Clinical trials
Phase 1 Opioid-Related Disorders trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
148 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2005 | 1 |
| 2006 | 2 |
| 2008 | 3 |
| 2009 | 1 |
| 2010 | 6 |
| 2011 | 7 |
| 2012 | 6 |
| 2013 | 5 |
| 2014 | 2 |
| 2015 | 6 |
| 2016 | 4 |
| 2017 | 8 |
| 2018 | 8 |
| 2019 | 6 |
| 2020 | 8 |
| 2021 | 7 |
| 2022 | 11 |
| 2023 | 13 |
| 2024 | 10 |
| 2025 | 7 |
| 2026 | 14 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 96 |
| Recruiting | 17 |
| Terminated | 11 |
| Unknown status | 8 |
| Withdrawn | 6 |
| Not yet recruiting | 5 |
| Active, not recruiting | 5 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| National Institute on Drug Abuse (NIDA) | 22 |
| Yale University | 8 |
| Indivior Inc. | 7 |
| USWM, LLC (dba US WorldMeds) | 5 |
| Medical University of South Carolina | 4 |
| Pfizer | 4 |
| University of California, San Francisco | 4 |
| AstraZeneca | 3 |
| Johns Hopkins University | 3 |
| New York State Psychiatric Institute | 3 |
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 | 148 |
| Chronic Pain | 14 |
| Substance-Related Disorders | 13 |
| Pain | 7 |
| Acute Pain | 4 |
| Anxiety Disorders | 4 |
| Postoperative Pain | 4 |
| Cocaine-Related Disorders | 3 |
| Drug Overdose | 3 |
| Marijuana Abuse | 3 |
Trials
Showing 51 to 75 of 148. Each trial links to its page on Pharma Observatory.
48 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.
No changes to these trials in the last 7 days.
Go deeper on Pharma Observatory
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