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Anti-integrin αvβ6 autoantibody in patients with ulcerative colitis after proctocolectomy: a cross-sectional study in Japan. 日本直结肠切除术后溃疡性结肠炎患者抗整合素αvβ6自身抗体的横断面研究
IF 4.7
Intestinal Research Pub Date : 2026-04-01 Epub Date: 2025-04-29 DOI: 10.5217/ir.2024.00170
Tsuyoshi Yanagida, Yu Nishida, Yumie Kobayashi, Rieko Nakata, Shuhei Hosomi, Hirotsugu Maruyama, Masaki Ominami, Yuji Nadatani, Shusei Fukunaga, Koji Otani, Fumio Tanaka, Yasuhiro Fujiwara
{"title":"Anti-integrin αvβ6 autoantibody in patients with ulcerative colitis after proctocolectomy: a cross-sectional study in Japan.","authors":"Tsuyoshi Yanagida, Yu Nishida, Yumie Kobayashi, Rieko Nakata, Shuhei Hosomi, Hirotsugu Maruyama, Masaki Ominami, Yuji Nadatani, Shusei Fukunaga, Koji Otani, Fumio Tanaka, Yasuhiro Fujiwara","doi":"10.5217/ir.2024.00170","DOIUrl":"10.5217/ir.2024.00170","url":null,"abstract":"<p><strong>Background/aims: </strong>Pouchitis is a common complication in patients with ulcerative colitis (UC) following colectomy with ileal pouch-anal anastomosis (IPAA). Recent studies have identified a novel autoantibody against integrin αvβ6 in patients with UC, correlated with disease activity. This study aimed to assess the association between serum anti-integrin αvβ6 antibody levels and pouch inflammation in patients with postoperative UC.</p><p><strong>Methods: </strong>Serum anti-integrin αvβ6 antibodies were measured using enzyme-linked immunosorbent assay in patients after IPAA, patients with UC, and controls.</p><p><strong>Results: </strong>We examined sera from 71 subjects, including 28 patients who underwent IPAA, 23 controls, and 20 patients with mild and moderate-to-severe UC. Post-IPAA, patients with UC had higher median anti-integrin αvβ6 levels than that of controls (P<0.001) but lower than that of patients with active UC (P=0.001). Patients with pouchitis had higher antibody levels than those without (P=0.047). The receiver operating characteristics curve for anti-integrin αvβ6 showed an area under the curve of 0.724. The pouchitis activity index endoscopic sub-score was correlated with antibody levels (r= 0.48, P=0.011).</p><p><strong>Conclusions: </strong>Serum anti-integrin αvβ6 antibody levels remain elevated in patients with UC even after total colectomy, and were significantly higher in patients with pouchitis than in those without. This antibody could be a novel and useful biomarker for the diagnosis of pouchitis and assessment of disease activity.</p>","PeriodicalId":14481,"journal":{"name":"Intestinal Research","volume":" ","pages":"248-254"},"PeriodicalIF":4.7,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13153843/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144024357","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Ulcerative colitis disease severity affects the speed of symptom relief under filgotinib treatment: a post hoc analysis of the phase 2b/3 SELECTION study. 溃疡性结肠炎疾病严重程度影响非戈替尼治疗下症状缓解的速度:一项2b/3期SELECTION研究的事后分析
IF 4.7
Intestinal Research Pub Date : 2026-04-01 Epub Date: 2025-06-30 DOI: 10.5217/ir.2024.00169
Masayuki Saruta, Silvio Danese, Yoshie Takatori, Toshihiko Kaise, Christine Rudolph, Marc Ferrante, Toshifumi Hibi
