ArticleTranslational pediatrics2024
Factors influencing delayed high-dose methotrexate excretion and its correlation with adverse reactions after treatment in children with malignant hematological tumors.
Article in Translational pediatrics, 2024. 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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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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Who cites it
3 citing papers in PubMed, 3 citations in OpenAlex.
- Risk factor identification for delayed excretion in pediatric high-dose methotrexate therapy: a machine learning analysis of real-world data.Frontiers in pharmacology · 2025Article
- Consensus on managing delayed methotrexate elimination in high-dose therapy: insights from the Middle East.Frontiers in oncology · 2025Review
- Association between delayed methotrexate metabolism, coagulation function, and adverse reactions in patients with acute lymphoblastic leukemia receiving high-dose methotrexate treatment.American journal of translational research · 2025Article
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Authors and funding
8 authors at 4 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
Background: High-dose methotrexate (HDMTX) is crucial in treating pediatric malignant hematological tumors. However, its use is often complicated by delayed excretion and associated adverse reactions, which can significantly affect treatment outcomes and patient safety. Identifying risk factors is essential for safer, more effective therapy. This study aimed to investigate the influencing factors for delayed excretion and their correlation with adverse reactions in children with malignant hematological tumors after receiving HDMTX chemotherapy. Methods: From April to October 2021, the clinical information of children who had undergone HDMTX chemotherapy and had their blood tested for drug concentration was gathered by the Department of Hematology and Oncology at Shanghai Children's Medical Center. Via univariate and multivariate logistic regression, the factors affecting the delayed excretion of HDMTX were examined, and the relationship between delayed excretion and unfavorable effects in children was determined. Results: This study included 99 patients comprising 199 courses of HDMTX. The occurrence rate of HDMTX delayed excretion was 20.1%. Age ≥9 years and a 24-hour methotrexate (MTX) concentration of 64 µmol/L were independent risk factors for delayed MTX excretion according to multivariate logistic regression analysis (P<0.05). Negative side effects, such as fever, infection, mucositis, gastrointestinal response, and decreased platelet count in children with delayed excretion were statistically significant when compared to those of children with normal excretion. White blood cell reduction, hemoglobin levels below 65 g/L, MTX excretion delay, and concomitant etoposide treatment were all independent risk factors for infection in children. Conclusions: To estimate the risk of delayed MTX excretion during HDMTX therapy, patient laboratory data should be scrutinized, especially for patients ≥9 years or those with a 24-hour MTX concentration of greater than 64 µmol/L.
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