Abstract
The clinical significance of increased skeletal muscle mass during nab-paclitaxel plus gemcitabine (AG) treatment in patients with advanced pancreatic cancer (APC) remains unknown. Therefore, we retrospectively investigated the characteristics of patients after AG treatment to evaluate the clinical significance of increased skeletal muscle mass during treatment. From January 2015 to August 2021, 67 patients with APC received AG as first-line chemotherapy at Higashiosaka City Medical Center. Of these patients, 39 received second-line (2L) chemotherapy after AG therapy, and 28 received best supportive care. Patients' characteristics at the end of AG treatment were compared retrospectively between these 2 groups, and the relevant factors at the end of first-line treatment for 2L chemotherapy induction were analyzed. A performance status of 0 to 1 and increased skeletal muscle mass during AG therapy were independently associated with 2L chemotherapy induction in multivariate analysis. A high relative dose intensity (≥50%) in the first 8 weeks of AG treatment was more frequently found in patients with increased skeletal muscle mass during treatment ( P = 0.037). Increased skeletal muscle mass during AG treatment might contribute to the higher prevalence of 2L chemotherapy induction in patients with APC.
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