Clinical trials
Substance-Related Disorders trials in the United States
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
1,581 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 5 |
| 2001 | 15 |
| 2002 | 13 |
| 2003 | 32 |
| 2004 | 50 |
| 2005 | 49 |
| 2006 | 49 |
| 2007 | 41 |
| 2008 | 50 |
| 2009 | 63 |
| 2010 | 64 |
| 2011 | 60 |
| 2012 | 59 |
| 2013 | 52 |
| 2014 | 52 |
| 2015 | 59 |
| 2016 | 44 |
| 2017 | 74 |
| 2018 | 56 |
| 2019 | 66 |
| 2020 | 69 |
| 2021 | 70 |
| 2022 | 76 |
| 2023 | 77 |
| 2024 | 75 |
| 2025 | 80 |
| 2026 | 93 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 1,115 |
| Recruiting | 170 |
| Unknown status | 73 |
| Active, not recruiting | 61 |
| Terminated | 51 |
| Not yet recruiting | 45 |
| Withdrawn | 43 |
| Enrolling by invitation | 16 |
| Suspended | 7 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| National Institute on Drug Abuse (NIDA) | 92 |
| Yale University | 61 |
| VA Office of Research and Development | 60 |
| Medical University of South Carolina | 46 |
| University of California, Los Angeles | 46 |
| Johns Hopkins University | 38 |
| University of Washington | 27 |
| University of California, San Francisco | 25 |
| University of Chicago | 25 |
| Massachusetts General Hospital | 24 |
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 | 1,581 |
| Opioid-Related Disorders | 200 |
| Alcoholism | 148 |
| Stress Disorders, Post-Traumatic | 101 |
| Anxiety Disorders | 79 |
| Cocaine-Related Disorders | 75 |
| Acquired Immunodeficiency Syndrome | 67 |
| Mental Disorders | 67 |
| HIV Infections | 66 |
| Marijuana Abuse | 47 |
Trials
Showing 1 to 25 of 1,581. Each trial links to its page on Pharma Observatory.
1,481 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.