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A Demonstration Project to Add Pre- or Post-exposure Prophylaxis to Combination HIV Prevention Services (PATH-PrEP)

University of California, Los Angeles (UCLA) logo

University of California, Los Angeles (UCLA)

Status and phase

Completed
Phase 4

Conditions

HIV Prevention

Treatments

Drug: emtricitabine 200mg/tenofovir 300mg

Study type

Interventional

Funder types

Other

Identifiers

NCT01781806
EI11-LA-002

Details and patient eligibility

About

The purpose of this study is to evaluate the safety, acceptability and feasibility of delivery of Pre-Exposure Prophylaxis (PrEP) or Post-Exposure Prophylaxis) PEP as part of combination HIV prevention services for high-risk MSM and transgender women.

Full description

Two community-based sites (LALGBT Center and The OASIS Clinic) will serve as facilities at which participants may present for screening for prevention services. At the sites, eligibility criteria will be assessed, HIV, Sexually Transmitted Disease (STD) and laboratory testing will be performed, and HIV prevention service referrals will be initiated. Follow-up will be on a monthly basis for the first three months, and then de-escalated to an every-3-month interval.

The program stratifies participants into two cohorts on the basis of sexual risk behavior: a low-moderate risk cohort (LM) and a high-risk cohort (H). Participants in the LM cohort will be provided a customized prevention package (CPP) including access to PEP for emergency HIV prevention in the event of unanticipated HIV exposure. Participants in the H cohort will be provided a CPP including daily Truvada-based PrEP. All participants will be followed for 48 weeks. Participants in the LM cohort who, on longitudinal sexual risk behavior surveillance, report increased levels of sexual risk-taking such that they meet enrollment criteria for the H-cohort will be transitioned to the H-cohort.

At each follow-up visit, a careful safety assessment will be made, including signs/symptoms and laboratory assessments. STD testing will be performed at 3 month intervals. An escalating-intensity adherence intervention will be implemented based on real-time plasma tenofovir levels. A computer-assisted self-interview (CASI) will be used to capture detailed sexual risk, adherence, and substance use behavior.

Enrollment

328 patients

Sex

Male

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • At least 18 years of age
  • Able to understand and provide consent in English or Spanish
  • Self identified MSM, MSM/W, or Transfemale
  • At least one male sex partner for anal intercourse in the prior 12 months
  • HIV negative by enzyme immunoassay (EIA) and viral load (VL)
  • CrCl ≥ 60 ml/min (via Cockcroft-Gault formula)
  • No signs or symptoms suggestive of primary HIV infection (PHI).

Exclusion criteria

  • Participants <18 years of age
  • Unable to understand and provide consent in English or Spanish
  • Known or found on testing to be HIV positive
  • Any condition, which in the opinion of the intake provider, will seriously compromise the participant's ability to comply with the protocol, including adherence to PEP or PrEP medication dosing
  • Use of Antiretroviral therapy (ART) taken for any indication (i.e. PEP or PrEP) within 60 days of study entry
  • Previous participation in an HIV vaccine trial. Participants that were documented to have received only placebo are not excluded.
  • Signs or symptoms suspicious for PHI.

Trial design

Primary purpose

Prevention

Allocation

Non-Randomized

Interventional model

Parallel Assignment

Masking

None (Open label)

328 participants in 2 patient groups

Cohort H (PrEP)
Active Comparator group
Description:
Participants in the H cohort will be provided with a CPP, including daily oral emtricitabine/tenofovir-based PrEP. High Risk Cohort Criteria (one or more of the following has to be met): 1. No condom use during anal intercourse with ≥3 male sex partners who are HIV-positive or of unknown HIV status during the last three months. 2. STD diagnosis during the last 12 months. 3. Previous PEP use during the last 12 months (\* see exclusion criteria) 4. Has at least one HIV infected sexual partner for ≥4 weeks.
Treatment:
Drug: emtricitabine 200mg/tenofovir 300mg
Cohort LM (PEP)
Active Comparator group
Description:
Participants who do not meet criteria for High Risk (Cohort H) will be assigned to the LM (low moderate) cohort and will receive a customized prevention package based on baseline assessments (in the same manner as the Cohort H Participants). In addition, they will receive education on the availability and use of post-exposure prophylaxis.
Treatment:
Drug: emtricitabine 200mg/tenofovir 300mg

Trial contacts and locations

2

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Data sourced from clinicaltrials.gov

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