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Resistance training does not protect against increases in plasma cytokine levels among germ cell cancer patients during and after chemotherapy

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CONTEXT: Testicular germ cell cancer (GCC) patients treated with cisplatin-etoposide-bleomycin chemotherapy (BEP) have excellent prognosis but have an increased risk of late-occurring morbidities, which may be associated with changes in the inflammatory profile.

OBJECTIVE: The objective of the study was to explore plasma cytokine concentrations in GCC patients randomized to resistance training or usual care during BEP, in comparison with healthy controls.

DESIGN/SETTING: This was a randomized controlled trial in GCC patients enrolled from an oncology clinic, including a healthy reference group for comparison purposes.

OUTCOME MEASURES: Plasma granulocyte macrophage colony-stimulating factor, interferon-γ, IL-1β, IL-2, IL-6, IL-8, IL-10, IL-12, and TNF-α were measured in fasting blood samples from GCC patients randomized to resistance training (INT; n = 15) or usual care (CON; n = 15) and healthy age-matched controls (REF; n = 19). Clinical toxicity assessments and patient-reported end points were also recorded.

RESULTS: CON and INT were balanced at baseline. Compared with REF, CON had higher concentrations of IL-10, IL-6, and interferon-γ, and INT had higher concentrations of IL-6, IL-8 and TNF-α (all P < .05). At the end of therapy, concentrations of IL-6, IL-8, and IL-10 increased in both GCC groups (all P < .01). Three months after therapy, all cytokine concentrations were comparable with the pretreatment levels in both GCC-groups but remained elevated compared with REF (P < .05). Changes in TNF-α correlated with pulmonary toxicity (P < .01). At the end of therapy, IL-6 concentrations correlated with quality of life (P < .05) and fatigue (P < .01).

CONCLUSION: GCC patients treated with BEP display consistently elevated levels of systemic inflammatory markers compared with healthy controls. Resistance training during therapy has no impact on plasma cytokine concentrations.

Original languageEnglish
JournalThe Journal of clinical endocrinology and metabolism
Issue number8
Pages (from-to)2967-76
Number of pages10
StatePublished - Aug 2014

    Research areas

  • Adult, Antineoplastic Combined Chemotherapy Protocols, Combined Modality Therapy, Cytokines, Humans, Interferon-gamma, Interleukin-10, Interleukin-6, Interleukin-8, Male, Neoplasms, Germ Cell and Embryonal, Resistance Training, Testicular Neoplasms, Tumor Necrosis Factor-alpha, Young Adult

ID: 45068807