Blinatumomab and Auto-HSCT Sandwich Strategy as Consolidation Therapy for B-ALL

Recruiting now · Phase 1

Conditions studied: B-cell Acute Lymphoblastic Leukemia

In brief

Allogeneic hematopoietic stem cell transplantation (allo-HSCT) is the main method potentially curing adult B-ALL, but the high treatment-related mortality (NRM) affects overall survival (OS). Autologous stem cell transplantation (auto-HSCT) can significantly reduce NRM but has a higher relapse rate. Studies have confirmed that achieving MRD negativity before Auto-HSCT can effectively reduce post-transplant relapse, achieving similar efficacy to allo-HSCT. The efficacy of blinatumomab in clearing MRD has been confirmed. Therefore, using blinatumomab combined with Auto-HSCT for B-ALL patients seems to make it possible to achieve benefits in leukemia free survival（LFS） and OS. The investigators first conducted blinatumomab and auto-HSCT "sandwich " strategy as consolidation therapy in patients with B-ALL. The main Purpose of this study was to observe the safety and efficacy of this new strategy.

Key facts

Study ID

NCT06507514

Run by

The First Affiliated Hospital of Soochow University

People needed

4

Starts

2024-04-01

Expected to finish

2030-04-01

Last updated by the study team

2025-11-21

Who can join

Age: 15 and older, up to 65. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• subjects with a primary diagnosis of B-ALL who have any of the following: (a) no suitable allogeneic HSCT donor. (b) refusal of allogeneic HSCT.
• positive expression of CD19 in peripheral blood or bone marrow primary cells detected by flow cytometry.
• ardiac ultrasound left ventricular ejection fraction ≥ 50%; Creatinine ≤ 1.6 mg/dl; alanine transaminase (ALT) and aspartate aminotransferase (AST) ≤ 3 times the normal range and total bilirubin ≤ 2.0 mg/dl; Pulmonary function ≤ grade 1 dyspnea (CTCAE v5.0) with oxygen saturation > 91% without oxygenation.
• subjects aged 15-65 years (including 15 and 65 years), regardless of gender.
• T-cell amplification test pass.
• expected survival > 3 months.

You may not qualify if…

• patients with recurrence of only isolated extramedullary lesions. combination of other malignant tumors.
• previously treated with anti-CD19 therapies.
• immunosuppressants use within 2 weeks prior to signing informed consent or plan to immunosuppressants after signing informed consent.
• uncontrolled active infections.
• HIV infection.
• active hepatitis B or hepatitis C infection.
• history of severe tachyphylaxis to aminoglycoside antibiotics.
• history or presence of clinically relevant Central Nervous System (CNS) pathology, such as epilepsy, generalized seizure disorder, paresis, aphasia, stroke, severe brain injuries, dementia, Parkinson's disease, cerebellar disease, organic brain syndrome, or psychosis.

Where it is running

• The First Affliated Hospital of Soochow University — Suzhou, Jiangsu, China (enrolling)

Full record on ClinicalTrials.gov

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