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- Kochar, Bharati, et al.
(author)
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Prevalence and Implications of Frailty in Older Adults With Incident Inflammatory Bowel Diseases : A Nationwide Cohort Study
- 2022
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In: Clinical Gastroenterology and Hepatology. - : Elsevier. - 1542-3565 .- 1542-7714. ; 20:10, s. 2358-2365
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Journal article (peer-reviewed)abstract
- Background and Aims: We aimed to compare the risk of frailty in older adults with incident inflammatory bowel disease (IBD) and matched non-IBD comparators and assess the association between frailty and future hospitalizations and mortality.Methods: In a cohort of patients with incident IBD ≥60 years of age from 2007 to 2016 in Sweden identified using nationwide registers, we defined frailty using Hospital Frailty Risk Score. We compared prevalence of frailty in patients with IBD with age, sex, place of residency– and calendar year–matched population comparators. In the IBD cohort, we used Cox proportional hazards modeling to examine the associations between frailty risk and hospitalizations or mortality.Results: We identified 10,590 patients with IBD, 52% female with a mean age of 71 years of age, matched to 103,398 population-based comparators. Among patients with IBD, 39% had no risk for frailty, 49% had low risk for frailty, and 12% had higher risk for frailty. Mean Hospital Frailty Risk Score was 1.9 in IBD and 0.9 in matched comparators (P < .01). Older adults with IBD at higher risk for frailty had a 20% greater risk for mortality at 3 years compared with those who were not frail. Compared with nonfrail older patients with IBD, patients at higher risk for frailty had increased mortality (hazard ratio [HR], 3.22, 95% confidence interval [CI], 2.86–3.61), all-cause hospitalization (HR, 2.42; 95% CI, 2.24–2.61), and IBD-related hospitalization (HR, 1.50; 95% CI, 1.35–1.66). These associations were not attenuated after adjusting for comorbidities.Conclusions: Frailty is more prevalent in older adults with IBD than in matched comparators. Among older patients with IBD, frailty is associated with increased risk for hospitalizations and mortality.
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- Mouratidou, N., et al.
(author)
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Identification of Childhood-Onset Inflammatory Bowel Disease in Swedish Healthcare Registers: A Validation Study
- 2022
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In: CLINICAL EPIDEMIOLOGY. - 1179-1349. ; 14, s. 591-600
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Journal article (peer-reviewed)abstract
- Purpose: The Swedish National Patient Register (NPR) is often used in observational studies of childhood-onset inflammatory bowel disease (IBD) (<18 years of age) and its subtypes, but the validity of previously used register-based algorithms for capturing childhood-onset IBD has never been examined. Methods: We identified a random sample of 233 individuals with at least two first ever diagnostic listings of IBD in the NPR between 2002 and 2014. We calculated the test characteristics for different register-based definitions of IBD and its subtypes using the Copenhagen criteria and the revised Porto criteria as gold standard, both based on medical chart review. We made assumptions of the occurrence of undiagnosed IBD in the general child population based on available literature. Results: Out of 233 individuals with at least two diagnostic listings of IBD, 216 had true IBD, resulting in a positive predictive value (PPV) = 93% (95% confidence interval (CI) 89-96), sensitivity = 88% (95% CI 83-92), specificity = 100% (95% CI 100-100), and negative predictive value (NPV) = 100% (95% CI 100-100). The PPV for the NPR-based definitions of IBD subtypes at time of first IBD diagnosis and at end of follow-up were 78% (95% CI 69-86) and 88% (95% CI 80-94), respectively, for Crohn's disease and 74% (95% CI 63-83) and 71% (95% CI 60-80), respectively, for ulcerative colitis. Conclusion: The validity of register-based definitions of childhood-onset IBD in the Swedish NPR is high and can be used to identify patients in observational research.
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- Nyberg, L., et al.
(author)
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Observational study of tofacitinib in ulcerative colitis in Sweden (ODEN) - Interim analysis of clinical and biomarker data
- 2024
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In: Journal of Crohn's & Colitis. - : Oxford University Press. - 1873-9946 .- 1876-4479. ; 18:Suppl. 1, s. I1703-I1704
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Journal article (other academic/artistic)abstract
- Background: Tofacitinib is a Janus kinase (JAK) inhibitor for the treatment of moderate to severe ulcerative colitis (UC). ODEN is an ongoing Swedish multicentre prospective observational study regarding effectiveness of tofacitinib in UC. In this interim analysis, we aimed to assess the clinical outcomes during the first 16 weeks.Methods: Patients with active UC were enrolled 2020-2023 when starting tofacitinib as per clinical indication. Inclusion criteria were fecal (F) calprotectin >250 mg/kg or Mayo endoscopic score ≥2. Data were collected using an electronic case report form linked to the Swedish National Quality Registry for Inflammatory Bowel Disease (SWIBREG). Data concerning inflammatory markers, endoscopic activity, partial (p) Mayo, extra intestinal manifestations, health-related quality of life measures, corticosteroid use, and colectomy rates were collected regardless of tofacitinib discontinuation. Information collected at week 8 and 16 is presented here. Intention-to-treat (ITT) analysis was applied and tofacitinib discontinuation was considered as treatment failure (i.e., no tofacitinib-induced clinical or laboratory response or remission). McNemar’s test was used for proportion differences.Results: The proportion of patients who previously had failed at least one biologic was 95% and at least two biologics, 62%. At inclusion, median p-Mayo was 5 and 39% of patients were on corticosteroids (Table 1a). Patients’ survival on drug is shown in Figure 1a. At week 8 and 16, 42% and 43%, respectively, achieved corticosteroid free clinical remission, Figure 1b. A 50% reduction in F-calprotectin was seen in 54% and 49% at week 8 and 16, respectively. The endpoint of Mayo endoscopic score 0 and/or F-calprotectin <100 mg/kg was achieved by 30% and 38% at week 8 and 16, respectively. Arthralgia frequency decreased significantly from baseline from 29% at inclusion to 13% and 11% at week 8 and 16 respectively. Three patients underwent colectomy the first 16 weeks (Table 1b).Conclusion: After 16 weeks of treatment with tofacitinib, a substantial proportion of previously treatment refractory UC patients were in clinical and endoscopic corticosteroid-free remission, and a distinct improvement in F-calprotectin levels was observed. In addition, a significant reduction in arthralgia was noted.
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