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OP07 Consistent IBD treatment approaches across South Asian and White ethnicities despite phenotypic variations: a study of 33,157 patients using the IBD BioResource OP07 尽管表型存在差异,但南亚和白人族裔的 IBD 治疗方法一致:利用 IBD 生物资源对 33 157 名患者进行的研究
Pub Date : 2024-01-24 DOI: 10.1093/ecco-jcc/jjad212.0007
S Balarajah, L Martinez-Gili, J Alexander, B Mullish, R Perry, J Li, J Marchesi, M Parkes, T Orchard, L Hicks, H Williams
Background The current evidence suggests ethnic distinctions in IBD phenotype, and differences in the provision of treatment have been reported. This multi-centre cohort study utilised the UK IBD BioResource dataset to evaluate phenotypic differences between South Asian (SA) and White (WH) IBD, and to explore if these were associated with differences in treatment. Methods Phenotypic and outcome data were extracted from the IBD BioResource. Chi2 (categorical data) and Mann-Whitney U (continuous data) tests were used. Propensity score matching (PSM) accounted for age at diagnosis, sex, smoking status, disease location and behaviour and perianal disease (CD). Differences in medication use (multivariable logistic regression) and surgical outcomes (Kaplan-Meier and Cox regression analysis) were assessed in propensity-matched (PM) cohorts. Results 33,157 (31,932 WH; 1225 SA) individuals were included (48.1% CD, 45.4% UC, 6.5% IBD-U). UC was the predominant disease subtype in SA (UC, SA 57.3% vs WH 44.9%, p<0.001). SA were younger at diagnosis [CD, SA 24 (IQR 17-36) vs WH 26 (IQR 19-39) years, p<0.001; UC, SA 29 (IQR 22-38) vs WH 35 (25-48) years, p<0.001]. SA CD had less ileal disease (SA 30.3% vs WH 38.4%, padj=0.008), and more perianal involvement (SA 38.5% vs WH 32.3%, p=0.009) than WH. SA CD had less stricturing disease (SA 16.9% vs WH 25.6%, padj<0.001). SA UC were more likely to have extensive disease (SA 41.7% vs WH 34.1%, padj<0.001). Initial analyses in non-PSM cohorts showed that fewer SA CD underwent surgery [SA (n=157,37.4%) vs WH (n=7532,50.4%), p<0.001], and that similar proportions of SA (n=33,5.1%) and WH (n=747,5.5%; p=0.15) UC underwent a colectomy. PSM was used to match 355 SA to 355 WH in CD, and 525 SA to 525 WH in UC. Variables were well-balanced. There were no differences in 5-ASA, corticosteroid, thiopurine, anti-TNF or Vedolizumab use (Table 1). In CD, 126 (36.5%) SA and 152 (44.7%) had surgery. Survival analysis in CD showed no difference in the time to surgery (Fig 1A, log-rank 0.28). SA ethnicity was not associated with increased risk of surgery in CD (HR 0.82, 95% CI 0.63-1.07, p=0.14). In UC, 25 (4.8%) and 37 (7.1%) WH had a colectomy. There was no significant difference in the time to colectomy (Fig 1B, log-rank 0.12) nor was SA ethnicity associated with an increased risk of having a colectomy (HR 0.65, 95% CI 0.39-1.11, p=0.12). Conclusion In the largest analysis of SA IBD to date, we have demonstrated phenotypic differences associated with ethnicity. Accounting for these variations, we have shown comparable provision of medical and surgical treatment in SA and WH. These findings indicate consistent care of IBD patients from different ethnic backgrounds in the UK.
背景 目前的证据表明,IBD 的表型存在种族差异,在提供治疗方面也存在差异。这项多中心队列研究利用英国 IBD 生物资源数据集来评估南亚(SA)和白人(WH)IBD 的表型差异,并探讨这些差异是否与治疗差异有关。方法 从 IBD 生物资源中提取表型和结果数据。采用Chi2(分类数据)和Mann-Whitney U(连续数据)检验。倾向评分匹配(PSM)考虑了诊断时的年龄、性别、吸烟状况、患病部位和行为以及肛周疾病(CD)。在倾向匹配(PM)队列中评估了药物使用(多变量逻辑回归)和手术结果(Kaplan-Meier 和 Cox 回归分析)的差异。结果 共纳入 33157 例(31932 例 WH;1225 例 SA)患者(48.1% CD、45.4% UC、6.5% IBD-U)。UC是SA的主要疾病亚型(UC,SA 57.3% vs WH 44.9%,p<0.001)。南澳大利亚人确诊时更年轻[CD,南澳大利亚人 24(IQR 17-36)岁 vs WH 26(IQR 19-39)岁,p<0.001;UC,南澳大利亚人 29(IQR 22-38)岁 vs WH 35(25-48)岁,p<0.001]。与 WH 相比,SA CD 的回肠病变较少(SA 30.3% vs WH 38.4%,p<0.008),肛周受累较多(SA 38.5% vs WH 32.3%,p<0.009)。南澳大利亚州的 CD 病变较少(南澳大利亚州 16.9% vs WH 25.6%,padj<0.001)。SA UC 更有可能患有广泛性疾病(SA 41.7% vs WH 34.1%,padj<0.001)。对非PSM队列的初步分析表明,接受手术的SA CD较少[SA(n=157,37.4%) vs WH(n=75322,50.4%),p<0.001],接受结肠切除术的SA(n=33,5.1%)和WH(n=747,5.5%;p=0.15)UC比例相似。使用 PSM 将 CD 中的 355 名 SA 与 355 名 WH 匹配,将 UC 中的 525 名 SA 与 525 名 WH 匹配。变量非常均衡。5-ASA、皮质类固醇、硫嘌呤、抗肿瘤坏死因子或维多珠单抗的使用没有差异(表 1)。在 CD 患者中,126 人(36.5%)接受了手术治疗,152 人(44.7%)接受了手术治疗。CD 患者的生存分析表明,手术时间没有差异(图 1A,log-rank 0.28)。在 CD 中,SA 族与手术风险增加无关(HR 0.82,95% CI 0.63-1.07,P=0.14)。在 UC 中,分别有 25 人(4.8%)和 37 人(7.1%)进行了结肠切除术。结肠切除术的时间没有明显差异(图 1B,log-rank 0.12),SA 族也与结肠切除术风险增加无关(HR 0.65,95% CI 0.39-1.11,p=0.12)。结论 在迄今为止最大规模的南澳大利亚 IBD 分析中,我们证实了与种族有关的表型差异。考虑到这些差异,我们发现南澳大利亚州和西澳大利亚州提供的内科和外科治疗具有可比性。这些研究结果表明,英国对不同种族背景的 IBD 患者提供了一致的治疗。
{"title":"OP07 Consistent IBD treatment approaches across South Asian and White ethnicities despite phenotypic variations: a study of 33,157 patients using the IBD BioResource","authors":"S Balarajah, L Martinez-Gili, J Alexander, B Mullish, R Perry, J Li, J Marchesi, M Parkes, T Orchard, L Hicks, H Williams","doi":"10.1093/ecco-jcc/jjad212.0007","DOIUrl":"https://doi.org/10.1093/ecco-jcc/jjad212.0007","url":null,"abstract":"Background The current evidence suggests ethnic distinctions in IBD phenotype, and differences in the provision of treatment have been reported. This multi-centre cohort study utilised the UK IBD BioResource dataset to evaluate phenotypic differences between South Asian (SA) and White (WH) IBD, and to explore if these were associated with differences in treatment. Methods Phenotypic and outcome data were extracted from the IBD BioResource. Chi2 (categorical data) and Mann-Whitney U (continuous data) tests were used. Propensity score matching (PSM) accounted for age at diagnosis, sex, smoking status, disease location and behaviour and perianal disease (CD). Differences in medication use (multivariable logistic regression) and surgical outcomes (Kaplan-Meier and Cox regression analysis) were assessed in propensity-matched (PM) cohorts. Results 33,157 (31,932 WH; 1225 SA) individuals were included (48.1% CD, 45.4% UC, 6.5% IBD-U). UC was the predominant disease subtype in SA (UC, SA 57.3% vs WH 44.9%, p<0.001). SA were younger at diagnosis [CD, SA 24 (IQR 17-36) vs WH 26 (IQR 19-39) years, p<0.001; UC, SA 29 (IQR 22-38) vs WH 35 (25-48) years, p<0.001]. SA CD had less ileal disease (SA 30.3% vs WH 38.4%, padj=0.008), and more perianal involvement (SA 38.5% vs WH 32.3%, p=0.009) than WH. SA CD had less stricturing disease (SA 16.9% vs WH 25.6%, padj<0.001). SA UC were more likely to have extensive disease (SA 41.7% vs WH 34.1%, padj<0.001). Initial analyses in non-PSM cohorts showed that fewer SA CD underwent surgery [SA (n=157,37.4%) vs WH (n=7532,50.4%), p<0.001], and that similar proportions of SA (n=33,5.1%) and WH (n=747,5.5%; p=0.15) UC underwent a colectomy. PSM was used to match 355 SA to 355 WH in CD, and 525 SA to 525 WH in UC. Variables were well-balanced. There were no differences in 5-ASA, corticosteroid, thiopurine, anti-TNF or Vedolizumab use (Table 1). In CD, 126 (36.5%) SA and 152 (44.7%) had surgery. Survival analysis in CD showed no difference in the time to surgery (Fig 1A, log-rank 0.28). SA ethnicity was not associated with increased risk of surgery in CD (HR 0.82, 95% CI 0.63-1.07, p=0.14). In UC, 25 (4.8%) and 37 (7.1%) WH had a colectomy. There was no significant difference in the time to colectomy (Fig 1B, log-rank 0.12) nor was SA ethnicity associated with an increased risk of having a colectomy (HR 0.65, 95% CI 0.39-1.11, p=0.12). Conclusion In the largest analysis of SA IBD to date, we have demonstrated phenotypic differences associated with ethnicity. Accounting for these variations, we have shown comparable provision of medical and surgical treatment in SA and WH. These findings indicate consistent care of IBD patients from different ethnic backgrounds in the UK.","PeriodicalId":15453,"journal":{"name":"Journal of Crohn's and Colitis","volume":"13 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139559191","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}
