Intestinal ResearchPub Date : 2025-04-01Epub Date: 2025-04-29DOI: 10.5217/ir.2024.00209
Sameet Tariq Patel, Sanjay Chandnani, Pravin M Rathi
{"title":"Response: Comments on \"Adequacy of sigmoidoscopy as compared to colonoscopy for assessment of disease activity in patients of ulcerative colitis: a prospective study\".","authors":"Sameet Tariq Patel, Sanjay Chandnani, Pravin M Rathi","doi":"10.5217/ir.2024.00209","DOIUrl":"10.5217/ir.2024.00209","url":null,"abstract":"","PeriodicalId":14481,"journal":{"name":"Intestinal Research","volume":"23 2","pages":"227-228"},"PeriodicalIF":3.4,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12081070/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143971616","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}
{"title":"Early resolution of bowel urgency by budesonide foam enema results in improved quality of life in patients with ulcerative colitis: a multicenter prospective observational study.","authors":"Taku Kobayashi, Kei Moriya, Toshimitsu Fujii, Shigeki Bamba, Shinichiro Shinzaki, Akihiro Yamada, Takashi Hisabe, Shintaro Sagami, Shuji Hibiya, Takahiro Amano, Noritaka Takatsu, Katsutoshi Inagaki, Ken-Ichi Iwayama, Toshifumi Hibi","doi":"10.5217/ir.2024.00005","DOIUrl":"10.5217/ir.2024.00005","url":null,"abstract":"<p><strong>Background/aims: </strong>Bowel urgency is an important symptom for quality of life determination in patients with ulcerative colitis (UC). Few clinical studies have focused on bowel urgency as an efficacy endpoint. Budesonide foam enema has shown efficacy for clinical and endoscopic improvement in mild-to-moderate UC. We evaluated the improvement of clinical symptoms (bowel urgency), safety, and treatment impact of twice-daily budesonide foam enema on the quality of life in patients with UC.</p><p><strong>Methods: </strong>This open-label, multicenter, prospective observational study comprised a 4-week observation period assessing the effectiveness and safety of twice-daily budesonide foam enema. Mild-to-moderate UC patients who had bowel urgency were included. Patients collected data daily in an electronic patient-reported outcome system or logbooks. The primary endpoint was the rate of resolution of bowel urgency at the end of the 4-week observation period. The rate of bowel incontinence was also assessed.</p><p><strong>Results: </strong>Sixty-one patients were enrolled. Of patients with a final evaluation, the rate of resolution of bowel urgency was 58.5% (31/53; 95% confidence interval, 44.1%-71.9%). Bowel urgency decreased over time, with a significant difference observed on day 7 versus day 0. Bowel incontinence showed a decreasing trend from day 5, with a significant difference confirmed on day 12 versus day 0. The clinical remission rate was 64.4% (38/59; 95% confidence interval, 50.9%-76.4%). One adverse event not related to budesonide rectal foam occurred.</p><p><strong>Conclusions: </strong>The findings suggest that bowel urgency can be improved early with twice-daily budesonide foam enema. No new safety signals were observed.</p>","PeriodicalId":14481,"journal":{"name":"Intestinal Research","volume":" ","pages":"157-169"},"PeriodicalIF":3.4,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12081081/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141616304","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}
Intestinal ResearchPub Date : 2025-04-01Epub Date: 2023-11-09DOI: 10.5217/ir.2023.00062
Eun Hye Oh, Ye-Jee Kim, Minju Kim, Seung Ha Park, Tae Oh Kim, Sang Hyoung Park
{"title":"Risk of malignancies and chemopreventive effect of statin, metformin, and aspirin in Korean patients with ulcerative colitis: a nationwide population-based study.","authors":"Eun Hye Oh, Ye-Jee Kim, Minju Kim, Seung Ha Park, Tae Oh Kim, Sang Hyoung Park","doi":"10.5217/ir.2023.00062","DOIUrl":"10.5217/ir.2023.00062","url":null,"abstract":"<p><strong>Background/aims: </strong>We investigated the incidences of overall and site-specific malignancies and chemopreventive effects of statin, metformin, and aspirin in patients with ulcerative colitis.</p><p><strong>Methods: </strong>We collected data using the Health Insurance Review and Assessment claims database from January 2007 to April 2020.