February 28, 2017
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Halaven

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Halaven Injection




Side Effects
Interactions

SIDE EFFECTS

Clinical Trials Experience

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

The following adverse reactions are discussed in detail in other sections of the labeling:

In clinical trials, HALAVEN has been administered to 1963 patients including 467 patients exposed to HALAVEN for 6 months or longer. The majority of the 1963 patients were women (92%) with a median age of 55 years (range: 17 to 85 years). The racial and ethnic distribution was White (72%), Black (4%), Asian (9%), and other (3%).

Metastatic Breast Cancer

The most common adverse reactions ( ≥ 25%) reported in patients receiving HALAVEN were neutropenia, anemia, asthenia/fatigue, alopecia, peripheral neuropathy, nausea, and constipation. The most common serious adverse reactions reported in patients receiving HALAVEN were febrile neutropenia (4%) and neutropenia (2%). The most common adverse reaction resulting in discontinuation of HALAVEN was peripheral neuropathy (5%).

The adverse reactions described in Table 2 were identified in 750 patients treated in Study 1 [see Clinical Studies]. In Study 1, patients were randomized (2:1) to receive either HALAVEN (1.4 mg/m² on Days 1 and 8 of a 21-day cycle) or single agent treatment chosen by their physician (control group). A total of 503 patients received HALAVEN and 247 patients in the control group received therapy consisting of chemotherapy [total 97% (anthracyclines 10%, capecitabine 18%, gemcitabine 19%, taxanes 15%, vinorelbine 25%, other chemotherapies 10%)] or hormonal therapy (3%). The median duration of exposure was 118 days for patients receiving HALAVEN and 63 days for patients receiving control therapy. Table 2 reports the most common adverse reactions occurring in at least 10% of patients in either group.

Table 2: Adverse Reactionsa with a Per-Patient Incidence of at Least 10% in Study 1

Adverse Reactions HALAVEN
n=503
Control Group
n=247
All Grades ≥ Grade 3 All Grades ≥ Grade 3
Blood and lymphatic system disordersb
  Neutropenia 82% 57% 53% 23%
  Anemia 58% 2% 55% 4%
Nervous system disorders
  Peripheral neuropathyc 35% 8% 16% 2%
  Headache 19% < 1% 12% < 1%
General disorders
  Asthenia/Fatigue 54% 10% 40% 11%
  Pyrexia 21% < 1% 13% < 1%
  Mucosal inflammation 9% 1% 10% 2%
Gastrointestinal disorders
  Nausea 35% 1% 28% 3%
  Constipation 25% 1% 21% 1%
  Vomiting 18% 1% 18% 1%
  Diarrhea 18% 0 18% 0
Musculoskeletal and connective tissue disorders
  Arthralgia/Myalgia 22% < 1% 12% 1%
  Back pain 16% 1% 7% 2%
  Bone pain 12% 2% 9% 2%
  Pain in extremity 11% 1% 10% 1%
Metabolism and nutrition disorders
  Decreased weight 21% 1% 14% < 1%
  Anorexia 20% 1% 13% 1%
Respiratory, thoracic, and mediastinal disorders
  Dyspnea 16% 4% 13% 4%
  Cough 14% 0 9% 0
Skin and subcutaneous tissue disorders
  Alopecia 45% NAd 10% NAd
Infections 
  Urinary Tract Infection 10% 1% 5% 0
a adverse reactions were graded per National Cancer Institute Criteria for Adverse Events version 4.0.
b based upon laboratory data
c includes peripheral neuropathy, peripheral sensorimotor neuropathy, peripheral motor neuropathy, polyneuropathy, peripheral sensory neuropathy, and paraesthesia.
d not applicable; (grading system does not specify > Grade 2 for alopecia).

Cytopenias: Grade 3 neutropenia occurred in 28% (143/503) of patients who received HALAVEN in Study 1, and 29% (144/503) of patients experienced Grade 4 neutropenia. Febrile neutropenia occurred in 5% (23/503) of patients; two patients (0.4%) died from complications of febrile neutropenia. Dose reduction due to neutropenia was required in 12% (62/503) of patients and discontinuation was required in < 1% of patients. The mean time to nadir was 13 days and the mean time to recovery from severe neutropenia ( < 500/mm³>) was 8 days. Grade 3 or greater thrombocytopenia occurred in 1% (7/503) of patients. G-CSF (granulocyte colony-stimulating factor) or GM-CSF (granulocyte-macrophage colony-stimulating factor) was used in 19% of patients who received HALAVEN.

Peripheral Neuropathy: In Study 1, 17 % of enrolled patients had Grade 1 peripheral neuropathy and 3% of patients had Grade 2 peripheral neuropathy at baseline. Dose reduction due to peripheral neuropathy was required by 3% (14/503) of patients who received HALAVEN. Four percent (20/503) of patients experienced peripheral motor neuropathy of any grade and 2% (8/503) of patients developed Grade 3 peripheral motor neuropathy.

