Ryo Katsumata

Helicobacter pylori Eradication with Proton Pump Inhibitors or Potassium-Competitive Acid Blockers: The Effect of Clarithromycin Resistance

Hiroshi Matsumoto, Akiko Shiotani, Ryo Katsumata et al. · Digestive Diseases and Sciences · 2016 · 55 citations

Drug Resistance Analysis, Health Sciences, Antibiotics +11

Mucosa-Associated Microbiota in Patients with Irritable Bowel Syndrome: A Comparison of Subtypes

Hiroshi Matsumoto, Akiko Shiotani, Ryo Katsumata et al. · Digestion · 2020 · 35 citations

Hypergastrinemia in Long-Term Use of Proton Pump Inhibitors

Akiko Shiotani, Ryo Katsumata, Kyousuke Gouda et al. · Digestion · 2018 · 29 citations

Gender Differences in Serotonin Signaling in Patients with Diarrhea-predominant Irritable Bowel Syndrome

Ryo Katsumata, Akiko Shiotani, Takahisa Murao et al. · Internal Medicine · 2017 · 20 citations · Full text

Functional Gastrointestinal Disorder, Psychiatry, Gastrointestinal Pharmacology +12

The TPH1 rs211105 gene polymorphism affects abdominal symptoms and quality of life of diarrhea-predominant irritable bowel syndrome

Ryo Katsumata, Akiko Shiotani, Takahisa Murao et al. · Journal of Clinical Biochemistry and Nutrition · 2018 · 20 citations · Full text

Genetics, Genetic Epidemiology, Gastroenterology +19