Phase II Study of Post-Transplant Low-Dose Inotuzumab Ozogamicin to Prevent Relapse of Acute Lymphoblastic Leukemia

Exclusion Criteria

• •Patients with evidence of disease progression prior to enrollment
• •Persistent prior treatment toxicities Grade 2 and above according to NCI CTCAE Version 4.03 (with the exception for alopecia, neuropathy, etc.)
• •Patients with inadequate organ function and can't tolerate the study treatment determined by investigator as defined by:
• •* Severe renal deficiency, with creatinine clearance \< 50ml/min
• •* Severe hepatic deficiency
• •* Bilirubin, aspartate aminotransferase(AST), and/or ALT(ALT) \> 2X institutional upper limit of normal
• •* Severe cardiac or pulmonary deficiency
• •Graft-versus-host disease(GVHD) grade III or IV (for patients with a prior allogeneic transplant).
• •Active acute or chronic GVHD of the liver (for patients with a prior allogeneic transplant)
• •History of veno-occlusive disease(VOD)
• •Second active malignancy, other than non-melanoma skin cancer or carcinoma in situ (e.g. cervix, bladder, breast)
• •Patients with uncontrolled inter-current illness including, but not limited to ongoing or active infection, symptomatic congestive heart failure, unstable angina pectoris, cardiac arrhythmia, or psychiatric illness/social situations that would limit compliance with study requirements.
• •Serologic status reflecting active hepatitis B or C infection. Patients that are positive for hepatitis B core antibody, hepatitis B surface antigen (HBsAg), or hepatitis C antibody must have a negative polymerase chain reaction (PCR) prior to enrollment. (PCR positive patients will be excluded.)
• •Any condition that would, in the investigator's judgment, interfere with full participation in the study, including administration of study drug and attending required study visits; pose a significant risk to the participant; or interfere with interpretation of study data.
• •Known allergies, hypersensitivity, or intolerance to any of the study medications, excipients, or similar compounds