Citations

Background: Video capsule retention is a complication that can have serious consequences in patients with Crohn’s disease (CD). The patency capsule was developed to detect small bowel strictures. The usefulness of patency capsules in patients who do not have evidence of small bowel disease on imaging is uncertain. Study: This is a multicenter retrospective study of patients with suspected or confirmed CD who underwent a patency capsule study between January 2017 and February 2023. We excluded patients who were lost to follow-up or did not have computerized tomography or magnetic resonance imaging of the abdomen within 180 days before or after the patency capsule study. Results: A total of 105 patients met the inclusion criteria with 69% having a confirmed CD diagnosis. The majority of patients (95/105; 90.5%) passed their patency capsule. A total of 91 patients had their subsequent video capsule endoscopy (VCE), with 96.7% (88/91) successfully passing the capsule. Out of those who passed the VCE, 2 patients had patency capsule retention. Both had normal small bowel imaging. Meanwhile, the 3 patients who had VCE retention had evidence of small bowel disease in their imaging scans. The presence of abnormal small bowel wall thickening or stricture on imaging had a statistically significant association with VCE retention (P=0.02). Conclusion: Our study demonstrated a statistically significant association between small bowel disease on imaging and retention of both patency capsules and VCE. Small bowel imaging in patients with suspected or documented CD had a negative predictive value of 100% for VCE retention.

Background: Targeting interleukin-23 (IL-23) represents a significant therapeutic avenue for treating ulcerative colitis (UC). Study Question: What are the effectiveness and safety of selective inhibitors targeting IL-23p19 and IL-12/23p40 in individuals with moderate-to-severe UC? Data Sources: MEDLINE, Embase, Scopus, and Cochrane databases. Study Design: A systematic search of MEDLINE, Embase, Scopus, and Cochrane databases till January 15, 2024, to identify randomized controlled trials comparing IL-23p19 and IL-12/23p40 inhibitors against placebo or active comparators in UC patients. The primary outcome was clinical remission, with secondary outcomes including clinical response, endoscopic remission, and safety profiles during induction and maintenance phases. Using a fixed-effect model, we pooled dichotomous data with risk ratio (RR) and 95% confidence interval (CI) for analysis. Results: In 5 trials involving 1120 patients with moderate to severe UC, targeting IL-23 showed significant superiority in inducing clinical remission [RR: 2.08, 95% CI, (1.66–2.61)], endoscopic remission [RR: 1.73, 95% CI, (1.39–2.16)], and histologic remission [RR: 1.88, 95% CI, (1.34–2.64)]. Additionally, individuals treated with IL-12/23p40 or IL-23p19 antagonists maintained clinical remission [RR: 1.85, 95% CI, (1.53–2.23)], endoscopic remission [RR: 2.03, 95% CI, (1.60–2.57)], and histologic remission [RR: 1.66, 95% CI, (1.11–2.48)]. Targeting IL-23 was linked with a reduced risk of any adverse events (AE) during both induction [RR: 0.94, 95% CI, (0.86–1.02)] and maintenance phases [RR: 0.93, 95% CI, (0.86–0.99)], any serious AE during the induction phase [RR: 0.53, 95% CI, (0.36–0.78)], and withdrawal due to AEs compared to patients receiving placebo during induction [RR: 0.24, 95% CI (0.14, 0.43)]. Conclusion: Targeting IL-23 demonstrates efficacy and safety for inducing and maintaining clinical and endoscopic remission in moderate-to-severe UC patients.

Patients with inflammatory bowel diseases (IBDs) may require solid organ transplants (SOTs) for multiple reasons, making its prevalence slightly higher than the general population. Although immunosuppression used in SOT may help control IBD-related inflammation, many patients still require additional immunosuppressive medications. We aim to assess the effectiveness and safety of the combination of SOT-related immunosuppression and IBD medications in patients with liver, kidney, or heart transplantation. We conducted a clinical review using PubMed, Scopus, MEDLINE, Embase, and Google Scholar databases for our search. We included data from systematic reviews, meta-analyses, case series, and case reports to assess the safety, effectiveness, and side effect profile of immunomodulators, biologic therapies, and small molecules in patients with SOT. Our review encompassed 25 liver, 6 kidney, and 1 heart transplant studies involving patients with IBD. Common liver transplant immunosuppressants included tacrolimus, mycophenolate mofetil, cyclosporine, and steroids. Anti-TNF agents, widely used in all SOT types, showed no significant safety issues, though infections and malignancies were noted. Patients with liver transplant on tacrolimus responded well to anti-integrins and ustekinumab without major complications. For kidney transplants, cyclosporine and tacrolimus were prevalent, and their combination with anti-TNF or ustekinumab was generally safe, with rare reports of malignancy or infection. Hence, the use of anti-TNF, anti-integrin agents, and ustekinumab appears to be safe in patients with SOT, regardless of their transplant related immunosuppression. More studies are needed in patients with kidney and heart transplants and in patients treated with small molecules for their IBD.

