Selzentry

Last updated on RxList: 11/13/2020
Selzentry Side Effects Center

What Is Selzentry?

Selzentry (maraviroc) is an antiviral medication used together with other medications to treat CCR5-tropic human immunodeficiency virus (HIV) type 1. Selzentry is not a cure for HIV or AIDS.

What Are Side Effects of Selzentry?

Common side effects of Selzentry include stomach pain, diarrhea, constipation, tiredness, lightheadedness or dizziness while standing, cold symptoms (stuffy nose, sneezing, cough, sore throat), sleep problems (insomnia), swelling, problems with urination, muscle or joint pain, or skin rash.

Dosage for Selzentry

The recommended dose of Selzentry differs based on other medications taken at the same time due to drug interactions. Selzentry must be given in combination with other antiretroviral medications.

What Drugs, Substances, or Supplements Interact with Selzentry?

Selzentry may interact with conivaptan, imatinib, isoniazid, nefazodone, rifampin, St. John's wort, seizure medications, antibiotics, antifungals, heart or blood pressure medications, or HIV/AIDS medicines. Tell your doctor all medications and supplements you use.

Selzentry During Pregnancy and Breastfeeding

Tell your doctor if you are pregnant before using Selzentry. It is unknown if this medication passes into breast milk. Because breast milk can transmit HIV, do not breastfeed.

Additional Information

Our Selzentry (maraviroc) Side Effects Drug Center provides a comprehensive view of available drug information on the potential side effects when taking this medication.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

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Selzentry Consumer Information

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Get emergency medical help if you have signs of an allergic reaction (hives, difficult breathing, swelling in your face or throat) or a severe skin reaction (fever, sore throat, burning in your eyes, skin pain, red or purple skin rash that spreads and causes blistering and peeling).

Stop taking maraviroc and seek medical treatment at once if you have a serious drug reaction that can affect many parts of your body (especially your liver). Symptoms may include: itching or rash, fever, swollen glands, muscle or joint aches, severe weakness, unusual bruising, upper stomach pain, vomiting, dark urine, or jaundice (yellowing of the skin or eyes).

Call your doctor at once if you have a side effect such as:

  • a light-headed feeling, like you might pass out; or
  • chest pressure, tight feeling in your neck or jaw, sweating, pain spreading to your arm or shoulder.

Maraviroc affects your immune system, which may cause certain side effects (even weeks or months after you've taken this medicine). Tell your doctor if you have:

  • signs of a new infection--fever, night sweats, swollen glands, cold sores, cough, wheezing, diarrhea, weight loss;
  • trouble speaking or swallowing, problems with balance or eye movement, weakness or prickly feeling; or
  • swelling in your neck or throat (enlarged thyroid), menstrual changes, impotence.

Common side effects may include:

  • fever, cold symptoms, cough;
  • indigestion, gas, bloating, nausea, vomiting, diarrhea, constipation;
  • rash;
  • dizziness; or
  • (in newborns) abnormal blood tests.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Read the entire detailed patient monograph for Selzentry (Maraviroc)

SLIDESHOW

A Timeline of the HIV/AIDS Pandemic See Slideshow
Selzentry Professional Information

SIDE EFFECTS

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

  • Hepatotoxicity [see BOXED WARNING, WARNINGS AND PRECAUTIONS]
  • Severe Skin and Hypersensitivity Reactions [see WARNINGS AND PRECAUTIONS]
  • Cardiovascular Events [see WARNINGS AND PRECAUTIONS]

Clinical Trials Experience

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

Clinical Trials Experience In Adult Subjects

Treatment-Experienced Subjects

The safety profile of SELZENTRY is primarily based on 840 HIV-1–infected subjects who received at least 1 dose of SELZENTRY during two Phase 3 trials. A total of 426 of these subjects received the indicated twice-daily dosing regimen.

Assessment of treatment-emergent adverse events is based on the pooled data from 2 trials in subjects with CCR5-tropic HIV-1 (A4001027 and A4001028). The median duration of therapy with SELZENTRY for subjects in these trials was 48 weeks, with the total exposure on SELZENTRY twice daily at 309 patient-years versus 111 patient-years on placebo each administered with optimized background therapy (OBT). The population was 89% male and 84% white, with mean age of 46 years (range: 17 to 75 years). Subjects received dose equivalents of 300 mg maraviroc once or twice daily.

