NCT05805306

Brief Summary

This is a randomized controlled trial with an attention placebo control group. The goal of this study is to decrease HIV incidence in Latino men who have sex with men by engaging their siblings in PrEP-use promotion. In the intervention arm, siblings will be trained to engage their gay brother in PrEP conversations. In the control arm, siblings will be trained to engage their gay brother in conversations about vaccines to prevent COVID, Hepatitis A/B, or MPOX.

Trial Health

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Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
288

participants targeted

Target at P50-P75 for not_applicable hiv-infections

Timeline
Completed

Started Apr 2023

Geographic Reach
1 country

1 active site

Status
active not recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

March 1, 2023

Completed
1 month until next milestone

First Posted

Study publicly available on registry

April 10, 2023

Completed
19 days until next milestone

Study Start

First participant enrolled

April 29, 2023

Completed
2.2 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 30, 2025

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

June 30, 2025

Completed
Last Updated

March 28, 2025

Status Verified

February 1, 2025

Enrollment Period

2.2 years

First QC Date

March 1, 2023

Last Update Submit

March 25, 2025

Conditions

Keywords

Men Who Have Sex with MenLatino menHIV PrEPSiblings

Outcome Measures

Primary Outcomes (2)

  • Number of participants that start using PrEP

    This measures how many participants in the experiment group started taking PrEP (baseline = 0 participants). Tool: Pictures. Participants will submit a picture of their pill bottle to report PrEP use.

    90 days

  • Number of participants that get vaccinated

    This measures whether participants in the control group decided to get vaccinated for COVID, Hep A/B, or MPOX. Tool: Pictures. Participants will submit a picture of their proof-of-vaccination card to report vaccination status.

    90 days

Secondary Outcomes (2)

  • Number of participants who increase their willingness to use PrEP

    90 days

  • Number of participants who increase their willingness to get vaccinated

    90 days

Study Arms (2)

PrEP Promotion

EXPERIMENTAL
Behavioral: Entre Herman@s

Vaccine Promotion

PLACEBO COMPARATOR
Behavioral: Vaccines for Health

Interventions

Entre Herman@sBEHAVIORAL

The intervention unfolds as follows: (Week 1) the research team, Latino MSM, \& sibling will all engage in a PrEP Conversation followed by an individual Sibling Training for siblings to learn communication strategies for promoting health behaviors; (Week 2) we will send siblings reminders and a link to motivational interviewing techniques; (Week 3) we will conduct brief Follow-ups with siblings to determine if their brother changed his behavior; (Week 4) we will send a reminder to Latino MSM that they will have a follow-up the following week; (Week 5) we will conduct 30-day Follow-up with Latino MSM to determine if there was uptake of the new behavior change; (Week 7) same as week 5 above; (Week 10) send siblings information on motivational interviewing; (Week 12) final follow-up for both Latino MSM and siblings.

PrEP Promotion

The intervention unfolds as follows: (Week 1) the research team, Latino MSM, \& sibling will all engage in a Health Conversation about vaccines for COVID, Hep A/B, or MPOX, followed by an individual Sibling Training for siblings to learn communication strategies for promoting health behaviors; (Week 2) we will send siblings reminders and a link to motivational interviewing techniques; (Week 3) we will conduct brief Follow-ups with siblings to determine if their brother changed his behavior; (Week 4) we will send a reminder to Latino MSM that they will have a follow-up the following week; (Week 5) we will conduct 30-day Follow-up with Latino MSM to determine if there was uptake of the new behavior change; (Week 7) same as week 5 above; (Week 10) send siblings information on motivational interviewing; (Week 12) final follow-up for both Latino MSM and siblings.

Vaccine Promotion

Eligibility Criteria

Age18 Years - 39 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • self-identify as Latino
  • identify as male
  • be \<40 years old
  • report HIV-negative status
  • be willing to talk about MSM healthcare issues with a sibling
  • either (a) have never used PrEP or (b) stopped using PrEP at least 90 days ago
  • missing most recent COVID vaccine
  • missing Hepatitis (A or B) vaccines
  • missing Mpox vaccine
  • meet CDC's PrEP eligibility criteria (be HIV-negative; any male sex partner in the past six months; not in a monogamous partnership with a recently tested, HIV-negative man; and at least one of the following: any anal sex without condoms in past 6 months, any sexually-transmitted infection (STI) diagnosed or reported in past 6 months, or is in an ongoing sexual relationship with an HIV-positive male partner).

You may not qualify if:

  • are unable to provide consent or
  • they do not meet any of the criteria above
  • at least 18 years old
  • report a close relationship his/her LMSM brother \<40 years old
  • be willing to talk about MSM healthcare issues with his/her LMSM brother
  • are unable to provide consent or
  • they do not meet any of the criteria above

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Charles R. Drew University of Medicine and Science

Los Angeles, California, 90059, United States

Location

MeSH Terms

Conditions

HIV InfectionsHomosexuality

Interventions

VaccinesHealth

Condition Hierarchy (Ancestors)

Blood-Borne InfectionsCommunicable DiseasesInfectionsSexually Transmitted Diseases, ViralSexually Transmitted DiseasesLentivirus InfectionsRetroviridae InfectionsRNA Virus InfectionsVirus DiseasesGenital DiseasesUrogenital DiseasesImmunologic Deficiency SyndromesImmune System DiseasesSexualitySexual BehaviorBehavior

Intervention Hierarchy (Ancestors)

Biological ProductsComplex MixturesPopulation Characteristics

Study Officials

  • Homero del Pino, PhD, MS

    Charles Drew University of Medicine and Science

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
PARTICIPANT
Purpose
PREVENTION
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Associate Professor

Study Record Dates

First Submitted

March 1, 2023

First Posted

April 10, 2023

Study Start

April 29, 2023

Primary Completion

June 30, 2025

Study Completion

June 30, 2025

Last Updated

March 28, 2025

Record last verified: 2025-02

Data Sharing

IPD Sharing
Will not share

Locations