引用次数: 0
P418 Lipopolysaccharide-Binding Protein (LBP) in Crohn's Disease (CD) Patients: A Promising Non-Invasive Biomarker Monitoring Disease Activity P418 克罗恩病 (CD) 患者的脂多糖结合蛋白 (LBP):一种有望监测疾病活动的非侵入性生物标记物
Pub Date : 2024-01-24 DOI: 10.1093/ecco-jcc/jjad212.0548
C Minsart, L Toris, C Husson, D Franchimont, C Liefferinckx
Background Current biomarkers of inflammatory bowel disease (IBD) monitoring (serum C-reactive protein (CRP) and faecal calprotectin (FC)) have limitations in terms of specificity (SP) and sensitivity (SE), especially for Crohn’s disease (CD) patients. Lipopolysaccharide-binding protein (LBP) is a soluble acute-phase protein and is thought to partly reflect intestinal permeability by binding to bacterial lipopolysaccharides. The search for new biomarkers to monitor disease activity would improve the management of IBD patients. Methods This is a retrospective study including 69 IBD patients (43 CD and 26 ulcerative colitis (UC)) and 21 healthy controls (HC). Serum LBP levels were measured by enzyme-linked immunosorbent assay. Clinical, biological and endoscopic parameters were analysed for IBD patients. Statistical tests, including nonparametric tests and receiver operating characteristic (ROC) curve analysis, were used to evaluate the diagnostic accuracy of LBP. Results Demographics and baseline data of the overall cohort is presented in Table 1. IBD patients displayed a significantly higher LBP median (29.6 µg/mL [19.8-38.8] in CD and 22.8 [13.7-38.8] in UC) than HC (5.5 [4.4-6.5], P < 0.001) with no overlapping distributions, a finding supported by an AUC of 0.997 and 0.989, respectively for CD and UC patients (Figures 1A). In CD patients, LBP levels gradually increased with endoscopic severity, demonstrating a 1.7-fold rise in active patients compared to remitter patients (P=0.02) (Figure 1B). LBP levels were higher in Montreal B1 compared to B2 and B3 CD patients (P < 0.001) (Figure 1C). Overall, a robust correlation was observed between LBP and CRP (ρ=0.75, P < 0.001). The correlation increased upon the exclusion of cases with normal CRP levels but active endoscopic disease (ρ=0.79, P < 0.001). In those endoscopically active patients with normal CRP, LBP level was higher than in remitter patients (34.3 [29.4-37.6] vs 19.1 [10-24.7], P=0.01) with a discriminative cut-off of 25 µg/mL (SE of 100%, SP of 89%). Likewise, LBP level exhibited a positive correlation with FC (ρ=0.42, P < 0.01) which was further strengthened after excluding cases where FC measurements did not align with endoscopic activity (ρ=0.53, P < 0.01). The median LBP for those patients was 25.6 [18.5-31.5], reflecting again the interest of LBP measurement to evaluate CD activity when FC lacks sensibility. Conclusion Our study suggests that LBP might be a promising non-invasive biomarker for monitoring disease activity, especially in CD patients. Furthermore, in clinical situations where current biomarkers (CRP and FC) lack sensitivity for assessing disease activity, LBP could be discriminative and help filling the gap for reliable therapeutic decisions.
背景 目前监测炎症性肠病(IBD)的生物标记物(血清C反应蛋白(CRP)和粪便钙蛋白(FC))在特异性(SP)和敏感性(SE)方面存在局限性,尤其是对克罗恩病(CD)患者而言。脂多糖结合蛋白(LBP)是一种可溶性急性期蛋白,被认为可通过与细菌脂多糖结合而部分反映肠道通透性。寻找新的生物标记物来监测疾病活动将改善对 IBD 患者的管理。方法 这是一项回顾性研究,包括 69 名 IBD 患者(43 名 CD 患者和 26 名溃疡性结肠炎(UC)患者)和 21 名健康对照组(HC)。血清枸杞多糖水平通过酶联免疫吸附试验测定。对 IBD 患者的临床、生物和内窥镜参数进行了分析。统计检验包括非参数检验和接收者操作特征曲线分析,用于评估枸杞多糖的诊断准确性。结果 表 1 列出了总体队列的人口统计学和基线数据。IBD 患者的枸杞多糖中位数(CD 患者为 29.6 µg/mL [19.8-38.8],UC 患者为 22.8 [13.7-38.8])明显高于 HC 患者(5.5 [4.4-6.5],P< 0.001),且没有重叠分布,CD 和 UC 患者的 AUC 分别为 0.997 和 0.989(图 1A)。在 CD 患者中,枸杞多糖水平随内镜严重程度逐渐升高,活动期患者的枸杞多糖水平是缓解期患者的 1.7 倍(P=0.02)(图 1B)。与 B2 和 B3 CD 患者相比,蒙特利尔 B1 患者的枸杞多糖水平更高(P < 0.001)(图 1C)。总体而言,LBP 与 CRP 之间存在很强的相关性(ρ=0.75,P < 0.001)。在排除 CRP 水平正常但内镜疾病活跃的病例后,相关性增加(ρ=0.79,P < 0.001)。在 CRP 正常的内镜活动期患者中,枸杞多糖水平高于缓解期患者(34.3 [29.4-37.6] vs 19.1 [10-24.7],P=0.01),分辨临界值为 25 µg/mL(SE 为 100%,SP 为 89%)。同样,枸杞多糖水平与 FC 呈正相关(ρ=0.42,P< 0.01),在排除 FC 测量与内镜活动不一致的病例后,这种相关性进一步加强(ρ=0.53,P< 0.01)。这些患者的 LBP 中位数为 25.6 [18.5-31.5],再次反映了当 FC 缺乏敏感性时,用 LBP 测量来评估 CD 活动的意义。结论 我们的研究表明,枸杞苷可能是一种很有前景的监测疾病活动的非侵入性生物标志物,尤其是在 CD 患者中。此外,在目前的生物标志物(CRP 和 FC)对评估疾病活动性缺乏敏感性的临床情况下,枸杞多糖可以起到鉴别作用,有助于填补空白,做出可靠的治疗决定。
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引用次数: 0
P905 Symptomatic remission and IUS improvements in a multi-national real-world cohort of UC patients treated with Upadacitinib - First results from the IBD-DACH study EUROPE P905 多国Upadacitinib治疗UC患者队列的症状缓解和IUS改善--IBD-DACH研究的首批结果 欧洲
Pub Date : 2024-01-24 DOI: 10.1093/ecco-jcc/jjad212.1035
S Zeissig, R Schmelz, U Helwig, A R Moschen, T Greuter, I Fischer, L Hammer, S Rath, T Kucharzik, C Maaser
Background Upadacitinib (UPA) is an oral, reversible and selective Januskinase-inhibitor (JAKi) that was approved for the treatment of several immune-mediated inflammatory diseases, including moderate to severe ulcerative colitis (UC) (1). While the efficacy of UPA has been demonstrated in clinical trials in UC, real-word (RW) evidence on the effectiveness and safety of UPA in UC remains scarce (2). Here, we shed light on the clinical and sonographic results after 2 and 8 weeks of UPA induction in a large, multinational RW cohort of UC patients. Methods EUROPE is an ongoing, prospective, non-interventional, multi-country study in patients with active UC who initiate therapy with UPA. The study assesses the early clinical effectiveness and the predictive value of early disease improvements including sonographic parameters for the long-term outcome after 52 and 104 weeks. For this interim analysis, we report clinical and sonographic results at baseline (BL), week 2 (2W) and week 8 (8W) of 124 UC patients with a visit after 8W until August 2023. For 75 patients, sonographic BL data for the most affected bowel segment was available. Results Of the 124 UC patients, most were male (60.5%, n = 75) with a median age and disease duration of 37.5 years (27.5 – 50.9) and 6.58 years (2.40–12.13). Almost half of all patients had a pancolitis (48.4%, n = 60) The vast majority of patients was bio-experienced (85.5%, n = 106), a third had been exposed to ≥ 3 biologicals (28.2%, n = 35). At BL, patients had a median bowel wall thickness (BWT) of 5.0 mm (3.8-7.0) in the sigmoid colon. It was the most affected segment in 44.4% of patients (n = 55). Disease activity per paMayo score was 3.0 (2.0-5.0) points, with 72.6% (n = 90) and 38.8% (n = 48) of patients reporting ≥ 3 more stools than usual/day and blood in most stools or bleeding without stool, respectively. At 2W after UPA induction, stool frequency and rectal bleeding substantially improved as reflected by the rate of patients in symptomatic remission significantly increasing from 16.9% (n = 21) at BL to 43.5% (n = 54) at 2W and to 64.5% (n = 80) at W8 (both p < 0.001 vs. BL, fig.1). BWT was reduced significantly as early as 2W (n = 48; p < 0.001) and was ≤ 3mm in more than half of all patients. Considering the overall population, 156 patients were included in the safety analysis. Of these, 23.7% (n = 37) experienced an adverse event of which most were non-serious. Conclusion In this first interim analysis of the EUROPE study, UPA treatment in UC was associated with early clinical and sonographic improvement, with most patients achieving symptomatic remission and/or normalization of BWT by week 8 of treatment. 1-SmPC Upadacitinib 2-Danese, Vermeire et al. Lancet. 2022 Jun 4;399(10341):2113-2128
