H. Ogata

H. Ogata, T. Hibi, Toshiro Sato, 2012, Therapeutic apheresis and dialysis : official peer-reviewed journal of the International Society for Apheresis, the Japanese Society for Apheresis, the Japanese Society for Dialysis Therapy.

The use of infliximab in the prevention of postsurgical recurrence in polysurgery Crohn's disease patients: a pilot open-labeled prospective study

H. Ogata, T. Hibi, Toshiro Sato, 2012, International Journal of Colorectal Disease.

In vivo visualization of trophozoites in patients with amoebic colitis by using a newly developed endocytoscope.

H. Ogata, N. Hosoe, T. Hibi, 2010, Gastrointestinal endoscopy.

Endocytoscopy can be used to assess histological healing in ulcerative colitis

H. Ogata, N. Hosoe, T. Kanai, 2017, Endoscopy.

Pharmacokinetics of Intravenous Peramivir in the Airway Epithelial Lining Fluid of Healthy Volunteers

T. Betsuyaku, H. Ogata, S. Tasaka, 2016, Antiviral therapy.

Does an elemental diet affect operation and/or recurrence rate in Crohn’s disease in Japan?

H. Ogata, T. Hibi, 2003, Journal of Gastroenterology.

Inhibition of neutrophil elastase prevents the development of murine dextran sulfate sodium-induced colitis

H. Ogata, T. Hibi, Toshiro Sato, 2006, Journal of Gastroenterology.

11. Pathophysiology and Treatment of Ulcerative Colitis

H. Ogata, T. Hibi, 2008 .

Nonpathogenic Escherichia coli Strain Nissle 1917 Inhibits Signal Transduction in Intestinal Epithelial Cells

H. Ogata, T. Hibi, S. Okamoto, 2007, Infection and Immunity.

Human intestinal epithelial cell‐derived interleukin (IL)‐18, along with IL‐2, IL‐7 and IL‐15, is a potent synergistic factor for the proliferation of intraepithelial lymphocytes

H. Ogata, M. Ikeda, M. Kurimoto, 2004, Clinical and experimental immunology.

Competition between colitogenic Th1 and Th17 cells contributes to the amelioration of colitis

H. Ogata, T. Hibi, T. Kanai, 2010, European journal of immunology.

Clinical, Endoscopic, and Pathological Characteristics of Immune Checkpoint Inhibitor-Induced Gastroenterocolitis

H. Ogata, N. Hosoe, T. Kanai, 2020, Digestive Diseases and Sciences.

The Role of Endoscopy in Inflammatory Bowel Disease

H. Ogata, 2018 .

Endoscopic Assessment of Disease Activity and Mucosal Healing in Inflammatory Bowel Disease

H. Ogata, T. Hibi, 2012 .

Risk and Management of Intra-Abdominal Abscess in Crohn's Disease Treated with Infliximab

H. Ogata, T. Hibi, J. Miyoshi, 2014, Digestion.

Functional expression of costimulatory molecule CD86 on epithelial cells in the inflamed colonic mucosa.

H. Ogata, H. Ishii, M. Yamazaki, 1999, Gastroenterology.

A pilot open-labeled prospective randomized study between weekly and intensive treatment of granulocyte and monocyte adsorption apheresis for active ulcerative colitis

H. Ogata, T. Hibi, Toshiro Sato, 2008, Journal of Gastroenterology.

Granulocytapheresis Is Useful as an Alternative Therapy in Patients with Steroid-refractory or -dependent Ulcerative Colitis

H. Ogata, T. Hibi, Y. Iwao, 2004, Inflammatory bowel diseases.

Long-term prognosis of patients with ulcerative colitis treated with cytapheresis therapy.

H. Ogata, T. Hibi, Y. Iwao, 2013, Journal of Crohn's & colitis.

Safety of Adalimumab and Predictors of Adverse Events in 1693 Japanese Patients with Crohn’s Disease

T. Matsui, H. Ogata, T. Hibi, 2016, Journal of Crohn's & colitis.

Week 2 Symptomatic Response with Vedolizumab as a Predictive Factor in Japanese Anti-TNFα-Naive Patients with Ulcerative Colitis: A post hoc Analysis of a Randomized, Placebo-Controlled Phase 3 Trial

T. Matsui, H. Ogata, T. Hibi, 2021, Digestion.

Long-term safety and effectiveness of adalimumab in Japanese patients with Crohn’s disease: 3-year results from a real-world study

T. Matsui, H. Ogata, T. Hibi, 2020, Intestinal research.

Mucosal concentrations of N‐acetyl‐5‐aminosalicylic acid related to endoscopic activity in ulcerative colitis patients with mesalamine

H. Ogata, T. Kanai, Y. Iwao, 2020, Journal of gastroenterology and hepatology.

P215 Endoscopic remission (Mayo score 0 rather than score 1) predicts long-term clinical remission in ulcerative colitis

H. Ogata, T. Hibi, T. Kanai, 2013 .

Intracellular metabolic adaptation of intraepithelial CD4+CD8αα+ T lymphocytes

H. Ogata, N. Hosoe, A. Hirao, 2022, iScience.

T-helper 17 and interleukin-17-producing lymphoid tissue inducer-like cells make different contributions to colitis in mice.

