Statin exposure and pancreatic cancer incidence: Ajapanese regional population-based cohort study, the shizuoka study

Kohei Saito, Yoko Sato, Eiji Nakatani, Hideaki Kaneda, Seiichiro Yamamoto, Yoshiki Miyachi, Hiroshi Itoh

研究成果: Article査読

抄録

Preclinical studies suggest that statins contribute to the prevention of pancreatic cancer; however, the results of epidemiologic studies are inconsistent. Furthermore, sufficient data are unavailable for the general population of Asia. Here, we conducted an observational study using a comprehensive patient-linked, longitudinal health insurance database comprising the records of 2,230,848 individuals residing in Shizuoka Prefecture, Japan, from April 2012 to September 2018.Weincluded individuals older than 40 years with data for medical examinations and statin exposure (≥365 statin prescription days). To balance baseline characteristics between the statin exposure and statin nonexposure groups, we used inverse probability of treatment propensity score weighting method. We estimated hazard ratios for associations with pancreatic cancer using the Cox proportional hazards regression model. Among 2,230,848 individuals, we included 100,537 in the statin exposure group (24%) and 326,033 in the statin nonexposure group (76%). Among the statin exposure group (352,485 person-years) and the statin nonexposure group (1,098,463 person-years), 394 (1.12 per 1,000 personyears) and 1176 (1.07 per 1,000 person-years) developed pancreatic cancer, respectively (P = 0.464). After adjustments using inverse probability of treatment weighting, the statin exposure group was associated with a decreased incidence of pancreatic cancer (hazard ratio, 0.84; 95% confidence intervals, 0.72-0.99; P = 0.036). In conclusion, the current Japanese regional population-based cohort study shows that statin exposure was associated with a lower incidence of pancreatic cancer.

本文言語English
ページ(範囲)863-872
ページ数10
ジャーナルCancer Prevention Research
14
9
DOI
出版ステータスPublished - 2021 9

ASJC Scopus subject areas

  • 腫瘍学
  • 癌研究

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