{"title":"High Serum Creatine Kinase Levels in Infliximab and Vedolizumab-Treated Inflammatory Bowel Disease Patients.","authors":"Manuel Sutter, Petr Hruz, Jan Hendrik Niess","doi":"10.1159/000518264","DOIUrl":"https://doi.org/10.1159/000518264","url":null,"abstract":"<p><strong>Background: </strong>TNF inhibitors are relatively safe drugs, but asymptomatic infliximab-induced high serum creatine kinase (CK) levels have been reported in >30% of patients with inflammatory bowel disease (IBD). Whether high serum CK levels are a specific effect of treatment with TNF inhibitors has not been studied in detail. CK levels were therefore compared between infliximab- and vedolizumab-treated IBD patients.</p><p><strong>Methods: </strong>In this retrospective, monocentric study, 131 IBD cases (82 with Crohn's disease (CD), 49 with ulcerative colitis) of the Basel University Hospital IBD cohort treated either with infliximab or vedolizumab were included. Serum samples for measuring CK, lactate dehydrogenase (LDH), C-reactive protein (CRP), and fecal calprotectin (FCal) levels were collected longitudinally and analyzed using mixed additive models.</p><p><strong>Results: </strong>No significant differences in CK levels between infliximab and vedolizumab-treated patients were observed over time. Infliximab-treated males, however, showed significantly higher CK levels than females and former smokers treated with infliximab showed significantly lower CK levels than nonsmokers. No such differences were observed in vedolizumab-treated patients. LDH and CRP were not significantly different between infliximab- and vedolizumab-treated patients, while adjusted groups showed substantially higher LDH levels with increasing age and significantly lower LDH levels in patients with longer disease duration. Infliximab patients with CD showed significantly lower CRP. However, significantly higher FCal concentrations were noted in infliximab patients independent of diagnosis, gender, disease duration, smoking behavior, and age.</p><p><strong>Conclusion: </strong>In our cohort, high serum CK levels are not an infliximab- or vedolizumab-specific effect.</p>","PeriodicalId":13605,"journal":{"name":"Inflammatory Intestinal Diseases","volume":"6 3","pages":"165-174"},"PeriodicalIF":0.0,"publicationDate":"2021-08-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8527910/pdf/iid-0006-0165.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39847233","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":"Assessment of Endoscopic Disease Activity in Ulcerative Colitis: Is Simplicity the Ultimate Sophistication?","authors":"A. Sharara, Maher Malaeb, M. Lenfant, M. Ferrante","doi":"10.1159/000518131","DOIUrl":"https://doi.org/10.1159/000518131","url":null,"abstract":"Background: Endoscopic remission is an increasingly recognized important therapeutic endpoint in the management of patients with UC. Summary: The Mayo Endoscopic Score (MES) remains the most common endoscopic index recommended in guidelines and widely used in clinical trials and in clinical practice. The MES is easy, simple, and practical but is suboptimal at providing an accurate depiction of segmental healing and/or at measuring a substantial but incomplete response across the spectrum of endoscopic inflammation. Other endoscopic scores have been proposed but have not received wide recognition or adoption.","PeriodicalId":13605,"journal":{"name":"Inflammatory Intestinal Diseases","volume":"5 1","pages":"7 - 12"},"PeriodicalIF":0.0,"publicationDate":"2021-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83144467","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}
{"title":"Stopping Anti-TNF in CD Remitters: Cons","authors":"Taku Kobayashi","doi":"10.1159/000517961","DOIUrl":"https://doi.org/10.1159/000517961","url":null,"abstract":"Crohn’s disease may cause a life-long disease burden in many aspects due to its progressive nature. A large proportion of refractory patients have been benefiting from scheduled maintenance anti-TNF treatment; therefore, strategy to stop anti-TNF agents in Crohn’s disease is not widely conducted. There have been observational studies demonstrating that approximately half of the patients relapse within a year after discontinuation. Several factors have been suggested as potential predictors for relapse; however, a consensus has not been reached so far. Although most relapse can be rescued by the re-treatment with the same anti-TNF agent, a proportion of patients may result in progressive bowel damage and the need for surgery. Therefore, an attempt to stop anti-TNF is not recommended without careful discussion, even if they are in long-term remission.","PeriodicalId":13605,"journal":{"name":"Inflammatory Intestinal Diseases","volume":"6 1","pages":"59 - 63"},"PeriodicalIF":0.0,"publicationDate":"2021-08-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88547919","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}
