An Open Label, Observational, Prospective Registry of Participants With Sickle Cell Disease (SCD) Treated With Oxbryta® (Voxelotor)

About the study

This registry is an observational study designed to evaluate the effect of Oxbryta in individuals with SCD in a real-world setting.

Study point of contact

Michelle Xu, MD
[email protected]
Cesar Cisneros
c[email protected]



Study type

Observational [Patient Registry]





participation requirements

Participants who meet all the following criteria will be eligible for enrollment:

Willing and able to provide written informed consent (aged ≥ 18 years), parental/ guardian consent and participant assent (aged ≥ 12 to <18 years) per local regulations, or pediatric participants (aged 4 to <12 years) with parental/guardian consent per Institutional Review Board (IRB) policy and requirements, consistent with ICH guidelines Male or female participants with documented diagnosis of sickle cell disease (all genotypes) Undergoing treatment with Oxbryta according to the Oxbryta USPI

participation restrictions

Participants meeting any of the following criteria will not be eligible for study enrollment:

Current participation in an investigation clinical trial or expanded access program, in which the participant may be receiving voxelotor treatment.
Medical, psychological, or behavioral condition that, in the opinion of the study doctor, would confound or interfere with evaluation of safety and/or effectiveness of the study drug, prevent compliance with the study protocol; preclude informed consent; or render the participant unable/unlikely to comply with the study procedures

Last updated 2022-12-15