{"title":"Ulcerative colitis disease severity affects the speed of symptom relief under filgotinib treatment: a post hoc analysis of the phase 2b/3 SELECTION study.","authors":"Masayuki Saruta, Silvio Danese, Yoshie Takatori, Toshihiko Kaise, Christine Rudolph, Marc Ferrante, Toshifumi Hibi","doi":"10.5217/ir.2024.00169","DOIUrl":"10.5217/ir.2024.00169","url":null,"abstract":"<p><strong>Background/aims: </strong>Filgotinib is an oral, once-daily, Janus kinase 1 preferential inhibitor approved for the treatment of ulcerative colitis (UC). This study aimed to assess symptomatic response with filgotinib 200 mg (FIL200) according to disease severity using baseline partial Mayo Clinic Score (pMCS).</p><p><strong>Methods: </strong>In the phase 2b/3 SELECTION study (NCT02914522), adults with moderate-to-severe UC were randomized to receive FIL200, filgotinib 100 mg, or placebo for 11 weeks in induction studies A (biologic-naive) and B (biologic-experienced). In this post hoc analysis, symptomatic remission (Mayo rectal bleeding subscore of 0 and stool frequency subscore ≤ 1) rates were assessed daily from baseline to day 15 and fortnightly from week 2 to week 10 by baseline pMCS (pMCS ≥ 7, pMCS < 7) in patients who received induction FIL200.</p><p><strong>Results: </strong>Of those who received FIL200 in induction studies A and B, 90 and 148 patients had a pMCS ≥ 7, and 155 and 114 had a pMCS < 7, respectively. Symptomatic remission rates were generally significantly higher in the pMCS < 7 than ≥ 7 group from day 2-15 (day 2: 8.4% vs. 1.1%, P= 0.009 [induction study A]; 8.8% vs. 0.7%, P= 0.004 [induction study B]). However, by week 10, there was no longer a significant difference in the rates between the pMCS ≥ 7 and < 7 groups (43.3% vs. 54.8%, P= 0.124 [induction study A]; 26.4% vs. 39.5%, P= 0.099 [induction study B]).</p><p><strong>Conclusions: </strong>Symptomatic response to FIL200 occurred more rapidly in the less severe disease groups than in the more severe disease groups; however, regardless of disease severity, both groups benefited from continued FIL200 treatment.</p>","PeriodicalId":14481,"journal":{"name":"Intestinal Research","volume":" ","pages":"329-340"},"PeriodicalIF":4.7,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13153841/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144527974","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Practices and perceptions of imaging assessment in inflammatory bowel disease: a nationwide survey of physicians in Korea by the KASID Guidelines Taskforce Team. 炎性肠病影像学评估的实践和认知:KASID指南工作组对韩国医生的全国性调查
IF 4.7
Intestinal Research Pub Date : 2026-04-01 Epub Date: 2026-04-17 DOI: 10.5217/ir.2026.00043
Ji Eun Kim, Young Joo Yang, June Hwa Bae, Seung Yong Shin, Dong Hyun Kim, Seung Min Hong, Eun Mi Song, Jiyoung Yoon, Sang-Bum Kang, Eun Soo Kim, Sung Eun Kim, Seong-Jung Kim, Jun Lee, Soo-Young Na, Soo Jung Park, Sang Hyoung Park, Myung Ha Kim, Won Moon, Sung-Ae Jung
{"title":"Practices and perceptions of imaging assessment in inflammatory bowel disease: a nationwide survey of physicians in Korea by the KASID Guidelines Taskforce Team.","authors":"Ji Eun Kim, Young Joo Yang, June Hwa Bae, Seung Yong Shin, Dong Hyun Kim, Seung Min Hong, Eun Mi Song, Jiyoung Yoon, Sang-Bum Kang, Eun Soo Kim, Sung Eun Kim, Seong-Jung Kim, Jun Lee, Soo-Young Na, Soo Jung Park, Sang Hyoung Park, Myung Ha Kim, Won Moon, Sung-Ae Jung","doi":"10.5217/ir.2026.00043","DOIUrl":"10.5217/ir.2026.00043","url":null,"abstract":"<p><strong>Background/aims: </strong>Imaging-based assessment is essential for evaluating disease activity and structural damage in inflammatory bowel disease (IBD). This study aimed to evaluate real-world use and perceptions of imaging modalities among Korean IBD experts and to identify implications for future domestic guideline development.</p><p><strong>Methods: </strong>A nationwide, web-based survey was conducted among board-certified gastroenterologists affiliated with the Korean Association for the Study of Intestinal Diseases. The questionnaire assessed respondent characteristics, imaging modality use in Crohn's disease (CD) and ulcerative colitis (UC), and perceptions of clinical utility using a 5-point Likert scale. Results were summarized as frequencies and percentages.