Incidence and Correlates of Sexually Transmitted Infections among Black Men Who Have Sex with Men Participating in the HIV Prevention Trials Network 073 Preexposure Prophylaxis Study

Lisa B. Hightow-Weidman, Manya Magnus, Geetha Beauchamp, Christopher B. Hurt, Steve Shoptaw, Lynda Emel, Estelle Piwowar-Manning, Kenneth H. Mayer, Laron E. Nelson, Leo Wilton, Phaedrea Watkins, Darren Whitfield, Sheldon D. Fields, Darrell Wheeler

Research output: Contribution to journalArticlepeer-review

Abstract

The HIV Prevention Trials Network (HPTN) Study 073 (HPTN 073) assessed the feasibility, acceptability, and safety of preexposure prophylaxis (PrEP) for black men who have sex with men (BMSM). The purpose of this analysis was to characterize the relationship between PrEP uptake and use and incident sexually transmitted infections (STIs) among participants enrolled in HPTN 073. Methods: A total of 226 human immunodeficiency virus (HIV)-uninfected BMSM were enrolled in 3 US cities; all participants received client-centered care coordination (C4) and were offered daily oral PrEP. Participants were followed for 12 months with STI testing (rectal and urine nucleic acid amplification test for gonorrhea and chlamydia, rapid plasma reagin for syphilis) conducted at baseline, week 26, and week 52. Logistic regression was used to examine associations between STI incidence and PrEP uptake. Generalized estimating equations were used to evaluate associations between age, PrEP acceptance, sexual behaviors, and incident STIs. Results: Baseline STI prevalence was 14.2%. Men aged <25 years were more likely to have a baseline STI (25.3% vs 6.7%; odds ratio [OR], 4.39; 95% confidence interval [CI:, 1.91, 10.11). Sixty participants (26.5%) acquired ≥1 STI during follow-up; the incidence rate was 34.2 cases per 100 person-years (95% CI, 27.4, 42.9). In adjusted analyses, baseline STI diagnosis (OR, 4.23; 95% CI, 1.82, 9.87; P <. 001) and additional C4 time (OR, 1.03; 95% CI, 1.00, 1.06; P =. 027) were associated with having an incident STI. STI incidence was not associated with PrEP acceptance or adherence. Conclusions: While we found higher rates of STIs in younger BMSM, overall rates of STI were lower than in prior PrEP trials, with no increase over time. BMSM with STIs at PrEP initiation may require additional interventions that target STI acquisition risk. Clinical Trials Registration: NCT01808352.

Original languageEnglish (US)
Pages (from-to)1597-1604
Number of pages8
JournalClinical Infectious Diseases
Volume69
Issue number9
DOIs
StatePublished - Oct 15 2019

All Science Journal Classification (ASJC) codes

  • Microbiology (medical)
  • Infectious Diseases

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