H. Ogata, T. Hibi, T. Kanai, 2012, Gastroenterology.

Animal models of inflammatory bowel disease

H. Ogata, T. Hibi, A. Sakuraba, 2002, Journal of Gastroenterology.

Feasibility and Safety of Endoscopic Ischemic Polypectomy and Clinical Outcomes in Patients with Peutz–Jeghers Syndrome (with Video)

H. Ogata, N. Hosoe, T. Kanai, 2022, Digestive Diseases and Sciences.

Endoscopic and Pathologic Changes of the Upper Gastrointestinal Tract in Crohn's Disease

H. Ogata, T. Hibi, T. Kanai, 2014, BioMed research international.

Small-Bowel Lesions in Patients Taking Direct Oral Anticoagulants Detected Using Capsule Endoscopy

H. Ogata, N. Hosoe, N. Araki, 2020, Gastroenterology research and practice.

Single-cell transcriptomics of human gut T cells identifies cytotoxic CD4+CD8A+ T cells related to mouse CD4 cytotoxic T cells

Jay W. Shin, C. Hon, H. Ogata, 2022, Frontiers in Immunology.

Update on the pathophysiology of inflammatory bowel disease

H. Ogata, T. Hibi, 2005 .

Novel pathophysiological concepts of inflammatory bowel disease

H. Ogata, T. Hibi, 2005, Journal of Gastroenterology.

Safety and effectiveness of adalimumab in the treatment of ulcerative colitis: results from a large-scale, prospective, multicenter, observational study

H. Ogata, T. Hibi, Mariko Kobayashi, 2020, Intestinal research.

Cytomegalovirus Is Frequently Reactivated and Disappears Without Antiviral Agents in Ulcerative Colitis Patients

H. Ogata, T. Hibi, Toshiro Sato, 2007, The American Journal of Gastroenterology.

Significance of endoscopic deep small bowel evaluation using balloon-assisted enteroscopy for Crohn’s disease in clinical remission

H. Ogata, N. Hosoe, T. Kanai, 2020, Journal of Gastroenterology.

First trough level of infliximab at week 2 predicts future outcomes of induction therapy in ulcerative colitis—results from a multicenter prospective randomized controlled trial and its post hoc analysis

H. Ogata, T. Hibi, Mamoru Watanabe, 2015, Journal of Gastroenterology.

Predicting outcomes to optimize disease management in inflammatory bowel disease in Japan: their differences and similarities to Western countries

H. Ikeuchi, H. Ogata, T. Hibi, 2018, Intestinal research.

Double‐blind, placebo‐controlled trial of oral tacrolimus (FK506) in the management of hospitalized patients with steroid‐refractory ulcerative colitis

T. Matsui, H. Ogata, T. Hibi, 2012, Inflammatory bowel diseases.

Measurement of Colonic Mucosal Concentrations of 5-Aminosalicylic Acid Is Useful for Estimating Its Therapeutic Efficacy in Distal Ulcerative Colitis: Comparison of Orally Administered Mesalamine and Sulfasalazine

H. Ogata, T. Hibi, H. Ishii, 2001, Inflammatory bowel diseases.

3. Metabolic syndrome and inflammatory bowel disease.

H. Ogata, T. Hibi, 2007, Internal medicine.

Reactivation of hepatitis B in a patient with Crohn’s disease treated using infliximab

H. Ogata, T. Hibi, H. Saito, 2008, Journal of Gastroenterology.

Development of an Indigo Naturalis Suppository for Topical Induction Therapy in Patients with Ulcerative Colitis

H. Ogata, T. Kanai, Y. Iwao, 2019, Digestion.

Efficacy of Therapeutic Intervention for Patients With an Ulcerative Colitis Mayo Endoscopic Score of 1.

H. Ogata, T. Kanai, Y. Iwao, 2018, Inflammatory bowel diseases.

Ulcerative colitis endoscopic index of severity is associated with long‐term prognosis in ulcerative colitis patients treated with infliximab

H. Ogata, T. Kanai, Y. Iwao, 2016, Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society.

Clinical Efficacy and Safety of Oral Qing-Dai in Patients with Ulcerative Colitis: A Single-Center Open-Label Prospective Study

H. Ogata, T. Kanai, Y. Iwao, 2016, Digestion.

Rapid endoscopic improvement is important for 1-year avoidance of colectomy but not for the long-term prognosis in cyclosporine A treatment for ulcerative colitis