</p><p><strong>Results: </strong>Of 150 invited clinicians, 133 responded, with 74.4% practicing in tertiary referral centers. In CD, computed tomography enterography (CTE) and magnetic resonance enterography (MRE) were the most used modalities at diagnosis and follow-up. In contrast, IUS utilization was low (6.8% at diagnosis and 10.5% during follow-up), and 82.0% reported no intestinal ultrasound (IUS) use in the preceding year. In UC, CT-based strategies also predominated, and more than half reported no imaging during follow-up. Major barriers to IUS adoption included limited experience, time constraints, and institutional or equipment limitations. CT/CTE and MRE were perceived as useful for diagnosis and complication assessment, whereas IUS was viewed as suitable for repeated monitoring but highly operator dependent.</p><p><strong>Conclusions: </strong>IBD imaging practices in Korea rely predominantly on CT-based modalities, with limited real-world use of MRE and IUS despite their recognized clinical potential. Future Korean guidelines should acknowledge these real-world limitations while encouraging gradual integration of MRE and IUS.</p>","PeriodicalId":14481,"journal":{"name":"Intestinal Research","volume":" ","pages":"270-280"},"PeriodicalIF":4.7,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13153856/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147722814","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Clinical spectrum of acute severe ulcerative colitis in the biologic era: a prospective cohort study from India. 生物时代急性严重溃疡性结肠炎的临床谱:一项来自印度的前瞻性队列研究。
IF 4.7
Intestinal Research Pub Date : 2026-04-01 Epub Date: 2025-06-09 DOI: 10.5217/ir.2024.00189
Arshdeep Singh, Mayur Luthra, Arshia Bhardwaj, Ramit Mahajan, Riya Sharma, Dharmatma Singh, Devanshi Jain, Omesh Goyal, Varun Mehta, Kirandeep Kaur, Yogesh Kumar Gupta, Vandana Midha, Ajit Sood
{"title":"Clinical spectrum of acute severe ulcerative colitis in the biologic era: a prospective cohort study from India.","authors":"Arshdeep Singh, Mayur Luthra, Arshia Bhardwaj, Ramit Mahajan, Riya Sharma, Dharmatma Singh, Devanshi Jain, Omesh Goyal, Varun Mehta, Kirandeep Kaur, Yogesh Kumar Gupta, Vandana Midha, Ajit Sood","doi":"10.5217/ir.2024.00189","DOIUrl":"10.5217/ir.2024.00189","url":null,"abstract":"<p><strong>Background/aims: </strong>Acute severe ulcerative colitis (ASUC) is a time-critical situation requiring urgent intervention. Limited data exist on the evolving clinical spectrum of ASUC in the era of advanced therapies.</p><p><strong>Methods: </strong>This prospective real-world observational cohort study included 145 adult patients hospitalized with ASUC between January 2020 and June 2024. ASUC was defined by the modified Truelove and Witts criteria. Demographics and disease characteristics, including disease severity, probable precipitating factors, and corticosteroid failure rates, were recorded.</p><p><strong>Results: </strong>The median age of patients was 36 years (interquartile range, 26-48.5 years) with 63 females (43.4%). Most patients had left-sided colitis (53.1%). The median disease duration was 1 year (IQR, 0.5-3 years), with 91 patients (62.7%) presenting with ASUC within the first year of diagnosis of ulcerative colitis. One-third of the patients had previous exposure to biologics and small molecules. The most commonly reported probable precipitants of ASUC were poor compliance with treatment (n = 43, 29.6%), antibiotic use (n = 35, 24.1%), high perceived stress (n = 32, 22.1%), and Clostridioides difficile infection (n = 19, 13.1%). Forty patients (27.5%) were non-responders to intravenous corticosteroids (IVCS). Twenty-nine patients (20%) received medical rescue therapy (infliximab, n = 14 [48.27%], cyclosporine A, n = 6 [20.68%], and tofacitinib, n = 9 [31.03%]). Seven patients (4.82%; 4 after non-response to IVCS and 3 after non-response to medical rescue therapy) underwent colectomy.