Global Blood Therapeutics, Inc., a clinical-stage biopharmaceutical company, engages in the discovery, development, and delivery of treatments for underserved patient communities. It is developing its lead product candidate, voxelotor, an oral, once-daily therapy for sickle cell disease (SCD). The company is evaluating voxelotor in SCD in a Phase III clinical trial in adult and adolescent patients with SCD. It is also evaluating the safety and pharmacokinetics of single and multiple doses of voxelotor in a Phase IIa clinical trial of adolescent and pediatric patients with SCD. Global Blood Therapeutics, Inc. was founded in 2011 and is headquartered in South San Francisco, California.