Overview Cladribine Combined With G-CSF and Cytarabine as a Salvage Treatment in R/R ALL Status: Recruiting Trial end date: 2024-12-31 Target enrollment: Participant gender: Summary To explore the efficiency and safety of CLAG regimen in R/R ALL Phase: Phase 2/Phase 3 Details Lead Sponsor: The First Affiliated Hospital of Soochow UniversityCollaborators: Suzhou Municipal HospitalThe First People's Hospital of ChangzhouZhongda HospitalTreatments: CladribineCytarabineFludarabineMethotrexate