</p><p><strong>Conclusions: </strong>In this cohort of ASUC patients, poor treatment compliance, antibiotic use, stress, and C. difficile infection were common precipitants of flare-ups. Nearly one-third of patients required medical rescue therapy, and a small proportion ultimately underwent colectomy.</p>","PeriodicalId":14481,"journal":{"name":"Intestinal Research","volume":" ","pages":"236-247"},"PeriodicalIF":4.7,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13153853/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144247860","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Filgotinib effectiveness and safety as second or third-line therapy in patients with ulcerative colitis: data from a real-world study. 非戈替尼作为溃疡性结肠炎患者二线或三线治疗的有效性和安全性:来自现实世界研究的数据
IF 4.7
Intestinal Research Pub Date : 2026-04-01 Epub Date: 2025-09-29 DOI: 10.5217/ir.2025.00067
Antonio Tursi, Giammarco Mocci, Francesco Costa, Linda Ceccarelli, Edoardo Savarino, Caterina De Barba, Caterina Mucherino, Elvira D'Antonio, Laura Montesano, Manuela Marzo, Franco Scaldaferri, Daniele Napolitano, Daniela Pugliese, Antonietta Gerarda Gravina, Raffaele Pellegrino, Rocco Spagnuolo, Francesco Luzza, Antonio Cuomo, Laura Donnarumma, Giovanni Maconi, Giovanni Cataletti, Lorenzo Bertani, Giorgia Bodini, Andrea Pasta, Simona Piergallini, Mariaelena Serio, Antonella Scarcelli, Pietro Capone, Fabio Cortellini, Stefano Rodino, Ladislava Sebkova, Giuliana Vespere, Silvia Sedda, Vittorio D'Onofrio, Leonardo De Luca, Federica Gaiani, Stefano Kayali, Cristiano Pagnini, Maria Giovanna Graziani, Maria Carla Di Paolo, Leonardo Allegretta, Alessia Immacolata Cazzato, Stefano Scorza, Antonio Ferronato, Davide Giuseppe Ribaldone, Giovanni Aragona, Patrizia Perazzo, Giacomo Forti, Michela Di Fonzo, Federico Iacopini, Roberta Pica, Claudio Cassieri, Francesca Maria Onidi, Paolo Usai Satta, Walter Elisei, Marcello Picchio, Alfredo Papa
{"title":"Filgotinib effectiveness and safety as second or third-line therapy in patients with ulcerative colitis: data from a real-world study.","authors":"Antonio Tursi, Giammarco Mocci, Francesco Costa, Linda Ceccarelli, Edoardo Savarino, Caterina De Barba, Caterina Mucherino, Elvira D'Antonio, Laura Montesano, Manuela Marzo, Franco Scaldaferri, Daniele Napolitano, Daniela Pugliese, Antonietta Gerarda Gravina, Raffaele Pellegrino, Rocco Spagnuolo, Francesco Luzza, Antonio Cuomo, Laura Donnarumma, Giovanni Maconi, Giovanni Cataletti, Lorenzo Bertani, Giorgia Bodini, Andrea Pasta, Simona Piergallini, Mariaelena Serio, Antonella Scarcelli, Pietro Capone, Fabio Cortellini, Stefano Rodino, Ladislava Sebkova, Giuliana Vespere, Silvia Sedda, Vittorio D'Onofrio, Leonardo De Luca, Federica Gaiani, Stefano Kayali, Cristiano Pagnini, Maria Giovanna Graziani, Maria Carla Di Paolo, Leonardo Allegretta, Alessia Immacolata Cazzato, Stefano Scorza, Antonio Ferronato, Davide Giuseppe Ribaldone, Giovanni Aragona, Patrizia Perazzo, Giacomo Forti, Michela Di Fonzo, Federico Iacopini, Roberta Pica, Claudio Cassieri, Francesca Maria Onidi, Paolo Usai Satta, Walter Elisei, Marcello Picchio, Alfredo Papa","doi":"10.5217/ir.2025.00067","DOIUrl":"10.5217/ir.2025.00067","url":null,"abstract":"<p><strong>Background/aims: </strong>Real-world data on the use of filgotinib (FILGO) in patients with ulcerative colitis (UC) are limited. This study aims to provide consistent results on the effectiveness and safety of FILGO in treating UC.