New tools are needed to support pre-exposure prophylaxis (PrEP) adherence for human immunodeficiency virus (HIV) prevention, including those that enable real-time feedback. In a large, completed PrEP trial, adequate urine tenofovir levels measured using a novel immunoassay predicted HIV protection and showed good sensitivity and specificity for detectable plasma tenofovir.
Keywords: PrEP; ELISA; HIV prevention; immunoassay; urine.
© The Author(s) 2020. Published by Oxford University Press for the Infectious Diseases Society of America.