Cabometyx

Last updated on RxList: 2/4/2021
Drug Description

What is CABOMETYX and how is it used?

CABOMETYX is a prescription medicine used to treat people with:

It is not known if CABOMETYX is safe and effective in children.

What are the possible side effects of CABOMETYX?

CABOMETYX may cause serious side effects, including:

  • bleeding (hemorrhage). CABOMETYX can cause severe bleeding that may lead to death. Tell your healthcare provider right away if you get any signs of bleeding during treatment with CABOMETYX, including:
    • coughing up blood or blood clots o red or black (looks like tar) stools
    • vomiting blood or if your vomit looks like coffee-grounds
    • menstrual bleeding that is heavier than normal
    • any unusual or heavy bleeding
  • a tear in your stomach or intestinal wall (perforation) or an abnormal connection between 2parts of your body (fistula). Tell your healthcare provider right away if you get tenderness or pain in your stomach-area (abdomen).
  • blood clots, stroke, heart attack, and chest pain. Get emergency help right away if you get:
    • swelling or pain in your arms or legs
    • shortness of breath
    • feel lightheaded or faint
    • sweating more than usual
    • numbness or weakness of your face, arm or leg, especially on one side of your body
    • sudden confusion, trouble speaking or understanding
    • sudden trouble seeing in one or both eyes
    • sudden trouble walking
    • dizziness, loss of balance or coordination
    • a sudden severe headache
  • high blood pressure (hypertension). Hypertension is common with CABOMETYX and sometimes can be severe. Your healthcare provider will check your blood pressure before starting CABOMETYX and during treatment with CABOMETYX. If needed, your healthcare provider may prescribe medicine to treat your high blood pressure.
  • diarrhea. Diarrhea is common with CABOMETYX and can be severe. If needed, your healthcare provider may prescribe medicine to treat your diarrhea. Tell your healthcare provider right away, if you have frequent loose, watery bowel movements.
  • a skin problem called hand-foot skin reaction. Hand-foot skin reactions are common and can be severe. Tell your healthcare provider right away if you have rashes, redness, pain, swelling, or blisters on the palms of your hands or soles of your feet.
  • protein in your urine and possible kidney problems. Symptoms may include swelling in your hands, arms, legs, or feet.
  • severe jaw bone problems (osteonecrosis). Symptoms may include jaw pain, toothache, or sores on your gums. Your healthcare provider should examine your mouth before you start and during treatment with CABOMETYX. Tell your dentist that you are taking CABOMETYX. It is important for you to practice good mouth care during treatment with CABOMETYX.
  • wound healing problems. Wound healing problems have happened in some people who take CABOMETYX. Tell your healthcare provider if you plan to have any surgery before or during treatment with CABOMETYX.
    • You should stop taking CABOMETYX at least 3 weeks before planned surgery.
    • Your healthcare provider should tell you when you may start taking CABOMETYX again after surgery.
  • Reversible Posterior Leukoencephalopathy Syndrome (RPLS). A condition called reversible posterior leukoencephalopathy syndrome can happen during treatment with CABOMETYX. Tell your healthcare provider right away if you have headaches, seizures, confusion, changes in vision, or problems thinking.
  • CABOMETYX may cause fertility problems in females and males, which may affect your ability to have children. Talk to your healthcare provider if you have concerns about fertility.

Your healthcare provider may change your dose, temporarily stop, or permanently stop treatment with CABOMETYX if you have certain side effects.

The most common side effects of CABOMETYX include:

  • tiredness
  • decreased appetite
  • weight loss
  • nausea
  • vomiting
  • changes in certain blood tests

Tell your healthcare provider if you have any side effect that bothers you or that does not go away.

These are not all of the possible side effects of CABOMETYX. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

DESCRIPTION

CABOMETYX is the (S)-malate salt of cabozantinib, a kinase inhibitor. Cabozantinib (S)-malate is described chemically as N-(4-(6,7-dimethoxyquinolin-4-yloxy)phenyl)-N’-(4fluorophenyl) cyclopropane-1,1-dicarboxamide, (2S)-hydroxybutanedioate. The molecular formula is C28H24FN3O5·C4H6O5 and the molecular weight is 635.6 Daltons as malate salt. The chemical structure of cabozantinib (S)-malate salt is:

CABOMETYX® (cabozantinib) Structural Formula Illustration

Cabozantinib (S)-malate salt is a white to off-white solid that is practically insoluble in aqueous media.

CABOMETYX (cabozantinib) tablets for oral use are supplied as film-coated tablets containing 20 mg, 40 mg, or 60 mg of cabozantinib, which is equivalent to 25 mg, 51 mg, or 76 mg of cabozantinib (S)-malate, respectively. CABOMETYX also contains the following inactive ingredients: microcrystalline cellulose, lactose anhydrous, hydroxypropyl cellulose, croscarmellose sodium, colloidal silicon dioxide, and magnesium stearate.

The film coating contains hypromellose, titanium dioxide, triacetin, and iron oxide yellow.

Indications & Dosage

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INDICATIONS

Renal Cell Carcinoma

CABOMETYX is indicated for the treatment of patients with advanced renal cell carcinoma (RCC).

CABOMETYX, in combination with nivolumab, is indicated for the first-line treatment of patients with advanced RCC.

Hepatocellular Carcinoma

CABOMETYX is indicated for the treatment of patients with hepatocellular carcinoma (HCC) who have been previously treated with sorafenib.

DOSAGE AND ADMINISTRATION

Important Dosage Information

  • Stop treatment with CABOMETYX at least 3 weeks prior to scheduled surgery, including dental surgery [see WARNINGS AND PRECAUTIONS].
  • Do not substitute CABOMETYX tablets with cabozantinib capsules.
  • Do not administer CABOMETYX with food. Administer at least 1 hour before or at least 2 hours after eating [see CLINICAL PHARMACOLOGY].
  • Swallow CABOMETYX tablets whole. Do not crush CABOMETYX tablets.
  • Do not take a missed dose within 12 hours of the next dose.
  • Modify the dose for certain patients with hepatic impairment and for patients taking drugs known to strongly induce or inhibit CYP450 [see DOSAGE AND ADMINISTRATION].

Recommended Dosage For Renal Cell Carcinoma

The recommended dosage of CABOMETYX as a single agent is 60 mg once daily without food until the patient no longer experiences clinical benefit or experiences unacceptable toxicity.

The recommended dosage of CABOMETYX in combination with nivolumab is provided in the following table:

Table 1: Recommended Dosage of CABOMETYX in Combination with Nivolumab

Recommended DosageDuration of Therapy
CABOMETYX 40 mg once daily without fooduntil disease progression or unacceptable toxicity
Nivolumab 240 mg every 2 weeks (30-minute intravenous infusion) or 480 mg every 4 weeks (30-minute intravenous infusion)until disease progression or unacceptable toxicity for up to 2 years

Recommended Dosage For Hepatocellular Carcinoma

The recommended dosage of CABOMETYX is 60 mg once daily without food until disease progression or unacceptable toxicity.

Dosage Modifications For Adverse Reactions

Withhold CABOMETYX for:

  • Intolerable Grade 2 adverse reactions
  • Grade 3 or 4 adverse reactions
  • Osteonecrosis of the jaw

Upon resolution/improvement (i.e., return to baseline or resolution to Grade 1) of an adverse reaction, reduce the dose as follows:

Table 2: Recommended Dosage Reductions for CABOMETYX for Adverse Reactions

Recommended DosageFirst Dosage Reduction ToSecond Dosage Reduction To
CABOMETYX 60 mg daily40 mg daily20 mg daily*
CABOMETYX 40 mg daily in combination with nivolumab20 mg daily20 mg every other day*
* If previously receiving lowest dose, resume at same dose. If lowest dose not tolerated, discontinue CABOMETYX.

Permanently discontinue CABOMETYX for any of the following:

The following table represents dosage modifications that are different from those described above for CABOMETYX or in the Full Prescribing Information for the drug administered in combination:

Table 3: Recommended Specific Dosage Modifications for Hepatic Adverse Reactions for Combination

CABOMETYX in combination with nivolumabALT or AST >3 times ULN but ≤10 times ULN with concurrent total bilirubin <2 times ULNWithholda both CABOMETYX and nivolumab until adverse reactions recoverb to Grades 0 or 1
ALT or AST >10 times ULN or >3 times ULN with concurrent total bilirubin ≥2 times ULNPermanently discontinue both CABOMETYX and nivolumab
a Consider corticosteroid therapy for hepatic adverse reactions if CABOMETYX is withheld or discontinued when administered in combination with nivolumab
b After recovery, rechallenge with one or both of CABOMETYX and nivolumab may be considered. If rechallenging with nivolumab with or without CABOMETYX, refer to nivolumab Prescribing Information.

When administering CABOMETYX in combination with nivolumab for the treatment of advanced RCC, refer to the nivolumab prescribing information.

Dosage Modifications For Coadministration With Strong CYP3A4 Inhibitors

Reduce the daily CABOMETYX dose by 20 mg (for example, from 60 mg to 40 mg daily or from 40 mg to 20 mg daily). Resume the dose that was used prior to initiating the strong CYP3A4 inhibitor 2 to 3 days after discontinuation of the strong inhibitor [see DRUG INTERACTIONS, CLINICAL PHARMACOLOGY].

Dosage Modifications For Coadministration With Strong CYP3A4 Inducers

Increase the daily CABOMETYX dose by 20 mg (for example, from 60 mg to 80 mg daily or from 40 mg to 60 mg daily) as tolerated. Resume the dose that was used prior to initiating the strong CYP3A4 inducer 2 to 3 days after discontinuation of the strong inducer. Do not exceed a daily dose of 80 mg [see DRUG INTERACTIONS, CLINICAL PHARMACOLOGY].

Dosage Modifications For Patients With Moderate And Severe Hepatic Impairment

Reduce the starting dose of CABOMETYX to 40 mg once daily in patients with moderate hepatic impairment (Child-Pugh B). Avoid CABOMETYX in patients with severe hepatic impairment (Child-Pugh C) [see Use In Specific Populations, CLINICAL PHARMACOLOGY].

