ArticlePhysiological reports2026
Chronic, self-reported fatigue in adult immunotherapy patients and healthy controls: No association with cardiopulmonary exercise testing parameters.
Article in Physiological reports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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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.
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Abstract
This study examined whether cardiopulmonary exercise test (CPET) performance parameters are associated with chronic cancer-related fatigue in patients receiving immunotherapy checkpoint inhibitors (ICI) and healthy controls. Also, the differences in energy expenditure of steady-state cycling and gross efficiency were assessed during submaximal cycling efforts. This study involved patients (n = 19, 48 ± 13 years) receiving PD-1, PD-L1 checkpoint inhibitors and controls of similar age (n = 21, 49 ± 17 years). During the first visit, data on medical history, previous physical activity records, and CPET to voluntary exhaustion were collected. The second visit involved body composition assessment, the MFI-20 fatigue questionnaire, and 30-min steady-state cycling at 90% gas exchange threshold. There were no significant differences observed between the groups in age, stature, BMI, or resting blood pressure. Peak V̇O
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