ArticleTherapeutic advances in hematology2025
Prognostic significance of MRD and its correlation with arsenic concentration in pediatric acute promyelocytic leukemia: a retrospective study by SCCLG-APL group.
Article in Therapeutic advances in hematology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed.
- Identification of key genes potentially associated with bladder cancer development by common plasticizers: an integrated transcriptomics and network toxicology study.Frontiers in oncology · 2026Article
- Deciphering pathogenic mechanisms of BDCPP exposure in endometrial cancer progression via an integrated approach combining network toxicology, machine learning, and molecular docking.International journal of surgery (London, England) · 2026Article
- Evaluating the efficacy of 8Spheres microsphere embolization combined with iodine‑125 seed implantation in advanced refractory lung cancer: A retrospective study.Oncology letters · 2025Article
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25 authors.
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Abstract
Background: Treatment outcomes for acute promyelocytic leukemia (APL) have improved with all-trans-retinoic acid and arsenic trioxide, yet relapse remains a concern, especially in pediatric patients. The prognostic value of minimal residual disease (MRD) post-induction and the impact of arsenic levels during induction on MRD are not fully understood. Objectives: To evaluate the relationship between post-induction MRD levels and relapse-free survival (RFS) in pediatric APL patients, and to investigate the correlation between blood arsenic concentration levels during induction therapy and MRD status. Design: A retrospective analysis of pediatric APL patients enrolled in a clinical trial from September 2011 to July 2020. Methods: We assessed the relationship between RFS and post-induction MRD levels using the log-rank test. The optimal MRD cut-off was determined using the "surv_cutpoint" function in the survminer R package. Arsenic concentration levels were monitored in 16 patients on days 7 and 14 of induction therapy, and Spearman correlation was used to analyze the relationship between arsenic concentrations and MRD levels. Results: Among 176 pediatric APL patients, with a median follow-up of 6 years, 4 relapsed. Patients with MRD >3.1% had significantly lower RFS compared to those with MRD ⩽3.1% (94.6% vs 100%, Conclusion: Our study highlights the prognostic significance of post-induction MRD assessment in pediatric APL. We also demonstrate a negative correlation between blood arsenic concentration levels and MRD, suggesting that lower arsenic concentrations during induction therapy may contribute to a higher MRD burden. These findings may inform strategies to optimize treatment and improve outcomes in pediatric APL.
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