Abstract
804 Background: The CT-derived sarcopenia score (CT-SS) is thought to capture the nutritional and functional reserve of the cancer patient. However, it is unknown whether the CT-SS is associated with measures of physical function in patients with advanced cancer. Furthermore, has complimentary prognostic value when utilised as a phenotypic criterion in the GLIM cachexia framework. Methods: Prospectively collected data from patients with advanced cancer, undergoing anti-cancer therapy with palliative intent, across nine sites in the UK and Ireland between 2011–2016, was retrospectively analysed. Relationships between the CT-SS, ECOG-PS, measures of physical function and aetiological GLIM criterion (mGPS and metastatic disease) were examined using χ2 test for linear-by-linear association. Results: 518 patients met the inclusion criteria. 55 % (n=286) were male and 51% (n=266) were 65 years of age. The majority of patients had either GI (47%, n=242) or lung (25%, n=129) tumours. 46% (n=241) were CT-SS ≥1. 53% (n=274) of patients were inflamed (mGPS≥1). 63% (n=325) had an ECOG-PS>0/1. Of the 192 patients who underwent timed up-and-go testing and two-minute walk testing, 72% (n=138) and 96% (n=185) were categorised as a failure, respectively. Median survival from entry to the study was 8.7 months (4.2-18.3). 84% (n=433), 64% (n=339) and 38% (n=194) of patients were alive at 3-, 6- and 12-months, respectively. The CT-SS was significantly associated with ECOG-PS (p<0.001), timed up-and-go test failure (p<0.05), two-minute walk test failure (p<0.05), 3-month survival (p<0.05), 6-month survival (p<0.05) and 12-month survival (p<0.05). Furthermore, was significantly associated with 3-, 6- and 12-month survival in patients who were mGPS 0 and did not have metastatic disease (p<0.05 and p<0.05, respectively). Conclusions: The CT-SS is associated with physical function and survival in patients with advanced cancer. Furthermore, has complementary prognostic value to the aetiological criterion of the GLIM framework.
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