HOW SUPPLIED

Dosage Forms And Strengths

Tablets:

  • 60 mg: yellow film-coated, oval shaped with no score, and debossed with “XL” on one side and “60” on the other side.
  • 40 mg: yellow film-coated, triangle shaped with no score, and debossed with “XL” on one side and “40” on the other side.
  • 20 mg: yellow film-coated, round with no score, and debossed with “XL” on one side and “20” on the other side.

Storage And Handling

CABOMETYX tablets are supplied as follows:

60 mg tablets are yellow film-coated, oval shaped with no score, debossed with “XL” on one side and “60” on the other side of the tablet; available in bottles of 30 tablets: NDC 42388-023-26

40 mg tablets are yellow film-coated, triangle shaped with no score, debossed with “XL” on one side and “40” on the other side of the tablet; available in bottles of 30 tablets: NDC 42388-025-26

20 mg tablets are yellow film-coated, round shaped with no score, debossed with “XL” on one side and “20” on the other side of the tablet; available in bottles of 30 tablets: NDC 42388-024-26

Store CABOMETYX at 20°C to 25°C (68°F to 77°F); excursions are permitted from 15°C to 30°C (59°F to 86°F) [see USP Controlled Room Temperature].

Manufactured for : Exelixis, Inc. Alameda, CA 94502. Revised: Jan 2021

Side Effects

SIDE EFFECTS

The following clinically significant adverse reactions are discussed elsewhere in the labeling:

  • Hemorrhage [see WARNINGS AND PRECAUTIONS]
  • Perforations and Fistulas [see WARNINGS AND PRECAUTIONS]
  • Thrombotic Events [see WARNINGS AND PRECAUTIONS]
  • Hypertension and Hypertensive Crisis [see WARNINGS AND PRECAUTIONS]
  • Diarrhea [see WARNINGS AND PRECAUTIONS]
  • Palmar-plantar Erythrodysesthesia [see WARNINGS AND PRECAUTIONS]
  • Hepatotoxicity [see WARNINGS AND PRECAUTIONS]
  • Adrenal Insufficiency [see WARNINGS AND PRECAUTIONS]
  • Proteinuria [see WARNINGS AND PRECAUTIONS]
  • Osteonecrosis of the Jaw [see WARNINGS AND PRECAUTIONS]
  • Impaired Wound Healing [see WARNINGS AND PRECAUTIONS]
  • Reversible Posterior Leukoencephalopathy Syndrome [see WARNINGS AND PRECAUTIONS]

Clinical Trial Experience

The data described in the WARNINGS AND PRECAUTIONS section and below reflect exposure to CABOMETYX as a single agent in 409 patients with RCC enrolled in randomized, active-controlled trials (CABOSUN, METEOR) and 467 patients with HCC enrolled in a randomized, placebo-controlled trial (CELESTIAL), and in combination with nivolumab 240 mg/m² every 2 weeks in 320 patients with RCC enrolled in a randomized, active-controlled trial (CHECKMATE-9ER).

Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in practice.

Renal Cell Carcinoma

METEOR

The safety of CABOMETYX was evaluated in METEOR, a randomized, open-label trial in which 331 patients with advanced renal cell carcinoma received CABOMETYX 60 mg once daily and 322 patients received everolimus 10 mg once daily until disease progression or unacceptable toxicity. Patients on both arms who had disease progression could continue treatment at the discretion of the investigator [see Clinical Studies]. The median duration of treatment was 7.6 months (range 0.3 - 20.5) for patients receiving CABOMETYX and 4.4 months (range 0.21 - 18.9) for patients receiving everolimus.

Adverse reactions which occurred in ≥ 25% of CABOMETYX-treated patients, in order of decreasing frequency, were: diarrhea, fatigue, nausea, decreased appetite, palmar-plantar erythrodysesthesia (PPE), hypertension, vomiting, weight decreased, and constipation. Grade 3-4 adverse reactions and laboratory abnormalities which occurred in ≥ 5% of patients were hypertension, diarrhea, fatigue, PPE, hyponatremia, hypophosphatemia, hypomagnesemia, lymphopenia, anemia, hypokalemia, and increased GGT.

The dose was reduced in 60% of patients receiving CABOMETYX and in 24% of patients receiving everolimus. Twenty percent (20%) of patients received CABOMETYX 20 mg once daily as their lowest dose. The most frequent adverse reactions leading to dose reduction in patients treated with CABOMETYX were: diarrhea, PPE, fatigue, and hypertension. Adverse reactions leading to dose interruption occurred in 70% patients receiving CABOMETYX and in 59% patients receiving everolimus. Adverse reactions led to study treatment discontinuation in 10% of patients receiving CABOMETYX and in 10% of patients receiving everolimus. The most frequent adverse reactions leading to permanent discontinuation in patients treated with CABOMETYX were decreased appetite (2%) and fatigue (1%).

Table 4: Adverse Reactions Occurring in ≥ 10% Patients Who Received CABOMETYX in METEOR

Adverse ReactionCABOMETYX
(n=331) 1
Everolimus
(n=322)
All Grades2Grade 3-4All Grades2Grade 3-4
Percentage (%) of Patients
Gastrointestinal
Diarrhea7411282
Nausea50428<1
Vomiting32214<1
Stomatitis222242
Constipation25<119<1
Abdominal pain 3234132
Dyspepsia12<150
General
Fatigue569477
Mucosal inflammation19<1233
Asthenia194162
Metabolism and Nutrition
Decreased appetite46334<1
Skin and Subcutaneous Tissue
Palmar-plantar erythrodysesthesia4286<1
Rash 423<143<1
Dry skin110100
Vascular
Hypertension 5391683
Investigations
Weight decreased312120
Nervous System
Dysgeusia24090
Headache11<112<1
Dizziness11070
Endocrine
Hypothyroidism210<1<1
Respiratory, Thoracic, and Mediastinal
Dysphonia20<140
Dyspnea193294
Cough18<133<1
Blood and Lymphatic
Anemia1753816
Musculoskeletal and Connective Tissue
Pain in extremity1418<1
Muscle spasms13050
Arthralgia11<1141
Renal and Urinary
Proteinuria1229<1
1 One subject randomized to everolimus received cabozantinib.
2 National Cancer Institute (NCI) Common Terminology Criteria for Adverse Events (CTCAE) Version
3 Includes the following terms: abdominal pain, abdominal pain upper, and abdominal pain lower
4 Includes the following terms: rash, rash erythematous, rash follicular, rash macular, rash papular, rash pustular, rash vesicular, genital rash, intermittent leg rash, rash on scrotum and penis, rash maculopapular, rash pruritic, contact dermatitis, dermatitis acneiform
5 Includes the following terms: hypertension, blood pressure increased, hypertensive crisis, blood pressure fluctuation

Other clinically important adverse reactions (all grades) that were reported in <10% of patients treated with CABOMETYX included: wound complications (2%), convulsion (<1%), pancreatitis (<1%), osteonecrosis of the jaw (<1%), and hepatitis cholestatic (<1%).

Table 5: Laboratory Abnormalities Occurring in ≥ 25% Patients Who Received CABOMETYX in METEOR

Laboratory AbnormalityCABOMETYX
(n=331)
Everolimus
(n=322)
All GradesGrade 3-4All GradesGrade 3-4
Percentage (%) of Patients
Chemistry
Increased AST74340<1
Increased ALT68332<1
Increased creatinine58<1710
Increased triglycerides5347313
Hypophosphatemia488365
Hyperglycemia372598
Hypoalbuminemia36228<1
Increased ALP352291
Hypomagnesemia3174<1
Hyponatremia308266
Increased GGT275439
Hematology
Leukopenia35<131<1
Neutropenia31217<1
Anemia13147117
Lymphopenia2573912
Thrombocytopenia25<127<1
ALP, alkaline phosphatase; ALT, alanine aminotransferase; AST, aspartate aminotransferase; GGT, gamma glutamyl transferase. NCI CTCAE, Version 4.0
1 Based on laboratory abnormalities

CABOSUN

The safety of CABOMETYX was evaluated in CABOSUN, a randomized, open-label trial in patients with advanced renal cell carcinoma, in which 78 patients received CABOMETYX 60 mg once daily and 72 patients received sunitinib 50 mg once daily (4 weeks on treatment followed by 2 weeks off), until disease progression or unacceptable toxicity [see Clinical Studies]. The median duration of treatment was 6.5 months (range 0.2 - 28.7) for patients receiving CABOMETYX and 3.1 months (range 0.2 - 25.5) for patients receiving sunitinib.

Within 30 days of treatment, there were 4 deaths in patients treated with CABOMETYX and 6 deaths in patients treated with sunitinib. Of the 4 patients treated with CABOMETYX, 2 patients died due to gastrointestinal perforation, 1 patient had acute renal failure, and 1 patient died due to clinical deterioration. All Grade 3-4 adverse reactions were collected in the entire safety population. The most frequent Grade 3-4 adverse reactions (≥5%) in patients treated with CABOMETYX were hypertension, diarrhea, hyponatremia, hypophosphatemia, PPE, fatigue, increased ALT, decreased appetite, stomatitis, pain, hypotension, and syncope.

The median average daily dose was 50.3 mg for CABOMETYX and 44.7 mg for sunitinib (excluding scheduled sunitinib non-dosing days). The dose was reduced in 46% of patients receiving CABOMETYX and in 35% of patients receiving sunitinib. The dose was held in 73% of patients receiving CABOMETYX and in 71% of patients receiving sunitinib. Based on patient disposition, 21% of patients receiving CABOMETYX and 22% of patients receiving sunitinib discontinued due to an adverse reaction.