Cheryl de Vallière, Katharina Bäbler, Philipp Busenhart, Marlene Schwarzfischer, Chiaki Maeyashiki, Cordelia Schuler, Kirstin Atrott, Silvia Lang, Marianne R Spalinger, Michael Scharl, Pedro A Ruiz-Castro, Martin Hausmann, Gerhard Rogler
{"title":"A Novel OGR1 (GPR68) Inhibitor Attenuates Inflammation in Murine Models of Colitis.","authors":"Cheryl de Vallière, Katharina Bäbler, Philipp Busenhart, Marlene Schwarzfischer, Chiaki Maeyashiki, Cordelia Schuler, Kirstin Atrott, Silvia Lang, Marianne R Spalinger, Michael Scharl, Pedro A Ruiz-Castro, Martin Hausmann, Gerhard Rogler","doi":"10.1159/000517474","DOIUrl":"https://doi.org/10.1159/000517474","url":null,"abstract":"<p><strong>Background and aims: </strong>Local extracellular acidification is associated with several conditions, such as ischemia, cancer, metabolic disease, respiratory diseases, and inflammatory bowel disease (IBD). Several recent studies reported a link between IBD and a family of pH-sensing G protein-coupled receptors. Our previous studies point to an essential role for OGR1 (GPR68) in the modulation of intestinal inflammation and fibrosis. In the current study, we evaluated the effects of a novel OGR1 inhibitor in murine models of colitis.</p><p><strong>Methods: </strong>The effects of a novel small-molecule OGR1 inhibitor were assessed in the acute and chronic dextran sulfate sodium (DSS) murine models of colitis. Macroscopic disease indicators of intestinal inflammation were evaluated, and epithelial damage and immune cell infiltration and proliferation were assessed by immunohistochemistry.</p><p><strong>Results: </strong>The OGR1 inhibitor ameliorated clinical parameters in acute and chronic DSS-induced colitis. In mice treated with the OGR1 inhibitor, endoscopy showed no thickening and normal vascularity, while fibrin was not detected. Histopathological findings revealed a decrease in severity of colonic inflammation in the OGR1 inhibitor group when compared to vehicle-DSS controls. In OGR1 inhibitor-treated mice, staining for the macrophage marker F4/80 and cellular proliferation marker Ki-67 revealed a reduction of infiltrating macrophages and slightly enhanced cell proliferation, respectively. This was accompanied by a reduction in pro-inflammatory cytokines, TNF and IL-6, and the fibrosis marker TGF-β1.</p><p><strong>Conclusion: </strong>This is the first report providing evidence that a pharmacological inhibition of OGR1 has a therapeutic effect in murine colitis models. Our data suggest that targeting proton-sensing OGR1 using specific small-molecule inhibitors may be a novel therapeutic approach for the treatment of IBD.</p>","PeriodicalId":13605,"journal":{"name":"Inflammatory Intestinal Diseases","volume":"6 3","pages":"140-153"},"PeriodicalIF":0.0,"publicationDate":"2021-07-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1159/000517474","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39833232","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":"Real-World Experience of Endoscopic Submucosal Dissection for Ulcerative Colitis-Associated Neoplasia.","authors":"Akira Matsui, Shu Hoteya, Junnosuke Hayasaka, Satoshi Yamashita, Yorinari Ochiai, Yugo Suzuki, Yumiko Fukuma, Takayuki Okamura, Yutaka Mitsunaga, Masami Tanaka, Kousuke Nomura, Nobuhiro Dan, Hiroyuki Odagiri, Daisuke Kikuchi","doi":"10.1159/000512292","DOIUrl":"https://doi.org/10.1159/000512292","url":null,"abstract":"<p><strong>Introduction: </strong>Patients with ulcerative colitis (UC) have an increased risk of colorectal cancer. Some studies have recently investigated endoscopic resection of UC-associated neoplasia (UCAN), but the indications for endoscopic resection of UCAN remain controversial. This study sought to clarify the problems encountered in endoscopic submucosal dissection (ESD) for UCAN.</p><p><strong>Methods: </strong>Seventeen lesions in 12 patients with UCAN (UCAN group) and 913 epithelial lesions in 824 control patients without UC (non-UC group) were evaluated. Both groups underwent ESD between January 2010 and December 2017 at Toranomon Hospital, Tokyo, Japan. Treatment outcomes of the 2 groups were compared retrospectively.