Background: While bariatric surgery may reduce obesity-associated inflammation, alterations in gut microbiome and nutrition could impact inflammatory bowel disease (IBD) risk. This study aimed to investigate the association between bariatric surgery and new onset IBD. Methods: A systematic review and meta-analysis of observational studies was conducted from inception to 31 January 2024. Risk estimates were pooled using a DerSimonian and Laird random-effects model, and adjusted hazards ratios (HRs) with corresponding 95% confidence interval (CI) were reported. The modified Newcastle-Ottawa Quality Assessment Scale (NOS) was used to examine the risk of bias. Results: Of 98 articles screened, four studies comprising 4,727,600 participants were included in the systematic review and two studies in the meta-analysis. Included studies had high quality and low risk of bias according to NOS. The pooled analysis revealed a significant risk of new onset IBD (HR: 1.28, 95% CI: 1.04–1.53, I2 = 74.9%), particularly Crohn’s disease (HR: 1.75, 1.59–1.92, I2 = 0), following bariatric surgery, but no significant risk of ulcerative colitis (HR: 0.93, 0.75–1.11, I2 = 11.5%). Conclusions: This meta-analysis found that bariatric surgery was associated with a higher risk of developing Crohn’s disease. Patients should be counseled on IBD risk pre-surgery, and symptomatic patients should be evaluated post-surgery to enable early diagnosis and management.

INTRODUCTION: The risk of small bowel cancer (SBC) in inflammatory bowel disease (IBD) is unclear. We compared the recent trends of SBC in patients with IBD and stratified them based on disease type. METHODS: We used TriNetX database to access the electronic health records for patients with IBD, ulcerative colitis (UC), and Crohn's disease (CD) from 2005 to 2024. We used propensity score matching to compare the rate of SBC in patients with IBD, UC, and CD compared with the general population. We adjusted for all known confounders. RESULTS: From 2010 to 2024, there was an increasing trend of diagnosed SBC in patients with IBD, with an average annual percentage change of 3.2% ( P < 0.001). Patients with CD (adjusted hazard ratio = 4.83; 95% confidence interval: 3.58–6.53; P < 0.0001) had an increased risk of SBC compared with the general population without IBD, as well as patients with UC (adjusted hazard ratio = 2.28; 95% confidence interval: 1.65–3.14; P < 0.0001). The ileum was the most common location across all subgroups. DISCUSSION: Both patients with CD and, interestingly, UC had an elevated risk of developing SBC compared with the general population.

Abstract Background Metformin exerts anti-inflammatory properties through a positive effect on oxidative stress, gut barrier integrity, and the gut microbiota. Our aim was to evaluate the influence of metformin on inflammatory bowel disease (IBD) outcomes in patients with type 2 diabetes mellitus (T2DM). Methods We conducted a retrospective cohort study using the TriNetX database in patients with IBD and T2DM who initiated metformin vs oral hypoglycemics or insulin (control cohort) between August 31, 2002, and August 31, 2022. One-to-one propensity score matching was performed. Primary outcomes were need for intravenous (IV) steroid use or IBD-related surgery within 1, 2, and 3 years after metformin initiation. Results Our cohorts included 1323 patients with ulcerative colitis (UC) (mean age 58.7 ± 12.2 years, 50.1% female, 77.3% White) and 1278 patients with Crohn’s disease (CD) (mean age 56.3 ± 12.6 years, 58.2% female, 76.5% White). At 1 year, patients with UC and CD were less likely to require IV steroids (UC: adjusted odds ratio [aOR], 0.45; 95% confidence interval [CI], 0.34-0.59; P &lt; .01; CD: aOR, 0.67; 95% CI, 0.53-0.85; P &lt; .01). The decreased need for IV steroids persisted in all metformin groups at 2 and 3 years. Patients with CD were at a lower risk for IBD-related surgery at year 1 (aOR, 0.5; 95% CI, 0.31-0.81; P &lt; .01), and this finding persisted at 3 years (aOR, 0.62; 95% CI, 0.43-0.89; P &lt; .01). Metformin did not affect risk for surgery in patients with UC. Conclusions Patients with IBD and T2DM on metformin had a decreased likelihood of worse IBD outcomes.

