Evidence map›Paper›PMID 27766252›Full record

ArticleFrontiers in oncology2016

Type 2 Diabetes, Antidiabetic Medications, and Colorectal Cancer Risk: Two Case-Control Studies from Italy and Spain.

Valentina Rosato, Alessandra Tavani, Esther Gracia-Lavedan, Elisabet Guinó, Gemma Castaño-Vinyals, Cristina M Villanueva, Manolis Kogevinas, Jerry Polesel, Diego Serraino, Federica E Pisa and 4 more

Open access · goldAbstract read
In one paragraph

Article in Frontiers in oncology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers, 4 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
19citing papers in PubMed, 4 pooled it
3.3field-weighted citation impact, top 8% of its field
1 · What the graph read from 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.

2 · The registry

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.

3 · Its place in the literature

Who cites it

19 citing papers in PubMed, 4 syntheses or guidelines pooled it, 38 citations in OpenAlex.

  1. Pooled it
  2. Pooled it
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  4. Metformin and colorectal cancer: a systematic review, meta-analysis and meta-regression.International journal of colorectal disease · 2020 · on this map
    Pooled it
  5. Article
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  11. Metformin in colorectal cancer: molecular mechanism, preclinical and clinical aspects.Journal of experimental & clinical cancer research : CR · 2019
    Review
  12. Colonic Cancer and Acromegaly.Frontiers in endocrinology · 2019
    Review
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  19. Racial-Ethnic Disparities in Late-Stage Colorectal Cancer Among Hispanics and Non-Hispanic Whites of New Mexico.Hispanic health care international : the official journal of the National Association of Hispanic Nurses · 2017
    Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

14 authors at 9 institutions in 2 countries.

Valentina RosatoDepartment of Epidemiology, IRCCS - Istituto di Ricerche Farmacologiche Mario Negri , Milan , Italy.
Alessandra TavaniDepartment of Epidemiology, IRCCS - Istituto di Ricerche Farmacologiche Mario Negri , Milan , Italy.
Esther Gracia-LavedanISGlobal, Centre for Research in Environmental Epidemiology (CREAL), Barcelona, Spain; Universitat Pompeu Fabra (UPF), Barcelona, Spain; CIBER Epidemiología y Salud Pública (CIBERESP), Madrid, Spain.
Elisabet GuinóCIBER Epidemiología y Salud Pública (CIBERESP), Madrid, Spain; Cancer Prevention and Control Program, Unit of Biomarkers and Susceptibility, Catalan Institute of Oncology (ICO)-IDIBELL, Hospitalet de Llobregat, Barcelona, Spain.
Gemma Castaño-VinyalsISGlobal, Centre for Research in Environmental Epidemiology (CREAL), Barcelona, Spain; Universitat Pompeu Fabra (UPF), Barcelona, Spain; CIBER Epidemiología y Salud Pública (CIBERESP), Madrid, Spain; Hospital del Mar Medical Research Institute (IMIM), Barcelona, Spain.
Cristina M VillanuevaISGlobal, Centre for Research in Environmental Epidemiology (CREAL), Barcelona, Spain; Universitat Pompeu Fabra (UPF), Barcelona, Spain; CIBER Epidemiología y Salud Pública (CIBERESP), Madrid, Spain; Hospital del Mar Medical Research Institute (IMIM), Barcelona, Spain.
Manolis KogevinasISGlobal, Centre for Research in Environmental Epidemiology (CREAL), Barcelona, Spain; Universitat Pompeu Fabra (UPF), Barcelona, Spain; CIBER Epidemiología y Salud Pública (CIBERESP), Madrid, Spain; Hospital del Mar Medical Research Institute (IMIM), Barcelona, Spain.
Jerry PoleselUnit of Cancer Epidemiology, CRO Aviano National Cancer Institute, IRCCS , Aviano , Italy.
Diego SerrainoUnit of Cancer Epidemiology, CRO Aviano National Cancer Institute, IRCCS , Aviano , Italy.
Federica E PisaSOC Igiene ed Epidemiologia Clinica, Azienda Ospedaliero Universitaria di Udine , Udine , Italy.
Fabio BarboneSOC Igiene ed Epidemiologia Clinica, Azienda Ospedaliero Universitaria di Udine, Udine, Italy; Department of Medical and Biological Sciences, University of Udine, Udine, Italy.
Victor MorenoCIBER Epidemiología y Salud Pública (CIBERESP), Madrid, Spain; Cancer Prevention and Control Program, Unit of Biomarkers and Susceptibility, Catalan Institute of Oncology (ICO)-IDIBELL, Hospitalet de Llobregat, Barcelona, Spain; Department of Clinical Sciences, Faculty of Medicine, University of Barcelona, Barcelona, Spain.
Carlo La VecchiaDepartment of Clinical Sciences and Community Health, University of Milan , Milan , Italy.
Cristina BosettiDepartment of Epidemiology, IRCCS - Istituto di Ricerche Farmacologiche Mario Negri , Milan , Italy.
Barcelona Institute for Global Health · ESCentro di Riferimento Oncologico · ITIstituti di Ricovero e Cura a Carattere Scientifico · ITPompeu Fabra University · ESCentro de Investigación Biomédica en Red de Epidemiología y Salud Pública · ESInstitut d'Investigació Biomédica de Bellvitge · ESMario Negri Institute for Pharmacological Research · ITUniversity of Milan · ITUniversity of Udine · IT

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundType 2 diabetes mellitus has been associated with an excess risk of colorectal cancer, although the time-risk relationship is unclear, and there is limited information on the role of antidiabetic medications.

aimWe examined the association between type 2 diabetes, antidiabetic medications, and the risk of colorectal cancer, considering also duration of exposures.

methodsWe analyzed data derived from two companion case-control studies conducted in Italy and Spain between 2007 and 2013 on 1,147 histologically confirmed colorectal cancer cases and 1,594 corresponding controls. Odds ratios (ORs) and 95% confidence intervals (CIs) were estimated by unconditional multiple logistic regression models, adjusted for socioeconomic factors and major potential confounding factors.

resultsOverall, 14% of cases and 12% of controls reported a diagnosis of diabetes, corresponding to an OR of colorectal cancer of 1.21 (95% CI 0.95-1.55). The OR was 1.49 (95% CI 0.97-2.29) for a duration of diabetes of at least 15 years. The OR was 1.53 (95% CI 1.06-2.19) for proximal colon cancer, 0.94 (95% CI 0.66-1.36) for distal colon cancer, and 1.32 (95% CI 0.94-1.87) for rectal cancer. In comparison with no use, metformin use was associated with a decreased colorectal cancer risk (OR 0.47, 95% CI 0.24-0.92), while insulin use was associated with an increased risk (OR 2.20, 95% CI 1.12-4.33); these associations were stronger for longer use (OR 0.36 and 8.18 for ≥10 years of use of metformin and insulin, respectively).

conclusionThis study shows evidence of a positive association between diabetes and colorectal cancer, mainly proximal colon cancer. Moreover, it indicates a negative association between colorectal cancer and metformin use and a positive association for insulin use.

Indexed as

antidiabetic medicationscolorectal cancerdiabetesinsulinmetforminrisk factor

Identifiers

PMID27766252
PMCPMC5052265
OpenAlexW2536830316

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

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.