Intelence (Entravirine Tablets) Drug Information: Description, User Reviews, Drug Side Effects, Interactions

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February 10, 2012

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Intelence

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INTELENCE®
(etravirine)

DRUG DESCRIPTION

INTELENCE® (etravirine) is a non-nucleoside reverse transcriptase inhibitor (NNRTI) of human immunodeficiency virus type 1 (HIV-1).

The chemical name for etravirine is 4-[[6-amino-5-bromo-2-[(4-cyanophenyl)amino]-4-pyrimidinyl]oxy]-3,5dimethylbenzonitrile. Its molecular formula is C₂₀H₁₅BrN₆O and its molecular weight is 435.28. Etravirine has the following structural formula:

INTELENCE® (etravirine) Structural Formula Illustration

Etravirine is a white to slightly yellowish brown powder. Etravirine is practically insoluble in water over a wide pH range. It is very slightly soluble in propylene glycol and slightly soluble in ethanol. Etravirine is soluble in polyethylene glycol (PEG)400 and freely soluble in some organic solvents (e.g., N,N-dimethylformamide and tetrahydrofuran).

INTELENCE® 100 mg tablets are available as white to off-white, oval tablets for oral administration. Each 100 mg tablet contains 100 mg of etravirine and the inactive ingredients hypromellose, microcrystalline cellulose, colloidal silicon dioxide, croscarmellose sodium, magnesium stearate and lactose monohydrate.

INTELENCE® 200 mg tablets are available as white to off-white, biconvex, oblong tablets for oral administration. Each 200 mg tablet contains 200 mg of etravirine and the inactive ingredients hypromellose, silicified microcrystalline cellulose, microcrystalline cellulose, colloidal silicon dioxide, croscarmellose sodium and magnesium stearate.

What are the possible side effects of etravirine (Intelence)?

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Call your doctor at once if you have any of these serious side effects:

fever, sore throat, and headache with a severe blistering, peeling, and red skin rash;
chest pain;
confusion, anxiety, nightmares, seizure (convulsions);
loss of appetite, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes);

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What are the precautions when taking entravirine tablets (Intelence)?

Before taking etravirine, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

Before using this medication, tell your doctor or pharmacist your medical history, especially of: liver disease (e.g., hepatitis B, hepatitis C).

During pregnancy, this medication should be used only when clearly needed. Discuss the risks and benefits with your doctor.

It is not known if this medication passes into breast milk. Because breast milk can transmit HIV, do not...

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Last reviewed on RxList: 10/20/2011
This monograph has been modified to include the generic and brand name in many instances.