Clinical trials
Enrolling by invitation Phase 1 trials in the United States
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
74 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2011 | 1 |
| 2013 | 1 |
| 2015 | 2 |
| 2018 | 4 |
| 2020 | 3 |
| 2021 | 4 |
| 2022 | 4 |
| 2023 | 8 |
| 2024 | 18 |
| 2025 | 21 |
| 2026 | 8 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Enrolling by invitation | 74 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Northwestern University | 4 |
| Stanford University | 3 |
| Truway Health, Inc. | 3 |
| University of California, Los Angeles | 3 |
| Brigham and Women's Hospital | 2 |
| Massachusetts General Hospital | 2 |
| Mayo Clinic | 2 |
| National Institute of Allergy and Infectious Diseases (NIAID) | 2 |
| University of Texas Southwestern Medical Center | 2 |
| Washington University School of Medicine | 2 |
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 |
|---|---|
| Lupus Erythematosus, Systemic | 3 |
| Lupus Nephritis | 3 |
| Neoplasms | 3 |
| Agnosia | 2 |
| Attention Deficit Disorder with Hyperactivity | 2 |
| Diabetes Mellitus | 2 |
| Major Depressive Disorder | 2 |
| Myositis | 2 |
| Parkinson Disease | 2 |
| Postoperative Pain | 2 |
Trials
Showing 1 to 25 of 74. Each trial links to its page 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.