A significant increase in the pepsinogen I/II ratio is a reliable biomarker for successful Helicobacter pylori eradication

• Hiroki Osumi,

  Roles Data curation, Formal analysis, Writing – original draft

  Affiliation Department of Gastroenterology, Cancer Institute Hospital, Japanese Foundation for Cancer Research, Tokyo, Japan

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• Junko Fujisaki ,

  Roles Conceptualization, Supervision, Writing – review & editing

  * E-mail: junko.fujisaki@jfcr.or.jp

  Affiliation Department of Gastroenterology, Cancer Institute Hospital, Japanese Foundation for Cancer Research, Tokyo, Japan

  http://orcid.org/0000-0002-4742-0446

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• Takanori Suganuma,

  Roles Data curation, Investigation

  Affiliation Department of Gastroenterology, Iida Municipal Hospital, Nagano, Japan

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• Yusuke Horiuchi,

  Roles Writing – review & editing

  Affiliation Department of Gastroenterology, Cancer Institute Hospital, Japanese Foundation for Cancer Research, Tokyo, Japan

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• Masami Omae,

  Roles Writing – review & editing

  Affiliation Department of Gastroenterology, Cancer Institute Hospital, Japanese Foundation for Cancer Research, Tokyo, Japan

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• Toshiyuki Yoshio,

  Roles Writing – review & editing

  Affiliation Department of Gastroenterology, Cancer Institute Hospital, Japanese Foundation for Cancer Research, Tokyo, Japan

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• Akiyoshi Ishiyama,

  Roles Writing – review & editing

  Affiliation Department of Gastroenterology, Cancer Institute Hospital, Japanese Foundation for Cancer Research, Tokyo, Japan

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• Tomohiro Tsuchida,

  Roles Writing – review & editing

  Affiliation Department of Gastroenterology, Cancer Institute Hospital, Japanese Foundation for Cancer Research, Tokyo, Japan

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• Kazumasa Miki

  Roles Conceptualization, Writing – review & editing

  Affiliation Department of Gastroenterology, Cancer Institute Hospital, Japanese Foundation for Cancer Research, Tokyo, Japan

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