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A combination of antiretroviral drugs in long-acting nanosuspension formulations achieved adequate blood levels and appeared safe in HIV negative study volunteers, offering the potential for a maintenance or PrEP option that could be taken once monthly, researchers reported at the 7th International AIDS Society Conference on HIV Pathogenesis, Treatment and Prevention (IAS 2013) this week in Kuala Lumpur.
While modern antiretroviral therapy is highly safe and effective, agents that could be administered less frequently would improve convenience for people with HIV. A long-acting option could prove especially attractive for maintenance therapy once viral load is suppressed, or for pre-exposure prophylaxis (PrEP) in HIV negative people.