PVAMC / OHSU J: Risky Decision Making in Methamphetamine Users: The Role of Opioid Blockade
The purpose of this study is to learn more about how a medication called naltrexone might effect risky decision-making in methamphetamine users. Participants will receive a one-time injection of naltrexone or a placebo, and will undergo 2 MRI scans.
Methamphetamine use, risky decision-making
Eligible subjects are men and women between the ages of 18 and 55, who are interested in stopping methamphetamine use. Subjects cannot be dependent on any other drugs, except tobacco and caffeine. They may not currently use, or have abused in the the last 5 years, any opioids (which includes heroin, methadone, buprenorphine, oxycodone/OxyContin/Percocet, Vicodin, morphine, codeine, and others). Subjects cannot have had a serious medical illness in the past 30 days, as assessed by study physician upon physical exam.
18 - 55
Healthy Volunteers Needed
Duration of Participation
Britta Tremblay. 503-721-7964
National Institute on Drug Abuse
$200 plus an additional $0 to $280 possible.