Clinical trials
Completed Phase 1 Schizophrenia trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
272 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2002 | 1 |
| 2003 | 9 |
| 2004 | 12 |
| 2005 | 9 |
| 2006 | 12 |
| 2007 | 18 |
| 2008 | 13 |
| 2009 | 21 |
| 2010 | 12 |
| 2011 | 16 |
| 2012 | 16 |
| 2013 | 18 |
| 2014 | 19 |
| 2015 | 12 |
| 2016 | 10 |
| 2017 | 6 |
| 2018 | 11 |
| 2019 | 8 |
| 2020 | 8 |
| 2021 | 14 |
| 2022 | 7 |
| 2023 | 6 |
| 2024 | 8 |
| 2025 | 3 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 272 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Johnson & Johnson Pharmaceutical Research & Development, L.L.C. | 31 |
| Otsuka Pharmaceutical Development & Commercialization, Inc. | 26 |
| GlaxoSmithKline | 13 |
| Yale University | 9 |
| Pfizer | 8 |
| Luye Pharma Group Ltd. | 7 |
| Merck Sharp & Dohme LLC | 7 |
| Sumitomo Pharma America, Inc. | 6 |
| Wyeth is now a wholly owned subsidiary of Pfizer | 6 |
| Biogen | 5 |
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 |
|---|---|
| Schizophrenia | 272 |
| Psychotic Disorders | 57 |
| Mood Disorders | 23 |
| Bipolar Disorder | 11 |
| Mental Disorders | 8 |
| Schizophrenia Spectrum and Other Psychotic Disorders | 6 |
| Cognitive Dysfunction | 5 |
| Alzheimer Disease | 3 |
| Cognition Disorders | 3 |
| Depressive Disorder | 2 |
Trials
Showing 1 to 25 of 272. Each trial links to its page on Pharma Observatory.
172 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
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