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Blinatumomab for minimal residual disease before hematopoietic stem cell transplantation in pediatric B-cell precursor

Not Applicable
Conditions
Neoplasms
Registration Number
KCT0006135
Lead Sponsor
Seoul National University Hospital
Brief Summary

Not available

Detailed Description

Not available

Recruitment & Eligibility

Status
ot yet recruiting
Sex
All
Target Recruitment
20
Inclusion Criteria

1. Immunophenotypic evidence of Cluster of Differentiation 19 (CD19) positive B precursor ALL
2. Age =18 years at the time of informed consent/assent
3. B cell precursor ALL in first or later hematologic complete remission (CR) defined as less than 5% blasts in bone marrow after at least three intense chemotherapy blocks
4. Confirmed MRD positivity before hematopoietic stem cell transplantation
5. Bone marrow function as defined below [Absolute neutrophil count =1,000/µL, Platelets =50,000/µL (transfusion permitted), Hemoglobin level =9 g/dL (transfusion permitted]
6. Renal and hepatic function as defined below (AST, ALT, and AP < 2 x upper limit of normal (ULN), Total bilirubin <1.5 x ULN, Creatinine clearance =50mL/min)
7. Negative HIV test, negative hepatitis B (HBsAg) and hepatitis C virus (anti-HCV) test
8. Negative pregnancy test in women of childbearing potential
9. Performance status: Karnofsky or Lansky score =70 for subjects =16 years old or <16 years old, respectively

Exclusion Criteria

1. Presence of circulating blasts or current extramedullary involvement by ALL
2. History of relevant CNs pathology or current relevant CNS pathology (e.g. seizure, epilepsy, paresis, aphasia, stroke, severe brain injuries, dementia, cerebellar disease, organic brain syndrome, psychosis) with the except of CNS leukemia that is well controlled with intrathecal therapy
3. Current infiltration of cerebrospinal fluid by ALL
4. History of or active relevant autoimmune disease
5.Systemic cancer chemotherapy within 2 weeks prior to study treatment (except for intrathecal prophylaxis)
6.Radiotherapy within 4 weeks prior to study treatment
7.Autologous HSCT within six weeks prior to study treatment
8.Therapy with monoclonal antibodies (rituximab, alemtuzumab) within 4 weeks prior to study treatment
9.Treatment with any investigational product within 4 weeks prior to study treatment
10.Known hypersensitivity to immunoglobulins or to any other component of the study drug formulation
11.Active malignancy other than ALL with the exception of basal cell or squamous cell carcinoma of the skin, or carcinoma in situ” of the cervix
12.Active infection, any other concurrent disease or medical condition that are deemed to interfere with the conduct of the study as judged by the investigator

Study & Design

Study Type
Interventional Study
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
The incidence of treatment-emergent and treatment-related adverse events
Secondary Outcome Measures
NameTimeMethod
Complete MRD response status after 1 cycle of blinatumomab;Hematologic Relapse-Free Survival (RFS);Overall Survival (OS)
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