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| Withdrawn | 42 |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 1 to 25 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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