The most common adverse events reported with twice-daily therapy with SELZENTRY with frequency rates higher than placebo, regardless of causality, were upper respiratory tract infections, cough, pyrexia, rash, and dizziness. In these 2 trials, the rate of discontinuation due to adverse events was 5% for subjects who received SELZENTRY twice daily + OBT as well as those who received placebo + OBT. Most of the adverse events reported were judged to be mild to moderate in severity. The data described below occurred with twice-daily dosing of SELZENTRY.

The total numbers of subjects reporting infections were 233 (55%) and 84 (40%) in the group receiving SELZENTRY twice daily and the placebo group, respectively. Correcting for the longer duration of exposure on SELZENTRY compared with placebo, the exposure-adjusted frequency (rate per 100 subject-years) of these events was 133 for both SELZENTRY twice daily and placebo.

Dizziness or postural dizziness occurred in 8% of subjects on either SELZENTRY or placebo, with 2 subjects (0.5%) on SELZENTRY permanently discontinuing therapy (1 due to syncope, 1 due to orthostatic hypotension) versus 1 subject on placebo (0.5%) permanently discontinuing therapy due to dizziness.

Treatment-emergent adverse events, regardless of causality, from Trials A4001027 and A4001028 are summarized in Table 5. Selected events occurring at greater than or equal to 2% of subjects and at a numerically higher rate in subjects treated with SELZENTRY are included; events that occurred at the same or higher rate on placebo are not displayed.

Table 5. Selected Treatment-Emergent Adverse Events (All Causality) ≥2% on SELZENTRY (and at a Higher Rate Compared with Placebo) in Trials A4001027 and A4001028 (Pooled Analysis, 48 Weeks)

Body System/ Adverse EventSELZENTRY
Twice Dailya
Placebo
(n = 426)
%
Exposure-Adjusted Rate
(per 100 pt-yrs)
PYE = 309b
(n = 209)
%
Exposure-Adjusted Rate
(per 100 pt-yrs)
PYE = 111b
Eye Disorders
Conjunctivitis2313
Ocular infections, inflammations, and associated manifestations2312
Gastrointestinal Disorders
Constipation6936
General Disorders and Administration Site Conditions
Pyrexia1320917
Pain and discomfort4535
Infections and Infestations
Upper respiratory tract infection23371327
Herpes infection81148
Sinusitis71036
Bronchitis7959
Folliculitis4524
Anogenital warts2313
Influenza230.51
Otitis media230.51
Metabolism and Nutrition Disorders
Appetite disorders811713
Musculoskeletal and Connective Tissue Disorders
Joint-related signs and symptoms71035
Muscle pains340.51
Neoplasms Benign, Malignant, and Unspecified
Skin neoplasms benign3413
Nervous System Disorders
Dizziness/postural dizziness913817
Paresthesias and dysesthesias5736
Sensory abnormalities4613
Disturbances in consciousness4536
Peripheral neuropathies4536
Psychiatric Disorders
Disturbances in initiating and maintaining sleep811510
Depressive disorders4635
Anxiety symptoms4537
Renal and Urinary Disorders
Bladder and urethral symptoms5713
Urinary tract signs and symptoms3413
Respiratory, Thoracic, and Mediastinal Disorders
Coughing and associated symptoms1421510
Upper respiratory tract signs and symptoms6936
Nasal congestion and inflammations4635
Breathing abnormalities4525
Paranasal sinus disorders340.51
Skin and Subcutaneous Tissue Disorders
Rash1116511
Apocrine and eccrine gland disorders5747.5
Pruritus4524
Lipodystrophies350.51
Erythema2312
Vascular Disorders
Vascular hypertensive disorders3424
a 300-mg dose equivalent.
b PYE = Patient-years of exposure.

Laboratory Abnormalities

Table 6 shows the treatment-emergent Grade 3-4 laboratory abnormalities that occurred in greater than 2% of subjects receiving SELZENTRY.

Table 6. Maximum Shift in Laboratory Test Values (without Regard to Baseline) ≥2% of Grade 3-4 Abnormalities (ACTG Criteria) in Trials A4001027 and A4001028 (Pooled Analysis, 48 Weeks)

Laboratory Parameter Preferred TermLimitSELZENTRY Twice Daily + OBT
(n = 421)a
%
Placebo + OBT
(n = 207)a
%
Aspartate aminotransferase>5.0 x ULN4.82.9
Alanine aminotransferase>5.0 x ULN2.63.4
Total bilirubin>2.5 x ULN5.55.3
Amylase>2.0 x ULN5.75.8
Lipase>2.0 x ULN4.96.3
Absolute neutrophil count<750/mm34.32.4
ULN = Upper limit of normal.
a Percentages based on total subjects evaluated for each laboratory parameter.

