Clinical trials
Anemia, Sickle Cell trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
1,117 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 7 |
| 2001 | 7 |
| 2002 | 7 |
| 2003 | 5 |
| 2004 | 17 |
| 2005 | 22 |
| 2006 | 28 |
| 2007 | 20 |
| 2008 | 29 |
| 2009 | 34 |
| 2010 | 34 |
| 2011 | 28 |
| 2012 | 47 |
| 2013 | 43 |
| 2014 | 53 |
| 2015 | 51 |
| 2016 | 50 |
| 2017 | 49 |
| 2018 | 70 |
| 2019 | 49 |
| 2020 | 67 |
| 2021 | 66 |
| 2022 | 70 |
| 2023 | 52 |
| 2024 | 61 |
| 2025 | 56 |
| 2026 | 59 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 596 |
| Recruiting | 155 |
| Terminated | 122 |
| Unknown status | 85 |
| Active, not recruiting | 57 |
| Not yet recruiting | 43 |
| Withdrawn | 42 |
| Enrolling by invitation | 10 |
| Available | 3 |
| No longer available | 2 |
| Temporarily not available | 1 |
| Suspended | 1 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| National Heart, Lung, and Blood Institute (NHLBI) | 61 |
| Assistance Publique - Hôpitaux de Paris | 48 |
| St. Jude Children's Research Hospital | 45 |
| Children's Hospital Medical Center, Cincinnati | 30 |
| Emory University | 28 |
| Pfizer | 27 |
| Duke University | 25 |
| Novartis Pharmaceuticals | 22 |
| UCSF Benioff Children's Hospital Oakland | 14 |
| University of Illinois at Chicago | 14 |
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 | 1,117 |
| Vaso-Occlusive Crises | 88 |
| Thalassemia | 78 |
| beta-Thalassemia | 58 |
| Hematologic Diseases | 57 |
| Hemoglobinopathies | 54 |
| Pain | 54 |
| Anemia | 41 |
| Acute Chest Syndrome | 34 |
| Sickle Cell Trait | 28 |
Trials
Showing 26 to 50 of 1,117. Each trial links to its page on Pharma Observatory.
1,017 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.
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