</p><p><strong>Results: </strong>The overall malignancy risk among the 35,189 ulcerative colitis patients was similar to that of the general population (standardized incidence ratio, 0.94; 95% confidence interval, 0.88-1.00). In male patients, standardized incidence ratios were high for thyroid cancer and low for stomach cancer, colorectal cancer, liver cancer, and lung cancer. Concurrently, standard incidence ratios were high for liver cancer and central nervous system cancer in female patients. While 122 cases of colorectal cancer occurred in the study patients, the standardized incidence ratio was 0.83 (95% confidence interval, 0.69-0.99). Treatment for ulcerative colitis was not associated with an increased adjusted hazard ratio, while comorbidities increased it for all malignancies. Treatment for ulcerative colitis was associated with an increased adjusted hazard ratio, while comorbidities did not increase it for colorectal cancer. After adjusting for age, sex, comorbidities, and ulcerative colitis treatment, statins showed a dose-dependent chemopreventive effect for all malignancies (P=0.002), while metformin and aspirin did not show any.</p><p><strong>Conclusions: </strong>In ulcerative colitis patients, standardized incidence ratios for all malignancies and colorectal cancer did not increase. Adjusted hazard ratios for all malignancies increased with comorbidities and those for colorectal cancer with ulcerative colitis treatment. Statins have a dose-dependent chemopreventive effect for all malignancies.</p>","PeriodicalId":14481,"journal":{"name":"Intestinal Research","volume":" ","pages":"129-143"},"PeriodicalIF":3.4,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12081078/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71521436","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}
{"title":"Diagnostic performance of noninvasive tests for cytomegalovirus ileocolitis: a systematic review and meta-analysis.","authors":"Thanaboon Chaemsupaphan, Onuma Sattayalertyanyong, Julajak Limsrivilai","doi":"10.5217/ir.2024.00136","DOIUrl":"10.5217/ir.2024.00136","url":null,"abstract":"<p><strong>Background/aims: </strong>Diagnosis of cytomegalovirus (CMV) ileocolitis traditionally requires colonoscopy with tissue biopsy. Due to potential complications in high-risk patients, there is growing interest in serum and stool tests for diagnosing this condition. We aimed to evaluate the diagnostic accuracy of these noninvasive tests compared to traditional gold standards.</p><p><strong>Methods: </strong>Two independent reviewers performed a comprehensive search on MEDLINE and Embase from inception up to October 1, 2023. Prospective and retrospective studies evaluating the performance of serum CMV polymerase chain reaction (PCR), serum CMV antigen (Ag), and stool CMV PCR in diagnosing CMV ileocolitis were included. Tissue histopathology or tissue CMV PCR served as reference standards. Diagnostic performances of each serum and stool test were calculated based on a meta-analysis using random-effects model.</p><p><strong>Results: </strong>A total of 30 studies, comprising 23 studies of serum CMV PCR, 9 of serum CMV Ag, and 7 of stool CMV PCR, were included. The pooled sensitivity, specificity, and area under summary receiver operating characteristic curves were 62% (95% confidence interval [CI], 51%-72%), 90% (95% CI, 79%-96%), and 0.81 for serum CMV PCR, 38% (95% CI, 26%-51%), 94% (95% CI, 70%-99%), and 0.56 for serum CMV Ag, and 53% (95% CI, 35%-70%), 91% (95% CI, 84%-95%), and 0.84 for stool CMV PCR.</p><p><strong>Conclusions: </strong>Serum and stool tests cannot replace colonoscopy for diagnosing CMV ileocolitis due to their low sensitivities but may be useful when colonoscopy is not feasible. Positive results can aid diagnosis, given their high specificities. Serum and/or stool CMV PCR are preferred over CMV Ag.</p>","PeriodicalId":14481,"journal":{"name":"Intestinal Research","volume":" ","pages":"213-224"},"PeriodicalIF":3.4,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12081080/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142978589","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}