背景 乌达替尼(UPA)是一种口服、可逆、选择性 Januskinase 抑制剂(JAKi),已被批准用于治疗多种免疫介导的炎症性疾病,包括中度至重度溃疡性结肠炎(UC)(1)。虽然 UPA 对 UC 的疗效已在临床试验中得到证实,但有关 UPA 对 UC 的有效性和安全性的实证(RW)仍然很少(2)。在此,我们对一个大型、多国 UC 患者 RW 队列中 UPA 诱导 2 周和 8 周后的临床和声像图结果进行了分析。方法 欧洲(EUROPE)是一项正在进行的前瞻性、非干预性、多国研究,研究对象是开始接受 UPA 治疗的活动性 UC 患者。该研究评估了早期临床疗效以及早期疾病改善的预测价值,包括声像图参数对 52 周和 104 周后长期疗效的预测价值。在本次中期分析中,我们报告了124名UC患者在基线(BL)、第2周(2W)和第8周(8W)的临床和声像图结果,并在8W后进行了回访,直至2023年8月。其中,75 名患者获得了受影响最严重的肠段的声像图基线数据。结果 124 名 UC 患者中,大多数为男性(60.5%,n = 75),中位年龄和病程分别为 37.5 岁(27.5 - 50.9)和 6.58 岁(2.40-12.13)。几乎一半的患者患有胰腺炎(48.4%,n = 60),绝大多数患者有生物感染经历(85.5%,n = 106),三分之一的患者曾接触过≥3种生物制剂(28.2%,n = 35)。在BL期,患者乙状结肠的中位肠壁厚度(BWT)为5.0毫米(3.8-7.0)。44.4%的患者(n = 55)受影响最严重。疾病活动度按paMayo评分为3.0(2.0-5.0)分,分别有72.6%(n = 90)和38.8%(n = 48)的患者报告大便次数比平时多≥3次/天,大多数大便带血或无便出血。UPA 诱导后 2W 时,大便次数和直肠出血情况大幅改善,这体现在症状缓解的患者比例从 BL 时的 16.9%(n = 21)显著增加到 2W 时的 43.5%(n = 54)和 W8 时的 64.5%(n = 80)(与 BL 相比,p 均为 0.001,图 1)。BWT 早在第 2W 期就明显降低(n = 48;p &;lt;0.001),超过一半的患者 BWT 低于 3mm。考虑到总体人群,156 名患者被纳入安全性分析。其中,23.7%(n = 37)的患者出现了不良反应,其中大部分为非严重不良反应。结论 在这项欧洲研究的首次中期分析中,UPA治疗UC可早期改善临床症状和声像图,大多数患者在治疗第8周时症状缓解和/或BWT正常化。1-SmPC Upadacitinib 2-Danese, Vermeire et al.2022年6月4日;399(10341):2113-2128
{"title":"P905 Symptomatic remission and IUS improvements in a multi-national real-world cohort of UC patients treated with Upadacitinib - First results from the IBD-DACH study EUROPE","authors":"S Zeissig, R Schmelz, U Helwig, A R Moschen, T Greuter, I Fischer, L Hammer, S Rath, T Kucharzik, C Maaser","doi":"10.1093/ecco-jcc/jjad212.1035","DOIUrl":"https://doi.org/10.1093/ecco-jcc/jjad212.1035","url":null,"abstract":"Background Upadacitinib (UPA) is an oral, reversible and selective Januskinase-inhibitor (JAKi) that was approved for the treatment of several immune-mediated inflammatory diseases, including moderate to severe ulcerative colitis (UC) (1). While the efficacy of UPA has been demonstrated in clinical trials in UC, real-word (RW) evidence on the effectiveness and safety of UPA in UC remains scarce (2). Here, we shed light on the clinical and sonographic results after 2 and 8 weeks of UPA induction in a large, multinational RW cohort of UC patients. Methods EUROPE is an ongoing, prospective, non-interventional, multi-country study in patients with active UC who initiate therapy with UPA. The study assesses the early clinical effectiveness and the predictive value of early disease improvements including sonographic parameters for the long-term outcome after 52 and 104 weeks. For this interim analysis, we report clinical and sonographic results at baseline (BL), week 2 (2W) and week 8 (8W) of 124 UC patients with a visit after 8W until August 2023. For 75 patients, sonographic BL data for the most affected bowel segment was available. Results Of the 124 UC patients, most were male (60.5%, n = 75) with a median age and disease duration of 37.5 years (27.5 – 50.9) and 6.58 years (2.40–12.13). Almost half of all patients had a pancolitis (48.4%, n = 60) The vast majority of patients was bio-experienced (85.5%, n = 106), a third had been exposed to ≥ 3 biologicals (28.2%, n = 35). At BL, patients had a median bowel wall thickness (BWT) of 5.0 mm (3.8-7.0) in the sigmoid colon. It was the most affected segment in 44.4% of patients (n = 55). Disease activity per paMayo score was 3.0 (2.0-5.0) points, with 72.6% (n = 90) and 38.8% (n = 48) of patients reporting ≥ 3 more stools than usual/day and blood in most stools or bleeding without stool, respectively. At 2W after UPA induction, stool frequency and rectal bleeding substantially improved as reflected by the rate of patients in symptomatic remission significantly increasing from 16.9% (n = 21) at BL to 43.5% (n = 54) at 2W and to 64.5% (n = 80) at W8 (both p < 0.001 vs. BL, fig.1). BWT was reduced significantly as early as 2W (n = 48; p < 0.001) and was ≤ 3mm in more than half of all patients. Considering the overall population, 156 patients were included in the safety analysis. Of these, 23.7% (n = 37) experienced an adverse event of which most were non-serious. Conclusion In this first interim analysis of the EUROPE study, UPA treatment in UC was associated with early clinical and sonographic improvement, with most patients achieving symptomatic remission and/or normalization of BWT by week 8 of treatment. 1-SmPC Upadacitinib 2-Danese, Vermeire et al. Lancet. 2022 Jun 4;399(10341):2113-2128","PeriodicalId":15453,"journal":{"name":"Journal of Crohn's and Colitis","volume":"57 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139559202","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}
引用次数: 0
P658 Safety and efficacy of MH002, an optimized live biotherapeutic product, for the treatment of mild to moderate ulcerative colitis: a first-in-disease, double-blind, randomized clinical trial P658 MH002(一种优化的活生物治疗产品)治疗轻度至中度溃疡性结肠炎的安全性和有效性:首次病例双盲随机临床试验
Pub Date : 2024-01-24 DOI: 10.1093/ecco-jcc/jjad212.0788
S Vermeire, P Dewint, M Vansteelant, M Peterka, D Štěpek, J Kierkuś, A Wiernicka, P Napora, Ł Wolański, A Kopoń, F Magro, I Pinheiro, S Possemiers, L Haazen, S Bolca
Background Treatment options for patients with mild to moderate ulcerative colitis (UC) failing 5-ASA are limited. MH002 is an optimized consortium of 6 non-pathogenic, well-characterized commensal bacteria with immune modulating, wound healing and gut barrier protective effects. This study evaluated the safety, efficacy, and mechanistic effects of MH002 in mild to moderate UC. Methods In this 2:1-randomized, double-blind, placebo-controlled first-in-disease study (EudraCT 2020-001355-33), 45 patients with mild to moderate active UC (Modified Mayo Score [MMS] =4-8 but including Mayo Endoscopic Sub-score [MES] ≥2) received treatment with 400mg MH002 or placebo (PBO) once daily for 8 wks. Full colonoscopies with biopsies were performed at baseline and wk8, biopsies and endoscopy videos were scored by blinded central readers. The primary endpoint was the rate of treatment-emergent adverse events (TEAEs). Exploratory efficacy endpoints included clinical remission (MMS ≤2 with all sub-scores ≤1 and rectal bleeding sub-score =0), endoscopic improvement (MES ≤1), and UC-100 and biomarker normalisation (C-reactive protein [CRP] ≤5mg/L, faecal calprotectin [FCP] ≤250mg/kg). Changes from baseline (CFBL) in MES and stool consistency (Bristol Stool Form Scale) were also evaluated. Results MH002 was safe and well tolerated: a TEAE was reported in 11/31 (35%) patients with MH002 and in 8/14 (57%) with PBO. Most TEAEs were mild and unrelated to study treatment. Early discontinuations (7/45; 16%) occurred similarly in both groups. At wk8, patients achieved clinical remission, endoscopic improvement, and biomarker improvements at higher rates with MH002 vs PBO (Table 1). Clinical remission rates were 14% for MH002 vs 7% for PBO (Per-protocol Set [PPS]: 18% vs 0%). Significant differences in favour of MH002 over PBO were seen in the CFBL for MES at wk8 (P=0.05, 1-sided Wilcoxon) and for stool consistency at wk2 (P=0.0057, 1-sided Student t). In total, 14/45 (31%) and 36/42 (86%) patients had elevated CRP and FCP levels at baseline, resp. Of these, more patients treated with MH002 achieved normalisation at wk8 (CRP: 60% vs 25%; FCP: 36% vs 15%). Decreases in FCP and stool consistency with MH002 were observed as early as wk2 and were greater than with PBO through wk8 (Fig 1). Conclusion MH002 treatment was safe and well tolerated and resulted in clinically meaningful improvements in disease activity and inflammatory parameters. MH002 therefore represents a promising new treatment for mild to moderate UC patients insufficiently controlled with 5ASA. These results warrant further development in a phase 2/3 study.
