Clinical trials
Substance-Related Disorders trials in the United States with no applicable phase
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
951 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 1 |
| 2001 | 4 |
| 2002 | 2 |
| 2003 | 11 |
| 2004 | 16 |
| 2005 | 20 |
| 2006 | 20 |
| 2007 | 10 |
| 2008 | 25 |
| 2009 | 14 |
| 2010 | 28 |
| 2011 | 35 |
| 2012 | 32 |
| 2013 | 37 |
| 2014 | 33 |
| 2015 | 43 |
| 2016 | 29 |
| 2017 | 60 |
| 2018 | 45 |
| 2019 | 48 |
| 2020 | 51 |
| 2021 | 49 |
| 2022 | 65 |
| 2023 | 64 |
| 2024 | 58 |
| 2025 | 66 |
| 2026 | 65 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 625 |
| Recruiting | 138 |
| Active, not recruiting | 54 |
| Unknown status | 42 |
| Not yet recruiting | 29 |
| Terminated | 25 |
| Withdrawn | 22 |
| Enrolling by invitation | 12 |
| Suspended | 4 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| VA Office of Research and Development | 51 |
| Yale University | 31 |
| University of California, Los Angeles | 27 |
| Medical University of South Carolina | 22 |
| University of California, San Francisco | 20 |
| University of Washington | 20 |
| University of Michigan | 19 |
| Johns Hopkins University | 17 |
| UConn Health | 17 |
| Johns Hopkins Bloomberg School of Public Health | 16 |
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 | 951 |
| Opioid-Related Disorders | 97 |
| Alcoholism | 76 |
| Stress Disorders, Post-Traumatic | 76 |
| Anxiety Disorders | 57 |
| Acquired Immunodeficiency Syndrome | 50 |
| Mental Disorders | 42 |
| HIV Infections | 34 |
| Tobacco Use Disorder | 22 |
| Hepatitis C | 21 |
Trials
Showing 1 to 25 of 951. Each trial links to its page on Pharma Observatory.
851 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.