</p><p><strong>Methods: </strong>A retrospective assessment of clinical and endoscopic activity was conducted in a cohort of patients with UC according to the full Mayo score. The primary co-endpoints of the study were the evaluation of the effectiveness and safety of FILGO.</p><p><strong>Results: </strong>We enrolled 102 patients with a median follow-up of 24 weeks (interquartile range, 8-24 weeks). At 8 weeks and the end of follow-up, clinical remission was achieved by 38 (37.2%) and 47 (46.1%) patients, respectively. Clinical remission was achieved in 13 of 18 patients (72.2%) receiving first-line therapy, 7 of 19 patients (36.8%) receiving second-line therapy, and 27 of 65 patients (41.5%) receiving third-line therapy (P= 0.002). Clinical remission at 8 weeks predicted clinical remission at the end of follow-up (P= 0.021). Age > 40 years (P= 0.046) and being on second- or third-line of treatment (P= 0.005) were negative predictors for clinical remission. Seventy-one patients (69.6%) achieved a clinical response. At endoscopic evaluation, mucosal healing was observed in 18 out of 30 patients (60.0%). Steroid-free remission was present in 38 out of 46 patients (82.6%). Five patients (4.9%) needed colectomy. Adverse events were recorded in 6 patients (5.8%): 2 cases (2%) were severe, requiring discontinuation of FILGO.</p><p><strong>Conclusions: </strong>Our real-world data confirms that FILGO is safe and effective for patients with UC. Its efficacy is significantly improved when used as a first-line treatment.</p>","PeriodicalId":14481,"journal":{"name":"Intestinal Research","volume":" ","pages":"341-351"},"PeriodicalIF":4.7,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13153844/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145185775","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Tofacitinib in older patients with ulcerative colitis: balancing efficacy and safety. 托法替尼治疗老年溃疡性结肠炎:平衡疗效和安全性。
IF 4.7
Intestinal Research Pub Date : 2026-04-01 Epub Date: 2026-04-29 DOI: 10.5217/ir.2026.00070
Yoon Suk Jung
{"title":"Tofacitinib in older patients with ulcerative colitis: balancing efficacy and safety.","authors":"Yoon Suk Jung","doi":"10.5217/ir.2026.00070","DOIUrl":"10.5217/ir.2026.00070","url":null,"abstract":"","PeriodicalId":14481,"journal":{"name":"Intestinal Research","volume":"24 2","pages":"193-194"},"PeriodicalIF":4.7,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13153842/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147837760","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Efficacy and safety of etrasimod in Japanese patients with ulcerative colitis: results from a phase 2 dose-ranging study. 伊特拉西莫在日本溃疡性结肠炎患者中的疗效和安全性:来自一项剂量范围研究的结果
IF 4.7
Intestinal Research Pub Date : 2026-04-01 Epub Date: 2025-04-25 DOI: 10.5217/ir.2024.00213
Ken Takeuchi, Hiroshi Nakase, Tadakazu Hisamatsu, Katsuyoshi Matsuoka, Shoko Arai, Hirotoshi Yuasa, Motoki Oe, Ryosuke Ono, Michael Keating, Guibao Gu, Krisztina Lazin, Aoibhinn McDonnell, Koki Fukuta, Toshifumi Hibi
{"title":"Efficacy and safety of etrasimod in Japanese patients with ulcerative colitis: results from a phase 2 dose-ranging study.","authors":"Ken Takeuchi, Hiroshi Nakase, Tadakazu Hisamatsu, Katsuyoshi Matsuoka, Shoko Arai, Hirotoshi Yuasa, Motoki Oe, Ryosuke Ono, Michael Keating, Guibao Gu, Krisztina Lazin, Aoibhinn McDonnell, Koki Fukuta, Toshifumi Hibi","doi":"10.5217/ir.2024.00213","DOIUrl":"10.5217/ir.2024.00213","url":null,"abstract":"<p><strong>Background/aims: </strong>Etrasimod is an oral, once-daily, selective sphingosine 1-phosphate1,4,5 receptor modulator for the treatment of moderately to severely active ulcerative colitis (UC). However, its efficacy, safety, and the appropriate dosage have not been extensively investigated in the Japanese population.