Mirtazapine to Reduce Methamphetamine Use Among MSM With High-risk HIV Behaviors

Completed · Phase 2 · Has a placebo group

Conditions studied: Substance Abuse, HIV Infections

In brief

Studies demonstrate that methamphetamine (meth) use is associated with high-risk sexual behavior among MSM, putting meth-using MSM at extraordinarily high risk for transmitting or acquiring HIV. This study of intermediate size (60 participants) and length (3 months of follow-up) will assess the efficacy of mirtazapine in reducing methamphetamine use among high-risk MSM.

Key facts

Study ID

NCT00497081

Run by

San Francisco Department of Public Health

People needed

60

Starts

2007-05-01

Expected to finish

2010-03-01

Last updated by the study team

2015-01-05

Who can join

Age: 18 and older, up to 60. Sex: male. Healthy volunteers: accepted.

You may qualify if…

• HIV-negative by rapid test, or documentation of HIV infection with a laboratory result of a positive HIV test;
• male gender;
• reports having anal sex with men in the prior 3 months while using methamphetamine;
• diagnosed with methamphetamine dependence as determined by SCID;
• interested in stopping or reducing methamphetamine use;
• at least one methamphetamine-positive urine at screening and run-in period;
• no known allergies to mirtazapine;
• no current acute illnesses requiring prolonged medical care;
• no chronic illnesses that are likely to progress clinically during trial participation;
• able and willing to provide informed consent and to be followed over a 3-month period;
• age 18-60 years;
• baseline CBC, total protein, albumin, glucose, alk phos, creatinine, BUN and electrolytes without clinically significant abnormalities as determined by investigator in conjunction with symptoms, physical exam, and medical history.

You may not qualify if…

• evidence of current major depression, as determined by SCID;70
• history of bipolar disorder or psychosis, as determined by SCID;
• taking anti-depressant or other psychotropic medication within the last 30 days, including mirtazapine or a monoamine oxidase (MAO) inhibitor;
• currently using or unwilling not to use pseudoephedrine-containing products for trial duration (causes false positive urines for methamphetamine use);
• current CD4 count < 200 cells/mm3;
• measured moderate or severe liver disease (AST, ALT, and total bilirubin > 3 times upper limit of normal) and/or any symptoms of current liver disease;
• impaired renal function (creatinine clearance < 60 ml/min);
• currently participating in another research study;
• any condition that, in the principal investigator's judgment, interferes with safe study participation or adherence to study procedures.

Where it is running

• San Francisco Department of Public Health, Substance Use Research Unit — San Francisco, California, United States

Full record on ClinicalTrials.gov

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