World's Best Scientists 2026 revealed!

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Medicine

D-Index
80
Citations
23124
World Ranking
17122
National Ranking
544

Overview

Ken Haruma is affiliated with Hiroshima University in Japan, contributing extensively to the field of medicine with a focus on gastroenterology and related subfields. Their scholarly output spans numerous publications with an emphasis on surgery, pulmonary and respiratory medicine, epidemiology, and oncology.

The scientist's primary areas of research cover a range of topics, including:

  • Helicobacter pylori-related gastroenterology studies
  • Eosinophilic Esophagitis
  • Gastroesophageal reflux and treatments
  • Gastric Cancer Management and Outcomes
  • Esophageal and GI Pathology
  • Esophageal Cancer Research and Treatment
  • Gastrointestinal disorders and treatments

Ken Haruma's recent academic papers demonstrate engagement with current issues in gastroenterology and digestive diseases. Notable publications include:

  • "Endoscopic screening for gastric cancer in Japan: Current status and future perspectives" (2021) published in Digestive Endoscopy
  • "Linked Color Imaging Focused on Neoplasm Detection in the Upper Gastrointestinal Tract" (2020) published in Annals of Internal Medicine
  • "Endoscopic features and clinical importance of autoimmune gastritis" (2021) published in Digestive Endoscopy
  • "Epidemiological Review of Gastroesophageal Junction Adenocarcinoma in Asian Countries" (2021) published in Digestion
  • "Diagnostic criteria and endoscopic and histological findings of autoimmune gastritis in Japan" (2023) published in Journal of Gastroenterology

The scientist collaborates frequently with other researchers, including:

  • Noriaki Manabe
  • Mitsuhiko Suehiro
  • Hirofumi Kawamoto
  • Maki Ayaki
  • Minoru Fujita

Ken Haruma has published mainly in recognized journals, with a concentration in venues such as:

  • Gastroenterology
  • Internal Medicine
  • Clinical Journal of Gastroenterology
  • Gastrointestinal Endoscopy
  • Digestive Endoscopy

This body of work places Ken Haruma prominently within the medical research community focusing on digestive diseases, surgical techniques, and cancer epidemiology relevant to gastroenterology. Their contributions to these areas are supported by extensive collaborations and publications in specialized and high-impact journals.

Best Publications

  • Kyoto global consensus report on Helicobacter pylori gastritis

    Kentaro Sugano;Jan Tack;Ernst J Kuipers;David Y Graham

  • Clinicopathologic features and endoscopic treatment of superficially spreading colorectal neoplasms larger than 20 mm

    Shinji Tanaka;Ken Haruma;Shiro Oka;Ryoji Takahashi

  • Expression of interleukin-8 correlates with vascularity in human gastric carcinomas.

    Yasuhiko Kitadai;Ken Haruma;Koji Sumii;Soichiro Yamamoto

  • Evidence-based Clinical Practice Guidelines for Gastroesophageal Reflux Disease 2015

    Katsuhiko Iwakiri;Yoshikazu Kinoshita;Yasuki Habu;Tadayuki Oshima

  • Clinicopathological significance of vascular endothelial growth factor (VEGF)-C in human esophageal squamous cell carcinomas.

    Yasuhiko Kitadai;Toru Amioka;Ken Haruma;Shinji Tanaka

  • Helicobacter pylori eradication therapy improves atrophic gastritis and intestinal metaplasia: a 5-year prospective study of patients with atrophic gastritis.

    M. Ito;K. Haruma;T. Kamada;M. Mihara

  • High incidence of reflux oesophagitis after eradication therapy for Helicobacter pylori: impacts of hiatal hernia and corpus gastritis

    H Hamada;K Haruma;M Mihara;T Kamada

  • Treatment of ulcerative colitis by feeding with germinated barley foodstuff: first report of a multicenter open control trial

    Osamu Kanauchi;Toshihiro Suga;Masahiro Tochihara;Toshifumi Hibi

  • Endoscopic treatment of submucosal invasive colorectal carcinoma with special reference to risk factors for lymph node metastasis

    Shinji Tanaka;Ken Haruma;Claudio R. Teixeira;Shigehiko Tatsuta

  • Monocyte chemoattractant protein-1 expression correlates with macrophage infiltration and tumor vascularity in human esophageal squamous cell carcinomas.

    Masahiro Ohta;Yasuhiko Kitadai;Shinji Tanaka;Masaharu Yoshihara

  • Evidence-based clinical practice guidelines for functional dyspepsia

    Hiroto Miwa;Motoyasu Kusano;Tomiyasu Arisawa;Tadayuki Oshima

  • Transfection of interleukin-8 increases angiogenesis and tumorigenesis of human gastric carcinoma cells in nude mice

    Y. Kitadai;Y. Takahashi;K. Haruma;K. Naka

  • Effect of age and Helicobacter pylori infection on gastric acid secretion

    Ken Haruma;Tomoari Kamada;Hiroyuki Kawaguchi;Shiro Okamoto

  • Monocyte chemoattractant protein-1 expression correlates with macrophage infiltration and tumor vascularity in human gastric carcinomas

    Masahiro Ohta;Yasuhiko Kitadai;Shinji Tanaka;Masaharu Yoshihara

  • Meta-analysis of the effects of prokinetic agents in patients with functional dyspepsia

    Toru Hiyama;Masaharu Yoshihara;Keitaro Matsuo;Hiroaki Kusunoki

  • Eradication of Helicobacter pylori increases gastric acidity in patients with atrophic gastritis of the corpus-evaluation of 24-h pH monitoring.

    K Haruma;M Mihara;E Okamoto;H Kusunoki

  • Correlation of ratio of serum pepsinogen I and II with prevalence of gastric cancer and adenoma in Japanese subjects.

    Masaharu Yoshihara;Koji Sumii;Ken Haruma;Kuninushi Kiyohira

  • Aged Garlic Extract Has Potential Suppressive Effect on Colorectal Adenomas in Humans

    Shinji Tanaka;Ken Haruma;Masaharu Yoshihara;Goro Kajiyama

  • Interleukin 8 and vascular endothelial growth factor -- prognostic factors in human gastric carcinomas?

    Soichiro Kido;Yasuhiko Kitadai;Nobuaki Hattori;Ken Haruma

  • Clinical features of gastric cancer discovered after successful eradication of Helicobacter pylori: results from a 9-year prospective follow-up study in Japan.

    T. Kamada;J. Hata;K. Sugiu;H. Kusunoki

Frequent Co-Authors

Masaharu Yoshihara
Masaharu Yoshihara Hiroshima University
Yasuhiko Kitadai
Yasuhiko Kitadai Prefectural University of Hiroshima
Shinji Tanaka
Shinji Tanaka Hiroshima University
Kazuaki Chayama
Kazuaki Chayama Hiroshima University
Eiichi Tahara
Eiichi Tahara Hiroshima University
Wataru Yasui
Wataru Yasui Hiroshima University
Hiroshi Yokozaki
Hiroshi Yokozaki Kobe University
Keizo Sugimachi
Keizo Sugimachi Kyushu University
Isaiah J. Fidler
Isaiah J. Fidler The University of Texas MD Anderson Cancer Center
Seigo Kitano
Seigo Kitano Oita University

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