SynthesisOncotarget2016
Dietary intake of flavonoid subclasses and risk of colorectal cancer: evidence from population studies.
Synthesis in Oncotarget, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers, 5 of them syntheses that pooled it.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
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.
The trial behind it
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.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
20 citing papers in PubMed, 5 syntheses or guidelines pooled it, 62 citations in OpenAlex.
- Folate and global health umbrella review series, part 2: syntheses on cancers.Journal of global health · 2026Pooled it
- Unravelling the Link between Polyphenol Intake and the Risk of Digestive System Cancer: An Umbrella Review Using Meta-Analyses and Systematic Reviews.Expert reviews in molecular medicine · 2026Pooled it
- Role of Diet in Colorectal Cancer Incidence: Umbrella Review of Meta-analyses of Prospective Observational Studies.JAMA network open · 2021Pooled it
- Dietary Flavonoids and the Risk of Colorectal Cancer: An Updated Meta-Analysis of Epidemiological Studies.Nutrients · 2018Pooled it
- Folate intake, serum folate levels and esophageal cancer risk: an overall and dose-response meta-analysis.Oncotarget · 2017Pooled it
- Exploring the Therapeutic Potential of Flavonoids in the Management of Cancer.Current pharmaceutical biotechnology · 2025Review
- Chemoprotective effect of boeravinone B against 1,2-dimethyl hydrazine induced colorectal cancer in rats via suppression of oxidative stress and inflammatory reaction.Journal of gastrointestinal oncology · 2022Article
- Can dietary flavonoids be useful in the personalized treatment of colorectal cancer?World journal of gastrointestinal oncology · 2022Review
- Hexameric procyanidins inhibit colorectal cancer cell growth through both redox and non-redox regulation of the epidermal growth factor signaling pathway.Redox biology · 2021Article
- Scientific Evidence Supporting the Beneficial Effects of Isoflavones on Human Health.Nutrients · 2020Review
- Flavonoids as Anticancer Agents.Nutrients · 2020Review
- Review
- Flavonoids and Colorectal Cancer Prevention.Antioxidants (Basel, Switzerland) · 2018Review
- Dietary intake of total polyphenol and polyphenol classes and the risk of colorectal cancer in the European Prospective Investigation into Cancer and Nutrition (EPIC) cohort.European journal of epidemiology · 2018Article
- Association between red and processed meat intake and colorectal adenoma incidence and recurrence: a systematic review and meta-analysis.Oncotarget · 2018Article
- Antioxidant and Oxidative Stress: A Mutual Interplay in Age-Related Diseases.Frontiers in pharmacology · 2018Review
- Article
- Article
- Red and processed meat consumption and colorectal cancer risk: a systematic review and meta-analysis.Oncotarget · 2017Article
- Review
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
2 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
objectiveTo systematically evaluate the relationship between flavonoids intake and colorectal cancer risk by conducting a meta-analysis.
resultsOur meta-analysis included 18 studies involving 16,917 colorectal cancer cases in 559,486 participants in relations to flavonoids intake during six to twenty-six years of follow-up. Our results indicated that specific flavonoid subclasses, such as procyanidins (OR = 0.75; 95% CI, 0.66-0.86) and isoflavones (OR = 0.87; 95% CI, 0.78-0.98), showed protective effects against colorectal cancer risk. There was no enough evidence indicating that increased consumption of total flavonoids were significantly associated with reduced risk of colorectal cancer (OR = 0.94, 95% CI, 0.81-1.09). There was no publication bias across studies.
methodsWe performed a systematic search of PubMed, Web of Science and the Cochrane Library databases for relevant articles before December 2015. A random-effects model was used to estimate summary odds ratios and 95% confidence intervals (CIs) for associations between flavonoids and colorectal cancer risk. We assessed heterogeneity among studies by the Cochran Q and I2 statistics.
conclusionsOur meta-analysis provides comprehensive evidence and partly supported the hypothesis that higher habitual intake of foods rich in procyanidins and isoflavones may potentially decrease colorectal cancer incidence. More prospective studies are warranted to verify this protective association.
Indexed as
Identifiers
What OpenQuestion holds
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 OpenQuestion graph.