What the DHHS recommend for genotypic testing in HIV infection?

Updated: Jul 01, 2019
  • Author: Nicholas John Bennett, MBBCh, PhD, MA(Cantab), FAAP; Chief Editor: Michael Stuart Bronze, MD  more...
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Answer

Drug resistance testing typically involves genotyping or phenotyping of resistance in the patient's viral strains. The January 2011 DHHS guidelines recommend genotypic testing to guide the choice of initial therapy in antiretroviral-naïve patients, as well as in patients in whom first or second regimens produce a suboptimal virologic response or virologic failure. Phenotypic testing is generally added to genotypic testing when complex drug resistance mutation patterns, especially to protease inhibitors, are confirmed or suspected. [5]


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