Treatment-Naive Subjects

Treatment-Emergent Adverse Events

Treatment-emergent adverse events, regardless of causality, from Trial A4001026, a double-blind, comparative, controlled trial in which 721 treatment-naive subjects received SELZENTRY 300 mg twice daily (n = 360) or efavirenz 600 mg once daily (n = 361) in combination with lamivudine/zidovudine (COMBIVIR) for 96 weeks, are summarized in Table 7. Selected events occurring in greater than or equal to 2% of subjects and at a numerically higher rate in subjects treated with SELZENTRY are included; events that occurred at the same or higher rate on efavirenz are not displayed.

Table 7. Selected Treatment-Emergent Adverse Events (All Causality) ≥2% on SELZENTRY (and at a Higher Rate Compared with Efavirenz) in Trial A4001026 (96 Weeks)

Body System/ Adverse EventSELZENTRY
300 mg Twice Daily + Lamivudine/ Zidovudine
(n = 360)
%
Efavirenz
600 mg Once Daily + Lamivudine/ Zidovudine
(n = 361)
%
Blood and Lymphatic System Disorders
Anemias NEC85
Neutropenias43
Ear and Labyrinth Disorders
Ear disorders NEC32
Gastrointestinal Disorders
Flatulence, bloating, and distention107
Gastrointestinal atonic and hypomotility disorders NEC95
Gastrointestinal signs and symptoms NEC32
General Disorders and Administration Site Conditions
Body temperature perception31
Infections and Infestations
Upper respiratory tract infection3230
Bronchitis139
Herpes infection76
Bacterial infections NEC63
Herpes zoster/varicella54
Tinea infections43
Lower respiratory tract and lung infections32
Neisseria infections30
Viral infections NEC32
Musculoskeletal and Connective Tissue Disorders
Joint-related signs and symptoms65
Nervous System Disorders
Paresthesias and dysesthesias43
Memory loss (excluding dementia)31
Renal and Urinary Disorders
Bladder and urethral symptoms43
Reproductive System and Breast Disorders
Erection and ejaculation conditions and disorders32
Respiratory, Thoracic, and Mediastinal Disorders
Upper respiratory tract signs and symptoms95
Skin and Subcutaneous Disorders
Nail and nail bed conditions (excluding infections and infestations)62
Lipodystrophies43
Acnes32
Alopecias21

Laboratory Abnormalities

Table 8. Maximum Shift in Laboratory Test Values (without Regard to Baseline) ≥2% of Grade 3-4 Abnormalities (ACTG Criteria) in Trial A4001026 (96 Weeks)

Laboratory Parameter
Preferred Term
LimitSELZENTRY
300 mg Twice Daily + Lamivudine/ Zidovudine
(n = 353)a %
Efavirenz
600 mg Once Daily+ Lamivudine/ Zidovudine
(n = 350)a
%
Aspartate aminotransferase>5.0 x ULN4.04.0
Alanine aminotransferase>5.0 x ULN3.94.0
Creatine kinase>10.0 x ULN3.94.8
Amylase>2.0 x ULN4.36.0
Absolute neutrophil count<750/mm35.74.9
Hemoglobin<7.0 g/dL2.92.3
ULN = Upper limit of normal.
a n = Total number of subjects evaluable for laboratory abnormalities.

Percentages based on total subjects evaluated for each laboratory parameter. If the same subject in a given treatment group had greater than 1 occurrence of the same abnormality, only the most severe is counted.

Less Common Adverse Events in Clinical Trials

The following adverse events occurred in less than 2% of subjects treated with SELZENTRY or at a rate similar to the comparator. These events have been included because of their seriousness and either increased frequency on SELZENTRY or are potential risks due to the mechanism of action. Events attributed to the subjects’ underlying HIV-1 infection are not listed.

Blood and Lymphatic System: Marrow depression and hypoplastic anemia.

Cardiac Disorders: Unstable angina, acute cardiac failure, coronary artery disease, coronary artery occlusion, myocardial infarction, myocardial ischemia.