Summary Background Glucagon‐like peptide‐1 receptor agonists (GLP‐1RA) show anti‐inflammatory properties. Aim To evaluate their clinical impact on inflammatory bowel disease (IBD) outcomes. Methods Retrospective cohort study utilising the TriNetX database comparing IBD‐specific outcomes in patients with ulcerative colitis (UC) or Crohn's disease (CD) and type 2 diabetes mellitus (T2DM) on GLP‐1RA compared to oral hypoglycaemic agents. The primary outcome was hospitalisation requiring intravenous steroids and IBD‐related surgery within 3 years. We performed 1:1 propensity score matching (PSM) for demographics, co‐morbid conditions, BMI, laboratory values, HbA1c, and IBD medications including steroids. Results We identified 1130 patients in the UC GLP‐1RA cohort (mean age: 58.9 ± 11.6 years, 56.3% female, 70.2% White, 57.2% with obesity) and 1140 patients in the CD GLP‐1RA cohort (mean age: 56.7 ± 11.5, 61.9% female, 73.6% White, 56.2% with obesity). After PSM, there was no difference in the risk of intravenous steroid use (aHR: 1.21, 95% CI: 0.92–1.59) but a lower risk of colectomy (aHR: 0.37, 95% CI: 0.14–0.97) between the UC GLP‐1RA and control cohort. There was no difference in the risk of intravenous steroid use (aHR: 1.04, 95% CI: 0.80–1.34) but a lower risk of surgery (aHR: 0.55, 95% CI: 0.36–0.84) between the CD GLP‐1RA and CD control cohort. There was no difference in the risk of oral steroid use or advanced therapy initiation in the UC and CD GLP‐1RA than control cohorts. Conclusions We found an association between lower risk of IBD‐related surgery and GLP‐1RA use for T2DM in patients with UC or CD.

Abstract Introduction Pouchitis is the most common complication in patients with ileal pouch-anal anastomosis (IPAA), which can develop in up to 66% of patients. There is limited data on the effect of orthoptic liver transplantation (OLT) on the risk of developing pouchitis. We aimed to objectively assess whether OLT itself significantly modifies the risk of developing pouchitis in patients with overlap PSC and inflammatory bowel disease (IBD). Method We searched Medline, Scopus, and Embase databases from inception through September 2023 for studies that describe the outcomes of IPAA in patients with PSC and IBD who also have a history of OLT. Pooled proportions, Odds Ratio (OR), and 95% confidence intervals (CI) for data were calculated utilizing a random effects model. Using the Freeman-Turkey double arcsine transformation (FTT) method, the pooled weight-adjusted estimate of event rates for clinical outcomes in each group was also calculated. Heterogeneity between studies was assessed using the Cochrane Q statistic (I2). Results Seven studies with a total of 291 patients with a history of PSC, IBD, and OLT were identified. The pooled overall risk of pouchitis in PSC/IBD patients with a history of OLT was 65% (95% CI: 0.57–0.72), with no heterogeneity observed in the analysis (I2 = 0%). In a subgroup analysis of patients who had IPAA followed by OLT, 3 studies with 28 patients were included; the pooled risk of pouchitis after IPAA and OLT was 83% (95% CI: 0.71–0.94; I2 = 0%), which was significantly higher (P &lt; .001) than the OLT followed by IPAA group (59%; 95 CI: 0.48–0.71; I2 = 0%). There was no difference in the risk of pouchitis between OLT and non-OLT groups (OR = 1.36; 95% CI: 0.37–5.0). Conclusions Our meta-analysis revelaed that pouchitis is common in patients who underwent OLT for PSC, especially in those who had IPAA before the OLT. OLT before IPAA may reduce the risk of pouchitis. Further larger studies are warranted to reproduce this and investigate the reason behind this difference.

Abstract Background Colorectal surgery in patients with inflammatory bowel disease (IBD) and cirrhosis has increased morbidity, which may preclude surgery. Preoperative transjugular intrahepatic portosystemic shunt (TIPS) is postulated to reduce surgical risk. In this retrospective single-center study, we characterized perioperative outcomes in patients with IBD and cirrhosis who underwent preoperative TIPS. Methods We identified patients with IBD and cirrhosis who had undergone preoperative TIPS for portal decompression between 2010 and 2023. All other indications for TIPS led to patient exclusion. Demographic and medical data were collected, including portal pressure measurements. Primary outcome of interest was perioperative outcomes. Results Ten patients met the inclusion criteria. The most common surgical indications were dysplasia (50%) and refractory IBD (50%). TIPS was performed at a median of 47 days (IQR 34–80) before surgery, with reduction in portal pressures (22.5 vs. 18.5 mmHg, P &lt; .01) and portosystemic gradient (12.5 vs. 5.5 mmHg, P &lt; .01). Perioperative complications occurred in 80% of patients, including surgical site bleeding (30%), wound dehiscence (10%), systemic infection (30%), liver function elevation (50%), and coagulopathy (50%). No patients required re-operation, with median length of stay being 7 days (IQR 5.5–9.3). The 30-day readmission rate was 40%, most commonly for infection (75%), with 2 patients having intra-abdominal abscesses and 1 patient with concern for bowel ischemia. Ninety-day and one-year survival was 100% and 90%, respectively. Patients with primary sclerosing cholangitis (PSC)-cirrhosis were noted to have higher perioperative morbidity and a 30-day readmission rate. Conclusions In patients with IBD and cirrhosis, preoperative TIPS facilitated successful surgical intervention despite heightened risk. Nevertheless, significant complications were noted, in particular for patients with PSC-cirrhosis.