Evidence map›Paper›PMID 40180122›Full record

ArticleAnnals of oncology : official journal of the European Society for Medical Oncology2025

Decaffeinated coffee consumption and risk of total and site-specific cancer.

Y Zhang, C Ma, L Zhao, L A Mucci, E L Giovannucci

Abstract read
In one paragraph

Article in Annals of oncology : official journal of the European Society for Medical Oncology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.

0numbers the graph read from it
0cells of the map it votes in
4citing papers in PubMed
–field-weighted citation impact
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

4 citing papers in PubMed.

  1. Article
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  3. Review
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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

5 authors.

Y ZhangDepartment of Nutrition, Harvard T. H. Chan School of Public Health, Boston, USA.
C MaDepartment of Nutrition, University of Massachusetts Amherst, Amherst, USA.
L ZhaoSchool of Nursing, Yale University, Orange, USA.
L A MucciDepartment of Epidemiology, Harvard T. H. Chan School of Public Health, Boston, USA.
E L GiovannucciDepartment of Nutrition, Harvard T. H. Chan School of Public Health, Boston, USA; Department of Epidemiology, Harvard T. H. Chan School of Public Health, Boston, USA. Electronic address: egiovann@hsph.harvard.edu.

Funding

Statistical MethodsP01CA087969 · NCI · BRIGHAM AND WOMEN'S HOSPITAL · PI ELIASSEN, A. HEATHER, TAMIMI, RULLA M · 2000 to 2019
$77.8M
Long Term Multidisciplinary Study of Cancer in Women: The Nurses Health StudyUM1CA186107 · NCI · BRIGHAM AND WOMEN'S HOSPITAL · PI ELIASSEN, A. HEATHER, STAMPFER, MEIR · 2014 to 2023
$22.3M
Cancer Epidemiology Cohort in Male Health ProfessionalsU01CA167552 · NCI · HARVARD UNIVERSITY D/B/A HARVARD SCHOOL OF PUBLIC HEALTH · PI Lorelei Mucci, Walter C. Willett · 2017 to 2026
$17.0M
NCI NIH HHS P01 CA087969NCI NIH HHS U01 CA167552NCI NIH HHS UM1 CA186107
6 · The paper itself

Abstract

backgroundCoffee is generally considered safe regarding cancer risk. However, concerns have emerged over methylene chloride, a chemical used in decaffeination, due to its carcinogenic properties. The potential cancer risk from methylene chloride residue in decaffeinated coffee remains unclear. PATIENTS AND

methodsThis prospective cohort study included 75 988 women (Nurses' Health Study, 1984-2020) and 45 349 men (Health Professionals Follow-up Study, 1986-2020). Decaffeinated coffee consumption was assessed at baseline and every 4 years using a validated food frequency questionnaire. Cox proportional hazards models were used to estimate hazard ratios (HRs) and 95% confidence intervals (CIs) of total and 14 site-specific cancers associated with decaffeinated coffee consumption, adjusted for regular coffee intake and other potential confounding variables.

resultsDuring up to 36 years of follow-up, we documented 34 120 incident cancer cases (22 688 in women and 11 432 in men). Overall, decaffeinated coffee intake was not associated with higher total cancer risk [per 1 cup/day higher intake, HR 1.00 (95% CI 0.98-1.01)]. For specific cancer type, an inverse association was observed for colorectal [HR 0.96 (95% CI 0.92-0.99)] and aggressive prostate [HR 0.93 (95% CI 0.87-0.99)] cancer. An observed higher lung cancer risk for decaffeinated coffee attenuated to null when restricted to never smokers. However, we observed elevated bladder cancer risk among male never smokers: compared with nondrinkers, 0.1-0.9, 1-1.9, 2-2.9 and ≥3 cups/day of decaffeinated coffee intake were associated with HRs of 1.30 (95% CI 1.01-1.68), 1.42 (95% CI 1.00-2.03), 1.43 (95% CI 0.91-2.23), and 1.79 (95% CI 0.92-3.50), respectively, with borderline significant linear trends (P

conclusionsHigher decaffeinated coffee intake was not associated with total cancer risk. However, the observed significant higher risk of bladder cancer in men warrants further studies.

Indexed as

CoffeeNeoplasmsAdultAgedFemaleFollow-Up StudiesHumansIncidenceMaleMiddle AgedProportional Hazards ModelsProspective StudiesRisk FactorsCoffeebladder cancercancer riskcohort studiesdecaffeinated coffeeepidemiology

Identifiers

PMID40180122
PMCPMC12167682

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Registered trials

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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.