Clinical trials
Observational Opioid-Related Disorders trials in the United States
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
122 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 1 |
| 2002 | 1 |
| 2003 | 2 |
| 2005 | 7 |
| 2006 | 2 |
| 2007 | 2 |
| 2008 | 3 |
| 2009 | 2 |
| 2010 | 3 |
| 2011 | 2 |
| 2012 | 1 |
| 2013 | 1 |
| 2014 | 4 |
| 2015 | 3 |
| 2016 | 5 |
| 2017 | 4 |
| 2018 | 10 |
| 2019 | 13 |
| 2020 | 9 |
| 2021 | 7 |
| 2022 | 4 |
| 2023 | 10 |
| 2024 | 7 |
| 2025 | 10 |
| 2026 | 6 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 78 |
| Recruiting | 19 |
| Unknown status | 7 |
| Terminated | 5 |
| Active, not recruiting | 4 |
| Not yet recruiting | 3 |
| Enrolling by invitation | 3 |
| Withdrawn | 2 |
| Suspended | 1 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Yale University | 11 |
| Wayne State University | 8 |
| National Institute on Drug Abuse (NIDA) | 6 |
| Indivior Inc. | 5 |
| University of Pittsburgh | 5 |
| NYU Langone Health | 4 |
| Boston Medical Center | 3 |
| Senthil Sadhasivam | 3 |
| University of California, Los Angeles | 3 |
| Cambridge Health Alliance | 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 | 122 |
| Substance-Related Disorders | 24 |
| Alcoholism | 9 |
| Heroin Dependence | 9 |
| Narcotic-Related Disorders | 7 |
| Cocaine-Related Disorders | 6 |
| HIV Infections | 6 |
| Opiate Overdose | 5 |
| Postoperative Pain | 5 |
| Neonatal Abstinence Syndrome | 4 |
Trials
Showing 1 to 25 of 122. Each trial links to its page on Pharma Observatory.
22 more trials match. See them 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
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