ArticleFrontiers in immunology2025
Effective MRD clearance and long-term survival with CD19 CAR-T in pediatric B-ALL patients with MRD positivity or chemotherapy intolerance.
Article in Frontiers in immunology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
2 citing papers in PubMed.
- Pediatric leukemia: origins, pathogenesis, the role of microenvironment and immunological modulation.Frontiers in immunology · 2026Review
- CD19-negative relapse after CAR-T cell therapy: mechanisms of antigen escape and lineage switch.Frontiers in immunology · 2026Review
Corrections and comments
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Background: While CD19-directed chimeric antigen receptor T-cell (CAR-T) therapy demonstrates remarkable efficacy in relapsed/refractory (R/R) ALL, its application in earlier treatment lines requires further investigation. This study aimed to evaluate the efficacy, safety, and cellular kinetics of CD19 CAR-T therapy in pediatric B-cell ALL (B-ALL) patients with minimal residual disease (MRD) positivity or chemotherapy intolerance. Methods: Between 2017 and 2021, 50 eligible pediatric B-ALL patients (with positive MRD or chemotherapy intolerance) received CD19 CAR-T therapy. Efficacy endpoints included complete remission (CR), MRD-negative CR (MRD-CR), overall survival (OS), and leukemia-free survival (LFS). CAR-T cellular kinetics parameters (C Results: At day 28 post-infusion, the CR and MRD-CR rates were 98% and 96%, respectively. With a median follow-up of 68.7 months, the 5-year OS and LFS rates were 74.9% and 67.8%. Multivariate analysis identified prolonged B-cell aplasia (BCA) duration (HR = 0.969, Conclusion: CD19 CAR-T therapy demonstrates highly effective MRD clearance and provides long-term survival benefits with a manageable safety profile in pediatric B-ALL patients with MRD positivity or chemotherapy intolerance. Effective CAR-T expansion occurs even at low tumor burdens. These findings support the potential for advancing CAR-T therapy into earlier treatment lines, although its value requires further validation in prospective studies.
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