Clinical trials
Phase 2 Opioid-Related Disorders trials in the United States
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
190 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 2 |
| 2001 | 2 |
| 2002 | 4 |
| 2003 | 1 |
| 2004 | 6 |
| 2005 | 7 |
| 2006 | 5 |
| 2007 | 5 |
| 2008 | 6 |
| 2009 | 1 |
| 2010 | 4 |
| 2012 | 6 |
| 2013 | 5 |
| 2014 | 1 |
| 2015 | 5 |
| 2017 | 2 |
| 2018 | 3 |
| 2019 | 6 |
| 2020 | 6 |
| 2021 | 10 |
| 2022 | 11 |
| 2023 | 4 |
| 2024 | 9 |
| 2025 | 9 |
| 2026 | 9 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 126 |
| Recruiting | 22 |
| Withdrawn | 16 |
| Terminated | 15 |
| Not yet recruiting | 4 |
| Unknown status | 4 |
| Active, not recruiting | 3 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| National Institute on Drug Abuse (NIDA) | 34 |
| Yale University | 21 |
| New York State Psychiatric Institute | 14 |
| Johns Hopkins University | 13 |
| University of Vermont | 8 |
| University of Chicago | 7 |
| University of Colorado, Denver | 7 |
| Brigham and Women's Hospital | 6 |
| Indivior Inc. | 6 |
| University of Pennsylvania | 5 |
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 | 190 |
| Substance-Related Disorders | 34 |
| Heroin Dependence | 15 |
| Chronic Pain | 11 |
| Cocaine-Related Disorders | 10 |
| Pain | 7 |
| Agnosia | 5 |
| HIV Infections | 4 |
| Narcotic-Related Disorders | 4 |
| Acquired Immunodeficiency Syndrome | 3 |
Trials
Showing 1 to 25 of 190. Each trial links to its page on Pharma Observatory.
90 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
Pharma Observatory connects clinical trials, sponsors, sites and investigators in one searchable platform.