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Poster Display session 2

5419 - Impact of Sarcopenia and adiposity in survival of metastatic esophageal cancer (MEC)


29 Sep 2019


Poster Display session 2


Tumour Site

Oesophageal Cancer


Aline Fares


Annals of Oncology (2019) 30 (suppl_5): v253-v324. 10.1093/annonc/mdz247


A.F. Fares1, K. Taylor1, J. Bajwa2, G. Dong2, D.V. Araujo3, K. Hueniken4, D. Patel5, E.X. Chen1, J.J. Knox1, R.W. Jang1, R. Wong1, G. Darling1, E. Elimova5, W. Xu6, D. Rozenberg7, G. Liu1, M. McInnis2

Author affiliations

  • 1 Medical Oncology, Princess Margaret Cancer Centre, M5G2M9 - Toronto/CA
  • 2 Radiology, Toronto General Hospital, M5G2M9 - Toronto/CA
  • 3 Medical Oncology, Princess Margaret Cancer Centre, M5G 2M9 - Toronto/CA
  • 4 Medical Oncology And Hematology, Princess Margaret Cancer Centre, Toronto/CA
  • 5 Medical Oncology, Princess Margaret Cancer Centre, M5G 2C1 - Toronto/CA
  • 6 Ontario Cancer Institute, Princess Margaret Cancer Centre, Toronto/CA
  • 7 Respirology, Toronto General Hospital, M5G2M9 - Toronto/CA


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Abstract 5419


Multiple mechanisms can directly influence body compositions (bcomp) in cancer: tumor-dependent chronic inflammation, leading to (a) anorexia and multiple neuroendocrine changes, (b) patient-dependent treatment related effects, and (c) in esophageal cancer, mechanical alterations with weight loss. Supportive management depends on understanding the cancer frailty determinants that lead to poor outcomes.


We retrospectively identified MEC patients (pts) treated in Toronto, Canada (2007-2014). Bcomp was assessed at presentation, using computed tomography, and included skeletal muscle index (SMI), visceral (VA) and subcutaneous adiposity (SA). Two outcome-blinded radiologists (Intraclass correlation, 0.92-1.00) assessed the L3 level, using SliceOMatic software. Published sex and BMI-dependent Bcomp cut-offs were used to define cancer associated sarcopenia. Cox proportional hazard models generated adjusted hazard ratios (aHR) and Kaplan-Meier curves estimated survival.


Of 127 pts, 83% were male; 94% Caucasian; median age at diagnosis 61y (29-88); 80% were stage IV de novo. Mean body mass index (BMI) was 24.7; 69%/27%/3% were adeno/squamous cell /large cell carcinoma. Median overall (OS) and progression free survival (PFS) were: 6.4 (OS) and 1.5 mos (PFS). Median follow-up time was 5.6 mos. 49% were sarcopenic at baseline; of 44 pts with BMI > =25, 41% were sarcopenic. Univariable analyses identified albumin, LDH, and arcopenia as being inversely associated with OS and PFS. Multivariable models showed that sarcopenia was independently associated with worse OS (aHR=1.74, 95%CI 1.06-2.86, p = 0.03), and worse PFS (aHR=1.95, 95%CI 1.10-3.44, p = 0.02). In 76 pts receiving chemotherapy at diagnosis, less total adiposity (VA+SA) showed a trend towards worse OS (aHR=0.99 95%CI 0.99-1.00 p = 0.07 as continuous variable).


Sarcopenia at baseline is inversely related with OS and PFS in MEC. Our MEC patients had a higher incidence of sarcopenic obesity compared to cancer populations in the literature (9%). Future studies are needed to better characterize muscle and adiposity underlying biological importance in MEC.

Clinical trial identification

Editorial acknowledgement

Legal entity responsible for the study

The authors.


Has not received any funding.


All authors have declared no conflicts of interest.

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