{"title":"Histologic healing and clinical outcomes in ulcerative colitis.","authors":"Raymond Fueng-Hin Liang, Huiyu Lin, Cora Yuk-Ping Chau, Wee Chian Lim","doi":"10.5217/ir.2024.00058","DOIUrl":"10.5217/ir.2024.00058","url":null,"abstract":"<p><strong>Background/aims: </strong>Growing evidence suggests histologic healing (HH) improves clinical outcomes in ulcerative colitis (UC) patients beyond endoscopic healing (EH). We hypothesize that HH is associated with better clinical outcomes in Asian UC patients, for whom data is lacking.</p><p><strong>Methods: </strong>We performed a retrospective study of UC patients in clinical remission (CR) with a follow-up colonoscopy and minimum 1-year follow-up post-colonoscopy. Primary outcome was clinical relapse (CRL), defined as either a Simple Clinical Colitis Activity Index score of > 2, medication escalation, hospitalization or colectomy. Predictors of CRL and HH were assessed.</p><p><strong>Results: </strong>One hundred patients were included with a median follow-up of 22 months. At index colonoscopy, 80 patients were in EH. On follow-up, 41 patients experienced CRL. Of 80 patients in EH, 34 (42.5%) had persistent histologic activity (Nancy Index ≥ 2) and 29 (36.3%) relapsed during the follow-up period. Amongst patients in CR and EH, those with HH had lower CRL rate (26.1% vs. 50.0%, P= 0.028) and longer CRL-free survival (mean 46.1 months vs. 31.5 months, P= 0.015) than those with persistent histologic activity. On bivariable analysis of 100 patients in CR, HH, and Mayo endoscopic score (MES) of 0 were significantly associated with lower risk of CRL. On multivariable analysis, only MES 0 remained predictive of lower CRL risk.</p><p><strong>Conclusions: </strong>Above and beyond CR and EH, achieving HH improves clinical outcomes in Asian UC patients. However, HH may not confer incremental benefit if MES 0 has been achieved. Further prospective studies evaluating the benefit of histologically guided therapeutic decisions are needed.</p>","PeriodicalId":14481,"journal":{"name":"Intestinal Research","volume":" ","pages":"182-192"},"PeriodicalIF":3.4,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12081077/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142287362","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}
Intestinal ResearchPub Date : 2025-04-01Epub Date: 2025-01-06DOI: 10.5217/ir.2024.00085
Julajak Limsrivilai, Allen Yu-Hung Lai, Silvia T H Li, Murdani Abdullah, Raja Affendi Raja Ali, Satimai Aniwan, Hoang Huu Bui, Jen-Wei Chou, Ida Normiha Hilmi, Wee Chian Lim, Jose Sollano, Michelle Mui Hian Teo, Shu-Chen Wei, Wai Keung Leung
{"title":"Role of 5-aminosalicylic acid in ulcerative colitis management in 8 Asian territories: a physician survey.","authors":"Julajak Limsrivilai, Allen Yu-Hung Lai, Silvia T H Li, Murdani Abdullah, Raja Affendi Raja Ali, Satimai Aniwan, Hoang Huu Bui, Jen-Wei Chou, Ida Normiha Hilmi, Wee Chian Lim, Jose Sollano, Michelle Mui Hian Teo, Shu-Chen Wei, Wai Keung Leung","doi":"10.5217/ir.2024.00085","DOIUrl":"10.5217/ir.2024.00085","url":null,"abstract":"<p><p>Clinical guidelines typically endorse conventional therapies such as 5-aminosalicylic acid (5-ASA) as the mainstay of ulcerative colitis management. However, the degree of adoption and application of guideline recommendations by physicians within Asia remains unclear. This study aims to understand the prescribing patterns of 5-ASA and implementation of current guideline recommendations across Asian clinical practice. A physician survey was conducted among inflammatory bowel disease specialists in 8 Asian territories to understand practices and preferences in ulcerative colitis management, focusing on the use of 5-ASA and concordance with guideline recommendations. Survey findings were validated by country experts in diverse healthcare settings. Subgroup analyses stratified data by income levels and treatment reimbursement status. Ninety-eight valid responses were received from inflammatory bowel disease specialists or gastroenterologists among 8 economic entities. Significant differences were found in clinical practices and treatment preferences for ulcerative colitis management among different income-level and government-subsidy groups. Survey results are summarized in 8 findings that illustrate trends in 5-ASA use and guideline implementation across Asian territories. This study emphasizes socioeconomic factors that impact the adoption of guideline recommendations in real-world practice. Our findings indicate an eclectic approach to guideline implementation across Asia, based on resource availability and feasibility of treatment goals.</p>","PeriodicalId":14481,"journal":{"name":"Intestinal Research","volume":" ","pages":"117-128"},"PeriodicalIF":3.4,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12081079/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142931627","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}
