Clinical trials
Phase 1 Schizophrenia trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
335 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2002 | 2 |
| 2003 | 9 |
| 2004 | 12 |
| 2005 | 10 |
| 2006 | 13 |
| 2007 | 19 |
| 2008 | 17 |
| 2009 | 25 |
| 2010 | 13 |
| 2011 | 18 |
| 2012 | 17 |
| 2013 | 22 |
| 2014 | 20 |
| 2015 | 14 |
| 2016 | 11 |
| 2017 | 9 |
| 2018 | 13 |
| 2019 | 9 |
| 2020 | 10 |
| 2021 | 17 |
| 2022 | 14 |
| 2023 | 9 |
| 2024 | 12 |
| 2025 | 10 |
| 2026 | 7 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 272 |
| Terminated | 20 |
| Unknown status | 16 |
| Recruiting | 11 |
| Withdrawn | 7 |
| Not yet recruiting | 5 |
| Active, not recruiting | 4 |
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. | 28 |
| GlaxoSmithKline | 15 |
| Wyeth is now a wholly owned subsidiary of Pfizer | 11 |
| Yale University | 11 |
| Luye Pharma Group Ltd. | 9 |
| Pfizer | 8 |
| Merck Sharp & Dohme LLC | 7 |
| Sumitomo Pharma America, Inc. | 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 | 335 |
| Psychotic Disorders | 68 |
| Mood Disorders | 23 |
| Bipolar Disorder | 15 |
| Mental Disorders | 11 |
| Cognitive Dysfunction | 6 |
| Schizophrenia Spectrum and Other Psychotic Disorders | 6 |
| Cognition Disorders | 5 |
| Alzheimer Disease | 4 |
| Major Depressive Disorder | 4 |
Trials
Showing 51 to 75 of 335. Each trial links to its page on Pharma Observatory.
235 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.
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