Hepatobiliary Disorders: Hepatic cirrhosis, hepatic failure, cholestatic jaundice, portal vein thrombosis, jaundice.

Infections and Infestations: Endocarditis, infective myositis, viral meningitis, pneumonia, treponema infections, septic shock, Clostridium difficile colitis, meningitis.

Musculoskeletal and Connective Tissue Disorders: Myositis, osteonecrosis, rhabdomyolysis, blood CK increased.

Neoplasms Benign, Malignant, and Unspecified (Including Cysts and Polyps): Abdominal neoplasm, anal cancer, basal cell carcinoma, Bowen’s disease, cholangiocarcinoma, diffuse large B-cell lymphoma, lymphoma, metastases to liver, esophageal carcinoma, nasopharyngeal carcinoma, squamous cell carcinoma, squamous cell carcinoma of skin, tongue neoplasm (malignant stage unspecified), anaplastic large cell lymphomas T-and null-cell types, bile duct neoplasms malignant, endocrine neoplasms malignant and unspecified.

Nervous System Disorders: Cerebrovascular accident, convulsions and epilepsy, tremor (excluding congenital), facial palsy, hemianopia, loss of consciousness, visual field defect.

Clinical Trials Experience In Pediatric Subjects

HIV-1–Infected Pediatric Subjects

Trial A4001031 is an open-label trial in which 103 treatment-experienced, CCR5-tropic, HIV-1–infected pediatric subjects aged 2 to less than 18 years weighing at least 10 kg received SELZENTRY twice daily in combination with OBT. The dose of SELZENTRY was based on body surface area (BSA) and on whether the subject was receiving potent CYP3A inhibitors and/or inducers. The median duration of therapy with SELZENTRY was 131 weeks with 72% of subjects receiving study treatment for greater than 48 weeks and 62% of subjects receiving study treatment for 96 weeks.

In these 103 children and adolescents, the safety profile through 96 weeks was similar to that for adults. Most of the adverse reactions reported were mild to moderate; severe (Grade 3 and 4) adverse reactions occurred in 2% of subjects. The most common adverse reactions (all grades) reported with twice-daily therapy with SELZENTRY were vomiting (12%), abdominal pain (4%), diarrhea (4%), nausea (4%), and dizziness (3%). Three subjects (3%) discontinued due to adverse events.

Maraviroc-related gastrointestinal adverse events through 48 weeks (nausea, vomiting, diarrhea, constipation, and abdominal pain/cramps) were observed more commonly in subjects who received the SELZENTRY oral solution (21%) compared with those who received SELZENTRY tablets (16%). Subjects were permitted to change formulations after Week 48.

HIV-1–Exposed Neonates

The IMPAACT P2007 trial was an open-label trial in which 47 full-term HIV-1–exposed neonates (born to HIV-1–infected mothers) received at least one dose of SELZENTRY in combination with other antiretrovirals, mostly zidovudine and/or nevirapine [see CLINICAL PHARMACOLOGY]. Cohort 1 received 2 single doses of SELZENTRY: the first within 3 days of birth and the second at 7 to 14 days of age. Cohort 2 received SELZENTRY twice daily for 6 weeks beginning within 3 days of birth and continued through Week 6. Both cohorts received SELZENTRY with or without exposure to maternal efavirenz (in utero only in Cohort 1, and both in utero and after birth while breastfeeding in Cohort 2). The population was 51% male and 81% black. All infants were followed for safety through 16 weeks, with a total of 37 infants evaluable for safety.

There were no additional adverse reactions observed in neonates compared with those seen in adults. All adverse reactions reported were mild to moderate. The most common adverse reaction (all grades) reported with SELZENTRY was hemoglobin decreased (14%). One subject (3%) discontinued due to an adverse event (Grade 3 staphylococcal sepsis).

Postmarketing Experience

The following adverse events have been identified during post-approval use of SELZENTRY. 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.

Skin and Subcutaneous Tissue Disorders

Stevens-Johnson syndrome (SJS), drug rash with eosinophilia and systemic symptoms (DRESS), toxic epidermal necrolysis (TEN).

Read the entire FDA prescribing information for Selzentry (Maraviroc)

© Selzentry Patient Information is supplied by Cerner Multum, Inc. and Selzentry Consumer information is supplied by First Databank, Inc., used under license and subject to their respective copyrights.

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