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HIV Drug Therapy: Once-daily Dolutegravir Superior to Darunavir at 96 Weeks

Treatment with a triple antiretroviral combination containing the once-daily integrase inhibitor dolutegravir (Tivicay) is superior to the ritonavir-boosted protease inhibitor darunavir (Prezista) over 96 weeks of follow-up, Jean-Michel Molina of the Hôpital Saint Louis, Paris, reported this month at the HIV Drug Therapy Glasgow conference.

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HIV Drug Therapy: Darunavir/Ritonavir Protease Inhibitor Monotherapy Less Effective than 3-Drug ART

Monotherapy with ritonavir-boosted darunavir (Prezista) results in a lower rate of viral suppression after 48 weeks when compared to darunavir/ritonavir plus 2 nucleoside/nucleotide reverse transcriptase inhibitors (NRTIs), but may be just as effective as 3-drug therapy in people with nadir (lowest-ever) CD4 cell counts above 200 cells/mm3, according to a 48-week analysis of the PROTEA study presented last week at the HIV Drug Therapy Glasgow conference.

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HIV Drug Therapy: Efavirenz Compromises Hormonal Contraceptive Implant

The widely prescribed non-nucleoside reverse transcriptase inhibitor (NNRTI) efavirenz substantially reduces levels of the hormonal contraceptive levonorgestrel, a component of a progesterone contraceptive implant widely used in developing countries, according to findings from a study conducted in Uganda presented this week at the HIV Drug Therapy Glasgow conference.

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HIV Drug Therapy: Do Emtricitabine and Lamivudine Have Similar Efficacy for First-line ART?

First-line antiretroviral regimens containing emtricitabine have superior virological efficacy to combinations containing lamivudine when combined with tenofovir and either nevirapine or efavirenz, Dutch investigators report in the October 1 online edition of Clinical Infectious Diseases and at the HIV Drug Therapy Glasgow conference taking place this week. Lamivudine was associated a significantly increased risk of virological failure when used in these regimens.

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IDWeek 2014: Earlier Treatment, NNRTI Use Predict Slower HIV Rebound After Stopping ART

HIV viral load usually begins to rise again within 4 to 8 weeks after stopping antiretroviral therapy (ART), though starting treatment earlier in the course of infection and using a non-nucleoside reverse transcriptase inhibitor (NNRTI) may delay viral rebound, according to study findings presented at IDWeek 2014 last week in Philadelphia.

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