Clinical trials
Phase 1 Anemia, Sickle Cell trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
119 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 1 |
| 2001 | 1 |
| 2003 | 2 |
| 2004 | 3 |
| 2005 | 3 |
| 2006 | 3 |
| 2007 | 1 |
| 2008 | 1 |
| 2009 | 2 |
| 2010 | 6 |
| 2011 | 3 |
| 2012 | 5 |
| 2013 | 6 |
| 2014 | 5 |
| 2015 | 10 |
| 2016 | 4 |
| 2017 | 5 |
| 2018 | 7 |
| 2019 | 6 |
| 2020 | 8 |
| 2021 | 6 |
| 2022 | 6 |
| 2023 | 5 |
| 2024 | 6 |
| 2025 | 7 |
| 2026 | 6 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 69 |
| Terminated | 14 |
| Recruiting | 13 |
| Withdrawn | 8 |
| Active, not recruiting | 6 |
| Not yet recruiting | 5 |
| Unknown status | 4 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| National Heart, Lung, and Blood Institute (NHLBI) | 11 |
| Pfizer | 6 |
| Emory University | 5 |
| St. Jude Children's Research Hospital | 5 |
| City of Hope Medical Center | 4 |
| Global Blood Therapeutics | 4 |
| Fulcrum Therapeutics | 3 |
| National Institutes of Health Clinical Center (CC) | 3 |
| University of Mississippi Medical Center | 3 |
| AstraZeneca | 2 |
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 | 119 |
| beta-Thalassemia | 9 |
| Thalassemia | 8 |
| Hematologic Diseases | 6 |
| Hemoglobinopathies | 6 |
| Hemoglobin SC Disease | 5 |
| Hypertension, Pulmonary | 5 |
| Sickle Cell Trait | 5 |
| Vaso-Occlusive Crises | 5 |
| Acute Chest Syndrome | 4 |
Trials
Showing 26 to 50 of 119. Each trial links to its page on Pharma Observatory.
19 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.
Go deeper on Pharma Observatory
Pharma Observatory connects clinical trials, sponsors, sites and investigators in one searchable platform.