Clinical trials
Completed Substance-Related Disorders trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
1,458 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 7 |
| 2001 | 14 |
| 2002 | 12 |
| 2003 | 34 |
| 2004 | 54 |
| 2005 | 48 |
| 2006 | 53 |
| 2007 | 45 |
| 2008 | 61 |
| 2009 | 62 |
| 2010 | 72 |
| 2011 | 58 |
| 2012 | 66 |
| 2013 | 56 |
| 2014 | 66 |
| 2015 | 71 |
| 2016 | 56 |
| 2017 | 87 |
| 2018 | 76 |
| 2019 | 71 |
| 2020 | 66 |
| 2021 | 72 |
| 2022 | 60 |
| 2023 | 49 |
| 2024 | 42 |
| 2025 | 21 |
| 2026 | 4 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 1,458 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| National Institute on Drug Abuse (NIDA) | 77 |
| Yale University | 52 |
| VA Office of Research and Development | 42 |
| Medical University of South Carolina | 36 |
| University of California, Los Angeles | 36 |
| Johns Hopkins University | 34 |
| University of Washington | 24 |
| University of Chicago | 22 |
| New York State Psychiatric Institute | 18 |
| University of California, San Francisco | 18 |
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 | 1,458 |
| Opioid-Related Disorders | 158 |
| Alcoholism | 118 |
| Stress Disorders, Post-Traumatic | 85 |
| Anxiety Disorders | 75 |
| Cocaine-Related Disorders | 74 |
| Mental Disorders | 65 |
| HIV Infections | 64 |
| Acquired Immunodeficiency Syndrome | 63 |
| Marijuana Abuse | 33 |
Trials
Showing 26 to 50 of 1,458. Each trial links to its page on Pharma Observatory.
1,358 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.