- Conditions
- Covid-19, Substance Use, Opioid Use
- Interventions
- Chain-referral, Credible Messenger
- Behavioral
- Lead sponsor
- New York State Psychiatric Institute
- Other
- Eligibility
- 18 Years to 80 Years
- Enrollment
- 498 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021 – 2023
- U.S. locations
- 1
- States / cities
- New York, New York
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- Conditions
- Inappropriate Prescribing
- Interventions
- Prescribing Feedback
- Behavioral
- Lead sponsor
- Yale University
- Other
- Eligibility
- Not listed
- Enrollment
- 200 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026 – 2028
- U.S. locations
- 1
- States / cities
- New Haven, Connecticut