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Erschienen in: International Journal of Clinical Oncology 10/2019

06.05.2019 | Computed Tomography

Skeletal muscle loss during systemic chemotherapy for colorectal cancer indicates treatment response: a pooled analysis of a multicenter clinical trial (KSCC 1605-A)

verfasst von: Shun Sasaki, Eiji Oki, Hiroshi Saeki, Takayuki Shimose, Sanae Sakamoto, Qingjiang Hu, Kensuke Kudo, Yasuo Tsuda, Yuichiro Nakashima, Koji Ando, Yoshito Akagi, Yoshihiro Kakeji, Hideo Baba, Yoshihiko Maehara

Erschienen in: International Journal of Clinical Oncology | Ausgabe 10/2019

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Abstract

Background

Sarcopenia or degenerative loss of skeletal muscle mass is related to poor prognosis in patients with cancer. This study aimed to clarify the clinical significance of skeletal muscle loss (SML) during chemotherapy for metastatic colorectal cancer (mCRC).

Methods

A total of 249 patients who were secondarily registered in a pooled database of mCRC patients with the first-line systemic chemotherapy and prospectively enrolled in six clinical trials of Kyushu Study Group of Clinical Cancer were included in this study. Skeletal muscle area was calculated from computed tomography images before and 3 and 6 months after treatment. Baseline sarcopenia and SML (cut-off value = 9%) were evaluated.

Results

Baseline sarcopenia was observed in 135 of 219 patients who were evaluated before treatment. They tended to be male; older; and have lower body mass index, lower visceral and subcutaneous fat contents, and a lower waist circumference (P < 0.01); however, baseline sarcopenia was not associated with prognosis. SML at 3 months was associated with an incidence of adverse events (P = 0.01), poor objective response rate (ORR) (P < 0.01), and poor progression-free survival (PFS) (P = 0.03), and it was an independent predictive factor for poor ORR (P < 0.01) and PFS (P = 0.04).

Conclusion

SML at 3 months after systemic chemotherapy for mCRC was associated with poor treatment response. Thus, clarifying the importance of SML prevention guarantees a more effective chemotherapy.
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Metadaten
Titel
Skeletal muscle loss during systemic chemotherapy for colorectal cancer indicates treatment response: a pooled analysis of a multicenter clinical trial (KSCC 1605-A)
verfasst von
Shun Sasaki
Eiji Oki
Hiroshi Saeki
Takayuki Shimose
Sanae Sakamoto
Qingjiang Hu
Kensuke Kudo
Yasuo Tsuda
Yuichiro Nakashima
Koji Ando
Yoshito Akagi
Yoshihiro Kakeji
Hideo Baba
Yoshihiko Maehara
Publikationsdatum
06.05.2019
Verlag
Springer Singapore
Erschienen in
International Journal of Clinical Oncology / Ausgabe 10/2019
Print ISSN: 1341-9625
Elektronische ISSN: 1437-7772
DOI
https://doi.org/10.1007/s10147-019-01460-8

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