Opioid Analgesic Reduction Study
Public ClinicalTrials.gov record NCT04452344. 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.
Official title
Opioid Analgesic Reduction Study (OARS): Managing Acute Post-Operative Surgical Pain
Study identification
- NCT ID
- NCT04452344
- Recruitment status
- Active, not recruiting
- Study type
- Interventional
- Phase
- Phase 3
- Lead sponsor
- Rutgers, The State University of New Jersey
- Other
- Enrollment
- 1,815 participants
Conditions and interventions
Conditions
Interventions
- opioid-containing analgesic Drug
- two over-the-counter analgesics Drug
Drug
Eligibility (public fields only)
- Age range
- 18 Years and older
- 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
- Jan 3, 2021
- Primary completion
- Jul 6, 2023
- Completion
- Jul 30, 2026
- Last update posted
- Mar 30, 2026
2021 – 2026
United States locations
- U.S. sites
- 5
- U.S. states
- 5
- U.S. cities
- 5
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| University of Illinois at Chicago | Chicago | Illinois | 60612 | — |
| University of Maryland | Baltimore | Maryland | 21201 | — |
| University of Michigan | Ann Arbor | Michigan | 48109 | — |
| Rutgers School of Dental Medicine | Newark | New Jersey | 07101 | — |
| University of Rochester | Rochester | New York | 14620 | — |
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 NCT04452344, 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 Mar 30, 2026 · Synced May 4, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04452344 live on ClinicalTrials.gov.