Clinical trials
Observational Anemia, Sickle Cell trials in the United States
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
167 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2001 | 1 |
| 2002 | 1 |
| 2004 | 1 |
| 2005 | 7 |
| 2006 | 3 |
| 2007 | 5 |
| 2008 | 7 |
| 2009 | 8 |
| 2010 | 7 |
| 2011 | 7 |
| 2012 | 15 |
| 2013 | 5 |
| 2014 | 9 |
| 2015 | 7 |
| 2016 | 4 |
| 2017 | 11 |
| 2018 | 13 |
| 2019 | 9 |
| 2020 | 8 |
| 2021 | 10 |
| 2022 | 12 |
| 2023 | 2 |
| 2024 | 11 |
| 2025 | 3 |
| 2026 | 1 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 107 |
| Recruiting | 25 |
| Active, not recruiting | 10 |
| Terminated | 9 |
| Unknown status | 7 |
| Enrolling by invitation | 6 |
| Withdrawn | 3 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| St. Jude Children's Research Hospital | 23 |
| National Heart, Lung, and Blood Institute (NHLBI) | 20 |
| Children's Hospital Medical Center, Cincinnati | 6 |
| Duke University | 6 |
| Emory University | 4 |
| National Human Genome Research Institute (NHGRI) | 4 |
| University Hospitals Cleveland Medical Center | 4 |
| University of California, San Francisco | 4 |
| Vanderbilt University Medical Center | 4 |
| Ann & Robert H Lurie Children's Hospital of Chicago | 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 |
|---|---|
| Anemia, Sickle Cell | 167 |
| Thalassemia | 13 |
| beta-Thalassemia | 11 |
| Sickle Cell Trait | 9 |
| Hypertension, Pulmonary | 8 |
| Pain | 8 |
| Hemoglobinopathies | 7 |
| Diabetes Mellitus | 6 |
| Neoplasms | 6 |
| Asthma | 5 |
Trials
Showing 1 to 25 of 167. Each trial links to its page on Pharma Observatory.
67 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.
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