</p><p><strong>Methods: </strong>This phase 2, multicenter, randomized, double-blind, placebo-controlled dose-ranging, 12-week trial was carried out among Japanese patients with moderately to severely active UC. Patients were randomized 1:1:1 to receive etrasimod 1 mg once daily (QD), etrasimod 2 mg QD, or placebo. The primary efficacy endpoint was the proportion of patients achieving clinical remission at week 12. Secondary efficacy endpoints and treatmentemergent adverse events (TEAEs) were also investigated. Efficacy endpoints were presented as proportions of patients achieving each outcome.</p><p><strong>Results: </strong>Overall, 17, 19, and 18 patients received etrasimod 1 mg QD, etrasimod 2 mg QD, and placebo, respectively. One patient receiving etrasimod 1 mg (6.7%), 5 patients receiving etrasimod 2 mg (26.3%), and no patients receiving placebo (0%) achieved clinical remission. More patients receiving etrasimod versus placebo achieved secondary endpoints, except endoscopic normalization, at week 12. TEAEs were experienced by 9 patients receiving etrasimod 1 mg (52.9%), 13 patients receiving etrasimod 2 mg (68.4%), and 10 patients receiving placebo (55.6%). None of the TEAEs were serious and none experienced by patients receiving etrasimod led to treatment discontinuation.</p><p><strong>Conclusions: </strong>Overall, etrasimod 2 mg QD for up to 12 weeks appeared efficacious and safe in these Japanese patients with moderately to severely active UC. All TEAEs were mild to moderate in severity. (ClinicalTrials.gov: NCT05061446).</p>","PeriodicalId":14481,"journal":{"name":"Intestinal Research","volume":" ","pages":"352-365"},"PeriodicalIF":4.7,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13153859/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144024891","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Cross-ethnic evaluation of gut microbial signatures reveal increased colonization with oral pathobionts in the north Indian inflammatory bowel disease cohort. 肠道微生物特征的跨种族评估显示,北印度炎症性肠病队列中口腔病原体的定植增加。
IF 4.7
Intestinal Research Pub Date : 2026-04-01 Epub Date: 2025-07-14 DOI: 10.5217/ir.2024.00216
Arshdeep Singh, Garima Juyal, Ranko Gacesa, Mohan C Joshi, Vandana Midha, B K Thelma, Rinse K Weersma, Ajit Sood
{"title":"Cross-ethnic evaluation of gut microbial signatures reveal increased colonization with oral pathobionts in the north Indian inflammatory bowel disease cohort.","authors":"Arshdeep Singh, Garima Juyal, Ranko Gacesa, Mohan C Joshi, Vandana Midha, B K Thelma, Rinse K Weersma, Ajit Sood","doi":"10.5217/ir.2024.00216","DOIUrl":"10.5217/ir.2024.00216","url":null,"abstract":"<p><strong>Background/aims: </strong>Inflammatory bowel disease (IBD) has become a global health concern. With the growing evidence of the gut microbiota's role in IBD, studying microbial compositions across ethnic cohorts is essential to identify unique, populationspecific microbial signatures.</p><p><strong>Methods: </strong>We analyzed stool samples and clinical data from 254 IBD patients (226 ulcerative colitis, 28 Crohn's disease) and 66 controls in northern India using metagenomic shotgun sequencing to assess microbiota diversity, composition, and function. Results were replicated in 436 IBD patients and 903 controls from the Netherlands using identical workflows. Using machine learning, we evaluated the generalizability of Indian IBD signals to the Dutch cohort, and vice versa.