Clinical trials
Suspended Phase 1/2 trials in the United States
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
66 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2001 | 1 |
| 2006 | 3 |
| 2008 | 1 |
| 2010 | 1 |
| 2011 | 1 |
| 2012 | 3 |
| 2013 | 1 |
| 2014 | 1 |
| 2015 | 1 |
| 2016 | 4 |
| 2017 | 3 |
| 2018 | 2 |
| 2019 | 4 |
| 2020 | 2 |
| 2021 | 8 |
| 2022 | 7 |
| 2023 | 6 |
| 2024 | 5 |
| 2025 | 7 |
| 2026 | 5 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Suspended | 66 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| National Cancer Institute (NCI) | 5 |
| M.D. Anderson Cancer Center | 3 |
| City of Hope Medical Center | 2 |
| Healeon Medical Inc | 2 |
| University of Chicago | 2 |
| ARCA Biopharma, Inc. | 1 |
| Alliance for Clinical Trials in Oncology | 1 |
| Anaeropharma Science, Inc. | 1 |
| Ascend Biopharmaceuticals Ltd | 1 |
| Ascentage Pharma Group Inc. | 1 |
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 |
|---|---|
| Neoplasms | 6 |
| Multiple Myeloma | 5 |
| Myelodysplastic Syndromes | 4 |
| Pancreatic Neoplasms | 4 |
| Brain Neoplasms | 3 |
| Carcinoma, Non-Small-Cell Lung | 3 |
| Glioblastoma | 3 |
| Melanoma | 3 |
| Schizophrenia | 3 |
| Adenocarcinoma | 2 |
Trials
Showing 1 to 25 of 66. 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.
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.