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ICAAC 2014: PK Study Shows Feasibility of Long-acting Integrase Inhibitor Cabotegravir

A pharmacokinetic (PK) analysis presented at the 54th Interscience Conference on Antimicrobial Agents and Chemotherapy this week in Washington, DC, confirmed that the long-acting HIV integrase inhibitor cabotegravir (formerly GSK1265744) reaches adequate target levels in the blood, setting the stage for efficacy trials for HIV treatment and pre-exposure prophylaxis (PrEP).

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Coverage of the Interscience Conference on Antimicrobial Agents and Chemotherapy

HIVandHepatitis.com coverage of the 54th Interscience Conference on Antimicrobial Agents and Chemotherapy (ICAAC 2014), September 5-9, in Washington, DC.

Conference highlights include experimental antiretroviral therapies for HIV, interferon-free treatment for hepatitis C, and news about other infectious diseases including tuberculosis, HPV, influenza, and Ebola virus.

Full listing of coverage by topic

ICAAC 2014 website

9/8/14

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Maraviroc Dose May Be Too Low for Many African-American People with HIV

A standard dose of the CCR5 antagonist maraviroc (Selzentry) may not be effective for many black people with HIV due to a genetic variation which increases production of a cytochrome P450 protein that speeds up processing of the drug, according to a study published in the August 12 advance edition of Drug Metabolism and Disposition.

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ICAAC 2014: New Tenofovir Alafenamide Combo Pill Has Less Effect on Kidneys and Bones

An experimental single-tablet regimen containing a new version of tenofovir (tenofovir alafenamide or TAF) and the HIV protease inhibitor darunavir (Prezista) worked as well as a similar regimen containing the older tenofovir disoproxil fumarate (TDF) formulation,but it had less detrimental effects on kidney function and bone density, according to a study presented at the 54th Interscience Conference on Antimicrobial Agents and Chemotherapy this week in Washington, DC.

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Mississippi Baby and Other Relapsers Hold Lessons for HIV Cure

Despite the disappointment felt by many, the return of detectable HIV in the Mississippi Baby and 2 patients who received bone marrow transplants are of "enormous scientific importance" and indicate that addressing the latent viral reservoir is the major challenge in achieving a cure or long-term remission, according to an editorial in the August 29 edition of Science.

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ICAAC 2014: Sangamo Provides Update on Gene Therapy to Protect T-cells From HIV

Several people with HIV whose CD4 T-cells were modified to make them resistant to viral entry have maintain low-level viral load after interrupting antiretroviral therapy (ART), with 1 individual having HIV RNA <1000 copies/mL for more than a year, according to a presentation at the 54th Interscience Conference on Antimicrobial Agents and Chemotherapy this week in Washington, DC.

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AIDS 2014: Low Level Viral Load Does Not Raise Risk of HIV Treatment Failure

People with HIV who have a low-level viral load between 20 and 50 copies/mL were not more likely to experience virological failure of antiretroviral therapy (ART) compared with those who consistently maintained viral suppression below 20 copies/mL, according to research presented at the 20th International AIDS Conference in Melbourne.

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