Intestinal ResearchPub Date : 2025-04-01Epub Date: 2025-02-24DOI: 10.5217/ir.2024.00135
Soo Jung Park, Yehyun Park, Hyun Jung Lee, Jae Jun Park, Jae Hee Cheon, Won Ho Kim, Tae Il Kim
{"title":"Newly designed flared-end covered versus uncovered self-expandable metallic stents for palliation of malignant colorectal obstruction: a randomized, prospective study.","authors":"Soo Jung Park, Yehyun Park, Hyun Jung Lee, Jae Jun Park, Jae Hee Cheon, Won Ho Kim, Tae Il Kim","doi":"10.5217/ir.2024.00135","DOIUrl":"10.5217/ir.2024.00135","url":null,"abstract":"<p><strong>Background/aims: </strong>Self-expandable metallic stents (SEMSs) are widely used as palliative or bridge to surgery treatments in patients with malignant colorectal obstruction (MCO). Stent occlusion is more common with uncovered stents, but stent migration is more common with covered stents. Our purpose was to compare the efficacy and safety of a newly designed covered SEMS with an uncovered proximal flared end (CSEMS-UPF) with that of the conventional uncovered SEMS (UCSEMS) in the treatment of MCO.</p><p><strong>Methods: </strong>This prospective randomized trial was conducted at a tertiary-care academic hospital. We enrolled 87 patients with stage 4 cancer and MCO: colorectal cancer in 60 patients and extracolonic cancer in 27 patients. Insertion of UCSEMS was randomly assigned to 43 patients, and 44 patients received the CSEMS-UPF. The primary outcome was the duration of stent patency after successful placement. The secondary outcomes were the number of patients with technical and clinical success and early and late complications from the stent insertion.</p><p><strong>Results: </strong>The median patency of the stent did not differ between the UCSEMS and CSEMS-UPF groups (484 [231-737] days vs. 216 [66-366] days, P= 0.242). The technical and clinical success rates did not differ significantly between the groups, either (100.0% vs. 93.2%, respectively, P= 0.241; 100.0% vs. 92.7%, respectively, P= 0.112), nor did the early (n = 2 [4.7%] vs. n = 4 [9.8%], P> 0.999) or late (n = 12 [27.9%] vs. n = 15 [36.6%], P> 0.999) stent complication rates differ between the groups.</p><p><strong>Conclusions: </strong>The UCSEMS and newly developed CSEMS-UPF are similarly effective treatments for MCO, with no differences in the stent migration or occlusion rates (Clinical trial registration number: NCT02640781).</p>","PeriodicalId":14481,"journal":{"name":"Intestinal Research","volume":" ","pages":"202-212"},"PeriodicalIF":3.4,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12081074/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143483111","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}
{"title":"Leucine-rich alpha-2 glycoprotein is useful in predicting clinical relapse in patients with Crohn's disease during biological remission.","authors":"Naohiro Nakamura, Yusuke Honzawa, Yuka Ito, Yasuki Sano, Naoto Yagi, Sanshiro Kobayashi, Mamiko Aoi, Takashi Tomiyama, Tomomitsu Tahara, Norimasa Fukata, Toshiro Fukui, Makoto Naganuma","doi":"10.5217/ir.2024.00042","DOIUrl":"10.5217/ir.2024.00042","url":null,"abstract":"<p><strong>Background/aims: </strong>Serum leucine-rich alpha-2 glycoprotein (LRG) is a potential biomarker of Crohn's disease (CD). This study aimed to evaluate the usefulness of LRG in predicting clinical relapse in patients in remission with CD.</p><p><strong>Methods: </strong>This retrospective observational study assessed the relationships among patient-reported outcome (PRO2), LRG, and other blood markers. The influence of LRG on clinical relapse was assessed in patients in remission with CD.