Evidence map›Paper›PMID 34420038›Full record

SynthesisProstate cancer and prostatic diseases2022

Associations of fat and muscle mass with overall survival in men with prostate cancer: a systematic review with meta-analysis.

Pedro Lopez, Robert U Newton, Dennis R Taaffe, Favil Singh, Laurien M Buffart, Nigel Spry, Colin Tang, Fred Saad, Daniel A Galvão

Open access · hybridAbstract readMeta-AnalysisSystematic Review
In one paragraph

Synthesis in Prostate cancer and prostatic diseases, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 42 papers, 4 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
42citing papers in PubMed, 4 pooled it
7.2field-weighted citation impact, top 2% 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

42 citing papers in PubMed, 4 syntheses or guidelines pooled it, 70 citations in OpenAlex.

  1. Pooled it
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  3. Does Androgen Deprivation for Prostate Cancer Affect Normal Adaptation to Resistance Exercise?International journal of environmental research and public health · 2022
    Pooled it
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  10. Subcutaneous adipose tissue outperforms muscle strength as an indicator of survival and quality of life in patients with cancer: a multicenter cohort study.Supportive care in cancer : official journal of the Multinational Association of Supportive Care in Cancer · 2026
    Observational
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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

9 authors at 2 institutions in 3 countries.

Pedro LopezExercise Medicine Research Institute, Edith Cowan University, Joondalup, WA, Australia. p.lopezdacruz@ecu.edu.au.ORCID http://orcid.org/0000-0002-3897-667X
Robert U NewtonExercise Medicine Research Institute, Edith Cowan University, Joondalup, WA, Australia.ORCID http://orcid.org/0000-0003-0302-6129
Dennis R TaaffeExercise Medicine Research Institute, Edith Cowan University, Joondalup, WA, Australia.ORCID http://orcid.org/0000-0001-6381-1597
Favil SinghExercise Medicine Research Institute, Edith Cowan University, Joondalup, WA, Australia.ORCID http://orcid.org/0000-0002-4876-2990
Laurien M BuffartExercise Medicine Research Institute, Edith Cowan University, Joondalup, WA, Australia.ORCID http://orcid.org/0000-0002-8095-436X
Nigel SpryExercise Medicine Research Institute, Edith Cowan University, Joondalup, WA, Australia.
Colin TangExercise Medicine Research Institute, Edith Cowan University, Joondalup, WA, Australia.
Fred SaadDivision of Urology and Urologic Oncology, Centre Hospitalier de l'Université de Montréal, Montreal, QC, Canada.ORCID http://orcid.org/0000-0003-2986-5617
Daniel A GalvãoExercise Medicine Research Institute, Edith Cowan University, Joondalup, WA, Australia.ORCID http://orcid.org/0000-0002-8209-2281
Edith Cowan University · AUCentre Hospitalier de l’Université de Montréal · CA

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundTo systematically review and analyse the associations between fat and muscle mass measures with overall survival in men with prostate cancer.

methodsA systematic search was conducted in CINAHL, Cochrane Library, EMBASE, PubMed, and Web of Science databases from inception to December 2020, while abstracts from the American Society of Clinical Oncology (ASCO), Clinical Oncology Society of Australia (COSA), and the American College of Sports Medicine (ACSM) conferences were searched from 2014 to 2020. Eligible articles examined the association of body composition measures, such as fat mass (e.g., fat mass, visceral adipose tissue (VAT), subcutaneous adipose tissue (SAT), and VAT/SAT) and muscle mass measures, with overall survival in prostate cancer patients at any treatment stage. The primary endpoint was overall survival. Random-effect meta-analysis was conducted for studies reporting multivariable or univariable analysis assessing the associations of fat mass measures (i.e., fat mass, VAT, SAT, VAT/SAT) and muscle mass measures with overall survival.

resultsSixteen cohort studies that comprised 4807 men with prostate cancer were included. Total adiposity (hazard ratio (HR) 0.98, 95% CI: 0.75-1.28, p = 0.888) and VAT (HR 1.03, 95% CI: 0.74-1.43, p = 0.873) were not significantly associated with overall survival, while higher subcutaneous adipose tissue levels were associated with higher survival (HR 0.68, 95% CI: 0.54-0.84, p = 0.001). Greater mortality risk was found in patients with localised (HR 1.91, 95% CI: 1.40-2.62, p < 0.001) and advanced disease (HR 1.43, 95% CI: 1.07-1.92, p = 0.020) presenting with low levels of muscle mass compared to those presenting with high levels. DISCUSSION: These results indicate that although overall adiposity should be cautiously interpreted in regards to survival, high muscle mass and SAT, and low VAT/SAT ratio values are associated with overall survival in men with prostate cancer.

Indexed as

Prostatic NeoplasmsAdiposityHumansIntra-Abdominal FatMaleMusclesObesitySubcutaneous Fat

Identifiers

PMID34420038
PMCPMC9705235
OpenAlexW3194802937

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.