H. Ogata, T. Hibi, Y. Iwao, 2010, Journal of Gastroenterology.

A novel apoptosis-inducing monoclonal antibody (anti-LHK) against a cell surface antigen on colon cancer cells

H. Ogata, T. Hibi, T. Mimori, 2005, Journal of Gastroenterology.

Ulcerative colitis exacerbation after the onset of immune checkpoint inhibitor related colitis

H. Ogata, N. Hosoe, T. Kanai, 2020, Clinical Journal of Gastroenterology.

Possible Involvement of Tissue‐Type Plasminogen Activator in Gastric Ulcer Formation —Biochemical Evaluation Using Biopsy Specimens From Gastric Mucosa—

H. Ogata, T. Hibi, M. Suematsu, 1990 .

Enrichment of type I interferon signaling in colonic group 2 innate lymphoid cells in experimental colitis

H. Ogata, N. Hosoe, T. Kanai, 2022, Frontiers in Immunology.

Novel endoscopic activity index is useful for choosing treatment in severe active ulcerative colitis patients

H. Ogata, T. Hibi, T. Kanai, 2010, Journal of Gastroenterology.

Gastrointestinal endoscopy in the era of the acute pandemic of coronavirus disease 2019: Recommendations by Japan Gastroenterological Endoscopy Society (Issued on April 9th, 2020)

H. Ogata, H. Tajiri, H. Inoue, 2020, Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society.

Factors predicting the therapeutic response to infliximab during maintenance therapy in Japanese patients with Crohn’s disease

H. Ogata, T. Kanai, M. Mochizuki, 2018, PloS one.

Interleukin 2 and interferon-y augment anticolon antibody dependent cellular cytotoxicity in ulcerative colitis

H. Ogata, T. Kanai, S. Aiso, 2006 .

The Ulcerative Colitis Endoscopic Index of Severity is Useful to Predict Medium- to Long-Term Prognosis in Ulcerative Colitis Patients with Clinical Remission.

H. Ogata, N. Hosoe, T. Kanai, 2016, Journal of Crohn's & colitis.

The risk factor of clinical relapse in ulcerative colitis patients with low dose 5-aminosalicylic acid as maintenance therapy: A report from the IBD registry

H. Ogata, T. Kanai, Y. Iwao, 2017, PloS one.

Prospective, randomized, placebo‐controlled trial evaluating the efficacy and safety of propofol sedation by anesthesiologists and gastroenterologist‐led teams using computer‐assisted personalized sedation during upper and lower gastrointestinal endoscopy

S. Kudo, H. Ogata, N. Hosoe, 2016, Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society.

Novel, Objective, Multivariate Biomarkers Composed of Plasma Amino Acid Profiles for the Diagnosis and Assessment of Inflammatory Bowel Disease

Toshifumi Hibi, Haruhiko Ogata, Manabu Suzuki, 2012, PloS one.

Obscure gastrointestinal bleeding: resection of a pyogenic granuloma of the ileum via double-balloon enteroscopy

H. Ogata, N. Hosoe, T. Kanai, 2014, Clinical Journal of Gastroenterology.

A Case of Cytomegalovirus Colitis

H. Ogata, T. Hibi, H. Ishii, 1998 .

Endoscopic imaging of parasites in the human digestive tract.

H. Ogata, N. Hosoe, T. Hibi, 2014, Parasitology international.

TWO CASES OF AMOEBIC COLITIS IN WHICH SEROLOGICAL TESTS WERE USEFUL FOR THE DIFFERENTIAL DIAGNOSIS

H. Ogata, T. Hibi, H. Asakura, 1990 .

Pharmacokinetics of arbekacin in bronchial epithelial lining fluid of healthy volunteers.

T. Betsuyaku, H. Ogata, S. Tasaka, 2014, Journal of infection and chemotherapy : official journal of the Japan Society of Chemotherapy.

In vitro anticolon antibody production by mucosal or peripheral blood lymphocytes from patients with ulcerative colitis.

H. Ogata, Y. Iwao, K. Toda, 1990, Gut.

Recent trends in diagnostic techniques for inflammatory bowel disease

H. Ogata, N. Hosoe, T. Kanai, 2015, The Korean journal of internal medicine.

A Hereditary Enteropathy Caused by Mutations in the SLCO2A1 Gene, Encoding a Prostaglandin Transporter

T. Matsui, H. Ogata, N. Hosoe, 2015, PLoS genetics.

Advanced endoscopy for the management of inflammatory digestive diseases: Review of the Japan Gastroenterological Endoscopy Society core session

H. Ogata, Y. Naito, T. Kanai, 2022, Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society.

Long‐term effect of NUDT15 R139C on hematologic indices in inflammatory bowel disease patients treated with thiopurine

H. Ogata, K. Ohtsuka, T. Kanai, 2019, Journal of gastroenterology and hepatology.

Use of corticosteroids for remission induction therapy in patients with new-onset ulcerative colitis in real-world settings

H. Ogata, Y. Yoshiyama, M. Okayasu, 2019, Journal of market access & health policy.

Clinical significance of serum p53 antibodies in patients with ulcerative colitis and its carcinogenesis

H. Ogata, T. Hibi, Y. Kawakami, 2007, Inflammatory bowel diseases.

A case of intestinal Behçet's disease treated with infliximab monotherapy who successfully maintained clinical remission and complete mucosal healing for six years.

