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Objective: Breast cancer (BC) is the most frequent cancer among women. Many BC patients suffer from sleep problems, which have a negative impact on their quality of life (QoL). Our study aims to investigate sleep problems in BC patients treated with active chemotherapy or in remission in comparison with a healthy control group (HCG), given the importance of sleep disorders and QoL. Materials and Methods: A multicenter, cross-sectional study was conducted. Four different surveys including sociodemographic characteristics questionnaire, Pittsburgh sleep quality index (PSQI), hospital anxiety and depression scale and The European Organisation for Research and Treatment of Cancer core quality of life questionnaire (QLQ-C30) were used to collect study parameters. Results: Of 164 participants, the mean age was 42.0±11.7 years. Overall PSQI median score for all participants was 6 points (range, 3-9 points). PSQI median value was higher in cancer patients compared to the control group, which were 6 points (range, 4-9 points), and 4 points (range, 3-7 points), respectively (p=0.004). The mean depression score was 5 points (range, 3-8 points) in BC patients, and 4 points (range, 2-6 points) in HCGs, respectively (p=0.025). Having BC diagnosis was an independent factor increasing the risk of bad sleep quality in compared to healthy controls (odds ratio: 2.568, 95% confidence interval: 1.169-5.645; p=0.019). Conclusion: There was a close association between poor sleep quality, depression and QoL scores in patients with BC. In patients with breast cancer, appropriate management of associated comorbidities will aid a better quality of life in these patients. [ABSTRACT FROM AUTHOR]

Objectives: Pancreatic cancer (PC) is one of the cancers with the worst prognosis in the world. Despite protooncogenes such as BRCA and PALB2, effective, inexpensive, and simple methods for predicting the prognosis of patients with metastatic PC are still lacking. We aim to investigate whether mean platelet volume/platelet (MPV/PLT) and platelet indices such as MPV and plateletcrit (PCT) have a prognostic significance in patients with metastatic PC. Methods: Patients diagnosed with metastatic PC in 3 centers in Turkey between 2016 and 2022 were analyzed retrospectively. We recorded patient's demographic data such as age, gender, performance status and platelet, MPV and PCT. Overall survival (OS) and progression-free survival (PFS) were also recorded. There were 80 patients in our study. Results: Median PFS was found 6.2 months for MPV/PLT ratio <0.045 group and 6.3 months for MPV/PLT ratio >0.045 group retrospectively. The median PFS of the MPV/PLT ratio =0.045 groupwas shorter than MPV/PLT ratio >0.045 group, but there wasn't statistically meaningful difference between the groups (p:0,957). Median OS for the MPV/PLT ratio =0.045 groupwas 10.1 months and the MPV/PLT ratio for the >0.045 group was 9 months, but there wasn't statistically significant difference between the groups (p:0.506). There was nosurvival difference between the groups when comparing both MPV and PCT status. Conclusion: MPV/PLT ratio is a cheap, simple and useful marker and can be used in our daily practice to predict the prognosis of patients with advanced PC, if confirmed by prospective studies and larger patient numbers. [ABSTRACT FROM AUTHOR]