A 71-year-old cisgender man with chronic HIV and a CD4 count of 136 cells/mm3 returns to clinic for follow-up on a salvage antiretroviral regimen of darunavir-cobicistat, maraviroc, fostemsavir, and tenofovir alafenamide-emtricitabine. He intermittently has encountered problems with adherence. An HIV RNA level obtained on the day of the visit shows a value of 1,860 copies/mL and HIV genotypic resistance testing is ordered.
Which one of the following is TRUE about maraviroc resistance?
Figure 1. Outgrowth of Pre-existing Non-R5-Tropic HIV with Selective Maraviroc Pressure.
Illustration: David H. Spach, MD
Figure 2. Maraviroc Resistance with Alterations in HIV gp120.
Illustration: David H. Spach, MD
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Question Last Updated
September 22nd, 2023
September 22nd, 2023
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