背景轻度至中度溃疡性结肠炎(UC)患者无法使用 5-ASA 的治疗方案十分有限。MH002 是由 6 种非致病性、特征明确的共生菌组成的优化菌群,具有免疫调节、伤口愈合和肠道屏障保护作用。本研究评估了 MH002 在轻度至中度 UC 中的安全性、有效性和机理作用。方法 在这项2:1随机、双盲、安慰剂对照的首次病例研究(EudraCT 2020-001355-33)中,45名轻度至中度活动性UC患者(改良梅奥评分[MMS] =4-8,但包括梅奥内镜子评分[MES] ≥2)接受了400毫克MH002或安慰剂(PBO)治疗,每天一次,为期8周。在基线和第8周进行带有活检的全结肠镜检查,活检和内镜检查视频由盲人中央阅片员评分。主要终点是治疗突发不良事件(TEAE)发生率。探索性疗效终点包括临床缓解(MMS≤2,所有子评分≤1,直肠出血子评分=0)、内镜改善(MES≤1)、UC-100和生物标志物正常化(C反应蛋白[CRP]≤5mg/L,粪钙蛋白[FCP]≤250mg/kg)。此外,还评估了 MES 和粪便稠度(布里斯托尔粪便形态量表)与基线(CFBL)相比的变化。结果 MH002 安全且耐受性良好:11/31(35%)名使用 MH002 的患者和 8/14(57%)名使用 PBO 的患者出现了 TEAE。大多数 TEAE 为轻度,与研究治疗无关。两组患者的早期停药率相似(7/45;16%)。第8周时,MH002与PBO相比,患者实现临床缓解、内镜改善和生物标志物改善的比例更高(表1)。MH002的临床缓解率为14%,PBO为7%(每方案组[PPS]:18% vs 0%)。在第8周的MES(P=0.05,单侧Wilcoxon)和第2周的粪便稠度(P=0.0057,单侧Student t)的CFBL中,MH002比PBO有显著差异。其中,更多接受 MH002 治疗的患者在第 8 周时恢复正常(CRP:60% 对 25%;FCP:36% 对 15%)。使用 MH002 治疗后,FCP 和粪便稠度的下降早在第 2 周就可观察到,并且在第 8 周时比 PBO 治疗时的下降幅度更大(图 1)。结论 MH002 治疗安全且耐受性良好,可使疾病活动性和炎症指标得到有临床意义的改善。因此,MH002 是一种很有前景的新疗法,适用于 5ASA 无法充分控制的轻中度 UC 患者。这些结果值得在2/3期研究中进一步开发。
{"title":"P658 Safety and efficacy of MH002, an optimized live biotherapeutic product, for the treatment of mild to moderate ulcerative colitis: a first-in-disease, double-blind, randomized clinical trial","authors":"S Vermeire, P Dewint, M Vansteelant, M Peterka, D Štěpek, J Kierkuś, A Wiernicka, P Napora, Ł Wolański, A Kopoń, F Magro, I Pinheiro, S Possemiers, L Haazen, S Bolca","doi":"10.1093/ecco-jcc/jjad212.0788","DOIUrl":"https://doi.org/10.1093/ecco-jcc/jjad212.0788","url":null,"abstract":"Background Treatment options for patients with mild to moderate ulcerative colitis (UC) failing 5-ASA are limited. MH002 is an optimized consortium of 6 non-pathogenic, well-characterized commensal bacteria with immune modulating, wound healing and gut barrier protective effects. This study evaluated the safety, efficacy, and mechanistic effects of MH002 in mild to moderate UC. Methods In this 2:1-randomized, double-blind, placebo-controlled first-in-disease study (EudraCT 2020-001355-33), 45 patients with mild to moderate active UC (Modified Mayo Score [MMS] =4-8 but including Mayo Endoscopic Sub-score [MES] ≥2) received treatment with 400mg MH002 or placebo (PBO) once daily for 8 wks. Full colonoscopies with biopsies were performed at baseline and wk8, biopsies and endoscopy videos were scored by blinded central readers. The primary endpoint was the rate of treatment-emergent adverse events (TEAEs). Exploratory efficacy endpoints included clinical remission (MMS ≤2 with all sub-scores ≤1 and rectal bleeding sub-score =0), endoscopic improvement (MES ≤1), and UC-100 and biomarker normalisation (C-reactive protein [CRP] ≤5mg/L, faecal calprotectin [FCP] ≤250mg/kg). Changes from baseline (CFBL) in MES and stool consistency (Bristol Stool Form Scale) were also evaluated. Results MH002 was safe and well tolerated: a TEAE was reported in 11/31 (35%) patients with MH002 and in 8/14 (57%) with PBO. Most TEAEs were mild and unrelated to study treatment. Early discontinuations (7/45; 16%) occurred similarly in both groups. At wk8, patients achieved clinical remission, endoscopic improvement, and biomarker improvements at higher rates with MH002 vs PBO (Table 1). Clinical remission rates were 14% for MH002 vs 7% for PBO (Per-protocol Set [PPS]: 18% vs 0%). Significant differences in favour of MH002 over PBO were seen in the CFBL for MES at wk8 (P=0.05, 1-sided Wilcoxon) and for stool consistency at wk2 (P=0.0057, 1-sided Student t). In total, 14/45 (31%) and 36/42 (86%) patients had elevated CRP and FCP levels at baseline, resp. Of these, more patients treated with MH002 achieved normalisation at wk8 (CRP: 60% vs 25%; FCP: 36% vs 15%). Decreases in FCP and stool consistency with MH002 were observed as early as wk2 and were greater than with PBO through wk8 (Fig 1). Conclusion MH002 treatment was safe and well tolerated and resulted in clinically meaningful improvements in disease activity and inflammatory parameters. MH002 therefore represents a promising new treatment for mild to moderate UC patients insufficiently controlled with 5ASA. These results warrant further development in a phase 2/3 study.","PeriodicalId":15453,"journal":{"name":"Journal of Crohn's and Colitis","volume":"122 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139559216","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}
引用次数: 0
P386 Persistence of bowel urgency despite clinical remission after induction therapy is associated with unfavorable long-term outcomes in patients with ulcerative colitis: results from the multicenter UC-RGENCY study P386 尽管诱导治疗后临床症状有所缓解,但肠紧迫感仍持续存在,这与溃疡性结肠炎患者不利的长期预后有关:多中心 UC-RGENCY 研究的结果
Pub Date : 2024-01-24 DOI: 10.1093/ecco-jcc/jjad212.0516
A Buisson, A Amiot, M Nachury, R Altwegg, M Serrero, T Guilmoteau, X Treton, L Caillo, L Vuitton, G Bouguen, B Pereira, M Fumery
Background STRIDE 2 recommendations define clinical remission as no rectal bleeding and normalization of stool frequency in patients with ulcerative colitis (UC), without including bowel urgency (BU) despite its negative impact on quality of life. In this large multicenter cohort, we aimed to assess whether the persistence of BU after induction therapy is independently associated with poor long-term outcomes in patients with UC. Methods From a multicenter retrospective study, we included consecutive UC adult patients previously exposed to at least one anti-TNF agent, with partial Mayo score (pMS) > 2, who started biologics or small molecules between Jan2019 and June2022. BU was defined as a binary criterion based on the SCCAI definition. The primary endpoint was the time to drug discontinuation due to active UC. Secondary endpoints were time to relapse, time to colectomy as well as steroid-free clinical remission (pMS ≤ 2) (CFREM), endoscopic remission (CFREM + Mayo endoscopic score (MES) ≤ 1), and mucosal healing (CFREM + MES ≤ 1 + histological remission i.e. Nancy index ≤ 1) at last follow-up. Results Among 473 patients with UC, 270 were assessed for BU after induction therapy (week 16) (mean age 43.0±17.0 years-old, median UC duration 6 [3-11] years, female gender=54.0%, pancolitis=45.9%). The median follow-up was 14 [8-22] months. The rate of CFREM after induction therapy was 54.4% (147/270) while 21.5% (58/270) had remaining bowel urgencies after induction therapy. Among the 147 patients achieving remission after induction therapy, 12 had persistent BU (8.2%), while 62.6% (77/123) of patients with no CFREM after induction therapy did not have any BU. The agreements between BU and rectal bleeding (75.2%, κ-coefficient = 0.33±0.06) or normalization of stools frequency (67.9%,κ-coefficient = 0.35±0.05) were mild. Among the patients with persistent BU after induction therapy, only 3.7% had no endoscopic activity (MES = 0). In multivariable analyses including CFREM at week 16, persistence of BU after induction therapy was independently associated with the time to drug discontinuation (HR=2.0[1.1-3.5], p=0.016) and colectomy (HR=4.4[2.3-8.4], p<0.001), and absence of mucosal healing (OR = 5.0[1.1-24.8], p=0.046) at last follow-up. A trend was also observed regarding the association between remaining BU after induction therapy and no CFREM (OR=6.1[0.8-48.0], p=0.085) or absence of endoscopic remission (OR=2.4[0.9-6.1], p=0.077) at last follow-up. Conclusion Persistence of BU despite clinical remission is associated with higher risk of drug discontinuation due to active UC, colectomy and lower likelihood of mucosal healing. Bowel urgency should be implemented into international guidelines to define clinical remission in patients with UC.