</p><p><strong>Results: </strong>Data of 94 patients tested for LRG between January 2021 and May 2023 were collected. LRG level did not correlate with PRO2 score (ρ = 0.06); however, it strongly correlated with C-reactive protein (CRP) level (r=0.79) and serum albumin level (r=-0.70). Among 69 patients in clinical remission, relapse occurred in 22 patients (31.9%). In the context of predicting relapse, LRG showed the highest area under the curve, followed by CRP level, platelet count, and albumin level. Multivariate analysis revealed that only LRG (P= 0.02) was an independent factor for predicting clinical remission. The cumulative non-relapse rate was significantly higher in patients with LRG < 13.8 μg/mL than in patients in remission with LRG ≥ 13.8 μg/mL and normal CRP level (P= 0.002) or normal albumin level (P= 0.001). Cumulative non-relapse rate was also higher in patients with LRG < 13.8 μg/mL compared to those with LRG ≥ 13.8 μg/mL in patients with L3 or B2+B3 of Montreal calcification.</p><p><strong>Conclusions: </strong>LRG is useful in predicting clinical relapse in patients with CD during biological remission. LRG is a useful biomarker for predicting prognosis, even in patients with intestinal stenosis, or previous/present fistulas.</p>","PeriodicalId":14481,"journal":{"name":"Intestinal Research","volume":" ","pages":"170-181"},"PeriodicalIF":3.4,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12081073/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141999937","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}
Humberto Barbosa da Costa Filho, Gerardo Autran Cavalcante Araújo, Thiago Meneses Araújo Leite Sales, Suliana Mesquita Paula, Marco Antonio de Freitas Clementino, Alexandre Havt, Pedro Marcos Gomes Soares, Marcellus Henrique Loiola Ponte Souza
{"title":"Restoration of colonic barrier function by tofacitinib in experimental colitis: anti-inflammatory effects and decreased expression of claudins-2 and claudin-15.","authors":"Humberto Barbosa da Costa Filho, Gerardo Autran Cavalcante Araújo, Thiago Meneses Araújo Leite Sales, Suliana Mesquita Paula, Marco Antonio de Freitas Clementino, Alexandre Havt, Pedro Marcos Gomes Soares, Marcellus Henrique Loiola Ponte Souza","doi":"10.5217/ir.2024.00186","DOIUrl":"https://doi.org/10.5217/ir.2024.00186","url":null,"abstract":"<p><strong>Background/aims: </strong>Inflammatory bowel disease can be triggered by disturbances in intestinal mucosal integrity, leading to bacterial transmigration. The treatment of inflammatory bowel diseases must not only aim to reduce inflammation, but also to reverse the damage to mucosal barrier function. Janus kinase (JAK) inhibitors have been used to treat inflammatory diseases, including ulcerative colitis. However, little is known about the ability of this class of drugs to reverse the loss of mucosal integrity. This study evaluated the effects of tofacitinib, a JAK pathway inhibitor, on inflammation and colonic mucosal integrity in a rat model of 2,4,6-trinitrobenzenesulfonic acid (TNBS)-induced colitis.</p><p><strong>Methods: </strong>Colitis was induced in Wistar rats via rectal administration of TNBS (20 mg+50% ethanol). The control group received only saline. The animals were pretreated with tofacitinib (15 mg/kg) or saline 30 minutes before induction and twice daily thereafter. Seven days after induction, the animals were euthanized, the colon was removed, and myeloperoxidase activity, baseline transepithelial electrical resistance (TER), TER after 1 hour, and fluorescein permeability were assessed. Tight junction proteins in the colon (claudin-2, claudin-15, and tricellulin) were detected using Western blotting.</p><p><strong>Results: </strong>Tofacitinib treatment significantly reduced (P< 0.05) the inflammatory parameters and preserved the integrity of the intestinal epithelial barrier compared with the colitis group (P< 0.05), increased baseline TER, reduced the drop in TER after 1 hour, and decreased paracellular permeability to fluorescein by reducing claudin-2 and claudin-15 expression.</p><p><strong>Conclusions: </strong>JAK inhibition by tofacitinib restored colonic barrier function through antiinflammatory effects and decreased claudin-2 and claudin-15 expressions.</p>","PeriodicalId":14481,"journal":{"name":"Intestinal Research","volume":" ","pages":""},"PeriodicalIF":3.4,"publicationDate":"2025-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143752644","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}