H. Ogata, T. Hibi, T. Kanai, 2012, Internal medicine.

Efficacy of infliximab for induction and maintenance of remission in intestinal Behçet's disease

H. Ogata, T. Hibi, Y. Iwao, 2008, Inflammatory bowel diseases.

Clinical Practice Guideline for Enteroscopy

T. Matsui, H. Ogata, K. Ohtsuka, 2017, Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society.

Guideline Clinical Practice Guideline for Enteroscopy

T. Matsui, H. Ogata, K. Ohtsuka, 2017 .

Effectiveness and clinical results of endoscopic management of sigmoid volvulus using unsedated water‐immersion colonoscopy

H. Ogata, N. Hosoe, T. Kanai, 2014, Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society.

Efficacy of apheresis as maintenance therapy for patients with ulcerative colitis in an open-label prospective multicenter randomised controlled trial

H. Ogata, T. Hibi, T. Sakurai, 2019, Journal of Gastroenterology.

Regulatory T cells suppress development of colitis, blocking differentiation of T-helper 17 into alternative T-helper 1 cells.

H. Ogata, T. Hibi, A. Yoshimura, 2011, Gastroenterology.

A specific genetic alteration on chromosome 6 in ulcerative colitis-associated colorectal cancers.

H. Ogata, T. Hibi, H. Ishii, 2003, Cancer research.

Mucosa in Ulcerative Colitis Colitis-associated Colon Cancer and Severely Inflamed Interferon-inducible Gene Family 1-8u Expression in Updated Version Cited Articles Citing Articles E-mail Alerts Interferon-inducible Gene Family 1-8u Expression in Colitis-associated Colon Cancer and Severely Inflame

H. Ogata, T. Hibi, H. Ishii, 2013 .

Restricted VH Gene Usage in Lamina Propria B Cells Producing Anticolon Antibody From Patients With Ulcerative Colitis

H. Ogata, T. Hibi, Toshiro Sato, 2001 .

Clinical utility of novel ultrathin single-balloon enteroscopy: a feasibility study

H. Ogata, N. Hosoe, T. Kanai, 2018, Endoscopy.

Endoscopic removal of foreign bodies: A retrospective study in Japan

H. Ogata, N. Hosoe, T. Kanai, 2020, World journal of gastrointestinal endoscopy.

Impact of electrical pulse cut mode during endoscopic papillectomy: Pilot randomized clinical trial

H. Ogata, T. Itoi, T. Kanai, 2020, Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society.

Effect of lansoprazole versus roxatidine on prevention of bleeding and promotion of ulcer healing after endoscopic submucosal dissection for superficial gastric neoplasia

H. Ogata, N. Hosoe, T. Hibi, 2011, Journal of Gastroenterology.

Endoscopic submucosal dissection using the Flex and the Dual knives

H. Ogata, N. Hosoe, T. Hibi, 2011 .

Advanced endoscopic submucosal dissection with traction.

H. Ogata, N. Hosoe, T. Kanai, 2014, World journal of gastrointestinal endoscopy.

Guidelines for endoscopic balloon dilation in treating Crohn's disease‐associated small intestinal strictures (supplement to the Clinical Practice Guidelines for Enteroscopy)

H. Ogata, N. Hosoe, K. Ohtsuka, 2022, Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society.

Predictors of necessity for endoscopic balloon dilatation in patients with Crohn’s disease-related small bowel stenosis

H. Ogata, N. Hosoe, T. Kanai, 2021, Annals of medicine.

Percutaneous endoscopic gastrostomy under steady pressure automatically controlled endoscopy: First clinical series.

H. Ogata, N. Hosoe, T. Hibi, 2016, World journal of gastrointestinal endoscopy.

Underwater endoscopic mucosal resection for a sporadic adenoma located at severe longitudinal ulcer scars in ulcerative colitis

H. Ogata, T. Kanai, N. Yahagi, 2021, Endoscopy.

Evaluation of the severity of ulcerative colitis using endoscopic dual red imaging targeting deep vessels

H. Ogata, N. Hosoe, T. Kanai, 2017, Endoscopy International Open.

The Horibe GI bleeding prediction score: a simple score for triage decision-making in patients with suspected upper GI bleeding.

