Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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COMPLETED
NA
98 participants
INTERVENTIONAL
2022-01-06
2024-12-23
Brief Summary
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Detailed Description
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Given the nature of RDS, the study design will include a concurrent non-randomized control group, which will be recruited using venue-based sampling (e.g. gay dance clubs, bars, and social organizations). This has been used in previous RDS studies as an appropriate study design and comparison group. We will identify appropriate venues that AA and H/L MSM frequent using one-to-one qualitative interviews in Specific Aim 1. Research staff will visit these venues at specific times to recruit AA and H/L MSM. MSM who are willing to participate in this study will receive PrEP and HIV education offered by research staff and complete a short survey during outreach. Individuals who are interested in PrEP uptake will be referred to the PrEP clinic. All study participants, regardless of PrEP status (initiated or not initiated), will be followed for six months. Each individual will complete three visits, including baseline, three-month, and six-month follow-ups.
This study has two independent arms. Our primary outcome is PrEP uptake, which is defined as a binary variable (Yes vs. No). We will calculate the study power using the method for two independent proportions power analyses. Our local STD clinic data shows only 8% of AA and H/L MSM have used PrEP and we will assume that 8% of AA and H/L MSM recruited through venue-based sampling will initiate PrEP. We expect to observe at least a 14% increase in PrEP uptake in the PDI group. To have 80% of power (Type I error =0.05), we will recruit 100 participants (N=100, 50 AA, and 50 H/L MSM) in each group.
PrEP uptake measured by receiving a prescription for the medication and filling a prescription at a pharmacy will be treated as time-to-event variables. We will perform survival analysis techniques (Kaplan-Meier models and Cox proportional hazards models) to assess the effect of the PDI on PrEP initiation. Self-reported PrEP adherence and drug concentration level (Yes vs. No) will be treated as binary variables and multivariate logistic regression will be performed.
Conditions
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Study Design
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NON_RANDOMIZED
PARALLEL
PREVENTION
NONE
Study Groups
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PDI group
In this group, participants will receive education about HIV and pre-exposure prophylaxis (PrEP) and be referred to our study by peer educators. Referred participants will have free PrEP counseling and receive referrals if interested. We will follow up at three and six months and check participants' PrEP status.
Peer-driven intervention
This peer-driven intervention (PDI), modified based on respondent-driven sampling (RDS) or snowball sampling, is a "chain referral" approach. Index peers will be purposefully selected to reflect the diversity of African American (AA) and Hispanic/Latino (H/L) men who have sex with men (MSM) and are required to take a formal training about pre-exposure prophylaxis (PrEP) and HIV. These index peers will educate members of their social networks and encourage them to initiate PrEP. Those referred peers will schedule an appointment to complete a short survey and will be referred to our PrEP clinic if they are interested in PrEP uptake. The referred peers will serve as index peers for the following wave of recruitment. It is expected to achieve a robust sample of AA and H/L within six waves of recruitment. This PDI approach is potential to engage AA and H/L who are most at risk of HIV acquisition in PrEP uptake and could contribute to reducing the concentrated HIV epidemic.
Control group
In the control group, participants do not receive any education from peers and will be directly recruited by research assistants from venues (e.g. gay bars, LGBTQ communities, LGBTQ events, and social media advertisements). Participants will receive PrEP counseling and referral if interested. We will follow up at three and six months and check participants' PrEP status.
No interventions assigned to this group
Interventions
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Peer-driven intervention
This peer-driven intervention (PDI), modified based on respondent-driven sampling (RDS) or snowball sampling, is a "chain referral" approach. Index peers will be purposefully selected to reflect the diversity of African American (AA) and Hispanic/Latino (H/L) men who have sex with men (MSM) and are required to take a formal training about pre-exposure prophylaxis (PrEP) and HIV. These index peers will educate members of their social networks and encourage them to initiate PrEP. Those referred peers will schedule an appointment to complete a short survey and will be referred to our PrEP clinic if they are interested in PrEP uptake. The referred peers will serve as index peers for the following wave of recruitment. It is expected to achieve a robust sample of AA and H/L within six waves of recruitment. This PDI approach is potential to engage AA and H/L who are most at risk of HIV acquisition in PrEP uptake and could contribute to reducing the concentrated HIV epidemic.
Eligibility Criteria
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Exclusion Criteria
18 Years
MALE
Yes
Sponsors
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National Institute of Mental Health (NIMH)
NIH
Rhode Island Public Health Institute
UNKNOWN
The Miriam Hospital
OTHER
Responsible Party
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Locations
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The Miriam Hospital
Providence, Rhode Island, United States
Countries
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Other Identifiers
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1594759
Identifier Type: -
Identifier Source: org_study_id