背景 STRIDE 2 建议将溃疡性结肠炎(UC)患者的临床缓解定义为无直肠出血和大便次数正常,但不包括肠紧迫感(BU),尽管它对生活质量有负面影响。在这一大型多中心队列中,我们旨在评估诱导治疗后肠紧迫感的持续存在是否与溃疡性结肠炎患者不良的长期预后独立相关。方法 从一项多中心回顾性研究中,我们纳入了曾接触过至少一种抗肿瘤坏死因子药物、部分梅奥评分(pMS)> 2、在 2019 年 1 月至 2022 年 6 月期间开始使用生物制剂或小分子药物的连续 UC 成人患者。根据 SCCAI 的定义,BU 被定义为二元标准。主要终点是因活动性 UC 而停药的时间。次要终点是复发时间、结肠切除时间以及最后一次随访时的无类固醇临床缓解(pMS ≤ 2)(CFREM)、内镜缓解(CFREM + 梅奥内镜评分(MES)≤ 1)和粘膜愈合(CFREM + MES ≤ 1 + 组织学缓解,即南希指数≤ 1)。结果 在473名UC患者中,有270人在诱导治疗后(第16周)接受了BU评估(平均年龄为43.0±17.0岁,中位UC病程为6 [3-11]年,女性=54.0%,胰腺炎=45.9%)。中位随访时间为 14 [8-22] 个月。诱导治疗后出现 CFREM 的比例为 54.4%(147/270),而 21.5%(58/270)的患者在诱导治疗后仍有肠道紧迫感。在诱导治疗后获得缓解的 147 名患者中,12 人(8.2%)有持续的 BU,而在诱导治疗后没有 CFREM 的患者中,62.6%(77/123)没有任何 BU。BU与直肠出血(75.2%,κ系数=0.33±0.06)或大便次数正常化(67.9%,κ系数=0.35±0.05)之间的吻合度较低。在诱导治疗后出现持续性 BU 的患者中,只有 3.7% 没有内镜活动(MES = 0)。在包括第16周CFREM的多变量分析中,诱导治疗后BU持续存在与停药时间(HR=2.0[1.1-3.5],p=0.016)和结肠切除术(HR=4.4[2.3-8.4],p<0.001)以及最后一次随访时粘膜未愈合(OR=5.0[1.1-24.8],p=0.046)独立相关。在诱导治疗后仍存在 BU 与最后一次随访时无 CFREM(OR=6.1[0.8-48.0],p=0.085)或无内镜缓解(OR=2.4[0.9-6.1],p=0.077)之间的关联方面,也观察到一种趋势。结论 尽管临床缓解,但 BU 的持续存在与活动性 UC、结肠切除术和粘膜愈合可能性较低导致的停药风险较高有关。肠道紧迫性应纳入国际指南,以界定 UC 患者的临床缓解。
{"title":"P386 Persistence of bowel urgency despite clinical remission after induction therapy is associated with unfavorable long-term outcomes in patients with ulcerative colitis: results from the multicenter UC-RGENCY study","authors":"A Buisson, A Amiot, M Nachury, R Altwegg, M Serrero, T Guilmoteau, X Treton, L Caillo, L Vuitton, G Bouguen, B Pereira, M Fumery","doi":"10.1093/ecco-jcc/jjad212.0516","DOIUrl":"https://doi.org/10.1093/ecco-jcc/jjad212.0516","url":null,"abstract":"Background STRIDE 2 recommendations define clinical remission as no rectal bleeding and normalization of stool frequency in patients with ulcerative colitis (UC), without including bowel urgency (BU) despite its negative impact on quality of life. In this large multicenter cohort, we aimed to assess whether the persistence of BU after induction therapy is independently associated with poor long-term outcomes in patients with UC. Methods From a multicenter retrospective study, we included consecutive UC adult patients previously exposed to at least one anti-TNF agent, with partial Mayo score (pMS) > 2, who started biologics or small molecules between Jan2019 and June2022. BU was defined as a binary criterion based on the SCCAI definition. The primary endpoint was the time to drug discontinuation due to active UC. Secondary endpoints were time to relapse, time to colectomy as well as steroid-free clinical remission (pMS ≤ 2) (CFREM), endoscopic remission (CFREM + Mayo endoscopic score (MES) ≤ 1), and mucosal healing (CFREM + MES ≤ 1 + histological remission i.e. Nancy index ≤ 1) at last follow-up. Results Among 473 patients with UC, 270 were assessed for BU after induction therapy (week 16) (mean age 43.0±17.0 years-old, median UC duration 6 [3-11] years, female gender=54.0%, pancolitis=45.9%). The median follow-up was 14 [8-22] months. The rate of CFREM after induction therapy was 54.4% (147/270) while 21.5% (58/270) had remaining bowel urgencies after induction therapy. Among the 147 patients achieving remission after induction therapy, 12 had persistent BU (8.2%), while 62.6% (77/123) of patients with no CFREM after induction therapy did not have any BU. The agreements between BU and rectal bleeding (75.2%, κ-coefficient = 0.33±0.06) or normalization of stools frequency (67.9%,κ-coefficient = 0.35±0.05) were mild. Among the patients with persistent BU after induction therapy, only 3.7% had no endoscopic activity (MES = 0). In multivariable analyses including CFREM at week 16, persistence of BU after induction therapy was independently associated with the time to drug discontinuation (HR=2.0[1.1-3.5], p=0.016) and colectomy (HR=4.4[2.3-8.4], p<0.001), and absence of mucosal healing (OR = 5.0[1.1-24.8], p=0.046) at last follow-up. A trend was also observed regarding the association between remaining BU after induction therapy and no CFREM (OR=6.1[0.8-48.0], p=0.085) or absence of endoscopic remission (OR=2.4[0.9-6.1], p=0.077) at last follow-up. Conclusion Persistence of BU despite clinical remission is associated with higher risk of drug discontinuation due to active UC, colectomy and lower likelihood of mucosal healing. Bowel urgency should be implemented into international guidelines to define clinical remission in patients with UC.","PeriodicalId":15453,"journal":{"name":"Journal of Crohn's and Colitis","volume":"24 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139559391","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}
引用次数: 0
P701 Evaluation of the effectiveness of vedolizumab in patients with Crohn's disease: a multicenter real-life study from Argentina P701 评估维多珠单抗对克罗恩病患者的疗效:阿根廷一项多中心实际生活研究
Pub Date : 2024-01-24 DOI: 10.1093/ecco-jcc/jjad212.0831
D C Balderramo, J Etchevers, C Fuxman, P Lubrano, M Bellicoso, G Correa, J Trakal, M R Defago, J Montero, M Toro, A Novillo, M Bonardo, N Arancibia, S Motañez, S Quines, S Huernos, A Gil, R Gonzalez, S Goncalves
Background Vedolizumab (VDZ) is a gut-selective integrin inhibitor used to treat Crohn's disease (CD). Most of the information regarding real-life data on response to VDZ has been published from North America and Europe cohorts and there is scarce information from Latin America related to effectiveness of VDZ in patients with CD. The aims of this study were: i) to describe the clinical characteristics of patients with CD who received VDZ, ii) to know in which biologic line VDZ was indicated, and iii) to evaluate the clinical response at one year and the persistence of treatment during follow-up. Methods A retrospective multicenter study was conducted in 18 Argentinean centers. We included CD adult patients (age ≥18y) who started VDZ between 01/06/2015 and 31/10/2023 and completed at least VDZ induction. Baseline demographic characteristics, response at 12 months (m), need for optimization, and treatment persistence during follow-up were assessed. Logistic regression was used to evaluate predictors for response at 12m and treatment persistence. Results A total of 113 CD patients (57% male), mean age 52 years (range 18-87 years) were included. Colonic (47%) and ileal (29%) were the most frequent CD involvement. Inflammatory (68%) was the most frequent phenotype compared to stenosing (23%) and fistulizing (9%). Perianal involvement was present in 9% of patients. VDZ was indicated as first-line in 61 (54%) patients, second-line 31 (27.4%) patients, third line 17 (15%) patients, and fourth-line 4 (3.5%) patients. At 12 m of follow-up, clinical remission was observed in 37 (32.7%) patients and clinical response in 56 (49.6%) patients. Eighteen (15.9%) patients presented a lack of response/primary failure. Adverse effects leading to VDZ discontinuation prior to 12m occurred in 2 (1.8%) patients. Mean follow-up time in those patients that achieved clinical remission/response at 12m was 23 (SD 15) m. Thirty-five (37.6%) of those patients required dose optimization and 69 (74.2%) persisted on treatment during follow-up. Male sex (OR 2.93, 95%CI 1.04-8.26) and inflammatory phenotype (OR 5.37, 95%CI 1.16-24.9) were independent predictors for clinical response/remission at 12m. VDZ in first-line (OR 3, 95%CI 1.05-8.52) and inflammatory phenotype (OR 2.96, 95%CI 1.07-8.22) were independent predictors for treatment persistence in those patients that achieved clinical remission/response at 12m. Conclusion This is the first real-life multicenter study on the effectiveness of VZD in CD in Argentina and one of the largest in Latin America. VDZ showed an effective therapeutic option in a real-life setting. A higher efficacy was observed in males, inflammatory phenotype and in biologic-naïve patients.
背景 韦多珠单抗(VDZ)是一种肠道选择性整合素抑制剂,用于治疗克罗恩病(CD)。有关 VDZ 反应的真实数据信息大多发表于北美和欧洲队列,拉丁美洲有关 VDZ 对 CD 患者疗效的信息很少。本研究的目的是:i) 描述接受 VDZ 治疗的 CD 患者的临床特征;ii) 了解 VDZ 适用于哪种生物疗法;iii) 评估一年后的临床反应以及随访期间治疗的持续性。方法 在阿根廷的 18 个中心开展了一项回顾性多中心研究。我们纳入了2015年6月1日至2023年10月31日期间开始接受VDZ治疗并至少完成VDZ诱导治疗的CD成人患者(年龄≥18岁)。评估了基线人口统计学特征、12个月时的反应(m)、优化需求以及随访期间的治疗持续性。采用逻辑回归评估12个月时的反应和治疗持续性的预测因素。结果 共纳入 113 名 CD 患者(57% 为男性),平均年龄 52 岁(18-87 岁不等)。结肠(47%)和回肠(29%)是 CD 最常累及的部位。与狭窄型(23%)和瘘管型(9%)相比,炎症型(68%)是最常见的表型。9%的患者肛周受累。61例(54%)患者将VDZ作为一线用药,31例(27.4%)患者作为二线用药,17例(15%)患者作为三线用药,4例(3.5%)患者作为四线用药。在 12 个月的随访中,37 名患者(32.7%)出现临床缓解,56 名患者(49.6%)出现临床反应。18名患者(15.9%)出现无应答/初步失败。有 2 例(1.8%)患者因不良反应而在 12m 前停用 VDZ。这些患者中有 35 人(37.6%)需要优化剂量,69 人(74.2%)在随访期间坚持治疗。男性性别(OR 2.93,95%CI 1.04-8.26)和炎症表型(OR 5.37,95%CI 1.16-24.9)是12 m时临床反应/缓解的独立预测因素。一线治疗中的 VDZ(OR 3,95%CI 1.05-8.52)和炎症表型(OR 2.96,95%CI 1.07-8.22)是在 12 个月时获得临床缓解/应答的患者坚持治疗的独立预测因素。结论 这是阿根廷第一项关于 VZD 对 CD 疗效的实际多中心研究,也是拉丁美洲最大的研究之一。在现实生活中,VDZ 是一种有效的治疗选择。在男性、炎症表型和生物制剂无效患者中观察到了更高的疗效。
{"title":"P701 Evaluation of the effectiveness of vedolizumab in patients with Crohn's disease: a multicenter real-life study from Argentina","authors":"D C Balderramo, J Etchevers, C Fuxman, P Lubrano, M Bellicoso, G Correa, J Trakal, M R Defago, J Montero, M Toro, A Novillo, M Bonardo, N Arancibia, S Motañez, S Quines, S Huernos, A Gil, R Gonzalez, S Goncalves","doi":"10.1093/ecco-jcc/jjad212.0831","DOIUrl":"https://doi.org/10.1093/ecco-jcc/jjad212.0831","url":null,"abstract":"Background Vedolizumab (VDZ) is a gut-selective integrin inhibitor used to treat Crohn's disease (CD). Most of the information regarding real-life data on response to VDZ has been published from North America and Europe cohorts and there is scarce information from Latin America related to effectiveness of VDZ in patients with CD. The aims of this study were: i) to describe the clinical characteristics of patients with CD who received VDZ, ii) to know in which biologic line VDZ was indicated, and iii) to evaluate the clinical response at one year and the persistence of treatment during follow-up. Methods A retrospective multicenter study was conducted in 18 Argentinean centers. We included CD adult patients (age ≥18y) who started VDZ between 01/06/2015 and 31/10/2023 and completed at least VDZ induction. Baseline demographic characteristics, response at 12 months (m), need for optimization, and treatment persistence during follow-up were assessed. Logistic regression was used to evaluate predictors for response at 12m and treatment persistence. Results A total of 113 CD patients (57% male), mean age 52 years (range 18-87 years) were included. Colonic (47%) and ileal (29%) were the most frequent CD involvement. Inflammatory (68%) was the most frequent phenotype compared to stenosing (23%) and fistulizing (9%). Perianal involvement was present in 9% of patients. VDZ was indicated as first-line in 61 (54%) patients, second-line 31 (27.4%) patients, third line 17 (15%) patients, and fourth-line 4 (3.5%) patients. At 12 m of follow-up, clinical remission was observed in 37 (32.7%) patients and clinical response in 56 (49.6%) patients. Eighteen (15.9%) patients presented a lack of response/primary failure. Adverse effects leading to VDZ discontinuation prior to 12m occurred in 2 (1.8%) patients. Mean follow-up time in those patients that achieved clinical remission/response at 12m was 23 (SD 15) m. Thirty-five (37.6%) of those patients required dose optimization and 69 (74.2%) persisted on treatment during follow-up. Male sex (OR 2.93, 95%CI 1.04-8.26) and inflammatory phenotype (OR 5.37, 95%CI 1.16-24.9) were independent predictors for clinical response/remission at 12m. VDZ in first-line (OR 3, 95%CI 1.05-8.52) and inflammatory phenotype (OR 2.96, 95%CI 1.07-8.22) were independent predictors for treatment persistence in those patients that achieved clinical remission/response at 12m. Conclusion This is the first real-life multicenter study on the effectiveness of VZD in CD in Argentina and one of the largest in Latin America. VDZ showed an effective therapeutic option in a real-life setting. A higher efficacy was observed in males, inflammatory phenotype and in biologic-naïve patients.","PeriodicalId":15453,"journal":{"name":"Journal of Crohn's and Colitis","volume":"163 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139559395","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}
