Clinical trials
Phase 3 Anemia, Sickle Cell trials in the United States
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
50 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 1 |
| 2004 | 1 |
| 2005 | 3 |
| 2006 | 4 |
| 2007 | 1 |
| 2009 | 1 |
| 2010 | 3 |
| 2011 | 1 |
| 2012 | 1 |
| 2013 | 2 |
| 2015 | 4 |
| 2016 | 1 |
| 2018 | 2 |
| 2019 | 5 |
| 2020 | 3 |
| 2021 | 5 |
| 2022 | 4 |
| 2024 | 1 |
| 2025 | 4 |
| 2026 | 3 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Terminated | 20 |
| Completed | 15 |
| Recruiting | 7 |
| Active, not recruiting | 5 |
| Not yet recruiting | 2 |
| Enrolling by invitation | 1 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Pfizer | 8 |
| Novartis Pharmaceuticals | 3 |
| Vertex Pharmaceuticals Incorporated | 3 |
| Children's Hospital Medical Center, Cincinnati | 2 |
| Icagen | 2 |
| Mast Therapeutics, Inc. | 2 |
| Novo Nordisk A/S | 2 |
| Sanofi | 2 |
| Abigail Nixon | 1 |
| Agios Pharmaceuticals, 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 |
|---|---|
| Anemia, Sickle Cell | 50 |
| Vaso-Occlusive Crises | 17 |
| Hematologic Diseases | 11 |
| Sickle Cell Trait | 5 |
| Hemoglobinopathies | 4 |
| Thalassemia | 4 |
| Agnosia | 3 |
| Genetic Diseases, Inborn | 3 |
| Pain | 3 |
| Anemia | 2 |
Trials
Showing 1 to 25 of 50. 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.
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