H. Ogata, N. Hosoe, Juntaro Matsuzaki, 2020, Gastrointestinal endoscopy.

A long (7 cm) prophylactic pancreatic stent decreases incidence of post-endoscopic papillectomy pancreatitis: a retrospective study

H. Ogata, T. Kanai, M. Kitago, 2019, Endoscopy International Open.

Efficacy of Novel Ultrathin Single-Balloon Enteroscopy for Crohn’s Disease: A Propensity Score-Matched Study

H. Ogata, N. Hosoe, T. Kanai, 2019, Gut and liver.

Successful Pancreatic Duct Stent Placement for Recurrent Pancreatitis in a Patient with Polysplenia with Agenesis of the Dorsal Pancreas and Peutz-Jeghers Syndrome.

H. Ogata, N. Hosoe, T. Itoi, 2016, Internal medicine.

Measurement of prostaglandin metabolites is useful in diagnosis of small bowel ulcerations

T. Matsui, H. Ogata, N. Hosoe, 2019, World journal of gastroenterology.

Microscopic colitis with granuloma which responded to steroid therapy.

H. Ogata, T. Hibi, H. Higuchi, 2007, Internal medicine.

Moderate Dietary Temperance Effectively Prevents Relapse of Crohn Disease: A Prospective Study of Patients in Remission

H. Ogata, T. Hibi, S. Sasaki, 2007, Gastroenterology nursing : the official journal of the Society of Gastroenterology Nurses and Associates.

Cytokine and anti-cytokine therapies for inflammatory bowel disease.

H. Ogata, T. Hibi, 2003, Current pharmaceutical design.

Comparison of efficacies of once-daily dose multimatrix mesalazine and multiple-dose mesalazine for the maintenance of remission in ulcerative colitis: a randomized, double-blind study

H. Ogata, T. Hibi, Atsushi Hagino, 2017, Intestinal research.

Comparison of efficacy of once daily multimatrix mesalazine 2.4 g/day and 4.8 g/day with other 5-aminosalicylic acid preparation in active ulcerative colitis: a randomized, double-blind study

H. Ogata, T. Hibi, T. Yokoyama, 2018, Intestinal Research.

Current status of capsule endoscopy through a whole digestive tract

H. Ogata, N. Hosoe, M. Naganuma, 2015, Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society.

Introduction and overview: recent advances in the immunotherapy of inflammatory bowel disease.

H. Ogata, T. Hibi, M. Naganuma, 2003, Journal of gastroenterology.

Comparison of efficacy of multimatrix mesalazine 4.8 g/day once-daily with other high-dose mesalazine in active ulcerative colitis: a randomized, double-blind study

H. Ogata, T. Hibi, N. Aoyama, 2017, Intestinal research.

Insertability comparison of passive bending single-balloon prototype versus standard single-balloon enteroscopy: a multicenter randomized non-blinded trial

S. Kudo, H. Ogata, N. Hosoe, 2018, Endoscopy International Open.

5-Aminosalicylic acid aggravates colitis mimicking exacerbation of ulcerative colitis

H. Ogata, T. Hibi, J. Miyoshi, 2018, Intestinal research.

The Serum Factor from Patients with Ulcerative Colitis that Induces T Cell Proliferation in the Mouse Thymus Is Interleukin-7

H. Ogata, T. Hibi, H. Ishii, 1997, Journal of Clinical Immunology.

Thymectomy in ulcerative colitis: a report of cases over a 13 year period.

H. Ogata, H. Asakura, S. Aiso, 1991, Thymus.

T. Kinoshita, H. Ogata, S. Nonen, 2019, Neuropsychobiology.

Capsule endoscopy for small‐intestinal disorders: Current status

H. Ogata, N. Hosoe, T. Kanai, 2019, Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society.

Factors predicting major complications, mortality, and recovery in percutaneous endoscopic gastrostomy

H. Ogata, N. Hosoe, T. Kanai, 2021, JGH open : an open access journal of gastroenterology and hepatology.

Effectiveness and Durability of Ustekinumab Therapy With or Without Immunomodulators for Ulcerative Colitis Patients in Japan

H. Ogata, N. Hosoe, Y. Iwao, 2022, Crohn's & colitis 360.

Imbalance in intestinal microflora constitution could be involved in the pathogenesis of inflammatory bowel disease.

H. Ogata, T. Hibi, H. Higuchi, 2008, International journal of medical microbiology : IJMM.

Mucosal healing with oral tacrolimus is associated with favorable medium- and long-term prognosis in steroid-refractory/dependent ulcerative colitis patients.

H. Ogata, T. Hibi, Toshiro Sato, 2013, Journal of Crohn's & colitis.

Association of pseudomembranous colitis with Henoch-Schönlein purpura

H. Ogata, T. Hibi, H. Ishii, 2005, Journal of Gastroenterology.

A case of IgA-related enteropathy complicated with gastrointestinal bleeding and progressive IgA nephropathy: a possible variant Henoch-Schönlein purpura?

