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Project MIX: Behavioral Intervention to Reduce Risk Among Substance-Using MSM

This study has been completed.
Sponsor:
Information provided by:
Centers for Disease Control and Prevention
ClinicalTrials.gov Identifier:
NCT00153361
First received: September 7, 2005
Last updated: January 6, 2010
Last verified: January 2010

September 7, 2005
January 6, 2010
October 2002
September 2008   (final data collection date for primary outcome measure)
  • Decrease in the number of unprotected anal sex partners (and acts) while under the influence of AOD as reported at 3-, 6-, and 12-month follow-up assessments compared to baseline assessments. [ Time Frame: 3 months ] [ Designated as safety issue: No ]
  • Decrease in the number of unprotected anal sex partners (and acts) as reported at 3-, 6-, and 12-month follow-up assessments compared to baseline assessments. [ Time Frame: 3 months ] [ Designated as safety issue: No ]
  • Decrease in the number of unprotected anal sex partners (and acts) while under the influence of AOD as reported at 3-, 6-, and 12-month follow-up assessments compared to baseline assessments.
  • Decrease in the number of unprotected anal sex partners (and acts) as reported at 3-, 6-, and 12-month follow-up assessments compared to baseline assessments.
Complete list of historical versions of study NCT00153361 on ClinicalTrials.gov Archive Site
Not Provided
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Project MIX: Behavioral Intervention to Reduce Risk Among Substance-Using MSM
Project Mix: Behavioral Intervention to Reduce Sexual Risk Behavior of Substance-Using (Non-Injection) Men Who Have Sex With Men

The purpose of this project is to test the efficacy of an HIV prevention behavioral intervention to reduce sexual risk for HIV infection among non-injection, substance-using men who have sex with men (SUMSM). The primary goal of the intervention is to reduce HIV transmission by reducing the incidence of unprotected anal sex while under the influence of alcohol and other drugs (AOD).

Men who have sex with men (MSM) continue to be the largest risk category for incident and prevalent cases of HIV and AIDS in the U.S. Studies of MSM have established an association between alcohol and other drug (AOD) use and risky sexual behaviors. Although studies have assessed and confirmed the association of AOD use and unsafe sex, few have focused specifically on reducing sexual risk of SUMSM.

Sexual risk reduction interventions for MSM identified in the published scientific literature have demonstrated that they are generally effective at reducing sexual risk behaviors among MSM. However, none of these interventions specifically targeted non-injecting SUMSM. Thus, a gap exists in prevention efforts to reduce HIV transmission among SUMSM.

The primary aim of the Project Mix overall is to develop and evaluate a practical intervention strategy that is specifically tailored to the needs of non-injecting SUMSM. The intent of the intervention is to decrease the number of unprotected anal sex partners (and acts) while under the influence of AOD and in general.

Interventional
Not Provided
Allocation: Randomized
Endpoint Classification: Efficacy Study
Intervention Model: Parallel Assignment
Masking: Single Blind (Outcomes Assessor)
Primary Purpose: Prevention
HIV Infections
  • Behavioral: Discussion Group
  • Behavioral: Video Discussion Group
Not Provided
Mansergh G, Koblin BA, McKirnan DJ, Hudson SM, Flores SA, Wiegand RE, Purcell DW, Colfax GN; Project MIX Study Team. An intervention to reduce HIV risk behavior of substance-using men who have sex with men: a two-group randomized trial with a nonrandomized third group. PLoS Med. 2010 Aug 24;7(8):e1000329.

*   Includes publications given by the data provider as well as publications identified by ClinicalTrials.gov Identifier (NCT Number) in Medline.
 
Completed
1750
September 2008
September 2008   (final data collection date for primary outcome measure)

Inclusion Criteria:

  • be 18 years of age or older;
  • self-identify as male;
  • understand and read English;
  • live within the metropolitan area;
  • report being drunk or "buzzed" on alcohol 2 or more times or high on non-injection drugs at least once during (or two hours before) anal sex in the past six months;
  • have had at least one unprotected anal sex episode in the past six months with a male partner of unknown or different HIV-status than their own (i.e., DUA)

Exclusion Criteria:

  • report only marijuana, only Viagra or only marijuana and Viagra use during anal sex (current research shows that marijuana use is not associated with sexual risk behavior);
  • report injecting drugs (eligible if only methamphetamine, steroids, hormones and/or prescribed medications) in the past six months;
  • have known their HIV-positive status for less than six months (this is done to allow for psychological and behavioral adjustment following an initial HIV diagnosis and this time frame coincides with our screening window); these men (if they so desire) will be put on a wait list and contacted after 6 months have passed since their first HIV-positive test result;
  • are currently involved in another HIV behavioral intervention study for MSM [local study site identifies a list of such studies in their community at the time of the trial];
  • have a specific plan to move from the metropolitan area within the next 15 months;
  • participated in the pilot phase of the project;
  • other reasons that the investigators deem would make participation either detrimental to the participant or to the study.
Male
18 Years and older
Yes
Contact information is only displayed when the study is recruiting subjects
United States
 
NCT00153361
CDC-NCHSTP-3985, U65/CCU522209, U65/CCU922215, U65/CCU222309, U65/CCU922213
Not Provided
Gordon Mansergh/Senior Behavioral Scientist, CDC
Centers for Disease Control and Prevention
Not Provided
Principal Investigator: Gordon Mansergh, PhD Centers for Disease Control and Prevention
Centers for Disease Control and Prevention
January 2010

ICMJE     Data element required by the International Committee of Medical Journal Editors and the World Health Organization ICTRP