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NCT04628832
Nudging Providers to Curtail Dangerous Opioid Prescribing: A Trial to Investigate Mechanisms
NA trial testing PMP Use Mandate Letter in Opioid Use in 12,000 participants. Completed in 12 July 2021.
12 July 2021
Quick facts
| Lead sponsor | Columbia University |
|---|---|
| Phase | NA |
| Status | Completed |
| Study type | INTERVENTIONAL |
| Allocation | randomized |
| Design | parallel |
| Masking | none |
| Primary purpose | health services research |
| Enrollment | 12,000 |
| Start date | 15 April 2021 |
| Primary completion | 12 July 2021 |
| Estimated completion | 12 July 2021 |
| Sites | 2 locations across United States |
Drugs / interventions tested
- PMP Use Mandate Letter
- Prescribing Information Letter
- Prescribing Information + PMP Use Mandate Letter
Conditions studied
- Opioid Use — all drugs for Opioid Use →
Sponsor
Columbia University
Who can join
Eligibility, any sex, with Opioid Use. Patients with the condition only — healthy volunteers not accepted.
Sponsor's own description
Despite an enormous policy response, opioid prescribing remains well above historical levels and harms from opioids continue to mount. Nearly all states have Prescription Monitoring Programs (PMPs) to facilitate safer prescribing of opioids and other drugs, but research suggests these systems only deliver benefits when health care professionals are required to use them. Even with PMP mandates in place, providers may be unaware of the dangers of co-prescribing opioids with benzodiazepines or gabapentinoids, which include increased risk of overdose and death. Working with the Minnesota state government, the investigators will mail letters to guideline-discordant opioid prescribers that either highlight an upcoming legally mandated requirement to check the PMP before prescribing an opioid, inform and educate providers about patients filling concurrent prescriptions and the dangers of such co-prescribing, or both. Study participants will be randomized to receive no intervention or one of the three treatment letters. Using administrative data, the investigators will track effects of the letters on not only prescribing but also PMP usage and queries. Findings form the multiplicity of treatment messages and outcomes will shed light on the mechanisms driving overprescribing. Results will inform future work by state and local policymakers to make opioid prescribing safer.
Publications & conference data
1 peer-reviewed publication reference this trial (live from Europe PMC):
-
Healthcare Practitioner and Other Professionals' Perspectives on Gabapentinoid Misuse and Dependence: A Systematic Review of Qualitative Studies.
McNeilage AG, Browne E, Nielsen S, Ashton-James CE, et al · · 2025 · cited 1× · PMID 40891219 · DOI 10.1002/ejp.70116
Verify or expand the search:
- PubMed search for NCT04628832
- Europe PMC full search
- ASCO Meeting Library
- ESMO Meeting Library
- bioRxiv preprints
- medRxiv preprints
- Google Scholar
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Trials by the same sponsor.
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Verify against primary sources
- ClinicalTrials.gov — authoritative US registry record
- WHO ICTRP — international registry index
- EU Clinical Trials Register
- Sponsor press releases (Google)
- Trial protocol + status: ClinicalTrials.gov NCT04628832 (US National Library of Medicine, public domain)
- Publications: Europe PMC API search by NCT ID, retrieved 10 June 2026
- Drug + disease cross-links: matched in real time against Drug Landscape's normalised drug + company + condition tables
- Sponsor: as reported to ClinicalTrials.gov by Columbia University
- Last refreshed: 19 September 2022
Drug Landscape aggregates and links these public records for informational use only. Always verify against the primary source before clinical or regulatory decisions. Canonical URL: https://druglandscape.com/trial/NCT04628832.
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