P1472: INTERIM RESULTS OF SAFETY, TOLERABILITY, PHARMACOKINETICS, AND PHARMACODYNAMICS FROM AN ONGOING OPEN-LABEL STUDY INVESTIGATING FTX-6058 IN ADULTS LIVING WITH SICKLE CELL DISEASE. (23rd June 2022) - Bruno, P.; Kanter, J.; Ziegler, J.; Stuart, B.; Ahn, J.; Dunn, J.; Allen, G.; Morabito, C.