The goal of this clinical study is to compare the study drug KITE-753 versus axicabtagene ciloleucel (axi-cel) in adult participants with relapsed or refractory (r/r) large B-cell lymphoma (LBCL) after one prior line of therapy.

The primary objective of this study is to evaluate the efficacy of KITE-753 versus axicabtagene ciloleucel.

The goal of this clinical study is to learn more about the safety and effectiveness of the study drugs, KITE-363 and KITE-753, in participants with relapsed and/or refractory B-cell lymphoma.