Ryotaro Uema

Osaka Gakuin University — Japan

Medicine · Health Sciences

5h-index124citations47works2.52yr avg
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Research Topics

Gastric Cancer Management and Outcomes(16), Inflammatory Bowel Disease(9), Esophageal Cancer Research and Treatment(8), Gastrointestinal Tumor Research and Treatment(7), Helicobacter pylori-related gastroenterology studies(5)

Publications47 total

A combined approach using conventional endoscopy and endoscopic ultrasonography findings yields a highly accurate diagnosis of T2-muscularis propria gastric cancer
Clinical Endoscopy·2026Open Access
P0685 A treatment selection model for steroid-refractory Ulcerative Colitis based on two cytokine-responsive serum biomarkers: Leucine-rich α2 glycoprotein and interleukin-22–induced prohaptoglobin
Journal of Crohn s and Colitis·2026
P0810 Selecting Advanced Therapy by Pretreatment Serum Leucine-rich Alpha-2 Glycoprotein Level in Patients with Ulcerative Colitis: A Multicentre Prospective Cohort Study
Journal of Crohn s and Colitis·2026
P0067 Investigation of mitochondrial dysfunction and energy metabolic abnormalities in the central nervous system in the brain-gut axis between intestinal inflammation and depression
Journal of Crohn s and Colitis·2026
Outcomes of additional chemotherapy for esophageal squamous cell carcinoma following non-curative endoscopic submucosal dissection
International Journal of Clinical Oncology·2025
Safety and Effectiveness of Oral Budesonide after Endoscopic Balloon Dilation in Patients with Crohn’s Disease: A Multicenter Prospective Intervention Study
Inflammatory Intestinal Diseases·2025Open Access
Optimizing 5-Aminosalicylic Acid Maintenance Treatment in Ulcerative Colitis from the Patient and Physician Perspective: A Cross-sectional Multicenter Study
Crohn s & Colitis 360·2025· 2 citedOpen Access
DEEP LEARNING-BASED VIDEO ANALYSIS OF ENDOSCOPIC MUCOSAL DISSECTION OF EARLY GASTRIC CANCER REVEALED HIGH ANTI-HELICOBACTER PYLORI ANTIBODY LEVEL IS A RISK FACTOR OF INTRAOPERATIVE BLEEDING
Gastrointestinal Endoscopy·2025
Tu1820: SWITCHING BIOLOGIC AGENTS IN INFLAMMATORY BOWEL DISEASE: THE IMPACT ON TREATMENT SAFETY AND EFFECTIVENESS
Gastroenterology·2025
p53 Deficiency in Colon Cancer Cells Promotes Tumor Progression Through the Modulation of Meflin in Fibroblasts
Cancer Science·2025· 2 citedOpen Access
Leucine-rich Alpha-2 glycoprotein could be clinically useful in active and postoperative Crohn’s disease
Scientific Reports·2025· 5 citedOpen Access
Low skeletal muscle mass contributes to the prognosis of patients with superficial esophageal cancer treated with definitive chemoradiotherapy
Esophagus·2025· 1 cited
Feasibility and safety of endoscopic submucosal dissection for superficial cancer of the remnant esophagus after esophagectomy
Esophagus·2025· 2 cited
P0323 Serum leucine-rich α2-glycoprotein (LRG) and Monocyte chemoattractant protein-1 (MCP-1) as Novel Biomarkers for Predicting Vedolizumab Response in Ulcerative Colitis Patients
Journal of Crohn s and Colitis·2025
Successful Hemostasis by Double-balloon Enteroscopy with Mini-laparotomy for Small-bowel Hemorrhage in a Patient with LVAD: A Case Report
Internal Medicine·2025Open Access
Selection of anti-cytokine biologics by pretreatment levels of serum leucine-rich alpha-2 glycoprotein in patients with inflammatory bowel disease
Scientific Reports·2024· 5 citedOpen Access
A NOVEL ARTIFICIAL INTELLIGENCE–BASED ENDOSCOPIC ULTRASONOGRAPHY DIAGNOSTIC SYSTEM FOR DIAGNOSING THE INVASION DEPTH OF EARLY GASTRIC CANCER
Gastrointestinal Endoscopy·2024
A machine learning model for predicting the lymph node metastasis of early gastric cancer not meeting the endoscopic curability criteria
Gastric Cancer·2024· 11 citedOpen Access
A novel artificial intelligence-based endoscopic ultrasonography diagnostic system for diagnosing the invasion depth of early gastric cancer
Journal of Gastroenterology·2024· 21 citedOpen Access
Sa1779 USEFULNESS OF SERUM LRG AS A BIOMARKER FOR EVALUATING WHOLE COLONIC INFLAMMATION OF ULCERATIVE COLITIS: A MULTICENTER PROSPECTIVE STUDY BY THE OSAKA GUT FORUM
Gastroenterology·2024
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Frequent Co-authors

Yoshiki Tsujii(40), Tetsuo Takehara(39), Yoshito Hayashi(37), Hideki Iijima(29), Shinichiro Shinzaki(26), Shunsuke Yoshii(24), Minoru Kato(20), Takeo Yoshihara(20), Takanori Inoue(18), Akihiko Sakatani(15), Hirotsugu Saiki(14), Keiichi Kimura(12), Takuya Yamada(11), Eiji Kimura(11), Takahiro Amano(10), Satoshi Egawa(10), Satoshi Hiyama(10), Hideharu Ogiyama(9), Shinjiro Yamaguchi(9), Taku Tashiro(9)