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Predictors clinical trials

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NCT ID: NCT06165029 Recruiting - Clinical trials for Inflammatory Bowel Diseases

IUS Combined With VAT Predicts Anti-TNF-α Efficacy in Patients With IBD: a Prospective Study

Start date: November 22, 2023
Phase:
Study type: Observational

Inflammatory Bowel Disease (IBD) is a chronic recurrent nonspecific inflammatory disease of the intestinal tract that can involve multiple organs and systems, mainly including Crohn's disease (CD) and ulcerative colitis (UC). Recurrent disease episodes lead to high rates of disability and unemployment, resulting in a heavy social and economic burden. Currently, the main therapeutic agents for IBD include aminosalicylic acid preparations, glucocorticoids, immunosuppressive agents, and biologic agents, e.g. tumor necrosis factor-a (TNF-a) inhibitors, ustekinumab, etc., with TNF-a inhibitors being the most commonly used in IBD. The latest guidelines and expert consensus on the diagnosis and management of IBD clearly recommend the use of anti-TNF-a agents. However, not all patients are satisfied with the efficacy of anti-TNF-a agents, and studies have shown that up to 33.7% of responders to induction therapy experience secondary loss of response within a year of starting treatment. Patients remain at risk of poor efficacy or treatment failure with these drugs. Therefore, effective prediction of drug efficacy in patients with IBD is an urgent clinical problem, and the discovery of highly sensitive and specific assays that can identify patients most likely to benefit from treatment as well as those most likely to experience a loss of response is important for guiding clinical therapeutic strategies. Currently, there are no relevant studies at home or abroad on the combination of intestinal ultrasound (IUS) with visceral adipose tissue (VAT) to predict the response to anti-TNF-a therapy in IBD patients. Therefore, the investigators propose for the first time that IUS combined with VAT is used as a method to predict the efficacy of anti-TNF-a therapy in IBD patients and to further guide the development of individualized treatment plans.

NCT ID: NCT03974191 Active, not recruiting - Pain Clinical Trials

13-year Follow-up of Women With Chronic Low Back Pain in Primary Care - a Prospective Longitudinal Cohort Study

Start date: June 10, 2019
Phase:
Study type: Observational

Background: Low back pain (LBP) is among the main causes of long-term sickness absence and is associated with considerable costs for both the individual and society. LBP affects 60-80% of the population and most individuals recover, while about 10-20% develop persistent pain and disability. Women have a higher risk of developing chronic LBP (CLBP) and widespread pain. Purpose: To investigate change in body function, activity, participation and other health related factors in women with CLBP after 13 years and to identify prognostic factors for pain, activity limitation and work ability. Methods: In the present study, all women (n = 131) who were included in the cross-sectional study in 2006 and who were followed-up after 2 years are now invited to the same study-protocol 13 years after the first examination in 2006. The Swedish Ethical Review Authority approved the study. Dnr: 2019-01944, 2019-05-21.

NCT ID: NCT02726893 Completed - Colonoscopy Clinical Trials

A Predictive Model for Inadequate Bowel Preparation Before Colonoscopy: Development and Validation

Start date: April 2016
Phase: N/A
Study type: Observational

About 30% of patients were reported to suffer inadequate bowel preparation.