Table 6: Grade 3-4 Adverse Reactions Occurring in ≥ 1% Patients Who Received CABOMETYX in CABOSUN

Adverse ReactionCABOMETYX
(n = 78)
Sunitinib
(n = 72)
Grade 3-41Grade 3-41
Percentage (%) of Patients
Patients with any Grade 3-4 Adverse Reaction6865
Gastrointestinal
Diarrhea1011
Stomatitis56
Nausea34
Vomiting13
Constipation10
General
Fatigue617
Pain50
Metabolism and Nutrition
Hyponatremia298
Hypophosphatemia297
Decreased appetite51
Dehydration41
Hypocalcemia230
Hypomagnesemia230
Hyperkalemia213
Skin and Subcutaneous Tissue
Palmar-plantar erythrodysesthesia84
Skin ulcer30
Vascular
Hypertension32821
Hypotension51
Angiopathy11
Investigations
Increased ALT250
Weight decreased40
Increased AST 233
Increased blood creatinine 233
Lymphopenia 216
Thrombocytopenia 2111
Nervous System
Syncope50
Respiratory, Thoracic, and Mediastinal
Dyspnea16
Dysphonia10
Blood and Lymphatic
Anemia13
Psychiatric
Depression40
Confusional state11
Infections
Lung infection40
Musculoskeletal and Connective Tissue
Back pain40
Bone pain31
Pain in extremity30
Arthralgia10
Renal and Urinary
Renal failure acute41
Proteinuria31
ALT, alanine aminotransferase; AST, aspartate aminotransferase
1 NCI CTCAE Version 4.0
2 Laboratory abnormalities are reported as adverse reactions and not based on shifts in laboratory values
3 Includes the following term: hypertension

CHECKMATE-9ER

The safety of CABOMETYX with nivolumab was evaluated in CHECKMATE-9ER, a randomized, open-label study in patients with previously untreated advanced RCC [see Clinical Studies]. Patients received CABOMETYX 40 mg orally once daily with nivolumab 240 mg over 30 minutes every 2 weeks (n=320) or sunitinib 50 mg daily, administered orally for 4 weeks on treatment followed by 2 weeks off (n=320) [see Clinical Studies]. CABOMETYX could be interrupted or reduced to 20 mg daily or 20 mg every other day. The median duration of treatment was 14 months (range: 0.2 to 27 months) in CABOMETYX and nivolumab-treated patients. In this trial, 82% of patients in the CABOMETYX and nivolumab arm were exposed to treatment for >6 months and 60% of patients were exposed to treatment for >1 year.

Serious adverse reactions occurred in 48% of patients receiving CABOMETYX and nivolumab. The most frequent (≥2%) serious adverse reactions were diarrhea, pneumonia, pneumonitis, pulmonary embolism, urinary tract infection, and hyponatremia. Fatal intestinal perforations occurred in 3 (0.9%) patients.

Adverse reactions leading to discontinuation of either CABOMETYX or nivolumab occurred in 20% of patients: 8% CABOMETYX only, 7% nivolumab only, and 6% both drugs due to the same adverse reaction at the same time. Adverse reactions leading to dose interruption or reduction of either CABOMETYX or nivolumab occurred in 83% of patients: 46% CABOMETYX only, 3% nivolumab only, and 21% both drugs due to the same adverse reaction at the same time, and 6% both drugs sequentially.

The most common adverse reactions reported in ≥20% of patients treated with CABOMETYX and nivolumab were diarrhea, fatigue, hepatotoxicity, PPE, stomatitis, rash, hypertension, hypothyroidism, musculoskeletal pain, decreased appetite, nausea, dysgeusia, abdominal pain, cough, and upper respiratory tract infection.

Table 7: Adverse Reactions in >15% of Patients Receiving CABOMETYX and Nivolumab -CHECKMATE-9ER

Adverse ReactionCABOMETYX and Nivolumab
(n=320)
Sunitinib
(n=320)
Grades 1-4Grades 3-4Grades 1-4Grades 3-4
Percentage (%) of Patients
Gastrointestinal
Diarrhea647474.4
Nausea270.6310.3
Abdominal paina221.9150.3
Vomiting171.9210.3
Dyspepsiab150220.3
General
Fatiguec518508
Hepatobiliary
Hepatotoxicityd4411265
Skin and Subcutaneous Tissue
Palmar-plantar erythrodysesthesia408418
Stomatitise373.4464.4
Rashf363.1140
Pruritus190.34.40
Vascular
Hypertensiong36133914
Endocrine
Hypothyroidismh340.3300.3
Musculoskeletal and Connective Tissue
Musculoskeletal paini333.8293.1
Arthralgia180.390.3
Metabolism and Nutrition
Decreased appetite281.9201.3
Nervous System Disorders
Dysgeusia240220
Headache160120.6
Respiratory, Thoracic and Mediastinal
Coughj200.3170
Dysphonia170.33.40
Infections and Infestations
Upper respiratory tract infectionk200.380.3
Toxicity was graded per NCI CTCAE v4.
a Includes abdominal discomfort, abdominal pain lower, abdominal pain upper.
b Includes gastroesophageal reflux disease.
c Includes asthenia.
d Includes hepatotoxicity, ALT increased, AST increased, blood alkaline phosphatase increased, gamma-glutamyl transferase increased, autoimmune hepatitis, blood bilirubin increased, drug induced liver injury, hepatic enzyme increased, hepatitis, hyperbilirubinemia, liver function test increased, liver function test abnormal, transaminases increased, hepatic failure.
e Includes mucosal inflammation, aphthous ulcer, mouth ulceration.
f Includes dermatitis, dermatitis acneiform, dermatitis bullous, exfoliative rash, rash erythematous, rash follicular, rash macular, rash maculo-papular, rash papular, rash pruritic.
g Includes blood pressure increased, blood pressure systolic increased.
h Includes primary hypothyroidism.
i Includes back pain, bone pain, musculoskeletal chest pain, musculoskeletal discomfort, myalgia, neck pain, pain in extremity, spinal pain.
j Includes productive cough.
k Includes nasopharyngitis, pharyngitis, rhinitis.

Table 8: Laboratory Values Worsening from Baselinea Occurring in >20% of Patients Receiving CABOMETYX and Nivolumab -CHECKMATE-9ER

Laboratory AbnormalityCABOMETYX and NivolumabSunitinib
Grades 1-4Grades 3-4Grades 1-4Grades 3-4
Percentage (%) of Patients
Chemistry
Increased ALT799.8393.5
Increased AST777.9572.6
Hypophosphatemia69284810
Hypocalcemia541.9240.6
Hypomagnesemia471.3250.3
Hyperglycemia443.5441.7
Hyponatremia43113612
Increased lipase41143813
Increased amylase4110286
Increased alkaline phosphatase412.8371.6
Increased creatinine391.3420.6
Hyperkalemia354.7271
Hypoglycemia260.8140.4
Hematology
Lymphopenia426.64510
Thrombocytopenia410.3709.7
Anemia372.5614.8
Leukopenia370.3665.1
Neutropenia353.26712
a Each test incidence is based on the number of patients who had both baseline and at least one on-study laboratory measurement available: CABOMETYX and nivolumab group (range: 170 to 317 patients) and sunitinib group (range: 173 to 311 patients).

Hepatocellular Carcinoma

The safety of CABOMETYX was evaluated in CELESTIAL, a randomized, double-blind, placebo-controlled trial in which 704 patients with advanced hepatocellular carcinoma were randomized to receive CABOMETYX 60 mg orally once daily (n=467) or placebo (n=237) until disease progression or unacceptable toxicity [see Clinical Studies]. The median duration of treatment was 3.8 months (range 0.1 - 37.3) for patients receiving CABOMETYX and 2.0 months (range 0.0 - 27.2) for patients receiving placebo. The population exposed to CABOMETYX was 81% male, 56% White, and had a median age of 64 years.

Adverse reactions occurring in ≥ 25% of CABOMETYX-treated patients, in order of decreasing frequency were: diarrhea, decreased appetite, PPE, fatigue, nausea, hypertension, and vomiting. Grade 3-4 adverse reactions which occurred in ≥ 5% of patients were PPE, hypertension, fatigue, diarrhea, asthenia, and decreased appetite. There were 6 adverse reactions leading to death in patients receiving CABOMETYX (hepatic failure, hepatorenal syndrome, esophagobronchial fistula, portal vein thrombosis, pulmonary embolism, upper gastrointestinal hemorrhage).

The median average daily dose was 35.8 mg for CABOMETYX. The dose was reduced in 62% of patients receiving CABOMETYX; 33% of patients required a reduction to 20 mg daily. The most frequent adverse reactions or laboratory abnormalities leading to dose reduction of CABOMETYX were: PPE, diarrhea, fatigue, hypertension, and increased AST. Adverse reactions leading to dose interruption occurred in 84% patients receiving CABOMETYX. Adverse reactions leading to permanent discontinuation of CABOMETYX occurred in 16% of patients. The most frequent adverse reactions leading to permanent discontinuation of

CABOMETYX were PPE (2%), fatigue (2%), decreased appetite (1%), diarrhea (1%), and nausea (1%).

