Person: BAŞOĞLU TÜYLÜ, TUĞBA
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BAŞOĞLU TÜYLÜ
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TUĞBA
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Publication Open Access Role of baseline Ga-68-PSMA PET/CT-derived whole-body volumetric parameters in predicting survival outcomes of metastatic castration-resistant prostate cancer patients receiving first-line treatment(2022-08-01) AKIN TELLİ, TUĞBA; ÖZGÜVEN, SALİH; FİLİZOĞLU, NUH; ÖZTÜRK, MEHMET SAADEDDİN; ARIKAN, RUKİYE; DEMİRCAN, NAZIM CAN; BAŞOĞLU TÜYLÜ, TUĞBA; ALSAN ÇETİN, İLKNUR; ÖNEŞ, TUNÇ; DANE, FAYSAL; YUMUK, PERRAN FULDEN; AKIN TELLİ T., ÖZGÜVEN S., Alan O., Filizoglu N., ÖZTÜRK M. S. , Sariyar N., Isik S., Arikan R., DEMİRCAN N. C. , BAŞOĞLU TÜYLÜ T., et al.Objective We aimed to evaluate whether baseline Ga-68-PSMA PET/CT-derived whole-body volumetric parameters could be used as predictive biomarkers for survival in metastatic castration-resistant prostate cancer (mCRPC) patients receiving first-line treatment. Materials and methods This retrospective study included 54 mCRPC patients, who underwent baseline Ga-68-PSMA PET/CT imaging within 1 month before starting first-line treatment. Pre-treatment prostate-specific antigen (PSA) levels and treatments were recorded. SUVmax, SUVmean, whole-body PSMA-derived tumor volume (wbPSMA-TV), and whole-body total lesion PSMA (wbTL-PSMA) were calculated for all patients. PSA response was defined as a decline of >= 50% from pre-treatment value at 12 weeks. Overall survival (OS) was measured from the start of the first-line treatment for mCRPC. Results Docetaxel and abiraterone/enzalutamide were administered to 32 and 22 patients in the first-line setting, respectively. wbPSMA-TV (rho = 0.582, p = 0.004) and wbTL-PSMA (rho = 0.564, p = 0.007) showed moderate positive correlations with PSA levels. Older age (p = 0.02), higher wbPSMA-TV (p = 0.007), higher PSA (p = 0.01), higher number of bone metastases (p = 0.02), and lack of PSA response (p = 0.03) were significantly associated with an increased risk of mortality. Multivariate analysis determined wbPSMA-TV (HR: 1.003, 95% CI 1.001-1.004, p = 0.001) and PSA response (HR: 2.241, 95% CI 1.189-4.222, p = 0.01) as independent predictors of OS. Conclusion The wbPSMA-TV may be a useful tool to reflect tumor burden and predict survival outcomes in patients with mCRPC.Publication Metadata only Real-world assessment of quality-of-life in patients with breast cancer treated with adjuvant endocrine therapy(2022-07-01) ARIKAN, RUKİYE; BAŞOĞLU TÜYLÜ, TUĞBA; DANE, FAYSAL; YUMUK, PERRAN FULDEN; KÖSTEK, OSMAN; AKIN TELLİ T., ÖZTÜRK M. S., Alan O., Hasanov R., KÖSTEK O., Arikan R., BAŞOĞLU TÜYLÜ T., Kaya S., Ercelep O., Babacan N. A., et al.Objective: The aim of this study was to investigate quality-of-life (QoL) in breast cancer (BC) patients treated with adjuvant endocrine therapy (AET). Methods: We designed a cross-sectional study of 233 BC patients treated with AET and used the Functional Assessment of Cancer Therapy - Breast questionnaire. Results: No significant difference was observed between endocrine agents. Duration of AET did not affect QoL. In the entire cohort, multivariate analysis determined age (p = 0.034) and switching treatment from tamoxifen to aromatase inhibitors (p = 0.049) as significant positive coefficients of QoL, while comorbidity (p = 0.072) tended to be associated with lower scores. Education level (p = 0.001) and chemotherapy (p = 0.04) were significant predictors of QoL in the tamoxifen group, while comorbidity (p = 0.04), surgery type (p = 0.02), radiotherapy (p = 0.006) and stage (p = 0.009) had a significant impact on QoL in aromatase inhibitors group. Conclusion: Evaluating the well-being of BC patients by QoL questionnaires is of great importance to identify particular subgroups that may require supportive care.Publication Open Access Association of Pre-treatment Sarcopenia with Side Effects and Prognosis in Non-small Cell Lung Cancer Patients Receiving Erlotinib(2022-08-01) DEMİRCAN, NAZIM CAN; ENGÜR, CEREN ÖZGE; AKIN TELLİ, TUĞBA; BAŞOĞLU TÜYLÜ, TUĞBA; ARIKAN, RUKİYE; ÖZGÜVEN, SALİH; DANE, FAYSAL; KAYA, HANDAN; ÖNEŞ, TUNÇ; YUMUK, PERRAN FULDEN; DEMİRCAN N. C. , ENGÜR C. Ö. , AKIN TELLİ T., BAŞOĞLU TÜYLÜ T., Arikan R., Yasar A., Celebi A., Alan O., Isik S., ÖZGÜVEN S., et al.OBJECTIVE We investigated the relationship of baseline sarcopenia with toxicities, treatment response, and survival in patients who had non-small cell lung cancer (NSCLC) harboring an epidermal growth factor receptor (EGFR) mutation and received erlotinib.METHODS Computed tomography images from PET/CT scans before erlotinib treatment were retrospectively assessed. Skeletal muscle index, calculated as skeletal muscle area at third lumbar vertebra level/square of height, was used to define sarcopenia with < 52.4 cm2/m2 for males and < 38.5 cm2/m2 for females. Cox hazard models were conducted to determine predictors of survival.RESULTS The study included 30 patients, and 11 (36.7%) were sarcopenic. All-grade and Grade 3 toxicities were more frequent in sarcopenic group, although it was statistically insignificant (81.8% vs. 63.2%, p=0.282 for all-grade, and 18.2% vs. 10.5%, p=0.552 for grade 3). Response rates were 63.6% in sarcopenic and 68.4% in non-sarcopenic patients (p=0.789). Median progression-free survival was 7.9 and 9.2 months in sarcopenic and non-sarcopenic cases, respectively (p=0.561). However, median overall survival (OS) of sarcopenic patients was significantly shorter than non-sarcopenic ones (11.8 vs. 30.2 months, p=0.023), and sarcopenia predicted OS independently in multivariate analysis (Hazard ratio=2.63, p=0.029).CONCLUSION Early recognition, treatment, and prevention of sarcopenia may improve long-term survival in EGFRmutant NSCLC patients treated with first-line erlotinib.