Protein intake after the initiation of chemotherapy is an independent prognostic factor for overall survival in patients with unresectable pancreatic cancer: A prospective cohort study

Yoko Hasegawa, Hideaki Ijichi, Kei Saito, Kazunaga Ishigaki, Maki Takami, Rie Sekine, Satoshi Usami, Yousuke Nakai, Kazuhiko Koike, Naoto Kubota

研究成果: ジャーナルへの寄稿記事査読

11 被引用数 (Scopus)

抄録

Background & aims: This study was conducted to investigate the nutritional status and longitudinal dietary intake during the course of chemotherapy, and their relationships with the survival in patients with unresectable pancreatic cancer. Methods: A prospective cohort study was conducted in 38 patients with unresectable pancreatic cancer receiving chemotherapy between January 2018 and November 2019. Subjective global assessment was used to assess the nutritional status, and the dietary intake was assessed monthly, for up to 12 months, using a brief self-administered diet history questionnaire. The primary outcome was overall survival, and the secondary outcome was progression-free survival. Cox regression analysis was performed to identify independent prognostic factors. Results: Moderate or severe malnutrition was found in 34.2% of the participants. Daily protein intake was significantly higher in the survivor group than in the deceased group at one month after the initiation of chemotherapy (1.4 ± 0.7 g/kg/day vs. 0.9 ± 0.5 g/kg/day, p = 0.019), while the baseline nutritional intakes were similar between the two groups. Univariate analysis identified weight loss >3.5%, energy intake <25 kcal/kg/day, protein intake <1.1 g/kg/day, and malnutrition as possible poor prognostic factors. Multivariate analysis identified protein intake <1.1 g/kg/day (hazard ratio [HR]: 9.03, 95%CI: 1.45–56.32, p = 0.018) as an independent poor prognostic factor. Conclusions: Insufficient protein intake was identified as an independent poor prognostic factor in patients with unresectable pancreatic cancer receiving chemotherapy. Improving the dietary protein intake could be a useful therapeutic approach in patients with advanced pancreatic cancer receiving chemotherapy.

本文言語英語
ページ(範囲)4792-4798
ページ数7
ジャーナルClinical Nutrition
40
7
DOI
出版ステータス出版済み - 7月 2021
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