Clinical trials
Completed Observational Substance-Related Disorders trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
183 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 2 |
| 2002 | 4 |
| 2003 | 4 |
| 2004 | 3 |
| 2005 | 3 |
| 2006 | 7 |
| 2007 | 6 |
| 2008 | 7 |
| 2009 | 7 |
| 2010 | 7 |
| 2011 | 2 |
| 2012 | 5 |
| 2013 | 5 |
| 2014 | 9 |
| 2015 | 17 |
| 2016 | 7 |
| 2017 | 7 |
| 2018 | 12 |
| 2019 | 14 |
| 2020 | 11 |
| 2021 | 14 |
| 2022 | 6 |
| 2023 | 7 |
| 2024 | 5 |
| 2025 | 3 |
| 2026 | 1 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 183 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| National Institute on Drug Abuse (NIDA) | 21 |
| Member Companies of the Opioid PMR Consortium | 9 |
| Nantes University Hospital | 6 |
| Indivior Inc. | 5 |
| University Hospital, Montpellier | 5 |
| Indiana University | 4 |
| University of Colorado, Denver | 4 |
| Boston Children's Hospital | 3 |
| Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) | 3 |
| Johns Hopkins University | 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 |
|---|---|
| Substance-Related Disorders | 183 |
| Opioid-Related Disorders | 30 |
| Anxiety Disorders | 14 |
| HIV Infections | 12 |
| Mental Disorders | 10 |
| Narcotic-Related Disorders | 10 |
| Cocaine-Related Disorders | 8 |
| Schizophrenia | 8 |
| Acquired Immunodeficiency Syndrome | 7 |
| Alcoholism | 7 |
Trials
Showing 1 to 25 of 183. Each trial links to its page on Pharma Observatory.
83 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
Pharma Observatory connects clinical trials, sponsors, sites and investigators in one searchable platform.