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Prognostic indices of inflammatory markers, cognitive function and fatigue for survival in patients with localised colorectal cancer.

ABSTRACT: Background:Inflammation promotes the development of malignancy, while a variety of systemic markers of inflammation predict for worse cancer outcomes including recurrence and survival. Here, we evaluate the prognostic impact of cytokine concentrations, full blood count (FBC) differential ratios, cognitive function and fatigue on survival in patients with localised colorectal cancer (CRC). Patients and methods:Data are from a prospective longitudinal study comparing cognitive function and fatigue in patients with CRC who did (n=173) and did not (n=116) receive adjuvant/neoadjuvant chemotherapy. Baseline blood results (prior to any chemotherapy) included cytokines and FBC from which neutrophil lymphocyte ratio, lymphocyte monocyte ratio, platelet lymphocyte ratio and platelet monocyte ratio were derived. Fatigue was measured with the Functional Assessment of Cancer Therapy-Fatigue subscale and cognitive function by a neuropsychological test battery. Kaplan-Meier methods were used to estimate disease-free survival (DFS) and overall survival (OS). Univariable and multivariable Cox regression analyses were performed to evaluate factors potentially prognostic of outcomes. Results:At a median follow-up of 91.2 months, 227 subjects (79%) are still alive, and 212 (73%) have no evidence of a recurrence. Five-year OS and DFS are 86% (95% CI 81% to 90%) and 77% (95% CI 71% to 82%), respectively. None of the cytokines (interleukin (IL-6), IL-1 and tumour necrosis factor) or differential ratios of blood components, fatigue or cognitive function was statistically related to DFS or OS. Patient educational status (P=0.018), stage of disease (P=0.032), alanine transaminase (P=0.003), lactate dehydrogenase (P=0.008) and carcinoembryonic antigen (P=0.002) were significant as prognostic covariates of OS in univariable analyses, with similar results for DFS. Conclusion:None of the a priori selected markers of inflammation, fatigue or cognitive function was associated with OS or DFS in this cohort of patients. Trial registration number:NCT00188331, Post-results.

SUBMITTER: Vardy JL

PROVIDER: S-EPMC5844380 | biostudies-literature | 2018

REPOSITORIES: biostudies-literature

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Prognostic indices of inflammatory markers, cognitive function and fatigue for survival in patients with localised colorectal cancer.

Vardy Janette L JL Dhillon Haryana Mary HM Pond Gregory R GR Renton Corrinne C Clarke Stephen J SJ Tannock Ian F IF

ESMO open 20180214 2

<h4>Background</h4>Inflammation promotes the development of malignancy, while a variety of systemic markers of inflammation predict for worse cancer outcomes including recurrence and survival. Here, we evaluate the prognostic impact of cytokine concentrations, full blood count (FBC) differential ratios, cognitive function and fatigue on survival in patients with localised colorectal cancer (CRC).<h4>Patients and methods</h4>Data are from a prospective longitudinal study comparing cognitive funct ...[more]

PMID: 29531839

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Project description:BackgroundCognitive impairment and fatigue have been associated with cancer and its treatment. We present baseline data from a large longitudinal study that evaluates cognitive function, fatigue, and potential underlying mechanisms following diagnosis of colorectal cancer (CRC).Patients and methodsWe evaluated CRC patients with stage I-III disease before or after surgery, participants with limited metastatic disease and healthy controls (HC). Neuropsychological evaluation included clinical and computerised tests. Participants completed questionnaires for fatigue and quality of life (QOL)-(FACT-F), anxiety/depression, and cognitive symptoms (FACT-Cog). Ten cytokines, clotting factors, sex hormones, carcinoembryonic antigen (CEA), and apolipoprotein E genotype were evaluated. Primary end points were cognitive function on clinical tests evaluated by a Global Deficit score (GDS) and fatigue. Associations between test results, demographic, and disease related factors were explored.ResultsWe assessed 291 participants with early-stage disease [median age 59 (23-75) years, 63% men], 72 with metastatic disease, and 72 HC. Using GDS, 45% (126/281) of participants with early-stage CRC had cognitive impairment versus 15% (11/72) of HC (odds ratio 4.51, 95% confidence interval 2.28-8.93; P < 0.001), with complex processing speed, attention/working memory, and verbal learning efficiency being most affected. Women with early-stage CRC had greater cognitive impairment than men [55/105 (52%) versus 71/176 (40%), P < 0.050]. Cognitive symptoms were self-reported by 21% (59/286) of early-stage patients versus 17% (12/72) of HC; fatigue by 52% (149/287) of early-stage patients and 26% (19/72) of HC (P < 0.0001). Women reported more fatigue than men (P = 0.003). Fatigue, QOL, anxiety/depression, and cognitive symptoms were associated with each other (r = 0.43-0.71), but not with neuropsychological performance. Most cytokines were elevated in cancer patients. Cognitive function was not associated with cytokines, sex hormones, clotting factors, CEA, or apolipoprotein E genotype.ConclusionsThe incidence of cognitive impairment was three to five times higher in CRC patients than HC, with women having higher impairment rates than men. The cognitive impairment profile suggests dysfunction primarily in fronto-subcortical brain systems.Trial registrationNCT00188331.

Dataset Information

Prognostic indices of inflammatory markers, cognitive function and fatigue for survival in patients with localised colorectal cancer.

Publications

Prognostic indices of inflammatory markers, cognitive function and fatigue for survival in patients with localised colorectal cancer.

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