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RESEARCH PAPER ANALYSIS

Pharmacogenomics in pediatric oncology patients with solid tumors related to chemotherapy-induced toxicity: A systematic review.

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PMID40222694
JournalCritical reviews in oncology/hematology
Publication Date2025-04-11
Ingested2026-08-02 12:04 AM
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ABSTRACT

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Chemotherapy-induced toxicities remain challenging in pediatric oncology, affecting patient outcomes, hospital stays, and quality of life. Genetic variation can partly explain these toxicities, and pharmacogenomics could potentially optimize treatment. This review provides an overview of pharmacogenomic studies in relation to chemotherapy-induced toxicity in children with solid tumors. A systematic literature search was performed in PubMed, Embase, and Web of Science following PRISMA guidelines. Two independent reviewers assessed eligibility, risk of bias using ROBINS-I, and extracted data. Out of 9000 articles screened, 279 were deemed relevant, and 59 met the inclusion criteria by focusing on children with solid tumors and pharmacogenomics in relation to chemotherapy-induced toxicity. Following risk of bias assessment, 24 articles with low to moderate risk of bias were summarized. Identifying specific SNPs associated with toxicities proved challenging due to variability across studies. For methotrexate, the genes ABCC2, MTHFR, and SXR were associated with myelosuppression and hepatotoxicity. The genes ABCC3, COMT, ERCC2, GSTP1, GSTT1, LRP2, SLC22A2, and TPMT showed associations with ototoxicity due to platinum-based drugs. Anthracycline-induced cardiotoxicity was associated with CBR2, CELF4, GSTM1, HAS3, RARG, and SLC28A3, and further with HNMT and SLC22A2 in younger children, with ABCB4 in females, and with SULT2B1 in males. A dose-dependent effect of CELF4 on cardiotoxicity was noted with anthracycline doses over 300 mg/m². This review highlights the complexity and variability of pharmacogenomic associations with chemotherapy-induced toxicities in pediatric oncology. While certain genetic variants show associations with specific toxicities, larger multinational/center studies are needed to strengthen the associations and improve clinical guidelines.

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Pharmacogenomics in pediatric oncology patients with solid tumors related to chemotherapy-induced toxicity: A systematic review.

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