Table 9: Adverse Reactions Occurring in ≥ 5% of CABOMETYX-Treated Patients in CELESTIAL1

Adverse ReactionCABOMETYX
(n = 467)
Placebo
(n = 237)
All Grades2Grade 3-4All Grades2Grade 3-4
Percentage (%) of Patients
Gastrointestinal
Diarrhea5410192
Nausea312182
Vomiting26<1123
Stomatitis13220
Dyspepsia10030
General
Fatigue4510304
Asthenia22782
Mucosal inflammation1422<1
Metabolism and Nutrition
Decreased appetite48618<1
Skin and Subcutaneous Tissue
Palmar-plantar erythrodysesthesia461750
Rash32129<1
Vascular
Hypertension4301662
Investigations
Weight decreased17160
Nervous System
Dysgeusia12020
Endocrine
Hypothyroidism8<1<10
Respiratory, Thoracic, and Mediastinal
Dysphonia19120
Dyspnea12310<1
Musculoskeletal and Connective Tissue
Pain in extremity9<141
Muscle spasms8<120
1 Includes terms with a between-arm difference of ≥ 5% (all grades) or ≥ 2% (Grade 3-4)
2 NCI CTCAE Version 4.0
3 Includes the following terms: rash, rash erythematous, rash generalized, rash macular, rash maculopapular, rash papular, rash pruritic, rash pustular, rash vesicular, dermatitis, dermatitis acneiform, dermatitis contact, dermatitis diaper, dermatitis exfoliative, dermatitis infected
4 Includes the following terms: hypertension, blood pressure diastolic increased, blood pressure increased

Table 10: Laboratory Abnormalities Occurring in ≥ 5% of CABOMETYX-Treated Patients in CELESTIAL1

Laboratory AbnormalityCABOMETYX
N=467
Placebo
N=237
All GradesGrade 3-4All GradesGrade 3-4
Percentage of Patients
Chemistry
Increased LDH849292
Increased ALT7312376
Increased AST73244619
Hypoalbuminemia511321
Increased ALP438386
Hypophosphatemia25984
Hypokalemia23661
Hypomagnesemia22330
Increased amylase16292
Hypocalcemia8200
Hematology
Decreased platelets5410161
Neutropenia43781
Increased hemoglobin8010
1 Includes laboratory abnormalities with a between-arm difference of ≥ 5% (all grades) or ≥ 2% (Grade 3-4)
ALP, alkaline phosphatase; ALT, alanine aminotransferase; AST, aspartate aminotransferase; LDH, blood lactate dehydrogenase

Postmarketing Experience

The following adverse reactions have been identified during postapproval use of CABOMETYX. Because these reactions are reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or establish a causal relationship to drug exposure.

Vascular Disorders: Arterial (including aortic) aneurysms, dissections, and rupture

Drug Interactions

DRUG INTERACTIONS

Effects Of Other Drugs On CABOMETYX

Strong CYP3A4 Inhibitors

Coadministration of a cabozantinib capsule formulation with a strong CYP3A4 inhibitor increased the exposure of cabozantinib, which may increase the risk of exposure-related adverse reactions [see CLINICAL PHARMACOLOGY]. Avoid coadministration of CABOMETYX with strong CYP3A4 inhibitors. Reduce the dosage of CABOMETYX if coadministration with strong CYP3A4 inhibitors cannot be avoided [see DOSAGE AND ADMINISTRATION]. Avoid grapefruit or grapefruit juice which may also increase exposure of cabozantinib.

Strong CYP3A Inducers

Coadministration of a cabozantinib capsule formulation with a strong CYP3A4 inducer decreased the exposure of cabozantinib, which may reduce efficacy [see CLINICAL PHARMACOLOGY]. Avoid coadministration of CABOMETYX with strong CYP3A4 inducers. Increase the dosage of CABOMETYX if coadministration with strong CYP3A4 inducers cannot be avoided [see DOSAGE AND ADMINISTRATION]. Avoid St. John's wort which may also decrease exposure of cabozantinib.

Warnings & Precautions

WARNINGS

Included as part of the PRECAUTIONS section.

PRECAUTIONS

Hemorrhage

Severe and fatal hemorrhages occurred with CABOMETYX [see ADVERSE REACTIONS]. The incidence of Grade 3 to 5 hemorrhagic events was 5% in CABOMETYX-treated patients in RCC and HCC studies.

Discontinue CABOMETYX for Grade 3 or 4 hemorrhage [see DOSAGE AND ADMINISTRATION]. Do not administer CABOMETYX to patients who have a recent history of hemorrhage, including hemoptysis, hematemesis, or melena.

Perforations And Fistulas

Fistulas, including fatal cases, occurred in 1% of CABOMETYX-treated patients [see ADVERSE REACTIONS]. Gastrointestinal (GI) perforations, including fatal cases, occurred in 1% of CABOMETYX-treated patients.

Monitor patients for signs and symptoms of fistulas and perforations, including abscess and sepsis. Discontinue CABOMETYX in patients who experience a Grade 4 fistula or a GI perforation [see DOSAGE AND ADMINISTRATION].

Thrombotic Events

CABOMETYX increased the risk of thrombotic events [see ADVERSE REACTIONS]. Venous thromboembolism occurred in 7% (including 4% pulmonary embolism) and arterial thromboembolism occurred in 2% of CABOMETYX-treated patients. Fatal thrombotic events occurred in CABOMETYX-treated patients.

Discontinue CABOMETYX in patients who develop an acute myocardial infarction or serious arterial or venous thromboembolic events that require medical intervention [see DOSAGE AND ADMINISTRATION].

Hypertension And Hypertensive Crisis

CABOMETYX can cause hypertension, including hypertensive crisis [see ADVERSE REACTIONS]. Hypertension was reported in 36% (17% Grade 3 and <1% Grade 4) of CABOMETYX-treated patients.

Do not initiate CABOMETYX in patients with uncontrolled hypertension. Monitor blood pressure regularly during CABOMETYX treatment. Withhold CABOMETYX for hypertension that is not adequately controlled with medical management; when controlled, resume CABOMETYX at a reduced dose [see DOSAGE AND ADMINISTRATION]. Discontinue CABOMETYX for severe hypertension that cannot be controlled with anti-hypertensive therapy or for hypertensive crisis.

Diarrhea

Diarrhea occurred in 63% of patients treated with CABOMETYX. Grade 3 diarrhea occurred in 11% of patients treated with CABOMETYX [see ADVERSE REACTIONS].

Withhold CABOMETYX until improvement to Grade 1 and resume CABOMETYX at a reduced dose for intolerable Grade 2 diarrhea, Grade 3 diarrhea that cannot be managed with standard antidiarrheal treatments, or Grade 4 diarrhea [see DOSAGE AND ADMINISTRATION].

Palmar-Plantar Erythrodysesthesia

Palmar-plantar erythrodysesthesia (PPE) occurred in 44% of patients treated with CABOMETYX [see ADVERSE REACTIONS]. Grade 3 PPE occurred in 13% of patients treated with CABOMETYX.

Withhold CABOMETYX until improvement to Grade 1 and resume CABOMETYX at a reduced dose for intolerable Grade 2 PPE or Grade 3 PPE [see DOSAGE AND ADMINISTRATION].

Hepatotoxicity

CABOMETYX in combination with nivolumab can cause hepatic toxicity with higher frequencies of Grades 3 and 4 ALT and AST elevations compared to CABOMETYX alone.

Monitor liver enzymes before initiation of and periodically throughout treatment. Consider more frequent monitoring of liver enzymes as compared to when the drugs are administered as single agents. For elevated liver enzymes, interrupt CABOMETYX and nivolumab and consider administering corticosteroids [see DOSAGE AND ADMINISTRATION].

With the combination of CABOMETYX and nivolumab, Grades 3 and 4 increased ALT or AST were seen in 11% of patients [see ADVERSE REACTIONS]. ALT or AST > 3 times ULN (Grade ≥2) was reported in 83 patients, of whom 23 (28%) received systemic corticosteroids; ALT or AST resolved to Grades 0-1 in 74 (89%). Among the 44 patients with Grade ≥2 increased ALT or AST who were rechallenged with either CABOMETYX (n=9) or nivolumab (n=11) as a single agent or with both (n=24), recurrence of Grade ≥2 increased ALT or AST was observed in 2 patients receiving CABOMETYX, 2 patients receiving nivolumab, and 7 patients receiving both CABOMETYX and nivolumab.

Adrenal Insufficiency

CABOMETYX in combination with nivolumab can cause primary or secondary adrenal insufficiency. For Grade 2 or higher adrenal insufficiency, initiate symptomatic treatment, including hormone replacement as clinically indicated. Withhold CABOMETYX and/or nivolumab depending on severity.

Adrenal insufficiency occurred in 4.7% (15/320) of patients with RCC who received CABOMETYX with nivolumab, including Grade 3 (2.2%), and Grade 2 (1.9%) adverse reactions. Adrenal insufficiency led to permanent discontinuation of CABOMETYX and nivolumab in 0.9% and withholding of CABOMETYX and nivolumab in 2.8% of patients with RCC.

Approximately 80% (12/15) of patients with adrenal insufficiency received hormone replacement therapy, including systemic corticosteroids. Adrenal insufficiency resolved in 27% (n=4) of the 15 patients. Of the 9 patients in whom CABOMETYX with nivolumab was withheld for adrenal insufficiency, 6 reinstated treatment after symptom improvement; of these, all (n=6) received hormone replacement therapy and 2 had recurrence of adrenal insufficiency.

Proteinuria

Proteinuria was observed in 7% of patients receiving CABOMETYX [see ADVERSE REACTIONS].

Monitor urine protein regularly during CABOMETYX treatment. Discontinue CABOMETYX in patients who develop nephrotic syndrome [see DOSAGE AND ADMINISTRATION].

Osteonecrosis Of The Jaw

Osteonecrosis of the jaw (ONJ) occurred in <1% of patients treated with CABOMETYX [see ADVERSE REACTIONS].

ONJ can manifest as jaw pain, osteomyelitis, osteitis, bone erosion, tooth or periodontal infection, toothache, gingival ulceration or erosion, persistent jaw pain or slow healing of the mouth or jaw after dental surgery. Perform an oral examination prior to initiation of CABOMETYX and periodically during CABOMETYX. Advise patients regarding good oral hygiene practices. Withhold CABOMETYX for at least 3 weeks prior to scheduled dental surgery or invasive dental procedures, if possible. Withhold CABOMETYX for development of ONJ until complete resolution [see DOSAGE AND ADMINISTRATION].

Impaired Wound Healing

Wound complications occurred with CABOMETYX [see ADVERSE REACTIONS]. Withhold CABOMETYX for at least 3 weeks prior to elective surgery [see DOSAGE AND ADMINISTRATION]. Do not administer CABOMETYX for at least 2 weeks after major surgery and until adequate wound healing. The safety of resumption of CABOMETYX after resolution of wound healing complications has not been established.

Reversible Posterior Leukoencephalopathy Syndrome

Reversible Posterior Leukoencephalopathy Syndrome (RPLS), a syndrome of subcortical vasogenic edema diagnosed by characteristic finding on MRI, can occur with CABOMETYX. Perform an evaluation for RPLS in any patient presenting with seizures, headache, visual disturbances, confusion or altered mental function. Discontinue CABOMETYX in patients who develop RPLS [see DOSAGE AND ADMINISTRATION].

