Clinical trials
Suspended Phase 1 trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
220 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2004 | 2 |
| 2005 | 2 |
| 2006 | 5 |
| 2007 | 5 |
| 2008 | 5 |
| 2009 | 6 |
| 2010 | 5 |
| 2011 | 5 |
| 2012 | 7 |
| 2013 | 5 |
| 2014 | 3 |
| 2015 | 3 |
| 2016 | 2 |
| 2017 | 4 |
| 2018 | 6 |
| 2019 | 7 |
| 2020 | 19 |
| 2021 | 18 |
| 2022 | 15 |
| 2023 | 16 |
| 2024 | 27 |
| 2025 | 28 |
| 2026 | 19 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Suspended | 220 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| City of Hope Medical Center | 12 |
| National Cancer Institute (NCI) | 8 |
| M.D. Anderson Cancer Center | 5 |
| Wondercel Biotech (ShenZhen) | 5 |
| AstraZeneca | 4 |
| Boehringer Ingelheim | 4 |
| Piramal Enterprises Limited | 4 |
| Azidus Brasil | 3 |
| H. Lee Moffitt Cancer Center and Research Institute | 3 |
| Northwell Health | 3 |
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 |
|---|---|
| Leukemia, Myeloid, Acute | 13 |
| Neoplasms | 12 |
| Breast Neoplasms | 8 |
| Colorectal Neoplasms | 8 |
| Lung Neoplasms | 8 |
| Melanoma | 8 |
| Myelodysplastic Syndromes | 8 |
| Ovarian Neoplasms | 8 |
| Carcinoma, Renal Cell | 7 |
| Neoplasm Metastasis | 7 |
Trials
Showing 76 to 100 of 220. Each trial links to its page on Pharma Observatory.
120 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.
Go deeper on Pharma Observatory
Pharma Observatory connects clinical trials, sponsors, sites and investigators in one searchable platform.