引用次数: 0
P173 Characterization of the gut microbiota and the colonic immune response in acute severe ulcerative colitis : the multi-omics ITAC project P173 急性重度溃疡性结肠炎肠道微生物群和结肠免疫反应的特征:多组学 ITAC 项目
Pub Date : 2024-01-24 DOI: 10.1093/ecco-jcc/jjad212.0303
P Riviere, M Dallmann-Sauer, R Enaud, T Bessissow, X Treton, M Uzzan, F Poullenot, F Zerbib, D Laharie, E Schurr
Background Limited understanding exists regarding the pathogenesis of acute severe ulcerative colitis (UC). Microorganisms are proposed as potential triggers due to the resemblances to infectious colitis and the essential role played by gut microbiota in UC-related inflammation. Our aim was to identify microbiome elements and host factors associated with acute severe UC. Methods This was a prospective study across three referral centers comparing two UC patient groups: acute severe hospitalized UC (as per Truelove and Witts criteria) and non-severe UC. We analyzed gut microbiota using 16S rRNA gene sequencing and conducted single-cell RNA-Seq on rectal biopsies in a subgroup of patients to uncover cellular subtypes and pathways involved in mucosal inflammation. We utilized whole blood RNA-Seq to investigate the host pathways involved in mediating systemic inflammation. Results Forty-one patients (23 (56%) female, median (interquartile range IQR) age 42 (34 – 57) years were included: 19 with acute severe UC and 22 with non-severe UC. Compared to patients with non-severe UC, those with acute severe UC displayed distinct gut microbiota with reduced diversity, increased Proteobacteria (Escherichia/Shigella genus), and decreased Lachnospiraceae and Ruminococcaceae. In severe cases (n=4 - 13,047 cells), single-cell RNA-Seq analysis of rectal biopsies revealed distinctive patterns compared to non-severe cases (n=5 - 18,433 cells): plasmablasts showed an altered transcriptomic profile with heightened IgG expression, and there was an expanded cluster of interleukin (IL) 26 expressing T cell population. Innate immune cells exhibited a pro-inflammatory profile marked by increased expression of the IL1B gene. In blood samples, we observed no distinct differentiation of transcriptomic profiles between severe and non-severe cases. Conclusion Our multi-omics study reveals key cellular and bacterial components in acute severe UC pathogenesis. We identified Proteobacteria, especially Escherichia coli as a potential pathobiont in acute severe UC. At the colonic level, we observed an increased IgG/IgA ratio, while both T cells and innate immune cells indicated a pro-Th17 mucosal environment. Enhanced systemic inflammation in acute severe UC was not reflected by specific changes in immune circulating cells. These insights may pave the way for future research focusing on microbiome modulation, interventions targeting plasmablasts, or nuanced inhibition of the Th17/IL-23 axis in acute severe UC.
背景 对急性重度溃疡性结肠炎(UC)发病机制的了解有限。由于微生物与感染性结肠炎的相似性以及肠道微生物群在 UC 相关炎症中的重要作用,微生物被认为是潜在的诱发因素。我们的目的是确定与急性重症 UC 相关的微生物组要素和宿主因素。方法 这是一项前瞻性研究,比较了三个转诊中心的两组 UC 患者:急性重症住院 UC(根据 Truelove 和 Witts 标准)和非重症 UC。我们使用 16S rRNA 基因测序分析了肠道微生物群,并对亚组患者的直肠活检组织进行了单细胞 RNA-Seq 分析,以揭示参与粘膜炎症的细胞亚型和通路。我们利用全血 RNA-Seq 研究了参与介导全身炎症的宿主通路。结果 共纳入 41 名患者(23(56%)名女性,中位数(四分位数间距 IQR)年龄 42(34 - 57)岁):其中 19 人患有急性重症 UC,22 人患有非重症 UC。与非重度 UC 患者相比,急性重度 UC 患者表现出独特的肠道微生物群,其多样性降低,变形杆菌(埃希氏菌/志贺氏菌属)增加,拉赫诺斯皮拉菌科(Lachnospiraceae)和反刍球菌科(Ruminococcaceae)减少。与非重症病例(n=5 - 18,433 cells)相比,重症病例(n=4 - 13,047 cells)直肠活检的单细胞 RNA-Seq 分析显示出独特的模式:浆细胞显示出改变的转录组特征,IgG 表达增加,白细胞介素 (IL) 26 表达的 T 细胞群扩大。先天性免疫细胞表现出亲炎特征,IL1B 基因表达增加。在血液样本中,我们观察到重症和非重症病例的转录组没有明显的差异。结论 我们的多组学研究揭示了急性重症 UC 发病机制中的关键细胞和细菌成分。我们发现蛋白质细菌,尤其是大肠杆菌是急性重症 UC 的潜在致病菌。在结肠水平,我们观察到 IgG/IgA 比值升高,而 T 细胞和先天性免疫细胞均显示出有利于 Th17 的粘膜环境。急性重症 UC 全身炎症的加剧并没有通过免疫循环细胞的特定变化反映出来。这些见解可能会为未来的研究铺平道路,这些研究的重点是微生物组调节、针对浆细胞的干预措施或对急性重症 UC 中 Th17/IL-23 轴的细微抑制。
{"title":"P173 Characterization of the gut microbiota and the colonic immune response in acute severe ulcerative colitis : the multi-omics ITAC project","authors":"P Riviere, M Dallmann-Sauer, R Enaud, T Bessissow, X Treton, M Uzzan, F Poullenot, F Zerbib, D Laharie, E Schurr","doi":"10.1093/ecco-jcc/jjad212.0303","DOIUrl":"https://doi.org/10.1093/ecco-jcc/jjad212.0303","url":null,"abstract":"Background Limited understanding exists regarding the pathogenesis of acute severe ulcerative colitis (UC). Microorganisms are proposed as potential triggers due to the resemblances to infectious colitis and the essential role played by gut microbiota in UC-related inflammation. Our aim was to identify microbiome elements and host factors associated with acute severe UC. Methods This was a prospective study across three referral centers comparing two UC patient groups: acute severe hospitalized UC (as per Truelove and Witts criteria) and non-severe UC. We analyzed gut microbiota using 16S rRNA gene sequencing and conducted single-cell RNA-Seq on rectal biopsies in a subgroup of patients to uncover cellular subtypes and pathways involved in mucosal inflammation. We utilized whole blood RNA-Seq to investigate the host pathways involved in mediating systemic inflammation. Results Forty-one patients (23 (56%) female, median (interquartile range IQR) age 42 (34 – 57) years were included: 19 with acute severe UC and 22 with non-severe UC. Compared to patients with non-severe UC, those with acute severe UC displayed distinct gut microbiota with reduced diversity, increased Proteobacteria (Escherichia/Shigella genus), and decreased Lachnospiraceae and Ruminococcaceae. In severe cases (n=4 - 13,047 cells), single-cell RNA-Seq analysis of rectal biopsies revealed distinctive patterns compared to non-severe cases (n=5 - 18,433 cells): plasmablasts showed an altered transcriptomic profile with heightened IgG expression, and there was an expanded cluster of interleukin (IL) 26 expressing T cell population. Innate immune cells exhibited a pro-inflammatory profile marked by increased expression of the IL1B gene. In blood samples, we observed no distinct differentiation of transcriptomic profiles between severe and non-severe cases. Conclusion Our multi-omics study reveals key cellular and bacterial components in acute severe UC pathogenesis. We identified Proteobacteria, especially Escherichia coli as a potential pathobiont in acute severe UC. At the colonic level, we observed an increased IgG/IgA ratio, while both T cells and innate immune cells indicated a pro-Th17 mucosal environment. Enhanced systemic inflammation in acute severe UC was not reflected by specific changes in immune circulating cells. These insights may pave the way for future research focusing on microbiome modulation, interventions targeting plasmablasts, or nuanced inhibition of the Th17/IL-23 axis in acute severe UC.","PeriodicalId":15453,"journal":{"name":"Journal of Crohn's and Colitis","volume":"18 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139559397","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}
引用次数: 0
P196 Pregnancy and perinatal outcomes of Inflammatory Bowel Disease mothers in Taiwan - a nationwide health and welfare databases analysis P196 台湾炎症性肠病母亲的妊娠和围产期结局--全国卫生和福利数据库分析
Pub Date : 2024-01-24 DOI: 10.1093/ecco-jcc/jjad212.0326
H Y Wu, C N Chen, M T Weng, C B Huang, P N Tsao, S C Wei
Background The incidence of inflammatory bowel disease (IBD), including ulcerative colitis (UC) and Crohn's disease (CD), has exhibited a consistent rise in recent years across Asia and Taiwan. Existing literature suggests that women with IBD may experience suboptimal perinatal outcomes. However, the specific relationship between IBD in pregnant Taiwanese women and the subsequent health outcomes of their newborns remains unclear. This study aims to meticulously examine the association between maternal IBD and perinatal outcomes using extensive and representative health databases in Taiwan. Methods We utilized four large national representative health and welfare databases: 1) Maternal and Child Health Database, 2) Birth Certificate Database, 3) National Health Insurance Database, and 4) Catastrophic Illness Database. Data spanning from 2004 to 2018 were linked using encrypted personal IDs to establish a birth cohort during this period. Mothers identified with a registered IBD diagnosis (CD: ICD 9=555, ICD 10= K50.00-K50.919; UC: ICD 9=556.0-556.6 and 556.8-556.9, ICD 10= K51.00-K51.919) in the Catastrophic Illness Database were defined as cases, with a comparison group of healthy pregnant women matched 1:10 in the same birth year and maternal age. Statistical analyses were done by chi-square tests and conditional logistic regression models. Results Among the 3,059,647 births between 2004 and 2018, 146 newborns (126 UC; 20 CD) were born by mothers with a registered IBD diagnosis (Figure 1). No statistically significant differences were observed in stillbirth, preterm birth, cesarean delivery, low birth weight, small-for-gestational-age (SGA), large-for-gestational-age (LGA), and low Apgar scores when compared to the 1,460 matched healthy mothers (Table 1). The only significant difference was observed in the incidence of hypertensive disorders of pregnancy, with a lower prevalence in the IBD group compared to the control group (4.1% vs. 13.6%; p=0.001). Multivariate conditional logistic regression analysis disclosed no significant differences in the aforementioned perinatal outcomes. Subgroup analysis demonstrated that no difference was noted between the CD and UC groups. Conclusion Through this comprehensive analysis of long-term health and welfare databases in Taiwan, we found comparable perinatal outcomes between women with IBD and matched healthy women. The birth outcomes are also improved compared with previous studies. This may be associated with advancements in medical management for IBD in recent years. Further research is needed to explore the long-term neurodevelopmental outcomes of these newborns.
