- Conditions
- Alzheimer Disease, Dementia, Prescribing, Off-Label
- Interventions
- Overprescribing letter to attributed physician, Placebo letter to attributed physician
- Behavioral
- Lead sponsor
- Columbia University
- Other
- Eligibility
- Not listed
- Enrollment
- 336,460 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2015 – 2018
- U.S. locations
- 3
- States / cities
- Boston, Massachusetts • Cambridge, Massachusetts • New York, New York
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