Nudging Providers to Curtail Dangerous Opioid Prescribing: A Trial to Investigate Mechanisms
Public ClinicalTrials.gov record NCT04628832. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Study identification
- NCT ID
- NCT04628832
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Not applicable
- Lead sponsor
- Columbia University
- Other
- Enrollment
- 12,000 participants
Conditions and interventions
Conditions
Interventions
- PMP Use Mandate Letter Behavioral
- Prescribing Information + PMP Use Mandate Letter Behavioral
- Prescribing Information Letter Behavioral
Behavioral
Eligibility (public fields only)
- Age range
- Not listed
- Sex
- All
- Healthy volunteers
- Accepts healthy volunteers
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Apr 14, 2021
- Primary completion
- Jul 11, 2021
- Completion
- Jul 11, 2021
- Last update posted
- Sep 18, 2022
2021
United States locations
- U.S. sites
- 2
- U.S. states
- 1
- U.S. cities
- 2
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Minnesota Board of Pharmacy | Minneapolis | Minnesota | 55414 | — |
| Minnesota Management and Budget Agency | Saint Paul | Minnesota | 55155 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT04628832, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Sep 18, 2022 · Synced May 20, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04628832 live on ClinicalTrials.gov.