</p><p><strong>Results: </strong>Indian IBD patients exhibited reduced bacterial diversity and an abundance of opportunistic pathogens, including Clostridium, Streptococcus, and oral bacteria like Streptococcus oralis and Bifidobacterium dentium. There was a significant loss of energy metabolic pathways and distinct co-occurrence patterns among microbial species. Notably, 39% of these signals replicated in the Dutch cohort. Unique to the Indian cohort were oral pathobionts such as Scardovia, Oribacterium, Actinomyces dentalis, and Klebsiella pneumoniae. Both Indian and Dutch IBD patients shared reduced butyrate producers. Machine-learning diagnostic models trained on the Indian cohort achieved high predictive accuracy (sensitivity 0.84, specificity 0.95) and moderately generalized to the Dutch cohort (sensitivity 0.77, specificity 0.69).</p><p><strong>Conclusions: </strong>IBD patients across populations exhibit shared and unique microbial signatures, suggesting a role for the oral-gut microbiome axis in IBD. Crossethnic diagnostic models show promise for broader applications in identifying IBD.</p>","PeriodicalId":14481,"journal":{"name":"Intestinal Research","volume":" ","pages":"255-269"},"PeriodicalIF":4.7,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13153850/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144637031","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Optimizing Janus kinase inhibitor therapy for ulcerative colitis: a real-world perspective. 优化Janus激酶抑制剂治疗溃疡性结肠炎:现实世界的观点。
IF 4.7
Intestinal Research Pub Date : 2026-04-01 Epub Date: 2025-11-14 DOI: 10.5217/ir.2025.00096
Shintaro Akiyama
{"title":"Optimizing Janus kinase inhibitor therapy for ulcerative colitis: a real-world perspective.","authors":"Shintaro Akiyama","doi":"10.5217/ir.2025.00096","DOIUrl":"10.5217/ir.2025.00096","url":null,"abstract":"<p><p>In real-world clinical practice, 3 Janus kinase (JAK) inhibitors-tofacitinib, filgotinib, and upadacitinib-are now available for the treatment of ulcerative colitis. Emerging real-world evidence highlights distinct efficacy and safety profiles among these agents, largely attributed to differences in JAK selectivity and dosing strategies. Notably, data are accumulating on differential efficacy, predictors of therapeutic response, and outcomes in patients who switch between JAK inhibitors, contributing to a clearer understanding of the optimal positioning of each agent. Regarding safety, particular attention has been given to risks such as herpes zoster infection and drug-induced acne, underscoring the importance of appropriate patient education and individualized risk assessment. This review summarizes clinical trials and current real-world data on tofacitinib, filgotinib, and upadacitinib in ulcerative colitis, and discusses strategies for optimizing their clinical application.</p>","PeriodicalId":14481,"journal":{"name":"Intestinal Research","volume":" ","pages":"197-207"},"PeriodicalIF":4.7,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13153855/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145512750","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Neo-left colon volvulus or metachronous descending colon volvulus following sigmoidectomy for sigmoid volvulus. 乙状结肠扭转切除术后出现新左结肠扭转或异时性降结肠扭转。
IF 4.7
Intestinal Research Pub Date : 2026-04-01 Epub Date: 2025-07-23 DOI: 10.5217/ir.2025.00015
Sabri Selcuk Atamanalp
{"title":"Neo-left colon volvulus or metachronous descending colon volvulus following sigmoidectomy for sigmoid volvulus.","authors":"Sabri Selcuk Atamanalp","doi":"10.5217/ir.2025.00015","DOIUrl":"10.5217/ir.2025.00015","url":null,"abstract":"","PeriodicalId":14481,"journal":{"name":"Intestinal Research","volume":" ","pages":"384-386"},"PeriodicalIF":4.7,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13157996/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144690284","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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