Clinical trials
Not yet recruiting Phase 4 trials in the United States
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
195 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2020 | 1 |
| 2024 | 5 |
| 2025 | 20 |
| 2026 | 149 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Not yet recruiting | 195 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Mayo Clinic | 7 |
| Wake Forest University Health Sciences | 7 |
| University of California, San Francisco | 6 |
| Stanford University | 5 |
| The University of Texas Health Science Center, Houston | 5 |
| Duke University | 4 |
| Oregon Health and Science University | 4 |
| University of Maryland, Baltimore | 4 |
| University of Miami | 4 |
| University of North Carolina, Chapel Hill | 4 |
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 |
|---|---|
| Postoperative Pain | 13 |
| Agnosia | 8 |
| Obesity | 5 |
| Pain | 5 |
| Colitis, Ulcerative | 4 |
| Dermatitis, Atopic | 4 |
| Diabetes Mellitus | 4 |
| Dry Eye Syndromes | 4 |
| Pre-Eclampsia | 4 |
| Schizophrenia | 4 |
Trials
Showing 1 to 25 of 195. Each trial links to its page on Pharma Observatory.
95 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.