H. Ogata, N. Hosoe, T. Hibi, 2010, Internal medicine.

Evaluation of small-intestinal abnormalities in adult patients with Henoch-Schönlein purpura using video capsule.

T. Hibi, H. Ogata, N. Hosoe, 2011, Endoscopy.

Chronic Enteropathy Associated With SLCO2A1 Gene [CEAS]-Characterisation of an Enteric Disorder to be Considered in the Differential Diagnosis of Crohn's Disease.

H. Ogata, N. Hosoe, N. Ohmiya, 2017, Journal of Crohn's & colitis.

Perspectives of East Asian patients and physicians on complementary and alternative medicine use for inflammatory bowel disease: results of a cross-sectional, multinational study

H. Ogata, K. Ohtsuka, B. Jang, 2022, Intestinal research.

Treatment escalation and de-escalation decisions in Crohn’s disease: Delphi consensus recommendations from Japan, 2021

T. Matsui, H. Ogata, M. Saruta, 2023, Journal of Gastroenterology.

Factors contributing to the systemic clearance of infliximab with long-term administration in Japanese patients with Crohn's disease: Analysis using population pharmacokinetics .

H. Ogata, T. Kanai, M. Mochizuki, 2020, International journal of clinical pharmacology and therapeutics.

Clinical features of chronic enteropathy associated with SLCO2A1 gene: a new entity clinically distinct from Crohn’s disease

T. Matsui, H. Ogata, N. Hosoe, 2018, Journal of Gastroenterology.

Su2031 Evaluation of Severity Using Endoscopic Dual Red Imaging Targeting Submucosal Vessel in Patients With Ulcerative Colitis

H. Ogata, N. Hosoe, T. Kanai, 2015 .

In Vivo Visualization and Evaluation of Colorectal Inflammation in Ulcerative Colitis by a Newly Integrated Endocytoscopy

H. Ogata, N. Hosoe, T. Hibi, 2011 .

Efficacy of capnographic and bispectral index monitoring on trans‐oral therapeutic endoscopy: A prospective observational study

H. Ogata, N. Hosoe, T. Kanai, 2022, Journal of gastroenterology and hepatology.

Characteristics of the Mucosal Surface on Scanning Electron Microscopy in Patients with Remitting Ulcerative Colitis

H. Ogata, N. Hosoe, T. Kanai, 2020, Digestive Diseases and Sciences.

Surveillance using trimodal imaging endoscopy after endoscopic submucosal dissection for superficial gastric neoplasia.

H. Ogata, N. Hosoe, T. Hibi, 2014, World journal of gastroenterology.

Autofluorescence videoendoscopy system using the SAFE‐3000 for assessing superficial gastric neoplasia

H. Ogata, N. Hosoe, T. Hibi, 2010, Journal of gastroenterology and hepatology.

USEFULNESS OF DETECTION OF BLEEDING SITES USING THE SYSTEM OF SQUIRTING WATER

H. Ogata, N. Hosoe, T. Hibi, 2005 .

Role of Enhanced Visibility in Evaluating Polyposis Syndromes Using a Newly Developed Contrast Image Capsule Endoscope

J. Rey, H. Ogata, N. Hosoe, 2012, Gut and liver.

PARTIAL REGRESSION OF DUODENAL LESIONS OF INTESTINAL FOLLICULAR LYMPHOMA AFTER ANTIBIOTIC TREATMENT

H. Ogata, N. Hosoe, T. Hibi, 2010, Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society.

Cross-sectional small intestinal surveillance of maintenance hemodialysis patients using video capsule endoscopy: SCHEMA study

H. Ogata, N. Hosoe, T. Hibi, 2016, Endoscopy International Open.

Applicability of second‐generation colon capsule endoscope to ulcerative colitis: A clinical feasibility study

H. Ogata, N. Hosoe, T. Hibi, 2013, Journal of gastroenterology and hepatology.

Clinical and Endoscopic Characteristics of Pyogenic Granuloma in the Small Intestine: A Case Series with Literature Review

H. Ogata, N. Hosoe, T. Kanai, 2019, Internal medicine.

Anticoagulation therapy dramatically improved severe sigmoiditis with findings resembling inflammatory bowel disease, which was caused by mesenteric venous thrombosis

H. Ogata, T. Hibi, T. Kanai, 2012, Clinical Journal of Gastroenterology.

Innate immunity in inflammatory bowel disease: state of the art

H. Ogata, T. Hibi, T. Hisamatsu, 2008, Current opinion in gastroenterology.

Epstein–Barr Virus-Associated Gastritis: A Case Report

H. Ogata, N. Hosoe, T. Hibi, 2013, Digestive Diseases and Sciences.

Successful EUS-guided antegrade stenting for malignant severe biliary obstruction combined with a newly developed plastic stent

H. Ogata, T. Itoi, T. Kanai, 2018, Endoscopy International Open.

Modified bowel preparation regimen for use in second‐generation colon capsule endoscopy in patients with ulcerative colitis

