Clinical trials
Opioid-Related Disorders trials in the United States
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
1,217 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 6 |
| 2001 | 7 |
| 2002 | 6 |
| 2003 | 8 |
| 2004 | 8 |
| 2005 | 28 |
| 2006 | 20 |
| 2007 | 19 |
| 2008 | 22 |
| 2009 | 12 |
| 2010 | 20 |
| 2011 | 14 |
| 2012 | 23 |
| 2013 | 24 |
| 2014 | 19 |
| 2015 | 30 |
| 2016 | 33 |
| 2017 | 43 |
| 2018 | 51 |
| 2019 | 86 |
| 2020 | 94 |
| 2021 | 104 |
| 2022 | 83 |
| 2023 | 84 |
| 2024 | 86 |
| 2025 | 89 |
| 2026 | 86 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 758 |
| Recruiting | 176 |
| Terminated | 70 |
| Active, not recruiting | 65 |
| Unknown status | 44 |
| Withdrawn | 44 |
| Not yet recruiting | 39 |
| Enrolling by invitation | 17 |
| Suspended | 4 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Yale University | 97 |
| National Institute on Drug Abuse (NIDA) | 73 |
| New York State Psychiatric Institute | 41 |
| Johns Hopkins University | 38 |
| University of Pennsylvania | 30 |
| Indivior Inc. | 24 |
| NYU Langone Health | 23 |
| University of California, Los Angeles | 21 |
| Friends Research Institute, Inc. | 20 |
| University of Chicago | 20 |
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 | 1,217 |
| Substance-Related Disorders | 200 |
| Chronic Pain | 86 |
| Heroin Dependence | 47 |
| Pain | 42 |
| Cocaine-Related Disorders | 38 |
| Drug Overdose | 29 |
| Alcoholism | 28 |
| Stress Disorders, Post-Traumatic | 25 |
| Anxiety Disorders | 24 |
Trials
Showing 51 to 75 of 1,217. Each trial links to its page on Pharma Observatory.
1,117 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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