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Hiroshi Nagai

Observed names: H., Nagai, Nagai, H.
ORCID: 0009-0000-8782-1909
Observed ORCID: 0009-0000-8782-1909
OpenAlex ID: A5114734393
Factors Associated with Fibrosis during Colorectal Endoscopic Submucosal Dissection: Does Pretreatment Biopsy Potentially Elicit Submucosal Fibrosis and Affect Endoscopic Submucosal Dissection Outcomes?
2020 · Masatake Kuroha, Hisashi Shiga, et al. · Digestion · 44
Liquid Biopsy for Colorectal Adenoma: Is the Exosomal miRNA Derived From Organoid a Potential Diagnostic Biomarker?
2021 · Tomoyuki Handa, Masatake Kuroha, et al. · Clinical and Translational Gastroenterology · 43
A Genome-wide Association Study Identifying RAP1A as a Novel Susceptibility Gene for Crohn’s Disease in Japanese Individuals
2018 · Yoichi Kakuta, Yosuke Kawai, et al. · Journal of Crohn s and Colitis · 29
The Effectiveness of Self-Expandable Metallic Stent Insertion in Treating Right-Sided Colonic Obstruction: A Comparison between SEMS and Decompression Tube Placement and an Investigation of the Safety and Difficulties of SEMS Insertion in Right Colons
2014 · Rintaro Moroi, Katsuya Endo, et al. · Gastroenterology Research and Practice · 28
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Comprehensive Analysis of microRNA Profiles in Organoids Derived from Human Colorectal Adenoma and Cancer
2021 · Hiroshi Nagai, Masatake Kuroha, et al. · Digestion · 14
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Chronic Poor Sleep is Associated with Increased Disease Activity in Patients with Ulcerative Colitis: Prospective Observational Study in Japan
2024 · Hideaki Oyama, Rintaro Moroi, et al. · Journal of Crohn s and Colitis · 10
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Prescribing in pregnant women with inflammatory bowel disease and its relationship to congenital malformations in Japan
2024 · Sayumi Takahashi, Yoichi Kakuta, et al. · Journal of Gastroenterology and Hepatology · 8
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Autoantibodies against endothelial protein C receptor and integrin αvβ6 predict the development of ulcerative colitis
2025 · Motoi Sawahashi, Yoichi Kakuta, et al. · Journal of Gastroenterology · 7
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Real-world NUDT15 genotyping and thiopurine treatment optimization in inflammatory bowel disease: a multicenter study
2024 · Motoki Makuuchi, Yoichi Kakuta, et al. · Journal of Gastroenterology · 7
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Safety and effectiveness of additional triamcinolone acetonide with endoscopic radial incision and cutting for benign stenosis of the lower gastrointestinal tract: A pilot study
2024 · Rintaro Moroi, Kotaro Nochioka, et al. · DEN Open · 4
Genetically Predicted Higher Levels of Caffeic Acid Are Protective Against Ulcerative Colitis: A Comprehensive Metabolome Analysis
2024 · Takeo Naito, Ryuya Osaka, et al. · Inflammatory Bowel Diseases · 4
Live-attenuated vaccination in patients with inflammatory bowel disease while continuing or after elective switch to vedolizumab
2024 · Hisashi Shiga, Hiroshi Nagai, et al. · Intestinal Research · 4
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Effectiveness of Antibiotics for Uncomplicated Diverticulitis: A Retrospective Investigation Using a Nationwide Database in Japan
2023 · Rintaro Moroi, Kunio Tarasawa, et al. · Digestion · 4
Usefulness of a peripherally inserted central catheter for total parenteral nutrition in patients with inflammatory bowel disease.
2017 · Hirofumi Chiba, Katsuya Endo, et al. · PubMed · 4
Evaluation of Organoid‐Derived Exosomal microRNA as Liquid Biopsy for Colorectal Cancer: A Multicenter Cross‐Sectional Study
2025 · Atsuhiro Sasaki, Masatake Kuroha, et al. · Clinical and Translational Science · 3
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Small bowel cancer in a patient with Crohn’s disease diagnosed preoperatively by double-balloon enteroscopy
2023 · Kai Korekawa, Takeo Naito, et al. · Clinical Journal of Gastroenterology · 3
Endoscopic radial incision and cutting using balloon-assisted enteroscopy for small intestinal stenosis related to Crohn’s disease: a pilot study
2025 · Rintaro Moroi, Kotaro Nochioka, et al. · Intestinal Research · 2
Clinical practice and outcome of patients with elderly‐onset ulcerative colitis: Insights from a nationwide claims database study in Japan
2024 · Rintaro Moroi, Yoichi Kakuta, et al. · JGH Open · 2
1306: AUTOANTIBODIES AGAINST ENDOTHELIAL PROTEIN C RECEPTOR AND INTEGRIN αVβ6 PREDICT THE DEVELOPMENT OF ULCERATIVE COLITIS
2025 · Motoi Sawahashi, Yoichi Kakuta, et al. · Gastroenterology · 1
Differences in Clinical Practice and Disease Course Between Elderly-Onset and Long-Standing Elderly Ulcerative Colitis: A Single-Center Study in Japan
2024 · Motoi Sawahashi, Rintaro Moroi, et al. · The Tohoku Journal of Experimental Medicine · 1
Mo1921: EFFECTIVENESS OF POPULATION-SPECIFIC POLYGENIC RISK SCORES FOR INFLAMMATORY BOWEL DISEASES VALIDATED IN A LARGE GENERAL POPULATION COHORT
2025 · Takeo Naito, Motoi Sawahashi, et al. · Gastroenterology
527: Evaluation of Organoid Derived Exosomal Microrna as Liquid Biopsy for Colorectal Cancer: a Multicenter Cross-sectional Study
2025 · Atsuhiro Sasaki, Masatake Kuroha, et al. · Gastroenterology
White spots around colorectal tumors are cancer-related findings and may aid endoscopic diagnosis: a prospective study in Japan
2024 · Kai Korekawa, Yusuke Shimoyama, et al. · Clinical Endoscopy
Clinical Practice and Safety of Endoscopic Balloon Dilation for Crohn’s Disease–Related Strictures: A Nationwide Claim Database Analysis in Japan
2024 · Rintaro Moroi, Kunio Tarasawa, et al. · Gastroenterology Research and Practice
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Supplementary Material for: Effectiveness of antibiotics for uncomplicated diverticulitis: A retrospective investigation using a nationwide database in Japan
2023 · R., Moroi, K., Tarasawa, et al. · Figshare
Works count: 26
Citation count: 222
H-index: 7
I10-index: 6
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