Medications commonly used to treat childhood ALL. The medications commonly used to treat childhood ALL are also used to treat many other disorders. Genetic variants associated with drug effects, particularly adverse events, may have relevance for these other indications as well. RA indicates rheumatoid arthritis; SLE, systemic lupus erythematosus; AML, acute myeloid leukemia; UC, ulcerative colitis; ITP, idiopathic thrombocytopenia purpura; and CA, cancer.