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    Atezolizumab combined with chemotherapy in the first-line treatment of extensive-stage small cell lung cancer: A real-life data of the Turkish Oncology Group
    (Springer, 2022) Gürbüz, Mustafa; Kutlu, Yasin; Akkuş, Erman; Köksoy, Elif Berna; Köse, Naziyet; Öven, Bala Başak; Uluç, Başak Oyan; Demiray, Atike Gökçen; Erdem, Dilek; Demir, Bilgin; Turhal, Nazım Serdar; Uskent, Necdet; Akbaş, Sinem; Selçukbiricik, Fatih; İnal, Ali; Bilici, Ahmet; Kılıçkap, Saadettin
    Purpose Atezolizumab has been shown to be efective and safe in randomized trial in the frst-line treatment of extensivestage small cell lung cancer (SCLC). However, there are limited real-life data on atezolizumab. In this study, we aimed to determine the real-life efcacy and safety of atezolizumab combined with chemotherapy in the frst-line treatment of extensive-stage SCLC. Methods This trial is a retrospective multicenter study of the Turkish Oncology Group, which included extensive-stage SCLC patients who received atezolizumab combined with chemotherapy in a frst-line treatment. The characteristics of the patients, treatment and response rates, and PFS and OS are presented. Factors associated with PFS and OS were analyzed by univariate and multivariate analysis. Results A total of 213 patients at the 30 oncology centers were included. The median number of chemotherapy cycle was 5 (1–8) and atezolizumab cycle was 7 (1–32). After median 11.9 months of follow-up, median PFS and OS was 6.8 months (95%CI 5.7–7.8), and 11.9 months (95%CI 11–12.7), respectively. The ORR was 61.9%. ECOG-PS (p=0.002) and number of metastatic sites (p=0.001) were associated with PFS and pack-year of smoking (p=0.05), while ECOG-PS (p=0.03) and number of metastatic sites (p=0.001) were associated with OS. Hematological side efects were common and toxicities were manageable. Conclusion This real-life data confrm the efcacy and safety of atezolizumab in combination with chemotherapy in frstline treatment of extensive-stage SCLC.
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    The efficacy of palbociclib and ribociclib in the first-line treatment of metastatic hormone receptor-positive, human epidermal growth factor receptor 2-negative breast cancer in male patients: a Turkish oncology group (TOG) study
    (Springer Japan Kk, 2024) Yildirim, Hasan Cagri; Kutlu, Yasin; Mutlu, Emel; Aykan, Musa Baris; Korkmaz, Mustafa; Yalcin, Selim; Sakalar, Teoman
    IntroductionMale breast cancer, comprising approximately 1% of all breast cancer cases, often leads to the exclusion of male patients as a criterion in clinical trials. While the efficacy of Cyclin-dependent kinases 4 and 6 (CDK 4/6) inhibitors has been established in metastatic hormone receptor-positive (HR +) and human epidermal growth factor receptor 2-negative (HER2 -) breast cancer in women, limited data exist on their effectiveness in male patients.We aimed to evaluate the efficacy and safety of palbociclib or ribociclib in male patients with breast cancer.IntroductionMale breast cancer, comprising approximately 1% of all breast cancer cases, often leads to the exclusion of male patients as a criterion in clinical trials. While the efficacy of Cyclin-dependent kinases 4 and 6 (CDK 4/6) inhibitors has been established in metastatic hormone receptor-positive (HR +) and human epidermal growth factor receptor 2-negative (HER2 -) breast cancer in women, limited data exist on their effectiveness in male patients.We aimed to evaluate the efficacy and safety of palbociclib or ribociclib in male patients with breast cancer.MethodsThis study is a multicenter, retrospective study. We included male patients with HR + and HER2-metastatic breast cancer who received palbociclib or ribociclib as first-line treatment. Our primary endpoints were progression-free survival (PFS), overall response rates (ORR), and drug-related adverse effects.ResultsA total of 46 male patients from 27 institutions were enrolled. The median age at initiation of CDK 4/6 inhibitors was 63.64 +/- 13.69 years, with a median follow-up of 21.33 (95% CI 14.92-27.74) months. The ORR were 84% for palbociclib and 76.2% for ribociclib. The mPFS for the entire cohort was 28.06 months (95% CI 18.70-37.42). No significant difference in PFS was observed between palbociclib and ribociclib (mPFS: 24.46 months (95% CI 11.51-37.42) vs 28.33 months (95% CI 14.77-41.88), respectively, p = 0.211). No new adverse events were reported.DiscussionThis study demonstrates that palbociclib and ribociclib are effective and safe options for first-line treatment in male patients with HR + /HER2 - metastatic breast cancer. However, further prospective studies are warranted to establish their efficacy in this population.
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    Real-world data on efficacy and safety of first-line alectinib treatment in advanced-stage, alk-positive non-small-cell lung cancer patients: A turkish oncology group study
    (Atypon, 2022) Hızal, Mutlu; Bilgin, Burak; Paksoy, Nail; Kılıçkap, Saadettin; Atcı, Muhammed Mustafa; Kahraman, Seda; Ayhan, Murat; Tural, Deniz; Yaman, Şebnem; Kutlu, Yasin; Korkmaz, Mustafa; Aksoy, Asude; Arak, Hacı; Korkmaz, Taner; Ak, Naziye; Akdeniz, Nadiye; Sakin, Abdullah; Fulden Yumuk, Perran
    Aims: In this multicenter study, the authors aimed to determine the real-life efficacy and safety of first-line alectinib. Materials & methods: This retrospective trial included advanced-stage, ALK-positive non-small-cell lung cancer patients who were treated with first-line alectinib in terms of ALK-tyrosine kinase inhibitors, regardless of previous chemotherapy. The co-primary end points were progression-free survival both for all patients and for the treatment-naive population. The secondary end points were overall response rate, overall survival, rate of CNS progression and safety. Results & conclusion: A total of 274 patients (n = 177 for treatment-naive patients) were enrolled in the study. The median progression-free survival was 26 and 28.8 months for all patients and the treatment-naive group, respectively. The overall response rate, CNS progression rate and 1-year overall survival ratio were 77.9, 12.4 and 77%. Alectinib is a highly effective therapy with a favorable safety profile.