Spots Global Cancer Trial Database for IBD Neoplasia Surveillance Pilot RCT

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Trial Identification

Brief Title: IBD Neoplasia Surveillance Pilot RCT

Official Title: A Randomized, Parallel-Group, Non-Inferiority Trial Comparing Random AND Targeted Biopsies to Targeted Biopsies Alone for Neoplasia Screening in Adult Persons With Colonic Inflammatory Bowel Diseases: A Pilot Study

Study ID: NCT04067778

Conditions

Inflammatory Bowel Diseases

Colonic Neoplasms

Dysplasia

Interventions

Intervention Group

Control Group

Study Description

Brief Summary: To determine if random biopsies can be safely eliminated from screening of average risk persons with IBD, the investigators propose to carry out a pilot randomized control trial in which targeted biopsies in combination with random biopsies will be compared to targeted biopsies alone in terms of pre-cancerous lesion capture rate, side-effects and CRC risk. The pilot study will aim to capture 20% of the overall study population in order to evaluate the feasibility of recruiting the needed number of participants in the specified time frame, while maintaining high quality of data collection.

Detailed Description: Inflammatory Bowel Disease (IBD), including crohn's disease and ulcerative colitis, is a group of diseases characterized by acute and chronic inflammation of the intestinal tract. Persons with IBD are at an increased risk of developing colorectal cancer (CRC) and require frequent CRC screening with colonoscopy. Current IBD screening guidelines recommend the taking of biopsies of any lesions suspected to be pre-cancerous (targeted biopsies), as well as the taking of 30 to 40 random biopsies throughout the colon. The recommendations for random biopsies are based on historical practice and the theory that they would capture "invisible lesions", but are not supported by strong scientific evidence. In fact, recent evidence has shown that random biopsies capture a very small number of pre-cancerous lesions and that they capture such lesions only in persons with additional risk factors for CRC. In addition, new colonoscopy practices and technology have made 80-90% of pre-cancerous lesions visible. Random biopsies also carry potential risks for patients, including lower gastrointestinal bleeding and bowel perforation, and substantially increase procedural costs and time. Hence, there is a strong impetus to conduct a well-powered non-inferiority Randomized Controlled Trial (RCT) on this topic in a Canadian setting. With the support of a pan-Canadian IBD clinical trials alliance (the Canadian IBD Research Consortium (CIRC)), and the high prevalence of IBD in Canada, Canadian investigators are well-positioned to undertake such a trial. Before embarking on a large multi-center trial, a one-year pilot feasibility trial will be conducted to ensure that patients can be enrolled efficiently with excellent protocol compliance. A feasibility trial will also provide a crude estimate of the neoplasia detection rate (primary outcome) among persons with colon IBD (cIBD) in Canada, which will allow refinement of the sample size, recruitment period and budget for a definitive trial. To-date, no well-powered or North American RCTs have evaluated random biopsies as an intervention to guide our estimates for a definitive trial.