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Frontiers in Diagnosis and Treatment of Familial Adenomatous Polyposis Hideki Ishikawa 1,2 , Yoji Takeuchi 3 1Department of Molecular-targeting Prevention, Kyoto Prefectural University of Medicine, Kyoto, Japan 2Ishikawa Gastrointestinal Clinic, Osaka, Japan 3Department of Endoscopy and Endoscopic Surgery, Gunma University Hospital, Maebashi, Japan Keyword: 家族性大腸腺腫症 , アスピリン , IDP , 化学予防 , メサラジン pp.1602-1608
Published Date 2023/12/25
DOI https://doi.org/10.11477/mf.1403203426
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 The studies on prevention of colorectal cancer without colorectal resection for FAP(familial adenomatous polyposis)that we have reported are chemoprevention studies using low-dose aspirin and IDP(intensive downstaging polypectomy)of colorectal polyps and duodenal polyps.

 The study results confirm the treatment's safety and effectiveness in preventing colorectal cancer, but whether IDP prevents colorectal cancer in the long term in patients with FAP who did not undergo colorectal resection remains unclear. Thus, we are preparing a registry for long-term follow-up.

 The chemoprevention study using low-dose aspirin and mesalazine, a 2×2 factorial, randomized, double-blind, placebo-controlled, and multicenter trial, was conducted at 11 centers in Japan. The results revealed that low-dose aspirin safely inhibited the growth of colorectal polyps of >5mm at 8 months in patients with FAP, whereas mesalazine had little effect. Therefore, low-dose aspirin may be a useful cancer chemopreventive drug for colorectal cancer prevention in patients with FAP.

 The study's results indicate that colorectal resection in patients with FAP can be avoided with appropriate endoscopic intervention and chemoprevention with low-dose aspirin.


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電子版ISSN 1882-1219 印刷版ISSN 0536-2180 医学書院

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