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Erschienen in: International Journal of Clinical Oncology 12/2021

14.09.2021 | Original Article

Efficacy of neoadjuvant chemotherapy in patients with high-risk resectable colorectal liver metastases

verfasst von: Mizuki Ninomiya, Yasunori Emi, Takashi Motomura, Takahiro Tomino, Tomohiro Iguchi, Hiroto Kayashima, Noboru Harada, Hideaki Uchiyama, Takashi Nishizaki, Hidefumi Higashi, Hiroyuki Kuwano

Erschienen in: International Journal of Clinical Oncology | Ausgabe 12/2021

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Abstract

Background

The role of preoperative neoadjuvant chemotherapy (NAC) in patients with resectable colorectal liver metastases (CRLM) remains undetermined. This study aimed to assess the efficacy of NAC in patients with resectable CRLM, especially in high-risk subgroups for recurrence, with special reference to synchronicity and the CRLM grade in the Japanese classification system.

Methods

A retrospective analysis of a multi-institutional cohort who was diagnosed with resectable CRLM was performed. CRLM was classified into three grades (A, B, and C) according to the combination of H stage (H1: ≤ 4 lesions and ≤ 5 cm, H2: ≥ 5 lesions or > 5 cm, H3: ≥ 5 lesions and > 5 cm), nodal status of the primary tumor (pN0/1: ≤ 3 metastases, pN2: ≥ 4 metastases), and the presence of resectable extrahepatic metastases.

Results

Among 222 patients with resectable CRLM, 97 (43.7%) had synchronous CRLM. The surgical failure-free survival (SF-FS) of patients with synchronous CRLM (without NAC) was significantly worse than that of patients with metachronous CRLM (P = 0.0264). The SF-FS of patients with Grade B/C was also significantly worse than that of Grade A (P = 0.0058). Among the 53 patients with synchronous and Grade B/C CRLM, 31 were assigned to NAC, and all of them underwent liver surgery. In this high-risk subgroup, the SF-FS and OS in the NAC group were significantly better than those in the upfront surgery group (P < 0.0001 and P = 0.0004, respectively).

Conclusions

Patients with synchronous and Grade B/C CRLM could be good candidates for indication of NAC.
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Literatur
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Metadaten
Titel
Efficacy of neoadjuvant chemotherapy in patients with high-risk resectable colorectal liver metastases
verfasst von
Mizuki Ninomiya
Yasunori Emi
Takashi Motomura
Takahiro Tomino
Tomohiro Iguchi
Hiroto Kayashima
Noboru Harada
Hideaki Uchiyama
Takashi Nishizaki
Hidefumi Higashi
Hiroyuki Kuwano
Publikationsdatum
14.09.2021
Verlag
Springer Singapore
Erschienen in
International Journal of Clinical Oncology / Ausgabe 12/2021
Print ISSN: 1341-9625
Elektronische ISSN: 1437-7772
DOI
https://doi.org/10.1007/s10147-021-02024-5

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