- Conditions
- Substance Withdrawal Syndrome
- Interventions
- Tramadol, Placebo
- Drug
- Lead sponsor
- Michelle Lofwall
- Other
- Eligibility
- 18 Years to 55 Years
- Enrollment
- 53 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2009 – 2012
- U.S. locations
- 1
- States / cities
- Lexington, Kentucky
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