Evaluation of Many Men, Many Voices, An STD/HIV Prevention Intervention for Black MSM (3MV)

Centers for Disease Control and Prevention (CDC) logo

Centers for Disease Control and Prevention (CDC)

Status and phase

Phase 2
Phase 1


Sexually Transmitted Diseases
HIV Infections


Behavioral: Many Men, Many Voices (3MV)

Study type


Funder types

Other U.S. Federal agency


U65/CCU224517-01 (Other Grant/Funding Number)

Details and patient eligibility


The purpose of this program evaluation is to determine whether the "Many Men, Many Voices" HIV/STD prevention intervention is effective in reducing HIV sex risk behaviors and increasing HIV testing among African-American men who have sex with men (MSM), who may or may not self-identify as gay. The intent of this program is to support the evaluation of an existing intervention and provide feedback to the implementing organization for improved program effectiveness, not to conduct research.

Full description

Black men who have sex with men (MSM) in the United States experience disproportionately high rates of HIV and other sexually transmitted infections (STIs); however, the number of evidence-based interventions for Black MSM is limited. This study evaluated the efficacy of Many Men, Many Voices (3MV), a small-group HIV/STI prevention intervention developed by Black MSM-serving community-based organizations and a university-based HIV/STI prevention and training program. The study sample included 338 Black MSM of HIV-negative or unknown HIV serostatus residing in New York city. Participants were randomly assigned to the 3MV intervention condition (n = 164) or wait-list comparison condition (n = 174). Relative to comparison participants, 3MV participants reported significantly greater reductions in any unprotected anal intercourse with casual male partners; a trend for consistent condom use during receptive anal intercourse with casual male partners; and significantly greater reductions in the number of male sex partners and greater increases in HIV testing. This study is the first randomized trial to demonstrate the efficacy of an HIV/STI prevention intervention for Black MSM.


341 patients




18+ years old


Accepts Healthy Volunteers

Inclusion criteria

  • Black men who have sex with other men (i.e., self-identify as gay or bisexual or same gender-loving, or sexually active with other men and do not identify as gay or bisexual, or have sexual or emotional attraction to other men)
  • 18 years of age or older
  • Self-report their HIV serostatus as negative or unknown
  • Willing to attend an intervention retreat (without their primary partner)
  • Willing to discuss male-to-male sex
  • Resident of the New York Metropolitan area and plan to reside in that area for at least 6 months
  • Not previously participated in a Many Men, Many Voices intervention program

Exclusion criteria

  • Individuals indicating an HIV positive serostatus
  • Under 17 years of age
  • Individuals not meeting the inclusion criteria specified above

Trial design

341 participants in 2 patient groups

Many Men, Many Voices (3MV) Intervention
Experimental group
Receive 6-session intervention immediately after baseline assessment and randomization
Behavioral: Many Men, Many Voices (3MV)
Wait list comparison
No Intervention group
Receive intervention after 6-month delay (wait list control group)

Trial contacts and locations



Data sourced from

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