H. Ogata, N. Hosoe, T. Hibi, 2014, Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society.

Current status of colon capsule endoscopy

H. Ogata, N. Hosoe, T. Kanai, 2020, Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society.

Colon Capsule Endoscopy for Inflammatory Bowel Disease

H. Ogata, N. Hosoe, Yukie Hayashi, 2020, Clinical endoscopy.

Benefits and challenges in implementation of artificial intelligence in colonoscopy: World Endoscopy Organization position statement

D. Hewett, S. Kudo, H. Ogata, 2023, Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society.

Polyp detection rate in transverse and sigmoid colon significantly increases with longer withdrawal time during screening colonoscopy

H. Ogata, T. Kanai, Y. Sugino, 2017, PloS one.

Detection of esophageal fiducial marker displacement during radiation therapy with a 2-dimensional on-board imager: analysis of internal margin for esophageal cancer.

Toshio Ohashi, Yuko Kitagawa, Naoyuki Shigematsu, 2013, International journal of radiation oncology, biology, physics.

Difference in the clinical characteristic and prognosis of colitis-associated cancer and sporadic neoplasia in ulcerative colitis patients.

H. Ogata, N. Hosoe, T. Kanai, 2019, Digestive and liver disease : official journal of the Italian Society of Gastroenterology and the Italian Association for the Study of the Liver.

Application and Efficacy of Super-Magnifying Endoscopy for the Lower Intestinal Tract

H. Ogata, N. Hosoe, 2016, Clinical endoscopy.

Clinical results of observation of the upper gastrointestinal tract by transgastrostomic endoscopy using an ultrathin endoscope

H. Ogata, N. Hosoe, T. Hibi, 2010, Journal of gastroenterology and hepatology.

A male Korean who was diagnosed with chronic enteropathy associated with SLCO2A1 (CEAS): case report with literature review

H. Ogata, N. Hosoe, T. Kanai, 2018, BMJ open gastroenterology.

Tu1661 “Passive-Vending Colonoscope” Significantly Improves Cecal Intubation and Reduces the Pain in Difficult Cases

H. Ogata, T. Hibi, T. Mizukami, 2012 .

"Passive-bending colonoscope" significantly improves cecal intubation in difficult cases.

H. Ogata, T. Mizukami, T. Hibi, 2012, World Journal of Gastroenterology.

A narrative review of recent progress and current perspectives on video capsule endoscopy

H. Ogata, N. Hosoe, T. Kanai, 2021 .

Sa1936 Anti-Viral Therapy is Not Necessarily Indicated in Ulcerative Colitis Patients With Cytomegalovirus Infection Detected by Immunohistochemistry

H. Ogata, T. Hibi, J. Miyoshi, 2012 .

Clinical Questions and Answers on Gastrointestinal Endoscopy during the Novel Coronavirus Disease 2019 pandemic

H. Ogata, H. Tajiri, H. Inoue, 2020, Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society.

Clinical Impact of a Newly-Developed Capsule Endoscope: Usefulness of a Real Time Image Viewer Against Gastrointestinal Transit Abnormality

H. Ogata, T. Hibi, K. Kumai, 2006 .

CLINICAL RESULTS OF ENDOSCOPIC HEMOSTASIS USING A SHORT TRANSPARENT HOOD AND SHORT HEMOCLIPS FOR NON‐VARICEAL UPPER GASTROINTESTINAL BLEEDING

H. Ogata, N. Hosoe, T. Hibi, 2009, Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society.

Procedure of Endoscopic Hemostasis Using a Distal Attachment and Short Clips Against Upper Gastrointestinal Bleeding

H. Ogata, N. Hosoe, T. Hibi, 2004 .

New strategy for evaluating pancreatic tissue specimens from endoscopic ultrasound‐guided fine needle aspiration and surgery

H. Ogata, T. Kanai, M. Kitago, 2021, JGH open : an open access journal of gastroenterology and hepatology.

Intramucosal poorly differentiated and signet‐ring cell components in patients with ulcerative colitis‐associated high‐grade dysplasia

H. Ogata, T. Kanai, M. Shimoda, 2019, Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society.

Video capsule endoscopy in inflammatory bowel disease

H. Ogata, N. Hosoe, T. Kanai, 2021, DEN open.

Clinical characteristics and outcomes of duodenal-type follicular lymphoma

H. Ogata, N. Hosoe, T. Kanai, 2020, Leukemia & lymphoma.

Histological transformation in duodenal-type follicular lymphoma: a case report and review of the literature

H. Ogata, N. Hosoe, Jun Kato, 2019, Oncotarget.

Clinical characteristics and long-term prognosis of type 1 gastric neuroendocrine tumors in a large Japanese national cohort.

H. Ogata, H. Iishi, T. Gotoda, 2023, Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society.

Evaluations of capsule endoscopy software in reducing the reading time and the rate of false negatives by inexperienced endoscopists.

