RecruitingCombination productStudy of AZD4512 Monotherapy or in Combination With Anticancer Agents in Participants With Acute Lymphoblastic LeukemiaThe study is intended to assess the safety, tolerability, pharmacokinetics, pharmacodynamics, and efficacy of AZD4512 in patients with relapsed/refractory B-Cell acute lymphoblastic leukemia (r/r B-ALL).