Embryo-Fetal Toxicity

Based on data from animal studies and its mechanism of action, CABOMETYX can cause fetal harm when administered to a pregnant woman. Cabozantinib administration to pregnant animals during organogenesis resulted in embryolethality at exposures below those occurring clinically at the recommended dose, and in increased incidences of skeletal variations in rats and visceral variations and malformations in rabbits.

Advise pregnant women of the potential risk to a fetus. Advise females of reproductive potential to use effective contraception during treatment with CABOMETYX and for 4 months after the last dose [see Use In Specific Populations, CLINICAL PHARMACOLOGY].

Patient Counseling Information

Advise the patient to read the FDA-approved patient labeling (PATIENT INFORMATION).

  • Hemorrhage: Instruct patients to contact their healthcare provider to seek immediate medical attention for signs or symptoms of unusual severe bleeding or hemorrhage [see WARNINGS AND PRECAUTIONS].
  • Perforations and fistulas: Advise patients that gastrointestinal disorders such as diarrhea, nausea, vomiting, and constipation may develop during CABOMETYX treatment and to seek immediate medical attention if they experience persistent or severe abdominal pain because cases of gastrointestinal perforation and fistula have been reported in patients taking CABOMETYX [see WARNINGS AND PRECAUTIONS].
  • Thrombotic events: Venous and arterial thrombotic events have been reported. Advise patients to report signs or symptoms of an arterial thrombosis. Venous thromboembolic events including pulmonary embolus have been reported. Advise patients to contact their health care provider if new onset of dyspnea, chest pain, or localized limb edema occurs [see WARNINGS AND PRECAUTIONS].
  • Hypertension and hypertensive crisis: Inform patients of the signs and symptoms of hypertension. Advise patients to undergo routine blood pressure monitoring and to contact their health care provider if blood pressure is elevated or if they experience signs or symptoms of hypertension [see WARNINGS AND PRECAUTIONS].
  • Diarrhea: Advise patients to notify their healthcare provider at the first signs of poorly formed or loose stool or an increased frequency of bowel movements [see WARNINGS AND PRECAUTIONS].
  • Palmar-plantar erythrodysesthesia: Advise patients to contact their healthcare provider for progressive or intolerable rash [see WARNINGS AND PRECAUTIONS].
  • Hepatotoxicity: Advise patients to contact their healthcare provider immediately for jaundice, severe nausea or vomiting, or easy bruising or bleeding [see WARNINGS AND PRECAUTIONS].
  • Adrenal insufficiency: Advise patients receiving with nivolumab to contact their healthcare provider immediately for signs or symptoms of adrenal insufficiency [see WARNINGS AND PRECAUTIONS].
  • Osteonecrosis of the jaw: Advise patients regarding good oral hygiene practices. Advise patients to immediately contact their healthcare provider for signs or symptoms associated with osteonecrosis of the jaw [see WARNINGS AND PRECAUTIONS].
  • Impaired wound healing: Advise patients that CABOMETYX may impair wound healing. Advise patients to inform their healthcare provider of any planned surgical procedure [see DOSAGE AND ADMINISTRATION, WARNINGS AND PRECAUTIONS].
  • Reversible posterior leukoencephalopathy syndrome: Advise patients to immediately contact their health care provider for new onset or worsening neurological function [see WARNINGS AND PRECAUTIONS].
  • Embryo-fetal toxicity:
    • Advise females of reproductive potential of the potential risk to a fetus. Advise females to inform their healthcare provider of a known or suspected pregnancy [see WARNINGS AND PRECAUTIONS, Use In Specific Populations].
      • Advise females of reproductive potential to use effective contraception during treatment with CABOMETYX and for 4 months after the final dose [Use In Specific Populations].
  • Lactation: Advise women not to breastfeed during treatment with CABOMETYX and for 4 months following the last dose [Use In Specific Populations].
  • Drug interactions: Advise patients to inform their healthcare provider of all prescription or nonprescription medications, vitamins or herbal products. Inform patients to avoid grapefruit, grapefruit juice, and St. John’s wort [see DRUG INTERACTIONS].
  • Important administration information
    • Instruct patients to take CABOMETYX at least 1 hour before or at least 2 hours after eating.

Nonclinical Toxicology

Carcinogenesis, Mutagenesis, Impairment Of Fertility

The carcinogenic potential of cabozantinib has been evaluated in two species: rasH2 transgenic mice and Sprague-Dawley rats. In the 2-year rat carcinogenicity study, once daily oral administration of cabozantinib resulted in a statistically significant increase in the incidence of malignant/complex malignant pheochromocytoma in combination with benign pheochromocytoma or in benign pheochromocytoma alone in male rats at a dose of 1 mg/kg (approximately 5 times the human exposure by AUC at the recommended 60 mg dose). Cabozantinib was not carcinogenic in a 26-week carcinogenicity study in rasH2 transgenic mice at a slightly higher exposure than the intended human therapeutic exposure.

Cabozantinib was not mutagenic in vitro in the bacterial reverse mutation (Ames) assay and was not clastogenic in both the in vitro cytogenetic assay using human lymphocytes or in the in vivo mouse micronucleus assay.

Based on nonclinical findings, male and female fertility may be impaired by treatment with CABOMETYX. In a fertility study in which cabozantinib was administered to male and female rats at doses of 1, 2.5, and 5 mg/kg/day, male fertility was significantly compromised at doses equal to or greater than 2.5 mg/kg/day (approximately 13-fold of human AUC at the recommended dose), with a decrease in sperm counts and reproductive organ weights. In females, fertility was significantly reduced at doses equal to or greater than 1 mg/kg/day (5-fold of human AUC at the recommended dose) with a significant decrease in the number of live embryos and a significant increase in pre-and post-implantation losses.

Observations of effects on reproductive tract tissues in general toxicology studies were supportive of effects noted in the dedicated fertility study and included hypospermia and absence of corpora lutea in male and female dogs in a 6-month repeat dose study at plasma exposures (AUC) approximately 0.5-fold (males) and <0.1-fold (females) of those expected in humans at the recommended dose. In addition, female rats administered 5 mg/kg/day for 14 days (approximately 9-fold of human AUC at the recommended dose) exhibited ovarian necrosis.

Use In Specific Populations

Pregnancy

Risk Summary

Based on findings from animal studies and its mechanism of action [see CLINICAL PHARMACOLOGY], CABOMETYX can cause fetal harm when administered to a pregnant woman. There are no available data in pregnant women to inform the drug-associated risk. In animal developmental and reproductive toxicology studies administration of cabozantinib to pregnant rats and rabbits during organogenesis resulted in embryofetal lethality and structural anomalies at exposures that were below those occurring clinically at the recommended dose (see Data). Advise pregnant women of the potential risk to a fetus.

In the U.S. general population, the estimated background risk of major birth defects and miscarriage in clinically recognized pregnancies is 2-4% and 15-20%, respectively.

Data

Animal Data

In an embryo-fetal development study in pregnant rats, daily oral administration of cabozantinib throughout organogenesis caused increased embryo-fetal lethality compared to controls at a dose of 0.03 mg/kg (approximately 0.12-fold of human area under the curve [AUC] at the recommended dose). Findings included delayed ossification and skeletal variations at a dose of 0.01 mg/kg/day (approximately 0.04-fold of human AUC at the recommended dose).

In pregnant rabbits, daily oral administration of cabozantinib throughout organogenesis resulted in findings of visceral malformations and variations including reduced spleen size and missing lung lobe at 3 mg/kg (approximately 1.1-fold of the human AUC at the recommended dose).

In a pre-and postnatal study in rats, cabozantinib was administered orally from gestation day 10 through postnatal day 20. Cabozantinib did not produce adverse maternal toxicity or affect pregnancy, parturition or lactation of female rats, and did not affect the survival, growth or postnatal development of the offspring at doses up to 0.3 mg/kg/day (0.05-fold of the maximum recommended clinical dose).

Lactation

Risk Summary

There is no information regarding the presence of cabozantinib or its metabolites in human milk, or their effects on the breastfed child or milk production. Because of the potential for serious adverse reactions in breastfed children, advise women not to breastfeed during treatment with CABOMETYX and for 4 months after the final dose.

Females And Males Of Reproductive Potential

Pregnancy Testing

Verify the pregnancy status of females of reproductive potential prior to initiating CABOMETYX [see Use In Specific Populations]. Contraception CABOMETYX can cause fetal harm when administered to a pregnant woman [see Use In Specific Populations].

Females

Advise females of reproductive potential to use effective contraception during treatment with CABOMETYX and for 4 months after the final dose.

Infertility

Females And Males

Based on findings in animals, CABOMETYX may impair fertility in females and males of reproductive potential [see Nonclinical Toxicology].

Pediatric Use

The safety and effectiveness of CABOMETYX in pediatric patients have not been established.

Juvenile Animal Toxicity Data

Juvenile rats were administered cabozantinib at doses of 1 or 2 mg/kg/day from Postnatal Day 12 (comparable to less than 2 years in humans) through Postnatal Day 35 or 70. Mortalities occurred at doses ≥1 mg/kg/day (approximately 0.16 times the clinical dose of 60 mg/day based on body surface area). Hypoactivity was observed at both doses tested on Postnatal Day 22. Targets were generally similar to those seen in adult animals, occurred at both doses, and included the kidney (nephropathy, glomerulonephritis), reproductive organs, gastrointestinal tract (cystic dilatation and hyperplasia in Brunner’s gland and inflammation of duodenum; and epithelial hyperplasia of colon and cecum), bone marrow (hypocellularity and lymphoid depletion), and liver. Tooth abnormalities and whitening as well as effects on bones including reduced bone mineral content and density, physeal hypertrophy, and decreased cortical bone also occurred at all dose levels. Recovery was not assessed at a dose of 2 mg/kg (approximately 0.32 times the clinical dose of 60 mg based on body surface area) due to high levels of mortality. At the low dose level, effects on bone parameters were partially resolved but effects on the kidney and epididymis/testis persisted after treatment ceased.