Liver Function Test Abnormalities: Among patients with Grade 0 or 1 ALT levels at baseline, 18% of HALAVEN-treated patients experienced Grade 2 or greater ALT elevation. One HALAVEN-treated patient without documented liver metastases had concomitant Grade 2 elevations in bilirubin and ALT; these abnormalities resolved and did not recur with re-exposure to HALAVEN.

Less Common Adverse Reactions: The following additional adverse reactions were reported in ≥ 5% to < 10% of the HALAVEN-treated group:

  • Eye Disorders: increased lacrimation
  • Gastrointestinal Disorders: dyspepsia, abdominal pain, stomatitis, dry mouth
  • General Disorders and Administration Site Conditions: peripheral edema
  • Infections and Infestations: upper respiratory tract infection
  • Metabolism and Nutrition Disorders: hypokalemia
  • Musculoskeletal and Connective Tissue Disorders: muscle spasms, muscular weakness
  • Nervous System Disorders: dysgeusia, dizziness
  • Psychiatric Disorders: insomnia, depression
  • Skin and Subcutaneous Tissue Disorders: rash
Liposarcoma

The safety of HALAVEN was evaluated in Study 2, an open-label, randomized, multicenter, active-controlled trial, in which patients were randomized (1:1) to receive either HALAVEN 1.4 mg/m² on Days 1 and 8 of a 21-day cycle or dacarbazine at doses of 850 mg/m² (20%), 1000 mg/m² (64%), or 1200 mg/m² (16%) every 3 weeks. A total of 223 patients received HALAVEN and 221 patients received dacarbazine. Patients were required to have received at least two prior systemic chemotherapy regimens. The trial excluded patients with pre-existing ≥ Grade 3 peripheral neuropathy, known central nervous system metastasis, elevated serum bilirubin or significant chronic liver disease, history of myocardial infarction within 6 months, history of New York Heart Association Class II or IV heart failure, or cardiac arrhythmia requiring treatment. The median age of the safety population in Study 2 was 56

years (range: 24 to 83 years); 67% female; 73% White, 3% Black or African American, 8% Asian/Pacific Islander, and 15% unknown; 99% received prior anthracycline-containing regimen; and 99% received ≥ 2 prior regimens. The median duration of exposure was 2.3 months (range: 21 days to 26 months) for patients receiving HALAVEN [see Clinical Studies].

The most common adverse reactions ( ≥ 25%) reported in patients receiving HALAVEN were fatigue, nausea, alopecia, constipation, peripheral neuropathy, abdominal pain, and pyrexia. The most common ( ≥ 5%) Grade 3-4 laboratory abnormalities reported in patients receiving HALAVEN were neutropenia, hypokalemia, and hypocalcemia. The most common serious adverse reactions reported in patients receiving HALAVEN were neutropenia (4.9 %) and pyrexia (4.5%). Permanent discontinuation of HALAVEN for adverse reactions occurred in 8% of patients. The most common adverse reactions resulting in discontinuation of HALAVEN were fatigue and thrombocytopenia (0.9% each). Twenty-six percent of patients required at least one dose reduction. The most frequent adverse reactions that led to dose reduction were neutropenia (18%) and peripheral neuropathy (4.0%).

Table 3 summarizes the incidence of adverse reactions occurring in at least 10% of patients in the HALAVEN-treated arm in Study 2.

Table 3: Adverse Reactionsa Occurring in ≥ 10% (all Grades) of Patients Treated on the HALAVEN arm and at a Higher Incidence than in the Dacarbazine Arm (Between Arm Difference of ≥ 5% for All Grades or ≥ 2% for Grades 3 and 4) (Study 2)b

Adverse Reaction HALAVEN
n=223
Dacarbazine
n=221
All Grades Grades 3-4 All Grades Grades 3-4
Nervous system disorders
Peripheral Neuropathyc 29% 3.1% 8% 0.5%
Headache 18% 0% 10% 0%
General disorders
Pyrexia 28% 0.9% 14% 0.5%
Gastrointestinal disorders
Constipation 32% 0.9% 26% 0.5%
Abdominal paind 29% 1.8% 23% 4.1%
Stomatitis 14% 0.9% 5% 0.5%
Skin and subcutaneous tissue disorders
Alopecia 35% NAe 2.7% NAe
Infections
Urinary tract infection 11% 2.2% 5% 0.5%
a Adverse reactions were graded per National Cancer Institute Criteria for Adverse Events version 4.03 (NCI CTCAE v4.03).
b Safety data from one study site enrolling six patients were excluded.
cIncludes peripheral neuropathy, peripheral sensorimotor neuropathy, peripheral motor neuropathy, polyneuropathy, peripheral sensory neuropathy, and paraesthesia
d Includes abdominal pain, upper abdominal pain, lower abdominal pain, abdominal discomfort
e Not applicable; (grading system does not specify > Grade 2 for alopecia)

