- Conditions
- Drug Dependence
- Interventions
- 2-4 of the drugs listed below
- Drug
- Lead sponsor
- University of Arkansas
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 9 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2012
- U.S. locations
- 1
- States / cities
- Little Rock, Arkansas
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- Conditions
- Drug-Drug Interaction
- Interventions
- Methadone and Tizanidine, Efavirenz, Methadone and Tizanidine
- Drug
- Lead sponsor
- Indiana University
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 60 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2023 – 2027
- U.S. locations
- 1
- States / cities
- Indianapolis, Indiana