Blinatumomab Combined With Low-dose DLI as Maintenance Therapy After Transplantation for B-ALL
A Single-arm, Open-label, Phase I Clinical Study of Blinatumomab Combined With Low-dose DLI as Maintenance Therapy After Transplantation for B-ALL
1 other identifier
interventional
60
1 country
1
Brief Summary
This prospective study will be conducted in high-risk B-ALL patients post-allo-HSCT. We propose to investigate the safety and therapeutic efficacy of blinatumomab plus low-dose DLI maintenance therapy, with the ultimate goal of enhancing long-term survival outcomes.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for phase_1
Started Dec 2024
Longer than P75 for phase_1
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
December 1, 2024
CompletedFirst Submitted
Initial submission to the registry
June 16, 2026
CompletedFirst Posted
Study publicly available on registry
July 1, 2026
CompletedPrimary Completion
Last participant's last visit for primary outcome
November 30, 2028
ExpectedStudy Completion
Last participant's last visit for all outcomes
December 1, 2028
July 1, 2026
June 1, 2026
4 years
June 16, 2026
June 28, 2026
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
1 year progression-free-survival
the percentage of patients who remain alive and whose disease has not gotten relapse one full year after they started treatment.
1 year
Secondary Outcomes (4)
1 year aGVHD rate
100 days after transplantation
1 year cGVHD rate
365 days after transplantation
Nonrelapse mortality (NRM)
365 days after transplantation
Overall survival (OS)
365 days after transplantation
Study Arms (1)
BLINA+DLI
EXPERIMENTALblinatumomab 9ug d1-7, 28ug d8-14, DLI ( CD3+cell 1×10\^5/kg)
Interventions
Eligibility Criteria
You may qualify if:
- \) Voluntary participation: The participant or legal guardian fully understands this clinical study, provides informed consent (ICF), and is willing/able to comply with all trial procedures.
- \) Age: \<70 years old at screening, any gender. 3) Diagnosis: High-risk acute B-lymphoblastic leukemia (B-ALL) with MRD-negative status post-transplant. High-risk factors include:
- \>CR1 status
- Pre-transplant MRD+ status
- Ph-like subtype
- KMT2A rearrangement
- Other high-risk cytogenetic/genetic factors per ELN 2023 criteria. 4) Allergy: No history of severe allergies. 5) Liver function: ALT and AST ≤ 2.5 × ULN; Total bilirubin ≤ 2 × ULN. 6) Renal function: Serum creatinine ≤ ULN. 7) Other conditions: Absence of uncontrolled infections or severe psychiatric disorders.
- \) Performance status: ECOG score 0-3, with life expectancy ≥ 4 months. 9) MRD status: Bone marrow flow cytometry confirmed MRD-negative before enrollment.
- \) Engraftment: Evidence of myeloid and platelet engraftment. 11) GVHD: No active graft-versus-host disease (GVHD).
You may not qualify if:
- \) Drug hypersensitivity/contraindications: Patients with known allergies or contraindications to the investigational drug(s).
- \) Pregnancy/lactation: Pregnant or breastfeeding female patients. 3) Active infection/GVHD: Patients with active infection or active graft-versus-host disease (GVHD).
- \) Substance abuse: Patients with chronic heavy smoking or alcohol use that may interfere with clinical evaluation.
- \) Impaired consent/compliance: Patients unable to provide informed consent or comply with procedures due to psychiatric/neurological disorders.
- \) Recent major surgery: Patients who underwent major organ surgery within the past 6 weeks.
- \) Organ dysfunction:
- Liver: ALT or AST \> 2.5 × ULN; Total bilirubin \> 2 × ULN
- Kidney: Serum creatinine \> ULN 8) Investigator judgment: Patients deemed ineligible by investigators (e.g., poor compliance, substance abuse).
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Liping Doulead
Study Sites (1)
Chinese PLA General Hospital
Beijing, China
MeSH Terms
Interventions
Central Study Contacts
Study Design
- Study Type
- interventional
- Phase
- phase 1
- Allocation
- NA
- Masking
- NONE
- Purpose
- PREVENTION
- Intervention Model
- SINGLE GROUP
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR INVESTIGATOR
- PI Title
- director
Study Record Dates
First Submitted
June 16, 2026
First Posted
July 1, 2026
Study Start
December 1, 2024
Primary Completion (Estimated)
November 30, 2028
Study Completion (Estimated)
December 1, 2028
Last Updated
July 1, 2026
Record last verified: 2026-06
Data Sharing
- IPD Sharing
- Will not share