Geriatric Use

In CABOSUN and METEOR, 41% of 409 patients treated with CABOMETYX were age 65 years and older, and 8% were 75 years and older. In CELESTIAL, 49% of 467 patients treated with CABOMETYX were age 65 years and older, and 15% were 75 years and older.

No overall differences in safety or effectiveness were observed between these patients and younger patients.

Of the 320 patients randomized to CABOMETYX administered with nivolumab in CHECKMATE-9ER, 41% were 65 years or older and 9% were 75 years or older. No overall difference in safety was reported between elderly patients and younger patients.

Hepatic Impairment

Increased exposure to cabozantinib has been observed in patients with moderate (Child-Pugh B) hepatic impairment. Reduce the CABOMETYX dose in patients with moderate hepatic impairment. Avoid CABOMETYX in patients with severe hepatic impairment (Child-Pugh C), since it has not been studied in this population [see DOSAGE AND ADMINISTRATION, CLINICAL PHARMACOLOGY].

Renal Impairment

No dosage adjustment is recommended in patients with mild or moderate renal impairment. There is no experience with CABOMETYX in patients with severe renal impairment [see CLINICAL PHARMACOLOGY].

Overdosage & Contraindications

OVERDOSE

One case of overdosage was reported following administration of another formulation of cabozantinib; a patient inadvertently took twice the intended dose for 9 days. The patient suffered Grade 3 memory impairment, Grade 3 mental status changes, Grade 3 cognitive disturbance, Grade 2 weight loss, and Grade 1 increase in BUN. The extent of recovery was not documented.

CONTRAINDICATIONS

None.

Clinical Pharmacology

CLINICAL PHARMACOLOGY

Mechanism Of Action

In vitro biochemical and/or cellular assays have shown that cabozantinib inhibits the tyrosine kinase activity of MET, VEGFR-1, -2 and -3, AXL, RET, ROS1, TYRO3, MER, KIT, TRKB, FLT-3, and TIE-2. These receptor tyrosine kinases are involved in both normal cellular function and pathologic processes such as oncogenesis, metastasis, tumor angiogenesis, drug resistance, and maintenance of the tumor microenvironment.

Pharmacodynamics

The exposure-response or –safety relationship for cabozantinib is unknown.

Cardiac Electrophysiology

The effect of cabozantinib on QTc interval was evaluated in a randomized, double-blinded, placebo-controlled trial in patients with medullary thyroid cancer administered a cabozantinib capsule formulation. A mean increase in QTcF of 10 -15 ms was observed at 4 weeks after initiation. A concentration-QTc relationship could not be definitively established. Changes in cardiac wave form morphology or new rhythms were not observed. No patients in this study had a confirmed QTcF > 500 ms nor did any patients in METEOR, CABOSUN, CELESTIAL, or CHECKMATE-9ER.

Pharmacokinetics

Repeat daily dosing of a cabozantinib capsule formulation for 19 days resulted in 4-to 5-fold mean cabozantinib accumulation (based on AUC) compared to a single dose administration; steady state was achieved by Day 15.

Absorption

Median time to peak cabozantinib concentrations (Tmax) ranged from 3 to 4 hours post-dose. A 19% increase in the Cmax of CABOMETYX compared to a cabozantinib capsule formulation was observed following a single 140 mg dose. A less than 10% difference in the AUC was observed between CABOMETYX and a cabozantinib capsule formulation [see DOSAGE AND ADMINISTRATION].

Food Effect

Cabozantinib Cmax and AUC increased by 41% and 57%, respectively, following a high-fat meal relative to fasted conditions in healthy subjects administered a single oral dose of a cabozantinib capsule formulation.

Distribution

The oral volume of distribution (Vz/F) of cabozantinib is approximately 319 L. Cabozantinib is highly protein bound in human plasma (≥ 99.7%).

Elimination

The predicted terminal half-life is approximately 99 hours and the clearance (CL/F) at steady-state is estimated to be 2.2 L/hr.

Metabolism

Cabozantinib is a substrate of CYP3A4 in vitro.

Excretion

Approximately 81% of the total administered radioactivity was recovered within a 48-day collection period following a single dose of radiolabeled 14C-cabozantinib in healthy subjects. Approximately 54% was recovered in feces and 27% in urine. Unchanged cabozantinib accounted for 43% of the total radioactivity in feces and was not detectable in urine following a 72-hour collection.

Specific Populations

The following patient characteristics did not result in a clinically relevant difference in the pharmacokinetics of cabozantinib: age (32-86 years), sex, race (Whites and non-Whites), or mild to moderate renal impairment (eGFR ≥ 30 mL/min/1.73 m² as estimated by MDRD (modification of diet in renal disease equation)). The pharmacokinetics of cabozantinib is unknown in patients with eGFR < 29 mL/min/1.73m² as estimated by MDRD equation or requiring dialysis.

Patients With Hepatic Impairment

Based on a population pharmacokinetic analysis of cabozantinib in healthy subjects and patients with cancer, no clinically significant differences in the mean cabozantinib exposure were observed between subjects with normal liver function (total bilirubin and AST ≤ ULN) and those with mild hepatic impairment (total bilirubin ≤ ULN and AST > ULN or total bilirubin > 1 to 1.5x ULN and any AST value). In a dedicated pharmacokinetic study, cabozantinib exposure (AUC0-INF) increased by 63% in patients with moderate hepatic impairment (Child-Pugh B).

Patients with severe hepatic impairment have not been studied [see DOSAGE AND ADMINISTRATION, Use In Specific Populations].

Drug Interaction Studies

Clinical Studies

CYP3A4 Inhibitors

Administration of a strong CYP3A4 inhibitor, ketoconazole (400 mg daily for 27 days), with a cabozantinib capsule formulation to healthy subjects increased single-dose cabozantinib exposure (AUC0-INF) by 38%.

CYP3A4 Inducers

Administration of a strong CYP3A4 inducer, rifampin (600 mg daily for 31 days), with a cabozantinib capsule formulation to healthy subjects decreased single-dose cabozantinib exposure (AUC0-INF) by 77%.

CYP2C8 Substrates

No clinically-significant effect on single-dose rosiglitazone (a CYP2C8 substrate) exposure (Cmax and AUC) was observed when co-administered with a cabozantinib capsule formulation at steady-state concentrations.

Gastric Acid Reducing Agents

No clinically-significant effect on cabozantinib exposure (AUC) was observed following co-administration of the proton pump inhibitor (PPI) esomeprazole (40 mg daily for 6 days) with a single 100 mg dose of a cabozantinib capsule formulation to healthy subjects.

In vitro Studies

CYP Enzymes

Inhibition of CYP3A4 reduced the formation of the oxidative metabolite by > 80%. Inhibition of CYP2C9 had a minimal effect on cabozantinib metabolite formation (i.e., a <20% reduction). Inhibition of CYP1A2, CYP2A6, CYP2B6, CYP2C8, CYP2C19, CYP2D6 and CYP2E1 had no effect on cabozantinib metabolite formation.

Although cabozantinib is an inhibitor of CYP2C8 in vitro, a clinical study of this potential interaction concluded that concurrent use did not result in a clinically relevant effect on CYP2C8 substrate exposure. Given this finding, other less sensitive substrates of pathways affected by cabozantinib in vitro (i.e., CYP2C9, CYP2C19, and CYP3A4) were not evaluated in a clinical study, because, although a clinically relevant exposure effect cannot be ruled out, it is unlikely. Cabozantinib does not inhibit CYP1A2 and CYP2D6 isozymes in vitro.

Cabozantinib is an inducer of CYP1A1 mRNA; however, the clinical relevance of this finding is unknown. Cabozantinib does not induce CYP1A2, CYP2B6, CYP2C8, CYP2C9, CYP2C19 or CYP3A4.

Transporters

Cabozantinib is an inhibitor, but not a substrate, of P-gp transport activities and has the potential to increase concentrations of co-administered substrates of P-gp. The clinical relevance of this finding is unknown.

Cabozantinib is a substrate of MRP2 in vitro and MRP2 inhibitors have the potential to increase concentrations of cabozantinib. The clinical relevance of this finding is unknown.

Clinical Studies

Renal Cell Carcinoma

Previously Treated With Anti-angiogenic Therapy

The efficacy of CABOMETYX was evaluated in METEOR (NCT01865747), a randomized (1:1), open-label, multicenter trial of CABOMETYX versus everolimus conducted in patients with advanced RCC who had received at least 1 prior anti-angiogenic therapy. Patients had to have a Karnofsky Performance Score (KPS) ≥ 70%. Patients were stratified by the number of prior VEGFR tyrosine kinase inhibitors (TKIs) and Memorial Sloan Kettering Cancer Center (MSKCC) Risk Group.

Patients were randomized to receive CABOMETYX (N=330) 60 mg orally once daily or everolimus (N=328) 10 mg orally once daily. The majority of the patients were male (75%), with a median age of 62 years. Sixty-nine percent (69%) received only one prior anti-angiogenic therapy. Patient distribution by MSKCC risk groups was 46% favorable (0 risk factors), 42% intermediate (1 risk factor), and 13% poor (2 or 3 risk factors). Fifty-four percent (54%) of patients had 3 or more organs with metastatic disease, including lung (63%), lymph nodes (62%), liver (29%), and bone (22%).

The main efficacy outcome measure was progression-free survival (PFS) assessed by a blinded independent radiology review committee among the first 375 subjects randomized. Other efficacy endpoints were objective response rate (ORR) and overall survival (OS) in the Intent-to-Treat (ITT) population. Tumor assessments were conducted every 8 weeks for the first 12 months, then every 12 weeks thereafter. Patients received treatment until disease progression or experiencing unacceptable toxicity. Patients on both arms who had disease progression could continue treatment at the discretion of the investigator.

Statistically significant improvements in PFS, OS, and ORR were demonstrated for CABOMETYX compared to everolimus. Efficacy results are presented in Tables 11 and 12 and Figures 1 and 2.

