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TheBody.com/TheBodyPRO.com covers The 19th Conference on Retroviruses and Opportunistic Infections (CROI 2012)

Medical News

Gilead Quad HIV Drug Causes Fewer Side Effects

March 9, 2012

Gilead Sciences Inc.'s experimental pill combining four HIV drugs has fewer side effects than the firm's current three-drug Atripla pill, according to data presented Wednesday in Seattle at the 19th Conference on Retroviruses and Opportunistic Infections. The Quad pill works as well as Atripla in controlling HIV, Gilead reported last year.

Patients on Atripla, which combines Gilead's Truvada (emtricitabine/tenofovir) with Bristol-Myers Squibb's Sustiva (efavirenz), had significantly higher rates of dizziness, abnormal dreams, insomnia, and rash compared with patients taking the Quad pill. However, Quad patients did report higher rates of nausea (21 percent vs. 14 percent). Quad consists of the experimental integrase inhibitor elvitegravir and boosting agent cobicistat combined with Truvada, all of which belong to Gilead.

At 48 weeks, 88 percent of Quad patients and 84 percent of Atripla patients had achieved the targeted levels of HIV. Discontinuation rates were similar: 1.4 percent dropped out of the Quad arm for kidney-related abnormalities, while 1.4 percent of Atripla patients discontinued due to rash. Participants taking Quad had a median serum creatinine increase -- a marker for kidney toxicity -- of 0.14 mg/dL, below the 0.4 mg/dL level that would have been a safety concern, said study leader Dr. Paul Sax, clinical director of infectious diseases at Brigham and Women's Hospital in Boston.

Quad is under regulatory review, and the Food and Drug Administration is due to decide by Aug. 27 whether to approve it.

Back to other news for March 2012

Adapted from:
Reuters
03.07.2012; Deena Beasley




This article was provided by CDC National Prevention Information Network. It is a part of the publication CDC HIV/Hepatitis/STD/TB Prevention News Update.
 


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Please note: Knowledge about HIV changes rapidly. Note the date of this summary's publication, and before treating patients or employing any therapies described in these materials, verify all information independently. If you are a patient, please consult a doctor or other medical professional before acting on any of the information presented in this summary. For a complete listing of our most recent conference coverage, click here.

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