背景 炎症性肠病(IBD),包括溃疡性结肠炎(UC)和克罗恩病(CD),近年来在亚洲和台湾的发病率持续上升。现有文献表明,患有 IBD 的妇女可能会经历不理想的围产期结局。然而,台湾孕妇的 IBD 与其新生儿随后的健康结果之间的具体关系仍不清楚。本研究旨在利用台湾广泛且具有代表性的健康数据库,细致研究孕产妇 IBD 与围产期结局之间的关系。方法 我们利用了四个具有代表性的大型国家卫生和福利数据库:1)母婴健康数据库;2)出生证明数据库;3)国民健康保险数据库;4)重大疾病数据库。使用加密的个人 ID 将 2004 年至 2018 年的数据连接起来,以建立这一时期的出生队列。母亲被确认患有已登记的 IBD 诊断(CD:ICD 9=555,ICD 10= K50.00-K50.919;UC:ICD 9=556.0):在灾难性疾病数据库中被确认患有登记的 IBD 诊断(CD:ICD 9=555;ICD 10=K50.00-K50.919;UC:ICD 9=556.0-556.6 和 556.8-556.9;ICD 10=K51.00-K51.919)的母亲被定义为病例,并与同一出生年份和母亲年龄 1:10 匹配的健康孕妇组成对比组。统计分析采用卡方检验和条件逻辑回归模型。结果 在 2004 年至 2018 年间出生的 3 059 647 名新生儿中,有 146 名新生儿(126 名 UC;20 名 CD)的母亲曾登记过 IBD 诊断(图 1)。与 1,460 名匹配的健康母亲相比,在死产、早产、剖宫产、低出生体重、小于胎龄(SGA)、大于胎龄(LGA)和低 Apgar 评分方面未观察到有统计学意义的差异(表 1)。唯一的显著差异是妊娠高血压疾病的发病率,与对照组相比,IBD 组的发病率较低(4.1% 对 13.6%;P=0.001)。多变量条件逻辑回归分析显示,上述围产期结果无显著差异。分组分析表明,CD 组和 UC 组之间没有差异。结论 通过对台湾长期健康和福利数据库的综合分析,我们发现患有 IBD 的妇女与匹配的健康妇女的围产期结果相当。与之前的研究相比,出生结果也有所改善。这可能与近年来 IBD 医学治疗的进步有关。我们需要进一步研究这些新生儿的长期神经发育结果。
{"title":"P196 Pregnancy and perinatal outcomes of Inflammatory Bowel Disease mothers in Taiwan - a nationwide health and welfare databases analysis","authors":"H Y Wu, C N Chen, M T Weng, C B Huang, P N Tsao, S C Wei","doi":"10.1093/ecco-jcc/jjad212.0326","DOIUrl":"https://doi.org/10.1093/ecco-jcc/jjad212.0326","url":null,"abstract":"Background The incidence of inflammatory bowel disease (IBD), including ulcerative colitis (UC) and Crohn's disease (CD), has exhibited a consistent rise in recent years across Asia and Taiwan. Existing literature suggests that women with IBD may experience suboptimal perinatal outcomes. However, the specific relationship between IBD in pregnant Taiwanese women and the subsequent health outcomes of their newborns remains unclear. This study aims to meticulously examine the association between maternal IBD and perinatal outcomes using extensive and representative health databases in Taiwan. Methods We utilized four large national representative health and welfare databases: 1) Maternal and Child Health Database, 2) Birth Certificate Database, 3) National Health Insurance Database, and 4) Catastrophic Illness Database. Data spanning from 2004 to 2018 were linked using encrypted personal IDs to establish a birth cohort during this period. Mothers identified with a registered IBD diagnosis (CD: ICD 9=555, ICD 10= K50.00-K50.919; UC: ICD 9=556.0-556.6 and 556.8-556.9, ICD 10= K51.00-K51.919) in the Catastrophic Illness Database were defined as cases, with a comparison group of healthy pregnant women matched 1:10 in the same birth year and maternal age. Statistical analyses were done by chi-square tests and conditional logistic regression models. Results Among the 3,059,647 births between 2004 and 2018, 146 newborns (126 UC; 20 CD) were born by mothers with a registered IBD diagnosis (Figure 1). No statistically significant differences were observed in stillbirth, preterm birth, cesarean delivery, low birth weight, small-for-gestational-age (SGA), large-for-gestational-age (LGA), and low Apgar scores when compared to the 1,460 matched healthy mothers (Table 1). The only significant difference was observed in the incidence of hypertensive disorders of pregnancy, with a lower prevalence in the IBD group compared to the control group (4.1% vs. 13.6%; p=0.001). Multivariate conditional logistic regression analysis disclosed no significant differences in the aforementioned perinatal outcomes. Subgroup analysis demonstrated that no difference was noted between the CD and UC groups. Conclusion Through this comprehensive analysis of long-term health and welfare databases in Taiwan, we found comparable perinatal outcomes between women with IBD and matched healthy women. The birth outcomes are also improved compared with previous studies. This may be associated with advancements in medical management for IBD in recent years. Further research is needed to explore the long-term neurodevelopmental outcomes of these newborns.","PeriodicalId":15453,"journal":{"name":"Journal of Crohn's and Colitis","volume":"65 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139559421","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}
引用次数: 0
P114 Role of NLRX1 Agonist NX-13 in Reducing Visceral Hypersensitivity in Preclinical Gastrointestinal Inflammation P114 NLRX1 激动剂 NX-13 在降低临床前胃肠道炎症的内脏超敏反应中的作用
Pub Date : 2024-01-24 DOI: 10.1093/ecco-jcc/jjad212.0244
B Verstockt, S Vermeire, L Peyrin-Biroulet, A Yarur, R Panaccione, R Mosig, F Cataldi, S Danese
Background NLRX1 activation reduces inflammation by decreasing oxidative stress and altering cellular metabolism within multiple cell types implicated in ulcerative colitis (UC). Colitis animal models demonstrated reduced disease severity and a phase 1b clinical trial showed signs of rapid symptom and endoscopic improvement in patients with active UC.1, 2 Abdominal pain driven by visceral hypersensitivity may persist in patients even after inflammation has resolved, negatively affecting their quality of life.3, 4 Therapeutic agents which address inflammation, epithelial healing, and visceral hypersensitivity concurrently may provide greater symptomatic relief and improved quality of life as many patients, even in remission, still complain of abdominal pain. We here describe the effects of oral NX-13 in a rat model of visceral hypersensitivity. Methods Rats (n=8) were dosed daily for a period of 3 days with NX-13 or vehicle. Under anesthesia, electrodes were positioned to monitor oblique abdominal muscle contraction and a colonic balloon catheter was inserted intra-anally. Visceral pain was assessed at baseline and 3 h post lipopolysaccharide injection (1 mg/kg subcutaneous) through measuring of visceromotor response (VMR) via electromyogram (EMG) recording and visual assessment of abdominal withdrawal reflex (AWR). Data are represented as median (IQR) and statistical significance determined by non-parametric Mann-Whitney U test. Results Compared to the vehicle control, oral NX-13 delayed the onset of muscle contraction in response to colonic distension in LPS-treated rats. Further, NX-13 treated rats experienced reduced contraction intensity and reduced sustained abdominal muscle contraction period compared to the vehicle control. Specifically, NX-13 decreased the number of AWR during colonic expansion compared to the control group (p=0.01, Fig1A). Moreover, NX-13 desensitized the VMR response by numerically increasing the minimum volume of the colonic distension balloon required to induce significant VMR. The mean minimum volume of water injected required to induce significant VMR increased 23%, from 650 μL in the vehicle group to 800 μL in the NX-13 treated rats (p=0.16, Fig1B). Lastly, NX-13 visually reduced the maximum abdominal EMG amplitude during colonic distention (p=0.19, Fig1C). Conclusion Adequate management of persistent pain in IBD patients with or without active bowel inflammation remains an unmet need in the treatment of IBD. The potential for NX-13 to specifically reduce visceral hypersensitivity and abdominal pain will be evaluated further in the ongoing phase 2 human NEXUS trial in patients with UC. 1Leber et al. J Immunol 203(12) 2Peyrin-Biroulet et al. JCC (17)Supp 3Abreu et al. JCC (14)Supp 4Wils et al. J Clin Med 11(15)
