Clinical Trial Finder

Hundreds of clinical trials are rolled out around the world monthly, and many of them are designed to specifically uncover and manage the medical needs of people with sickle cell disease and trait. We keep an updated list of these global studies here, so you don’t have to go searching for them. There might be active study recruitment and enrollment happening at a site near you. Explore the list below to see the different types of studies, and use the navigation options on the left to get as specific as you would like.

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A Phase 2/3 Randomized, Multicenter Study of GBT021601 Administered Orally to Participants With Sickle Cell Disease and an Open-Label Pharmacokinetics Study in Pediatric Participants With Sickle Cell Disease

The purpose of this study is to evaluate the safety, tolerability, efficacy, pharmacokinetics and pharmacodynamics of GBT021601.


915 United States sites

150 Nigeria sites

50 Kenya sites

28 Lebanon sites


6 Months - 65 Years


Phase 2/Phase 3

An Adaptive, Randomized, Placebo-controlled, Double-blind, Multi-center Study of Oral Etavopivat, a Pyruvate Kinase Activator in Patients With Sickle Cell Disease (HIBISCUS)

This clinical trial is a Phase 2/3 study that will evaluate the efficacy and safety of etavopivat and test how well etavopivat works compared to placebo to improve the amount of hemoglobin in the blood and to reduce the number of vaso-occlusive crises (times when the blood vessels become blocked and cause pain).


3505 United States sites

472 United Kingdom sites

330 Spain sites

329 France sites

263 Italy sites

261 Greece site

198 Canada sites

136 Oman sites

132 Germany sites

131 Lebanon site


12 Years - 65 Years


Phase 2/Phase 3