Jean-François Rey, Naoki Hosoe, Hiroyuki Imaeda, 2012, Clinics and research in hepatology and gastroenterology.

Clinical impact of a newly developed capsule endoscope: usefulness of a real-time image viewer for gastric transit abnormality

H. Ogata, T. Hibi, K. Kumai, 2008, Journal of Gastroenterology.

A case of beef tapeworm (Taenia saginata) infection observed by using video capsule endoscopy and radiography (with videos).

H. Ogata, N. Hosoe, T. Hibi, 2011, Gastrointestinal endoscopy.

A Case of Tapeworm Infection Observed by Video Capsule Endoscopy

H. Ogata, N. Hosoe, T. Hibi, 2013 .

Various Endoscopic Features in Monomorphic Epitheliotropic Intestinal T-Cell Lymphoma

H. Ogata, N. Hosoe, T. Kanai, 2021, Case Reports in Gastroenterology.

A Novel Autofluorescence Video Endoscopy System (SAFE-3000) for Diagnosis of Gastric and Esophageal Neoplasms

H. Ogata, N. Hosoe, T. Hibi, 2007 .

Usefulness of Texture and Color Enhancement Imaging (TXI) in Assessing Mucosal Healing in Patients with Ulcerative Colitis.

H. Ogata, N. Hosoe, T. Kanai, 2022, Gastrointestinal endoscopy.

P136 Simple endoscopic score for Crohn's disease (SES-CD) predicts long-term prognosis in Crohn's disease patients with clinical remission

H. Ogata, T. Kanai, Y. Iwao, 2014 .

Chronic Enteropathy Associated with Solute Carrier Organic Anion Transporter Family, Member 2A1 (SLCO2A1) with Positive Immunohistochemistry for SLCO2A1 Protein

H. Ogata, N. Hosoe, K. Kosaki, 2022, Internal medicine.

Development of a Deep-Learning Algorithm for Small Bowel-Lesion Detection and a Study of the Improvement in the False-Positive Rate

H. Ogata, N. Hosoe, T. Kanai, 2022, Journal of clinical medicine.

Downregulation of chemokine receptor 9 facilitates CD4+CD8αα+ intraepithelial lymphocyte development

Tsuyoshi Koide, H. Ogata, N. Hosoe, 2023, Nature communications.

Risk of venous thromboembolism with a central venous catheter in hospitalized Japanese patients with inflammatory bowel disease: a propensity score-matched cohort study

H. Ogata, N. Hosoe, Y. Iwao, 2023, Intestinal research.

Current status of capsule endoscopy through a whole digestive tract

H. Ogata, N. Hosoe, M. Naganuma, 2015, Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society.

D-amino Acids Ameliorate Experimental Colitis and Cholangitis by Inhibiting Growth of Proteobacteria: Potential Therapeutic Role in Inflammatory Bowel Disease

H. Ogata, N. Hosoe, K. Atarashi, 2023, Cellular and Molecular Gastroenterology and Hepatology.

Effects of the Oral Administration of Mosapride Citrate on Capsule Endoscopy Completion Rate

H. Ogata, N. Hosoe, T. Hibi, 2012, Gut and liver.

Modified bowel preparation regimen for use in second‐generation colon capsule endoscopy in patients with ulcerative colitis

H. Ogata, N. Hosoe, T. Hibi, 2014, Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society.

Applicability of second‐generation colon capsule endoscope to ulcerative colitis: A clinical feasibility study

H. Ogata, N. Hosoe, T. Hibi, 2013, Journal of gastroenterology and hepatology.

Clinical Practice Guideline for Enteroscopy

T. Matsui, H. Ogata, K. Ohtsuka, 2017, Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society.

2. Capsule Endoscopy

H. Ogata, N. Hosoe, Naoki Hosoe, 2011 .

Novel mainstream capnometer system is safe and feasible even under CO2 insufflation during ERCP-related procedure: a pilot study

H. Ogata, T. Kanai, T. Masaoka, 2019, BMJ open gastroenterology.

Invasion

H. Ogata, T. Kanai, N. Yahagi, 2019, From Miniskirt to Hijab.

Video capsule endoscopy in overt and occult obscure gastrointestinal bleeding: Insights from a single‐center, observational study in Japan

H. Ogata, K. Takabayashi, Y. Mikami, 2024, DEN open.

Clinical outcomes of patients with remitting ulcerative colitis after discontinuation of indigo naturalis

H. Ogata, M. Naganuma, K. Takabayashi, 2024, Scientific reports.

NOVEL TECHNIQUE OF ENDOSCOPIC SUBMUCOSAL DISSECTION USING AN EXTERNAL GRASPING FORCEPS FOR SUPERFICIAL GASTRIC NEOPLASIA

H. Ogata, T. Hibi, K. Kumai, 2009, Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society.