背景 NLRX1 激活可降低氧化应激,改变与溃疡性结肠炎(UC)有关的多种细胞类型的细胞代谢,从而减轻炎症反应。结肠炎动物模型显示疾病严重程度有所减轻,一项 1b 期临床试验显示活动性 UC 患者的症状和内镜检查有迅速改善的迹象。我们在此描述口服 NX-13 对大鼠内脏过敏症模型的影响。方法 每天给大鼠(n=8)注射 NX-13 或药物 3 天。在麻醉状态下,放置电极以监测腹斜肌收缩,并在肛门内插入结肠球囊导管。在基线和注射脂多糖(1 毫克/千克皮下注射)后 3 小时,通过肌电图(EMG)记录测量内脏运动反应(VMR)和目测腹部退缩反射(AWR)来评估内脏疼痛。数据以中位数(IQR)表示,统计意义通过非参数 Mann-Whitney U 检验确定。结果 与药物对照组相比,口服 NX-13 可延缓 LPS 治疗大鼠结肠膨胀时肌肉收缩的开始时间。此外,与药物对照组相比,NX-13 治疗大鼠的收缩强度降低,腹肌持续收缩时间缩短。具体而言,与对照组相比,NX-13 可减少结肠扩张过程中 AWR 的数量(P=0.01,图 1A)。此外,NX-13 还通过在数值上增加结肠扩张球囊诱导显著 VMR 所需的最小体积,使 VMR 反应脱敏。诱导显著 VMR 所需的平均最小注水量增加了 23%,从车辆组的 650 μL 增加到 NX-13 治疗组的 800 μL(p=0.16,图 1B)。最后,NX-13 明显降低了结肠膨胀时腹部肌电图的最大振幅(P=0.19,图 1C)。结论 无论是否存在活动性肠炎,对 IBD 患者的持续性疼痛进行适当治疗仍是治疗 IBD 的一个未满足需求。目前正在进行的针对 UC 患者的 NEXUS 人类 2 期试验将进一步评估 NX-13 减轻内脏超敏反应和腹痛的潜力。1Leber et al. J Immunol 203(12) 2Peyrin-Biroulet et al. JCC (17)Supp 3Abreu et al. JCC (14)Supp 4Wils et al. J Clin Med 11(15)
{"title":"P114 Role of NLRX1 Agonist NX-13 in Reducing Visceral Hypersensitivity in Preclinical Gastrointestinal Inflammation","authors":"B Verstockt, S Vermeire, L Peyrin-Biroulet, A Yarur, R Panaccione, R Mosig, F Cataldi, S Danese","doi":"10.1093/ecco-jcc/jjad212.0244","DOIUrl":"https://doi.org/10.1093/ecco-jcc/jjad212.0244","url":null,"abstract":"Background NLRX1 activation reduces inflammation by decreasing oxidative stress and altering cellular metabolism within multiple cell types implicated in ulcerative colitis (UC). Colitis animal models demonstrated reduced disease severity and a phase 1b clinical trial showed signs of rapid symptom and endoscopic improvement in patients with active UC.1, 2 Abdominal pain driven by visceral hypersensitivity may persist in patients even after inflammation has resolved, negatively affecting their quality of life.3, 4 Therapeutic agents which address inflammation, epithelial healing, and visceral hypersensitivity concurrently may provide greater symptomatic relief and improved quality of life as many patients, even in remission, still complain of abdominal pain. We here describe the effects of oral NX-13 in a rat model of visceral hypersensitivity. Methods Rats (n=8) were dosed daily for a period of 3 days with NX-13 or vehicle. Under anesthesia, electrodes were positioned to monitor oblique abdominal muscle contraction and a colonic balloon catheter was inserted intra-anally. Visceral pain was assessed at baseline and 3 h post lipopolysaccharide injection (1 mg/kg subcutaneous) through measuring of visceromotor response (VMR) via electromyogram (EMG) recording and visual assessment of abdominal withdrawal reflex (AWR). Data are represented as median (IQR) and statistical significance determined by non-parametric Mann-Whitney U test. Results Compared to the vehicle control, oral NX-13 delayed the onset of muscle contraction in response to colonic distension in LPS-treated rats. Further, NX-13 treated rats experienced reduced contraction intensity and reduced sustained abdominal muscle contraction period compared to the vehicle control. Specifically, NX-13 decreased the number of AWR during colonic expansion compared to the control group (p=0.01, Fig1A). Moreover, NX-13 desensitized the VMR response by numerically increasing the minimum volume of the colonic distension balloon required to induce significant VMR. The mean minimum volume of water injected required to induce significant VMR increased 23%, from 650 μL in the vehicle group to 800 μL in the NX-13 treated rats (p=0.16, Fig1B). Lastly, NX-13 visually reduced the maximum abdominal EMG amplitude during colonic distention (p=0.19, Fig1C). Conclusion Adequate management of persistent pain in IBD patients with or without active bowel inflammation remains an unmet need in the treatment of IBD. The potential for NX-13 to specifically reduce visceral hypersensitivity and abdominal pain will be evaluated further in the ongoing phase 2 human NEXUS trial in patients with UC. 1Leber et al. J Immunol 203(12) 2Peyrin-Biroulet et al. JCC (17)Supp 3Abreu et al. JCC (14)Supp 4Wils et al. J Clin Med 11(15)","PeriodicalId":15453,"journal":{"name":"Journal of Crohn's and Colitis","volume":"163 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139559425","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}
引用次数: 0
P697 Short- and long-term outcomes following biologic use before non-conventional stricureplasty for Crohn’s Jejunoileitis P697 非传统狭窄成形术治疗克罗恩氏空肠炎前使用生物制剂的短期和长期疗效
Pub Date : 2024-01-24 DOI: 10.1093/ecco-jcc/jjad212.0827
M Belkovsky, B Cohen, J Sommovilla, T Hull, S Holubar
Background Non-conventional strictureplasties, specifically the Finney and Michelassi technique, are bowel-preserving surgical techniques for diffuse jejunoileal Crohn’s Disease (CD). We investigated the association of biologic use during non-conventional strictureplasty for Crohn's jejunoileitis and its short- and long-term outcomes. Methods We conducted a retrospective review of all patients with CD who underwent non-conventional strictureplasty at our centre, e.g., side-to-side antiperistaltic strictureplasty (SSAS) according to the Finney or modified Finney technique, or side-to-side isoperistaltic (SSIS) according to the Michelassi or modified Michelassi techniques from January 2000 to October 2022. Patients were categorized into BIO and NoBIO groups based on their uninterrupted use of biologics until the moment of surgery. Our outcomes of interest were: (a)30-day complications; and (b)surgical recurrence. Statistical analysis was performed using R version 4.3.1. Results A total of 71 patients underwent non-conventional strictureplasty: 80 SSAS and 14 SSIS. Group 1 had 17 patients in which 15 SSAS and 3 SSIS were performed. Group 2 had 54 patients in which 65 SSAS and 11 SSIS were performed. Most patients also underwent concurrent Heineke-Mikulicz strictureplasty in 49 patients (69%) and concurrent small bowel resection in 53 patients (74.6%). The patients in the BIO and NoBIO groups had similar baseline characteristics (Table 1). No differences were observed in perioperative outcomes (Table 2). No difference was observed when comparing surgical recurrence rates, but a longer median time to recurrence was observed in the BIO group (4.7 vs. 4.4 years, p=0.004). Conclusion Biologic use at the time of non-conventional strictureplasty for diffuse jejunoileal Crohn’s disease is safe and is associated with a longer median time to recurrence.
背景非常规狭窄成形术,特别是 Finney 和 Michelassi 技术,是治疗弥漫性空肠克罗恩病(CD)的保肠外科技术。我们研究了在治疗克罗恩空肠炎的非常规狭窄成形术中使用生物制剂与短期和长期疗效的关系。方法 我们对 2000 年 1 月至 2022 年 10 月期间在本中心接受非常规狭窄成形术的所有 CD 患者进行了回顾性研究,例如根据 Finney 或改良 Finney 技术进行的侧对侧抗蠕动狭窄成形术(SSAS),或根据 Michelassi 或改良 Michelassi 技术进行的侧对侧等蠕动狭窄成形术(SSIS)。根据患者在手术前是否连续使用生物制剂,将其分为 BIO 组和 NoBIO 组。我们关注的结果是(a) 30 天并发症;(b) 手术复发。统计分析使用 R 4.3.1 版本进行。结果 共有 71 名患者接受了非常规狭窄成形术:80 名 SSAS 和 14 名 SSIS。第一组有 17 名患者,其中 15 名接受了 SSAS,3 名接受了 SSIS。第二组有 54 名患者,其中 65 名接受了 SSAS,11 名接受了 SSIS。大多数患者还同时接受了 Heineke-Mikulicz 狭窄成形术,49 名患者(69%)同时接受了小肠切除术,53 名患者(74.6%)同时接受了小肠切除术。BIO 组和 NoBIO 组患者的基线特征相似(表 1)。围手术期结果无差异(表 2)。在比较手术复发率时未观察到差异,但观察到 BIO 组的中位复发时间更长(4.7 年对 4.4 年,P=0.004)。结论 在对弥漫性空肠克罗恩病进行非常规狭窄成形术时使用生物制剂是安全的,而且中位复发时间更长。
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Journal of Crohn's and Colitis
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