Table 11: Efficacy Results in METEOR (First 375 Randomized)

EndpointCABOMETYX
N = 187
Everolimus
N = 188
Median PFS (95% CI), months7.4 (5.6, 9.1)3.8 (3.7, 5.4)
HR (95% CI), p-value10.58 (0.45, 0.74), p<0.0001
1 stratified log-rank test with prior VEGFR-targeting TKI therapy (1 vs 2 or more) and MSKCC prognostic criteria for previously treated patients with RCC (0 vs 1 vs 2 or 3) as stratification factors (per IVRS data)

Figure 1: Kaplan-Meier Curves of Progression-Free Survival in METEOR (First 375 Randomized)

Kaplan-Meier Curves of Progression-Free
Survival in METEOR  - Illustration

Table 12: Efficacy Results in METEOR (ITT)

EndpointCABOMETYX
N = 330
Everolimus
N = 328
Median OS (95% CI), months21.4 (18.7, NE)16.5 (14.7, 18.8)
HR (95% CI), p-value10.66 (0.53, 0.83), p=0.0003
Confirmed ORR (partial responses only) (95% CI)17% (13%, 22%)3% (2%, 6%)
p-value2p<0.0001
1 stratified log-rank test with prior VEGFR-targeting TKI therapy (1 vs 2 or more) and MSKCC prognostic criteria for previously treated patients with RCC (0 vs 1 vs 2 or 3) as stratification factors (per IVRS data)
2 chi-squared test

Figure 2: Kaplan-Meier Curve of Overall Survival in METEOR (ITT)

 Kaplan-Meier Curve of Overall Survival in
METEOR - Illustration

First-line Treatment

CABOSUN

The efficacy of CABOMETYX was evaluated in CABOSUN (NCT01835158), a randomized (1:1), open-label, multicenter trial of CABOMETYX versus sunitinib conducted in patients with advanced RCC who had not received prior therapy. Patients were randomized to receive CABOMETYX (N=79) 60 mg orally once daily or sunitinib (N=78) 50 mg orally once daily (4 weeks on treatment followed by 2 weeks off) until disease progression or unacceptable toxicity. All patients were required to have intermediate or poor risk disease as defined by the International Metastatic RCC Database Consortium (IMDC) risk group categories. Patients were stratified by IMDC risk group and presence of bone metastases (yes/no).

The majority of patients were male (78%), with a median age of 63 years. Patient distribution by IMDC risk groups was 81% intermediate (1-2 risk factors) and 19% poor (≥3 risk factors). Thirty-six percent (36%) patients had bone metastases. Forty-six percent (46%) of patients were ECOG 0, 41% ECOG 1, and 13% ECOG 2.

The major efficacy outcome measure was progression-free survival (PFS) by a retrospective blinded independent radiology review committee (BIRC).

A statistically significant improvement in PFS, as assessed by a blinded independent radiology review committee, was demonstrated for CABOMETYX compared to sunitinib. Efficacy results are presented in Table 13, Figure 3, and Figure 4.

Table 13: Efficacy Results in CABOSUN

EndpointCABOMETYX
N = 79
Sunitinib
N = 78
Progression-Free Survival1
Events, n(%)43 (54)49 (63)
Median PFS (95% CI), months18.6 (6.8, 14.0)5.3 (3.0, 8.2)
Hazard Ratio2 (95% CI), p-value30.48 (0.31, 0.74), p=0.0008
Overall Survival
Events, n(%)43 (54)47 (60)
Hazard Ratio2,4 (95% CI)0.80 (0.53, 1.21)
Confirmed ORR, partial responses only (95% CI)1,420% (12.0, 30.8)9% (3.7, 17.6)
1 as assessed by a retrospective blinded independent radiology review committee (BIRC)
2 estimated from stratified Cox proportional hazards model with stratification factors IMDC risk group and presence of bone metastases and treatment as covariate
3 two-sided stratified log-rank test with stratification factors IMDC risk group and presence of bone metastases
4 no multiplicity adjustments were made for overall survival or ORR

Figure 3: Kaplan-Meier Curve of Progression-Free Survival in CABOSUN

Kaplan-Meier Curve of Progression-Free
Survival in CABOSUN - Illustration

Figure 4: Kaplan-Meier Curve of Overall Survival in CABOSUN

Kaplan-Meier Curve of Overall Survival in
CABOSUN - Illustration

CHECKMATE-9ER

CHECKMATE-9ER (NCT03141177) was a randomized, open-label study of CABOMETYX combined with nivolumab versus sunitinib in patients with previously untreated advanced RCC. CHECKMATE-9ER excluded patients with autoimmune disease or other medical conditions requiring systemic immunosuppression. Patients were stratified by IMDC prognostic score (favorable vs. intermediate vs. poor), PD-L1 tumor expression (≥1% vs. <1% or indeterminate), and region (US/Canada/Western Europe/Northern Europe vs. Rest of World).

Patients were randomized to CABOMETYX 40 mg orally daily and nivolumab 240 mg intravenously every 2 weeks (n=323), or sunitinib 50 mg orally daily for the first 4 weeks of a 6-week cycle (4 weeks on treatment followed by 2 weeks off) (n=328). Treatment continued until disease progression per RECIST v1.1 or unacceptable toxicity. Treatment beyond RECIST-defined disease progression was permitted if the patient was clinically stable and considered to be deriving clinical benefit by the investigator. Tumor assessments were performed at baseline, after randomization at Week 12, then every 6 weeks until Week 60, and then every 12 weeks thereafter.

The trial population characteristics were: median age 61 years (range: 28 to 90) with 38% ≥65 years of age and 10% ≥75 years of age. The majority of patients were male (74%) and White (82%) and 23% and 77% of patients had a baseline KPS of 70% to 80% and 90% to 100%, respectively. Patient distribution by IMDC risk categories was 22% favorable, 58% intermediate, and 20% poor.

The major efficacy outcome measure was PFS (BICR assessed). Additional efficacy outcome measures were OS and ORR (BICR assessed). The trial demonstrated a statistically significant improvement in PFS, OS, and ORR for patients randomized to CABOMETYX and nivolumab compared with sunitinib. Consistent results for PFS were observed across pre-specified subgroups of IMDC risk categories and PD-L1 tumor expression status. Efficacy results are shown in Table 14 and Figures 5 and 6.

Table 14: Efficacy Results in CHECKMATE-9ER

CABOMETYX and Nivolumab
(n=323)
Sunitinib
(n=328)
Progression-free Survival
Disease progression or deaths (%)144 (45)191 (58)
Median PFS (months)a (95% CI)16.6 (12.5, 24.9)8.3 (7.0, 9.7)
Hazard ratio (95% CI)b0.51 (0.41, 0.64)
p-valuec,d<0.0001
Overall Survival
Deaths (%)67 (21)99 (30)
Median OS (months)a (95% CI)NReNR (22.6, NRe)
Hazard ratio (98.89% CI)b0.60 (0.40, 0.89)
p-valuec,d,f0.0010
Confirmed Objective Response Rate (95% CI)g55.7% (50.1, 61.2)27.1% (22.4, 32.3)
p-valueh<0.0001
Complete Response (CR)26 (8%)15 (4.6%)
Partial Response (PR)154 (48%)74 (23%)
Median duration of response in months (95% CI)a20.2 (17.3, NRe)11.5 (8.3, 18.4)
a Based on Kaplan-Meier estimates.
b Stratified Cox proportional hazards model.
c Based on stratified log-rank test
d 2-sided p-values from stratified log-rank test.
e Not Reached
f p-value is compared with the allocated alpha of 0.0111 for this interim analysis.
g CI based on the Clopper and Pearson method.
h 2-sided p-value from Cochran-Mantel-Haenszel test.

Figure 5: Kaplan-Meier Curve of Progression-Free Survival in CHECKMATE-9ER

Kaplan-Meier Curve of Progression-Free
Survival in CHECKMATE-9ER - Illustration

Figure 6: Kaplan-Meier Curve of Overall Survival in CHECKMATE-9ER

Kaplan-Meier Curve of Overall Survival in
CHECKMATE-9ER - Illustration

Hepatocellular Carcinoma

The efficacy of CABOMETYX was evaluated in CELESTIAL (NCT01908426), a randomized (2:1), double-blind, placebo-controlled, multicenter trial in patients with hepatocellular carcinoma (HCC) who had previously received sorafenib and had Child Pugh Class A liver impairment. Patients were randomized to receive CABOMETYX 60 mg orally once daily or placebo until disease progression or unacceptable toxicity. Randomization was stratified by etiology of disease (hepatitis B virus [HBV] with or without hepatitis C virus [HCV] vs. HCV [without HBV] vs. other [without HBV and HCV]), geographic region (Asia vs. other regions), and presence of extrahepatic spread of disease and/or macrovascular invasion (yes vs. no). The primary efficacy outcome measure was overall survival (OS). Additional outcome measures were progression-free survival (PFS) and objective response rate (ORR), as assessed by investigators per RECIST 1.1. Tumor assessments were conducted every 8 weeks.

In CELESTIAL, a total of 707 patients were randomized, 470 to CABOMETYX and 237 to placebo. The median age was 64 years (range 22 to 86 years), 82% were male, 56% were White and 34% were Asian. Baseline ECOG performance status was 0 (53%) or 1 (47%). The etiology of HCC was attributed to HBV in 38% of patients and HCV in 21%; etiology was attributed to causes other than HBV or HCV in 40%. Macroscopic vascular invasion or extra-hepatic tumor spread was present in 78% of patients and 41% had alpha-fetoprotein (AFP) levels ≥ 400 mcg/L. All patients received prior sorafenib and 27% received two prior systemic therapy regimens.

Efficacy results are summarized in Table 15, Figure 7, and Figure 8.

