alexa Body composition, symptoms, and survival in advanced cancer patients referred to a phase I service.
Physicaltherapy & Rehabilitation

Physicaltherapy & Rehabilitation

International Journal of Physical Medicine & Rehabilitation

Author(s): Parsons HA, Baracos VE, Dhillon N, Hong DS, Kurzrock R

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Abstract BACKGROUND: Body weight and body composition are relevant to the outcomes of cancer and antineoplastic therapy. However, their role in Phase I clinical trial patients is unknown. METHODS: We reviewed symptom burden, body composition, and survival in 104 patients with advanced cancer referred to a Phase I oncology service. Symptom burden was analyzed using the MD Anderson Symptom Assessment Inventory(MDASI); body composition was evaluated utilizing computerized tomography(CT) images. A body mass index (BMI)≥25 kg/m² was considered overweight. Sarcopenia, severe muscle depletion, was assessed using CT-based criteria. RESULTS: Most patients were overweight (n = 65, 63\%); 53 patients were sarcopenic (51\%), including 79\% of patients with a BMI<25 kg/m² and 34\% of those with BMI≥25 kg/m². Sarcopenic patients were older and less frequently African-American. Symptom burden did not differ among patients classified according to BMI and presence of sarcopenia. Median (95\% confidence interval) survival (days) varied according to body composition: 215 (71-358) (BMI<25 kg/m²; sarcopenic), 271 (99-443) (BMI<25 kg/m²; non-sarcopenic), 484 (286-681) (BMI≥25 kg/m²; sarcopenic); 501 d (309-693) (BMI≥25 kg/m²; non-sarcopenic). Higher muscle index and gastrointestinal cancer diagnosis predicted longer survival in multivariate analysis after controlling for age, gender, performance status, and fat index. CONCLUSIONS: Patients referred to a Phase I clinic had a high frequency of sarcopenia and a BMI≥25 kg/m², independent of symptom burden. Body composition variables were predictive of clinically relevant survival differences, which is potentially important in developing Phase I studies.
This article was published in PLoS One and referenced in International Journal of Physical Medicine & Rehabilitation

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