Clinical trials
Phase 4 Opioid-Related Disorders trials in the United States
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
78 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2005 | 6 |
| 2007 | 1 |
| 2008 | 2 |
| 2009 | 2 |
| 2011 | 2 |
| 2012 | 1 |
| 2013 | 6 |
| 2014 | 2 |
| 2016 | 1 |
| 2017 | 3 |
| 2018 | 7 |
| 2019 | 8 |
| 2020 | 7 |
| 2021 | 2 |
| 2022 | 4 |
| 2023 | 6 |
| 2024 | 5 |
| 2025 | 3 |
| 2026 | 7 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 38 |
| Recruiting | 13 |
| Terminated | 9 |
| Withdrawn | 8 |
| Not yet recruiting | 3 |
| Enrolling by invitation | 2 |
| Unknown status | 2 |
| Active, not recruiting | 2 |
| Suspended | 1 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Yale University | 8 |
| NYU Langone Health | 7 |
| Indivior Inc. | 4 |
| State University of New York at Buffalo | 4 |
| Albert Einstein College of Medicine | 2 |
| Brigham and Women's Hospital | 2 |
| Duke University | 2 |
| Friends Research Institute, Inc. | 2 |
| Montefiore Medical Center | 2 |
| The University of Texas Health Science Center, Houston | 2 |
Top conditions
MeSH conditions the trials were registered with, not their broader categories. A condition with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Opioid-Related Disorders | 78 |
| Substance-Related Disorders | 13 |
| Pain | 8 |
| Chronic Pain | 6 |
| HIV Infections | 5 |
| Acquired Immunodeficiency Syndrome | 4 |
| Agnosia | 3 |
| Postoperative Pain | 3 |
| Back Pain | 2 |
| Hepatitis C | 2 |
Trials
Showing 1 to 25 of 78. Each trial links to its page on Pharma Observatory.
Recently changed trials
Changes observed in the last 7 days, newest first, site-count changes left out. Source: ClinicalTrials.gov.
Go deeper on Pharma Observatory
Pharma Observatory connects clinical trials, sponsors, sites and investigators in one searchable platform.