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Related Parties Transaction
 6 Months Ended
Jun. 30, 2022
Related Party Transactions [Abstract]  
Related Parties Transaction

11. Related Parties Transaction

In the six months ended June 30, 2022, we donated $0.3 million to The GBT Foundation, a California nonprofit public benefit corporation we established in August 2021. The GBT Foundation is a related party affiliate as certain of our officers also serve, without additional compensation, as directors or officers of The GBT Foundation. The purpose of The GBT Foundation is to fund programs that will support people within the sickle cell disease community and beyond through education, empowerment, improved healthcare access and enhanced health equity.