The goal of this clinical study is to learn more about the long-term safety, effectiveness
and prolonged action of Kite study drugs, axicabtagene ciloleucel, brexucabtagene autoleucel,
KITE-222, KITE-363, KITE-439, KITE-585, and KITE-718, in participants of Kite-sponsored
interventional studies.

A study to evaluate if the randomized addition of venetoclax to a chemotherapy backbone
(fludarabine/cytarabine/gemtuzumab ozogamicin [GO]) improves survival of
children/adolescents/young adults with acute myeloid leukemia (AML) in 1st relapse who are
unable to receive additional anthracyclines, or in 2nd relapse.