</p><p><strong>Results: </strong>Univariate analysis showed that the mean tumor size was significantly smaller in the UCAN group than in the non-UC group (25.1 ± 26.7 mm vs. 31.9 ± 19.0; <i>p</i> = 0.0023); however, the R0 resection rate was significantly lower in the UCAN group (70.6 vs. 92.9%; <i>p</i> = 0.001). Multivariate analysis showed a significantly lower negative horizontal margin rate in the UCAN group (odds ratio 11.3, 95% confidence interval 3.588-34.525; <i>p</i> = 0.000).</p><p><strong>Discussion/conclusion: </strong>ESD for UCAN is associated with a low-negative horizontal margin rate. When performing ESD for UCAN, it is important to evaluate the accuracy of the UCAN demarcation line, especially for flat lesions, using white-light imaging and chromoendoscopy as well as other modalities, including biopsy of surrounding tissues.</p>","PeriodicalId":13605,"journal":{"name":"Inflammatory Intestinal Diseases","volume":"6 2","pages":"70-77"},"PeriodicalIF":0.0,"publicationDate":"2021-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1159/000512292","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39090144","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}
Richard B Gearry, Andrew M McCombie, Morten Vatn, David T Rubin, Flavio Steinwurz, Edward V Loftus, Wolfgang Kruis, Curt Tysk, Jean-Frederic Colombel, Siew C Ng, Gert Van Assche, Charles N Bernstein
{"title":"What Are the Most Challenging Aspects of Inflammatory Bowel Disease? An International Survey of Gastroenterologists Comparing Developed and Developing Countries.","authors":"Richard B Gearry, Andrew M McCombie, Morten Vatn, David T Rubin, Flavio Steinwurz, Edward V Loftus, Wolfgang Kruis, Curt Tysk, Jean-Frederic Colombel, Siew C Ng, Gert Van Assche, Charles N Bernstein","doi":"10.1159/000512310","DOIUrl":"https://doi.org/10.1159/000512310","url":null,"abstract":"<p><strong>Background and aims: </strong>As inflammatory bowel disease (IBD) becomes more prevalent, the challenges that gastroenterologists face in managing these patients evolve. We aimed to describe the most important challenges facing gastroenterologists from around the world and compare these between those working in developed and developing countries.</p><p><strong>Methods: </strong>An online questionnaire was developed, and a link distributed to gastroenterologists. Data were analyzed descriptively using Friedman and Wilcoxon matched-pair signed rank tests to compare rankings for responses. Mann-Whitney <i>U</i> tests were used to compare rankings between responses from gastroenterologists from developed and developing countries. Lower scores reflected greater challenges.</p><p><strong>Results: </strong>Of 872 who started, 397 gastroenterologists (45.5%) completed the survey. Respondents represented 65 countries (226 [56.9%] from developed countries). Overall, the challenge ranked most important (smallest number) was increasing IBD prevalence (13.6%). There were significant differences in mean ranking scores for many simple aspects of care for those from developing countries compared to providers from developed countries, such as access to simple IBD treatments (5.52 vs. 6.02, <i>p</i> = 0.01), access to anti-TNF drugs including dose escalation (3.33 vs. 3.93, <i>p</i> < 0.01), access to good stoma care (2.57 vs. 3.03, <i>p</i> < 0.001), access to therapeutic drug monitoring (1.47 vs. 1.84, <i>p</i> < 0.001), and access to care for people from low socioeconomic status (2.77 vs. 3.37, <i>p</i> < 0.001).</p><p><strong>Conclusions: </strong>Increasing IBD prevalence is seen by gastroenterologists as the greatest challenge facing them. There are significant differences between the IBD challenges facing gastroenterologists from developed and developing countries that reflect inequities in access to health care.</p>","PeriodicalId":13605,"journal":{"name":"Inflammatory Intestinal Diseases","volume":"6 2","pages":"78-86"},"PeriodicalIF":0.0,"publicationDate":"2021-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1159/000512310","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39090145","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":"Serum PR3-ANCA Is a Predictor of Primary Nonresponse to Anti-TNF-α Agents in Patients with Ulcerative Colitis.","authors":"Atsushi Yoshida, Katsuyoshi Matsuoka, Fumiaki Ueno, Toshio Morizane, Yutaka Endo, Toshifumi Hibi","doi":"10.1159/000515361","DOIUrl":"https://doi.org/10.1159/000515361","url":null,"abstract":"<p><strong>Background: </strong>Anti-tumor necrosis factor-α (TNF-α) agents are effective for moderately to severely active ulcerative colitis (UC). Nonetheless, a proportion of patients fail to respond to these agents as therapy for induction of remission. Recent studies indicated that perinuclear anti-neutrophil cytoplasmic antibody (p-ANCA) may predict response to anti-TNF-α agents in UC patients. However, whether PR3-ANCA can predict primary nonresponse (PNR) to anti-TNF-α agents has not yet been evaluated. The aim of this study was to examine whether PR3-ANCA can predict PNR to anti-TNF-α in UC patients.