[Efficacy comparisons of chemotherapy regimens with different intensities in high-risk pediatric hepatoblastoma].

Authors

Y Mao, C G Zeng, Y Li, J T Huang, F F Sun, J Wang, J Zhu, S Y Lu, Y Z Zhang, Z Z Zhen

Published in

Zhonghua zhong liu za zhi [Chinese journal of oncology]. Volume 48. Issue 8. Pages 1016-1022. Aug 23, 2026.

Abstract

Objective: To evaluate the efficacy of different chemotherapy regimens in children with high-risk hepatoblastoma (HB). Methods: A retrospective cohort study was conducted on 99 patients under 18 years old with high-risk HB treated at Sun Yat-sen University Cancer Center between December 2004 and July 2024. The patients were divided into three groups: the PLADO regimen (cisplatin in combination with doxorubicin, n=27), the C5VD/IIV regimen (alternating cycles of cisplatin/5-flourouracil/vincristine/doxorubicin with irinotecan/ifosfamide/vincristine, n=29), and the modified SIOPEL-4 regimen (the original SIOPEL-4 regimen with omitted high-dose cisplatin on day15, n=43). Short-term efficacy, adverse effects, and long-term survival were compared among the three groups. Results: The objective response rates for the PLADO, C5VD/IIV, and modified SIOPEL-4 groups were 73.9% (17/23), 70.8% (17/24), and 88.6% (31/35), respectively, with no statistically significant difference among the three groups (P=0.190). The disease control rates were 82.6% (19/23), 83.3% (20/24), and 100.0% (35/35), the 3-year progression-free survival (PFS) rates were 19.2%, 37.0%, and 56.7%, and the 3-year overall survival (OS) rates were 69.2%, 55.6%, and 79.0%, respectively. The modified SIOPEL-4 group showed significantly better disease control rate and PFS rate compared withthe other two groups (both P＜0.05). After merging the PLADO and C5VD/IIV groups, the modified SIOPEL-4 group demonstrated significantly superior PFS and OS rates (both P＜0.05). Conclusions: The efficacy of modified SIOPEL-4 regimen in treating high-risk HB is superior compared with those of PLADO and C5VD/IIV regimens, but there remains room for further improvement in efficacy. Intensifying supportive care and pursuing aggressive local therapies, especially upfront liver transplantation for locally inoperable tumors, may further improve outcomes.

PMID:
42595556
Bibliographic data and abstract were imported from PubMed on 14 Aug 2026.

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