Clinical trials
Completed Substance-Related Disorders trials in the United States
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
1,115 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 5 |
| 2001 | 13 |
| 2002 | 11 |
| 2003 | 28 |
| 2004 | 46 |
| 2005 | 42 |
| 2006 | 49 |
| 2007 | 33 |
| 2008 | 45 |
| 2009 | 53 |
| 2010 | 61 |
| 2011 | 49 |
| 2012 | 53 |
| 2013 | 42 |
| 2014 | 45 |
| 2015 | 53 |
| 2016 | 37 |
| 2017 | 67 |
| 2018 | 46 |
| 2019 | 54 |
| 2020 | 52 |
| 2021 | 49 |
| 2022 | 36 |
| 2023 | 34 |
| 2024 | 28 |
| 2025 | 12 |
| 2026 | 3 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 1,115 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| National Institute on Drug Abuse (NIDA) | 72 |
| Yale University | 50 |
| VA Office of Research and Development | 42 |
| Medical University of South Carolina | 36 |
| Johns Hopkins University | 32 |
| University of California, Los Angeles | 31 |
| University of Washington | 21 |
| University of Chicago | 20 |
| Baylor College of Medicine | 17 |
| University of Michigan | 17 |
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 |
|---|---|
| Substance-Related Disorders | 1,115 |
| Opioid-Related Disorders | 133 |
| Alcoholism | 93 |
| Stress Disorders, Post-Traumatic | 76 |
| Cocaine-Related Disorders | 67 |
| Anxiety Disorders | 54 |
| HIV Infections | 54 |
| Acquired Immunodeficiency Syndrome | 51 |
| Mental Disorders | 49 |
| Marijuana Abuse | 30 |
Trials
Showing 1 to 25 of 1,115. Each trial links to its page on Pharma Observatory.
1,015 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.