Table 15: Efficacy Results from CELESTIAL

EndpointCABOMETYX
N = 470
Placebo
N = 237
Overall Survival
Number of Deaths, (%)317 (67)167 (70)
Median OS in Months (95% CI)10.2 (9.1, 12.0)8.0 (6.8, 9.4)
Hazard Ratio (95% CI)10.76 (0.63, 0.92)
p-value2p=0.00493
Progression-Free Survival
Number of Events, (%)349 (74)205 (86)
Progressive Disease284 (60)186 (78)
Death65 (14)19 (8)
Median PFS in Months (95% CI)5.2 (4.0, 5.5)1.9 (1.9, 1.9)
Hazard Ratio (95% CI)10.44 (0.36, 0.52)
p-value2p< 0.0001
Overall Response Rate (ORR)
Confirmed ORR (partial responses only) (95% CI)34% (2.3, 6.0)0.4% (0.0, 2.3)
p-value4p=0.0086
CI, confidence interval
1 estimated using the Cox proportional-hazard model
2 log-rank test stratified by etiology of disease (HBV [with or without HCV], HCV [without HBV], or Other), geographic region (Asia, Other Regions), and presence of extrahepatic spread of disease and/or macrovascular invasion (Yes, No) as stratification factors (per IVRS data)
3 significance level = 0.021 for 78% information (484 deaths) based on O’Brien-Fleming method
4 Fisher’s exact test

Figure 7: Kaplan-Meier Curve of Overall Survival in CELESTIAL

Kaplan-Meier Curve of Overall Survival in
CELESTIAL - Illustration

Figure 8: Kaplan-Meier Curve of Progression-Free Survival in CELESTIAL

Kaplan-Meier Curve of Progression-Free
Survival in CELESTIAL - Illustration

Medication Guide

PATIENT INFORMATION

CABOMETYX®
(Ka-boe-met-iks) cabozantinib tablets

If your healthcare provider prescribes CABOMETYX in combination with nivolumab, also read the Medication Guide that comes with nivolumab.

What is CABOMETYX?

CABOMETYX is a prescription medicine used to treat:

  • people with kidney cancer (renal cell carcinoma). CABOMETYX may be used:
    • alone to treat people with renal cell carcinoma (RCC) that has spread (advanced RCC).
    • in combination with nivolumab when your cancer has spread (advanced RCC), and you have not already had treatment for your advanced RCC.
  • people with liver cancer (hepatocellular carcinoma) who have been previously treated with the medicine sorafenib.

It is not known if CABOMETYX is safe and effective in children.

Before you take CABOMETYX, tell your healthcare provider about all of your medical conditions, including if you:

  • have had a liver problem other than liver cancer
  • have a recent history of bleeding, including coughing up or vomiting blood, or black tarry stools.
  • have an open or healing wound
  • have high blood pressure
  • plan to have any surgery, dental procedure, or have had a recent surgery. You should stop taking CABOMETYX at least 3 weeks before planned surgery. See “What are the possible side effects of CABOMETYX?”
  • are pregnant, or plan to become pregnant. CABOMETYX can harm your unborn baby.
    • If you are able to become pregnant, your healthcare provider will check your pregnancy status before you start treatment with CABOMETYX.
    • Females who are able to become pregnant should use effective birth control (contraception) during treatment and for 4 months after your final dose of CABOMETYX.
    • Talk to your healthcare provider about birth control methods that may be right for you.
    • If you become pregnant or think you are pregnant, tell your healthcare provider right away.
  • are breastfeeding or plan to breastfeed. It is not known if CABOMETYX passes into your breast milk. Do not breastfeed during treatment and for 4 months after your final dose of CABOMETYX.

Tell your healthcare provider about all the medicines you take, including prescription or over-thecounter medicines, vitamins, and herbal supplements. CABOMETYX and certain other medicines may affect each other causing side effects.

How should I take CABOMETYX?

  • Take CABOMETYX exactly as your healthcare provider tells you to take it.
  • Do not take CABOMETYX with food. Take CABOMETYX at least 1 hour before or at least 2 hours after eating.
  • Swallow CABOMETYX tablets whole.
  • Do not crush CABOMETYX tablets.
  • If you miss a dose and your next scheduled dose is in:
    • less than 12 hours, take your next dose at the normal time. Do not make up the missed dose.
    • 12 hours or more, take the missed dose as soon as you remember. Take your next dose at the normal time.

What should I avoid while taking CABOMETYX?

Avoid drinking grapefruit juice, eating grapefruit or taking supplements that contain grapefruit or St. John’s wort during treatment with CABOMETYX.

What are the possible side effects of CABOMETYX?

CABOMETYX may cause serious side effects, including:

  • bleeding (hemorrhage). CABOMETYX can cause severe bleeding that may lead to death. Tell your healthcare provider right away if you get any signs of bleeding during treatment with CABOMETYX, including:
    • coughing up blood or blood clots
    • red or black (looks like tar) stools
    • menstrual bleeding that is heavier than normal coffee-grounds
    • any unusual or heavy bleeding
    • vomiting blood or if your vomit looks like
  • a tear in your stomach or intestinal wall (perforation) or an abnormal connection between 2parts of your body (fistula). Tell your healthcare provider right away if you get tenderness or pain in your stomach-area (abdomen) that is severe or that does not go away.
  • blood clots, stroke, heart attack, and chest pain. Get emergency help right away if you get:
    • swelling or pain in your arms or legs
    • sudden confusion, trouble speaking or
    • shortness of breath understanding
    • feel lightheaded or faint
    • sudden trouble seeing in one or both eyes
    • sweating more than usual
    • sudden trouble walking
    • numbness or weakness of your face, arm or leg, especially on one side of your body
    • dizziness, loss of balance or coordination
    • a sudden severe headache
  • high blood pressure (hypertension). Hypertension is common with CABOMETYX and sometimes can be severe. Your healthcare provider will check your blood pressure before starting CABOMETYX and regularly during treatment with CABOMETYX. If needed, your healthcare provider may prescribe medicine to treat your high blood pressure. Tell your healthcare provider if you develop severe headaches, nose bleeds, tiredness or confusion, vision changes, chest pain, trouble breathing, irregular heartbeat, or blood in your urine.
  • diarrhea. Diarrhea is common with CABOMETYX and can be severe. If needed, your healthcare provider may prescribe medicine to treat your diarrhea. Tell your healthcare provider right away, if you have frequent loose, watery bowel movements.
  • a skin problem called hand-foot skin reaction. Hand-foot skin reactions are common and can be severe. Tell your healthcare provider right away if you have rashes, redness, pain, swelling, or blisters on the palms of your hands or soles of your feet.
  • liver problems. Liver problems may happen during treatment with CABOMETYX. When CABOMETYX is taken in combination with nivolumab, severe changes in liver function tests may happen more often than if you take CABOMETYX alone. Your healthcare provider will do blood tests to check your liver function before and during treatment with CABOMETYX. Tell your healthcare provider right away if you develop symptoms of liver problems including: yellowing of your skin or the whites of your eyes, severe nausea or vomiting, pain on the right side of your stomach-area (abdomen), dark urine, bleeding or bruising more easily than normal.
  • adrenal gland problems. Your healthcare provider will monitor you for this problem. Your healthcare provider may prescribe hormone replacement therapy or corticosteroid medicines if needed. Tell your healthcare provider right away if you develop any of the following signs or symptoms: extreme tiredness, dizziness or fainting, weakness, nausea, or vomiting.
  • protein in your urine and possible kidney problems. Symptoms may include swelling in your hands, arms, legs, or feet. Your healthcare provider will check you for this problem during treatment with CABOMETYX.
  • severe jaw bone problems (osteonecrosis). Your healthcare provider should examine your mouth before you start and during treatment with CABOMETYX. Tell your dentist that you are taking CABOMETYX. It is important for you to practice good mouth care during treatment with CABOMETYX. Tell your healthcare provider right away if you develop any symptoms of jaw problems, including: jaw pain, toothache, or sores on your gums.
  • wound healing problems. Wound healing problems have happened in some people who take CABOMETYX. Tell your healthcare provider if you plan to have any surgery before or during treatment with CABOMETYX.
    • You should stop taking CABOMETYX at least 3 weeks before planned surgery.
    • Your healthcare provider should tell you when you may start taking CABOMETYX again after surgery.
  • Reversible Posterior Leukoencephalopathy Syndrome (RPLS). A condition called reversible posterior leukoencephalopathy syndrome can happen during treatment with CABOMETYX. Tell your healthcare provider right away if you have headaches, seizures, confusion, changes in vision, or problems thinking.

Your healthcare provider may change your dose, temporarily stop, or permanently stop treatment with CABOMETYX if you have certain side effects.

The most common side effects of CABOMETYX include:

  • tiredness
  • decreased appetite
  • nausea
  • vomiting
  • weight loss
  • constipation
  • difficulty speaking

The most common side effects of CABOMETYX when used in combination with nivolumab include:

  • tiredness
  • mouth sores
  • rash
  • low thyroid hormone levels (hypothyroidism)
  • pain in muscles, bones, and joints
  • decreased appetite
  • nausea
  • changes in the way things taste
  • stomach-area (abdominal) pain
  • cough
  • upper respiratory tract infection

CABOMETYX may cause fertility problems in females and males, which may affect your ability to have children. Talk to your healthcare provider if you have concerns about fertility.

These are not all of the possible side effects of CABOMETYX. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

How should I store CABOMETYX?

  • Store CABOMETYX at room temperature between 68°F to 77°F (20°C to 25°C).

Keep CABOMETYX and all medicines out of the reach of children.

General information about the safe and effective use of CABOMETYX.

Medicines are sometimes prescribed for purposes other than those listed in a Patient Information leaflet. Do not use CABOMETYX for a condition for which it was not prescribed. Do not give CABOMETYX to other people, even if they have the same symptoms you have. It may harm them. You can ask your pharmacist or healthcare provider for information about CABOMETYX that is written for health professionals.

What are the ingredients in CABOMETYX?

Active ingredient: cabozantinib

Inactive ingredients: microcrystalline cellulose, lactose anhydrous, hydroxypropyl cellulose, croscarmellose sodium, colloidal silicon dioxide, and magnesium stearate. The film coating contains hypromellose, titanium dioxide, triacetin, and iron oxide yellow.

This Patient Information has been approved by the U.S. Food and Drug Administration.

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Report Problems to the Food and Drug Administration

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.

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