</p><p><strong>Methods: </strong>This was a single-center retrospective study. Data were extracted from 50 patients with UC who had measurements of PR3-ANCA and received anti-TNF-α agents for the first time as induction therapy. The primary endpoint of this study was a proportion of patients with PNR stratified by PR3-ANCA positivity. PNR to anti-TNF-α agents was defined as failure to achieve reduction in partial Mayo score by 2 or more points and change to other therapeutics within 6 weeks.</p><p><strong>Results: </strong>Fourteen (28%) of the 50 patients were PR3-ANCA positive. Seventeen (34%) of the 50 patients demonstrated PNR. Eleven (78.6%) of the 14 PR3-ANCA-positive patients demonstrated PNR, while 6 (16.7%) of the 36 PR3-ANCA-negative patients demonstrated PNR. Multivariate analysis demonstrated that PR3-ANCA positivity was associated with PNR to anti-TNF-α agents (odds ratio 19.29, 95% CI: 3.30-172.67; <i>p</i> = 0.002).</p><p><strong>Conclusion: </strong>PR3-ANCA positivity can predict PNR to anti-TNF-α agents in UC patients.</p>","PeriodicalId":13605,"journal":{"name":"Inflammatory Intestinal Diseases","volume":"6 2","pages":"117-122"},"PeriodicalIF":0.0,"publicationDate":"2021-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1159/000515361","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39090149","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":"Elevated Faecal Calprotectin in Patients with a Normal Colonoscopy: Does It Matter in Clinical Practice? A Retrospective Observational Study.","authors":"Henrik Hovstadius, David Lundgren, Pontus Karling","doi":"10.1159/000513473","DOIUrl":"https://doi.org/10.1159/000513473","url":null,"abstract":"<p><strong>Introduction: </strong>Faecal calprotectin (FC) is commonly used as a diagnostic tool for patients with gastrointestinal (GI) symptoms. However, there is uncertainty in daily clinical practice how to interpret an elevated FC in patients with a normal colonoscopy. We investigated if patients with a normal colonoscopy but with an elevated FC more often were diagnosed with a GI disease in a 3-year follow-up period.</p><p><strong>Methods: </strong>Patients referred for colonoscopy (<i>n</i> = 1,263) to the Umeå University Hospital endoscopy unit between 2007 and 2013 performed a FC test (CALPRO<sup>®</sup>) on the day before bowel preparation. A medical chart review was performed on all patients who had normal findings on their colonoscopy (<i>n</i> = 585, median age 64 years).</p><p><strong>Results: </strong>Thirty-four percent of the patients (<i>n</i> = 202) with normal colonoscopy had elevated FC (>50 μg/g), and these patients were more frequently diagnosed with upper GI disease during the follow-up period than patients with normal FC levels (9.9 vs. 4.7%; <i>p</i> = 0.015). The upper GI diseases were mainly benign (i.e., gastritis). In a binary logistic regression analysis controlling for age, gender, nonsteroid anti-inflammatory drug use, and proton-pump inhibitor use, there was no difference for a new diagnosis of upper GI disease in the follow-up period (multivariate OR 1.70; 95% CI: 0.77-3.74). There was no difference in a new diagnosis of lower GI disease (6.4 vs. 5.2%; <i>p</i> = 0.545) or cardiovascular disease/death (multivariate OR 1.68; 95% CI: 0.83-3.42) in the follow-up period between patients with elevated versus normal FC levels.</p><p><strong>Conclusions: </strong>In patients with a normal colonoscopy, a simultaneously measured increased FC level was not associated with an increased risk for significant GI disease during a follow-up period of 3 years.</p>","PeriodicalId":13605,"journal":{"name":"Inflammatory Intestinal Diseases","volume":"6 2","pages":"101-108"},"PeriodicalIF":0.0,"publicationDate":"2021-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1159/000513473","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39090147","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}