Evolution of HIV integrase resistance mutations.


Integrase strand transfer inhibitors (INSTIs) have become a key ...
Integrase strand transfer inhibitors (INSTIs) have become a key component of antiretroviral therapy since the approval of twice-daily raltegravir in 2007 and the more recent approval of elvitegravir in 2012. At the same time, a third compound, dolutegravir, is in late-phase clinical trials, being tested as part of a multidrug once-daily formulation comprising this INSTI and two other antiretroviral (ARV) drugs. This review focuses on the factors leading to the development of drug resistance mutations (DRMs) against INSTIs, evidence of cross-resistance among them, and the results of regimen simplification in regard to this topic.




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