Katsuhiro Arai

Tokyo, Japan

Last Updated: 09/26/2026

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Found 137 publications

Massive Post-Endoscopic Duodenal Hematoma Causing Obstructive Pancreatitis in an Infant With Wiskott-Aldrich Syndrome After Haploidentical Hematopoietic Stem Cell Transplantation.

Massive Post-Endoscopic Duodenal Hematoma Causing Obstructive Pancreatitis in an Infant With Wiskott-Aldrich Syndrome After Haploidentical Hematopoietic Stem Cell Transplantation.

Journal: Pediatric blood & cancer

Published: February 24, 2026

Thalidomide for CGD-related inflammatory bowel disease: A randomized, double-blind trial.

Thalidomide for CGD-related inflammatory bowel disease: A randomized, double-blind trial.

Journal: Journal of human immunity

Published: December 14, 2025

Sustained efficacy and long-term outcomes of autologous oral mucosal epithelial cell sheet transplantation for pediatric esophageal anastomotic restenosis.

Sustained efficacy and long-term outcomes of autologous oral mucosal epithelial cell sheet transplantation for pediatric esophageal anastomotic restenosis.

Journal: Scientific reports

Published: December 03, 2025

Cendakimab for Eosinophilic Gastritis and Duodenitis in Japanese Adults and Adolescents: Results From a Phase 3 Randomized Controlled Trial.

Cendakimab for Eosinophilic Gastritis and Duodenitis in Japanese Adults and Adolescents: Results From a Phase 3 Randomized Controlled Trial.

Journal: The American journal of gastroenterology

Published: December 02, 2025

Rapid flow cytometric diagnosis of XIAP deficiency.

Rapid flow cytometric diagnosis of XIAP deficiency.

Journal: Pediatric allergy and immunology : official publication of the European Society of Pediatric Allergy and Immunology

Published: November 27, 2025

Drug-induced hypersensitivity syndrome followed by exacerbation of Crohn's disease.

Drug-induced hypersensitivity syndrome followed by exacerbation of Crohn's disease.

Journal: Pediatric investigation

Published: October 22, 2025

APSPGHAN Statement on Endoscopic Variceal Bleeding Hemostasis.

APSPGHAN Statement on Endoscopic Variceal Bleeding Hemostasis.

Journal: Pediatric gastroenterology, hepatology & nutrition

Published: October 03, 2025

Real-world outcomes of ustekinumab, vedolizumab, and tumor necrosis factor inhibitors in very-early-onset inflammatory bowel disease: a multi-center cohort study.

Real-world outcomes of ustekinumab, vedolizumab, and tumor necrosis factor inhibitors in very-early-onset inflammatory bowel disease: a multi-center cohort study.

Journal: Journal of gastroenterology

Published: September 17, 2025

A Pediatric Case of Juvenile Polyposis/Hereditary Hemorrhagic Telangiectasia Syndrome Diagnosed by Anemia With PAVM.

A Pediatric Case of Juvenile Polyposis/Hereditary Hemorrhagic Telangiectasia Syndrome Diagnosed by Anemia With PAVM.

Journal: Pediatrics international : official journal of the Japan Pediatric Society

Published: September 01, 2025

Characteristics of monogenic inflammatory bowel disease in very early-onset cases: a Japanese multicenter registry study.

Characteristics of monogenic inflammatory bowel disease in very early-onset cases: a Japanese multicenter registry study.

Journal: Intestinal research

Published: September 01, 2025

Clinical and endoscopic improvement of pediatric pouchitis with ustekinumab.

Clinical and endoscopic improvement of pediatric pouchitis with ustekinumab.

Journal: Pediatrics international : official journal of the Japan Pediatric Society

Published: August 13, 2025

Orofacial granulomatosis in pediatric Crohn's disease: clinical outcomes and genetic background in the era of biologics: a retrospective study in Japan.

Orofacial granulomatosis in pediatric Crohn's disease: clinical outcomes and genetic background in the era of biologics: a retrospective study in Japan.

Journal: Intestinal research

Published: June 18, 2025

Showing 1-12 of 137

Last Updated: 09/26/2026