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Objective: Sarcopenia is a frequent disorder among cancer patients. It commonly leads to muscle mass wasting and poor clinical outcomes, even though it is rarely recognized and often undertreated. The relationship between skeletal muscle depletion and chemotherapy toxicity or postoperative complications is well known. The aim of the present study was to analyze the impact of sarcopenia on clinical outcomes of pretreated metastatic gastric cancer (GC) patients. Patients and methods: 88 pretreated GC patients were retrospectively analyzed. Patients were divided into two groups according to their skeletal mass index (SMI): sarcopenic patients with low SMI (≤39 cm2/m2 for women and ≤55 cm2/m2 for men) and non-sarcopenic patients with normal/high SMI value. The two groups were compared according to outcomes and adverse events. Results: Progression-free survival (PFS) was significantly higher in patients with normal/high SMI than in those with low SMI (6 vs. 3.5 months, respectively; HR 0.52). Similarly, the overall response rate (ORR) was higher in the subgroup with normal/high SMI (41% vs. 20%; p=0.02). Overall survival (OS) was not significantly different, but multivariate analysis demonstrated that both SMI and performance status were associated with OS. In the sarcopenic group, the patients treated in the second line with paclitaxel and ramucirumab regimen showed a better outcome profile. Overall, adverse events (AEs) were more frequent in the group of patients with low SMI (p<0.0001). Conclusions: Early recognition of sarcopenia may contribute to personalizing second or further lines of treatment in advanced GC and to weigh up the potential risk of serious toxicities.

Background: The implementation of multidisciplinary tumor board (MDTB) meetings significantly ameliorated the management of oncological diseases. However, few evidences are currently present on their impact on pancreatic cancer (PC) management. The aim of this study was to evaluate the impact of the MDTB on PC diagnosis, resectability and tumor response to oncological treatment compared with indications before discussion. Patients and methods: All patients with a suspected or proven diagnosis of PC presented at the MDTB from 2017 to 2019 were included in the study. Changes of diagnosis, resectability and tumor response to oncological/radiation treatment between pre- and post-MDTB discussion were analyzed. Results: A total of 438 cases were included in the study: 249 (56.8%) were presented as new diagnoses, 148 (33.8%) for resectability assessment and 41 (9.4%) for tumor response evaluation to oncological treatment. MDTB discussion led to a change in diagnosis in 54/249 cases (21.7%), with a consequent treatment strategy variation in 36 cases (14.5%). Change in resectability was documented in 44/148 cases (29.7%), with the highest discrepancy for borderline lesions. The treatment strategy was thus modified in 27 patients (18.2%). The MDTB brought a modification in the tumor response assessment in 6/41 cases (14.6%), with a consequent protocol modification in four (9.8%) cases. Conclusions: MDTB discussion significantly impacts on PC management, especially in high-volume centers, with consistent variations in terms of diagnosis, resectability and tumor response assessment compared with indications before discussion.