ArticlePloS one2022
Characteristics of colorectal cancer and use of colonoscopy before colorectal cancer diagnosis among individuals with inflammatory bowel disease: A population-based study.
Article in PloS one, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers, 1 of them a synthesis that pooled it.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
4 citing papers in PubMed, 1 synthesis or guideline pooled it, 4 citations in OpenAlex.
- IBD-related inflammatory memory and colorectal cancer: epigenetic mechanisms and microbiome interventions.Frontiers in immunology · 2026Pooled it
- Characteristics and outcomes of rectal cancer in patients with inflammatory bowel disease: a single-center experience.Updates in surgery · 2024Article
- The 2023 Impact of Inflammatory Bowel Disease in Canada: Cancer and IBD.Journal of the Canadian Association of Gastroenterology · 2023Review
- Diagnostic value of human fecal SDC2 gene in colorectal cancer.American journal of translational research · 2023Article
Corrections and comments
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Authors and funding
6 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
introductionThere are limited recent data on the characteristics of inflammatory bowel disease (IBD)-associated colorectal cancer (CRC) and the use of colonoscopy prior to CRC diagnosis among persons with IBD. We analyzed IBD-CRC characteristics, survival after IBD-CRC diagnosis and the use of colonoscopy prior to IBD-CRC diagnosis over time.
methodsWe identified individuals with and without IBD from the University of Manitoba IBD Epidemiology Database and CRC from linkage to the Manitoba Cancer Registry. We compared characteristics of IBD-CRC and sporadic-CRC using logistic regression and survival after CRC diagnosis using Cox regression analysis. We assessed rate and predictors of colonoscopy use 5 years to 6 months prior to IBD-CRC.
results1,262 individuals with CRC were included (212 IBD-CRC). IBD was associated with an increased risk of death after CRC diagnosis in 2004-2011 (HR 1.89; 95% CI 1.25-2.88) but not in 2012-2017 (HR = 1.002; CI 0.50-2.03). In the 5 years to 6 months prior to IBD-CRC (1989-2018), 51% underwent colonoscopy, which was very similar to IBD without CRC and contrasted to 9% among sporadic CRCs. Exposure to colonoscopy pre IBD-CRC remained stable through the study period (1989-2002 OR = 1.25; CI 0.77-2.01; 2003-2011 OR = 1.21; CI 0.56-1.70; reference 2012-2018). Exposure to colonoscopy pre-IBD-CRC was not associated with improved post-CRC survival.
conclusionThe risk of death following CRC diagnosis is not impacted by a diagnosis of IBD in recent years. There is a very high proportion of post colonoscopy CRC among IBD-CRC, which has not changed over the years and needs detailed root-cause analysis and interventions.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.