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Δευτέρα 15 Μαΐου 2017

In Vitro Cross-Resistance Profiles of Rilpivirine, Dapivirine and MIV-150: NNRTI Microbicides in Clinical Development for the Prevention of HIV-1 Infection [PublishAheadOfPrint]

Rilpivirine, dapivirine (DPV) and MIV-150 are in development as microbicides. It is not known whether they will block infection of circulating NNRTI-resistant HIV-1 variants. Here, we demonstrate that the activity of DPV and MIV-150 are compromised by many resistant viruses containing single or double substitutions. High DPV genital tract concentrations from DPV-ring use may block replication of resistant viruses. However, MIV-150 genital tract concentrations may be insufficient to inhibit many resistant viruses, including those harboring K103N or Y181C.



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