S Allison Staley1, Katherine Tucker2, Meredith Newton3, Michelle Ertel3, Jorge Oldan4, Irene Doherty5, Lindsay West2, Yingao Zhang6, Paola A Gehrig2. 1. Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, University of North Carolina, Chapel Hill, United States of America. Electronic address: astaley@unch.unc.edu. 2. Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, University of North Carolina, Chapel Hill, United States of America. 3. Department of Obstetrics and Gynecology, University of North Carolina, Chapel Hill, United States of America. 4. Department of Radiology, University of North Carolina, Chapel Hill, United States of America. 5. Julius L. Chambers Biomedical/Biotechnology Research Institute, North Carolina Central University, Durham, NC, United States of America. 6. School of Medicine, University of North Carolina, Chapel Hill, United States of America.
Abstract
OBJECTIVES: Severe skeletal muscle loss (sarcopenia) is associated with poor cancer outcomes, including reduced survival and increased treatment toxicity. Our goal was to evaluate if sarcopenia was associated with worse survival outcomes and chemotoxicity in EOC patients undergoing primary platinum and taxane-based chemotherapy. METHODS: EOC patients diagnosed between 06/2000 and 02/2017 who received treatment with platinum and taxane-based chemotherapy were included. CT abdominal images closest to the time of diagnosis were retrospectively evaluated for skeletal muscle area at the 3rd lumbar vertebrae. Measurements were obtained with use of TomoVision® radiological software (SliceOmatic - version 5.0, Quebec, Canada). Sarcopenia was defined as Skeletal Muscle Index (SMI) ≤ 41. Data analysis included Kaplan-Meier plots to assess survival, and unpaired t-tests were used to compare the means by groups. RESULTS: 201 EOC patients were evaluated. Sixty-four percent (128/201) met criteria for sarcopenia (SMI ≤ 41) at time of diagnosis. The mean overall survival did not differ between patients with SMI > 41 and SMI ≤ 41 (36.5 vs 40.8 months, p = 0.4, respectively). No difference in frequency of dose reduction, dose delay, hospital admissions, changes in regimen, blood transfusion, or toxicity was noted. There was no difference in distribution of toxicity grade. CONCLUSION: Sarcopenia was not associated with worse survival outcomes or chemotoxcity in EOC patients receiving first-line platinum and taxane-based chemotherapy in this cohort. Future prospective studies should focus on interventions to prevent or reverse sarcopenia and possibly increase ovarian cancer survival, performance status, and quality of life.
OBJECTIVES: Severe skeletal muscle loss (sarcopenia) is associated with poor cancer outcomes, including reduced survival and increased treatment toxicity. Our goal was to evaluate if sarcopenia was associated with worse survival outcomes and chemotoxicity in EOC patients undergoing primary platinum and taxane-based chemotherapy. METHODS: EOC patients diagnosed between 06/2000 and 02/2017 who received treatment with platinum and taxane-based chemotherapy were included. CT abdominal images closest to the time of diagnosis were retrospectively evaluated for skeletal muscle area at the 3rd lumbar vertebrae. Measurements were obtained with use of TomoVision® radiological software (SliceOmatic - version 5.0, Quebec, Canada). Sarcopenia was defined as Skeletal Muscle Index (SMI) ≤ 41. Data analysis included Kaplan-Meier plots to assess survival, and unpaired t-tests were used to compare the means by groups. RESULTS: 201 EOC patients were evaluated. Sixty-four percent (128/201) met criteria for sarcopenia (SMI ≤ 41) at time of diagnosis. The mean overall survival did not differ between patients with SMI > 41 and SMI ≤ 41 (36.5 vs 40.8 months, p = 0.4, respectively). No difference in frequency of dose reduction, dose delay, hospital admissions, changes in regimen, blood transfusion, or toxicity was noted. There was no difference in distribution of toxicity grade. CONCLUSION:Sarcopenia was not associated with worse survival outcomes or chemotoxcity in EOC patients receiving first-line platinum and taxane-based chemotherapy in this cohort. Future prospective studies should focus on interventions to prevent or reverse sarcopenia and possibly increase ovarian cancer survival, performance status, and quality of life.
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