NCIt definition : A diarylpyrimidine non-nucleoside reverse transcriptase inhibitor. Etravirine is designed
to be active against HIV isolates with mutations that confer resistance to the two
most commonly prescribed first-generation NNRTIs. It can bind the enzyme reverse transcriptase
(RT) in multiple conformations, both for native and mutant RT, thereby blocking the
enzymatic activity of RT.;