Laboratory Assays in the Clinical Management of Antiretroviral Therapy

  • Author: Mark Holodniy, MD (More Info)
  • Editors in Chief: Daniel R. Kuritzkes, MD; Joseph J. Eron, Jr., MD
  • Last Reviewed: 12/12/17 (What's New)


  • Recombinant virus assays are used to determine susceptibility of a clinical strain to the specific agent in question
  • Results on viral susceptibility are presented in relation to biologic or clinical cutoffs
  • Biologic cutoff is the 97.5th percentile of wild-type FC values per drug

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