Other clinically important adverse reactions occurring in ≥ 10% of the HALAVEN-treated patients were:

  • Gastrointestinal Disorders: nausea (41%); vomiting (19%), diarrhea (17%)
  • General Disorders: asthenia/fatigue (62%); peripheral edema (12%)
  • Metabolism and Nutrition Disorders: decreased appetite (19%)
  • Musculoskeletal and Connective Tissue Disorders: arthralgia/myalgia (16%); back pain (16%)
  • Respiratory Disorders: cough (18%)

Less Common Adverse Reactions: The following additional clinically important adverse reactions were reported in ≥ 5% to < 10% of the HALAVEN-treated group:

  • Blood and Lymphatic System Disorders: thrombocytopenia
  • Eye Disorders: increased lacrimation
  • Gastrointestinal Disorders: dyspepsia
  • Metabolism and Nutrition Disorders: hyperglycemia
  • Musculoskeletal and Connective Tissue Disorders: muscle spasms, musculoskeletal pain
  • Nervous System Disorders: dizziness, dysgeusia
  • Psychiatric Disorders: insomnia, anxiety
  • Respiratory, Thoracic, and Mediastinal Disorders: oropharyngeal pain
  • Vascular Disorders: hypotension

Table 4: Laboratory Abnormalities Occurring in ≥ 10% (all Grades) of Patients Treated on the HALAVEN arm and at a Higher Incidence than in the Dacarbazine Arm (Between Arm Difference of ≥ 5% forAll Grades or ≥ 2% for Grades 3 and 4)a (Study 2)†

Laboratory Abnormality Halaven Dacarbazine
All Grades Grades 3 - 4 All Grades Grades 3 - 4
Hematology
Anemia 70% 4.1% 52% 6%
Neutropenia 63% 32% 30% 8.9%
Chemistry
Increased alanine aminotransferase (ALT) 43% 2.3% 28% 2.3%
Increased aspartate aminotransferase (AST) 36% 0.9% 16% 0.5%
Hypokalemia 30% 5.4% 14% 2.8%
Hypocalcemia 28% 5% 18% 1.4%
Hypophosphatemia 20% 3.2% 11% 1.4%
aEach test incidence is based on the number of patients who had both baseline and at least one on-study measurement and at least 1 grade increase from baseline.Halaven group (range 221-222) and dacarbazine group (range 214-215)
†Laboratory results were graded per NCI CTCAE v4.03.

Postmarketing Experience

The following adverse drug reactions have been identified during post-approval of HALAVEN. 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.

  • Blood and Lymphatic System Disorders: lymphopenia
  • Gastrointestinal Disorders: pancreatitis
  • Hepatobiliary Disorders: hepatotoxicity
  • Immune System Disorders: drug hypersensitivity
  • Infections and Infestations: pneumonia, sepsis/neutropenic sepsis
  • Metabolism and Nutrition Disorders: hypomagnesemia, dehydration
  • Respiratory, thoracic and mediastinal disorders: interstitial lung disease
  • Skin and Subcutaneous Tissue Disorders: pruritus, Stevens-Johnson syndrome, toxic epidermal necrolysis

Read the Halaven Injection (eribulin mesylate) Side Effects Center for a complete guide to possible side effects

DRUG INTERACTIONS

Effects Of Other Drugs On HALAVEN

No drug-drug interactions are expected with CYP3A4 inhibitors, CYP3A4 inducers or P-glycoprotein (P-gp) inhibitors. Clinically meaningful differences in exposure (AUC) were not observed in patients with advanced solid tumors when HALAVEN was administered with or without ketoconazole (a strong inhibitor of CYP3A4 and a P-gp inhibitor) and when HALAVEN was administered with or without rifampin (a CYP3A4 inducer) [see CLINICAL PHARMACOLOGY].

Effect Of HALAVEN On Other Drugs

Eribulin does not inhibit CYP1A2, CYP2C9, CYP2C19, CYP2D6, CYP2E1 or CYP3A4 enzymes or induce CYP1A2, CYP2C9, CYP2C19 or CYP3A4 enzymes at relevant clinical concentrations. Eribulin is not expected to alter the plasma concentrations of drugs that are substrates of these enzymes [see CLINICAL PHARMACOLOGY].

Read the Halaven Injection Drug Interactions Center for a complete guide to possible interactions

This monograph has been modified to include the generic and brand name in many instances.

Last reviewed on RxList: 11/8/2016

Side Effects
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