| Terminated | 1/2 | 12 | Europe | Selumetinib, AZD6244, Dexamethasone | University of Birmingham, Cancer Research UK, AstraZeneca | Acute Lymphoblastic Leukemia, Acute Lymphoblastic Leukemia, Adult, Acute Lymphoblastic Leukemia, Pediatric, Acute Lymphoblastic Leukemia, in Relapse, Acute Lymphoblastic Leukemia Recurrent | 05/23 | 05/23 | | |