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Study # 403
What is the purpose of the study?
To examine the effects of clonidine on heroin and cocaine users.
Who can participate in the study?
This study is accepting men and women who:
- Are 18 to 55 years of age
- Currently use cocaine and/or heroin
The use of other drugs will not disqualify you from participating.
What will participants be asked to do?
This study consists of 2 screening sessions and 1 test session for
5 to 6 hours.
Participants will:
- Provide saliva and urine samples
- Be asked to take 1 capsule that may contain clonidine (a drug used to treat high blood pressure) or placebo (a pill with no drug)
- Listen to short stories on tape
- Complete questionnaires
Where is the study taking place?
The NIDA Intramural Research Program is located on the Johns Hopkins Bayview Medical Center campus in East Baltimore.
Will there be any cost to participate?
No, there is no charge for study-related medical care, including study visits and procedures.
Will I receive payment of some kind?
All study participants will be compensated for their time and travel.
How can I find out if I’m eligible to participate?
Call 1-866-START NOW (1-866-782-7866) for a confidential screening.
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