Early Adopters of Event-driven Human Immunodeficiency Virus Pre-exposure Prophylaxis in a Large Healthcare System in San Francisco

Abstract
Among 279 patients within a large healthcare system in San Francisco, event-driven HIV pre-exposure prophylaxis using a 2–1–1 regimen was a desirable alternative to daily dosing. Problems with adherence, planning sex in advance, or side effects were infrequent (13.9%). We found no new HIV infections over 136 person-years of follow-up.
Funding Information
  • National Institutes of Health (T32 DA007250, K01 AI122853, K24 AA025703)

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