Evidence map›Paper›PMID 29649913›Full record

ArticleIntegrative cancer therapies2018

Effects of an Exercise Intervention on Cancer-Related Fatigue and Its Relationship to Markers of Oxidative Stress.

Chris P Repka, Reid Hayward

Open access · goldAbstract read
In one paragraph

Article in Integrative cancer therapies, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers, 4 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
21citing papers in PubMed, 4 pooled it
1.9field-weighted citation impact, top 11% 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

21 citing papers in PubMed, 4 syntheses or guidelines pooled it, 43 citations in OpenAlex.

  1. Pooled it
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  5. Trial
  6. Article
  7. Cancer Cachexia.Advances in experimental medicine and biology · 2025
    Review
  8. Review
  9. Article
  10. Metabolic underpinnings of cancer-related fatigue.American journal of physiology. Endocrinology and metabolism · 2024
    Review
  11. Feasibility and Safety of Food ContainingPalliative medicine reports · 2024
    Article
  12. Article
  13. Article
  14. Article
  15. Exercise as a therapy for cancer-induced muscle wasting.Sports medicine and health science · 2020
    Review
  16. Review
  17. Review
  18. Review
  19. Exercise stimulates beneficial adaptations to diminish doxorubicin-induced cellular toxicity.American journal of physiology. Regulatory, integrative and comparative physiology · 2019
    Review
  20. Exercise as Adjunct Therapy in Cancer.Seminars in radiation oncology · 2019
    Review
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

2 authors at 2 institutions in 1 country.

Chris P Repka1 Department of Health Sciences, Northern Arizona University, Flagstaff, AZ, USA.
Reid Hayward2 Cancer Rehabilitation Institute, University of Northern Colorado, Greeley, CO, USA.
Northern Arizona University · USUniversity of Northern Colorado · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundAlthough the underlying mechanisms of cancer-related fatigue (CRF) are not fully characterized, treatment-associated oxidative stress may play a role. The purpose of this study was to determine the effect of an exercise intervention on the relationship between CRF and oxidative stress.

methodsUpon cessation of radiation or chemotherapy, 8 cancer patients participated in a 10-week exercise intervention (EX), while 7 continued standard care (CON). Blood draws and fatigue questionnaires were administered to cancer patients before and after the intervention as well as to 7 age-matched individuals with no cancer history. Changes in plasma 8-hydroxy-deoxyguanosine (8-OHdG), protein carbonyls, antioxidant capacity, and fatigue were compared between groups. Correlations between CRF and oxidative stress were evaluated.

resultsMean total fatigue scores decreased significantly (5.0 ± 2.2 to 2.6 ± 1.5, P < .05) in EX, but not in CON. Antioxidant capacity significantly increased (+41%; P < .05) and protein carbonyls significantly decreased (-36%; P < .05) in EX, but not in CON. Increases in antioxidant capacity were significantly correlated with reductions in affective ( r = -.49), sensory ( r = -.47), and cognitive fatigue ( r = -.58). Changes in total ( r = .46) and affective ( r = .47) fatigue exhibited significant correlations with changes in 8-OHdG over time, while behavioral ( r = .46) and sensory ( r = .47) fatigue changes were significantly correlated with protein carbonyls.

conclusionsOxidative stress may be implicated in CRF, while improved antioxidant capacity following an exercise intervention may play a role in mitigating CRF in cancer survivors.

Indexed as

AdultAgedAntioxidantsBiomarkersExerciseExercise TherapyFatigueFemaleHumansMaleMiddle AgedNeoplasmsOxidative StressSurvivorsAntioxidantsBiomarkersbiological markerscancer rehabilitationexercise therapyfatigueoxidative stress

Identifiers

PMID29649913
PMCPMC6041925
OpenAlexW2796860673

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC
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.