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Öğe Crizotinib efficacy and safety in patients with advanced NSCLC harboring MET alterations: A real-life data of Turkish Oncology Group(NLM (Medline), 2022) Gürbüz, Mustafa; Kılıçkap, Saadettin; Bilici, Ahmet; Karadurmuş, Nuri; Sezer, Ahmet; Şendur, Mehmet Ali Nahit; Paydaş, Semra; Artaç, Mehmet; Fulden Yumuk, Perran; Gürsoy, Pınar; Uysal, Mükremin; Şenol Coşkun, Hasan; Tatlı, Ali Murat; Selçukbiricik, Fatih; Dişel, Umut; Köksoy, Elif Berna; Güven, Deniz Can; Uğraklı, Muzaffer; Akkuş, Erman; Yücel, Şebnem; Erol, Cihan; Karakaya, Serdar; Şakalar, Teoman; Khanmammadov, Nijat; Paksoy, Nail; Demirkazık, AhmetCrizotinib is a multikinase inhibitor, effective in non-small cell lung cancer (NSCLC) harboring mesenchymal-epidermal transition (MET) alterations. Although small prospective studies showed efficacy and safety of crizotinib in NSCLC with MET alterations, there is limited real-life data. Aim of this study is to investigate real-life efficacy and safety of crizotinib in patients with advanced NSCLC harboring MET alterations. This was a retrospective, multicenter (17 centers) study of Turkish Oncology Group. Patients' demographic, histological data, treatment, response rates, survival outcomes, and toxicity data were collected. Outcomes were presented for the study population and compared between MET alteration types. Total of 62 patients were included with a median age of 58.5 (range, 26-78). Major histological type was adenocarcinoma, and 3 patients (4.8%) had sarcomatoid component. The most common MET analyzing method was next generation sequencing (90.3%). MET amplification and mutation frequencies were 53.2% (n?=?33) and 46.8% (n?=?29), respectively. Overall response rate and disease control rate were 56.5% and 74.2% in whole study population, respectively. Median progression free survival (PFS) was 7.2 months (95% confidence interval [CI]: 3.8-10.5), and median overall survival (OS) was 18.7 months (95% CI: 13.7-23.7), regardless of treatment line. Median PFS was 6.1 months (95% CI: 5.6-6.4) for patients with MET amplification, whereas 14.3 months (95% CI: 6.7-21.7) for patients with MET mutation (P?=?.217). Median PFS was significantly longer in patients who have never smoked (P?=?.040), have good performance score (P?Öğe Efficacy and safety of folfiri plus aflibercept in second-line treatment of metastatic colorectal cancer: Real-life data from Turkish oncology group(NLM (Medline), 2022) Erol, Cihan; Şendur, Mehmet Ali Nahit; Bilgetekin, İrem; Bayır Garbioğlu, Duygu; Hamdard, Jamshid; Akbaş, Sinem; Hizal, Mutlu; Arslan, Çağatay; Sevinç, Alper; Küçükarda, Ahmet; Erdem, Dilek; Kahraman, Seda; Çakır, Emre; Demirkıran, Aykut; On, Sercan; Doğan, İzzet; Erdoğan, Atike Pınar; Koca, Sinan; Kubilay, Pınar; Eren, Orhan Önder; Çılbır, Ebru; Çelik, Emir; Araz, Murat; Tataroğlu Özyükseler, Deniz; Yıldırım, Mahmut Emre; Bahçeci, Aykut; Taşkaynatan, Halil; Oyman, Abdilkerim; Deniz, Gülhan İpek; Menekşe, Serkan; Kut, Engin; Gülmez, Ahmet; Sakin, Abdullah; Nayır, Erdinç; Acar, Ramazan; Şen, Erdem; İnal, Ali; Turhal, Serdar; Kaya, Ali Osman; Paydaş, Semra; Taştekin, Didem; Hacıbekiroğlu, İlhan; Çinçin, İrfan; Bilici, Ahmet; Mandel, Nil Molinas; Şener Dede, Didem; Akıncı, Muhammed Bülent; Öksüzoğlu, Berna; Uncu, Doğan; Yalçın, Bülent; Artaç, MehmetAims: The addition of aflibercept to the fluorouracil and irinotecan (FOLFIRI) regimen significantly improved clinical outcomes in patients with metastatic colorectal cancer (CRC) previously treated with oxaliplatin. We aimed to investigate the efficacy and safety of second-line FOLFIRI and aflibercept combination in patients with metastatic CRC in real-life experience. Materials and Methods: Four hundred and thirty-three patients who treated with FOLFIRI and aflibercept in the second-line were included in the study. The clinical and pathological features of the patients were recorded retrospectively. Survival (overall and progression-free survival [PFS]), response rates, and safety data were analyzed. Results: The median age was 61. Majority of patients (87.5%) received first-line bevacizumab and 10.1% of patients received anti-epidermal growth factor receptor agents. About 80% of patients had KRAS, 18.6% of patients had NRAS, and 6.4% of patients had BRAF mutations. The median OS was 11.6 months (95% confidence interval [CI], 10.6-12.6) and the median PFS was 6 months (95% CI, 5.5-6.5). About 4.6% of patients had complete response and 30.6% of patients had partial response as best tumor response. Grade 1-2 toxicities were seen in 33.4% of patients, while grade 3-4 toxicities were recorded in 27% of patients. Eight patients (2%) died due to treatment toxicity. Conclusions: Overall and PFS were similar in routine clinical practice compared to phase III pivotal VELOUR trial. However, response rates were found to be higher. It was observed that there were fewer adverse events compared to the VELOUR trial.Öğe Pazopanib in metastatic soft tissue sarcoma (STS): Results of a multi-institutional observational study(Lippincott Williams and Wilkins, 2022) Bilici, Ahmet; Koca, Sinan; Karaağaç, Mustafa; Eraslan, Emrah; Ocak, Birol; Göktaş Aydın, Sabin; Göksu, Sema Sezgin; Paydaş, Semra; Derin, Sümeyye; Ergün, Yakup; Yekegündüz, Emre; Erol, Cihan; Tataroğlu Özyükseler, Deniz; Demiray, Atike Gökçen; Karaca, Mustafa; Güç, Zeynep Gülsüm; Menekşe, Serkan; Çınkır, Havva Yeşil; Gümüşay, Özge; Sakin, Abdullah[Abstract Not Available]Öğe The comparison of FOLFOX regimens with different doses of 5-FU for the adjuvant treatment of colorectal cancer: A multicenter study(Springer, 2021) Akdeniz, Nadiye; Kaplan, Muhammet Ali; Uncu, Doğan; İnanç, Mevlüde; Kaya, Serap; Dane, Faysal; Küçüköner, Mehmet; Demirci, Ayşe; Bilici, Mehmet; Gök Durnalı, Ayşe; Koral, Lokman; Şendur, Mehmet Ali Nahit; Erol, Cihan; Türkmen, Esma; Ölmez, Ömer Fatih; Açıkgöz, Özgür; Laçin, Şahin; Şahinli, Hayriye; Urakçı, Zuhat; Işıkdoğan, AbdurrahmanPurpose We aim to compare the efficiency and toxicity of three different 5-fluorouracil (5-FU) administration types in 5-FU, leucovorin, and oxaliplatin (FOLFOX) combination treatment for adjuvant therapy in colorectal cancer (CRC). Methods Five hundred and seventy patients with stage III colorectal carcinoma who received different FOLFOX regimens after curative resection were included. Patients were divided into three groups as FOLFOX-4, modified FOLFOX-6 (mFOLFOX-6), and mFOLFOX-4 for comparison of toxicity and disease-free survival (DFS) and overall survival (OS) times. Results Three-year DFS rates for FOLFOX-4, mFOLFOX-6, and mFOLFOX-4 groups were 65%, 72%, and 72%, respectively. Five-year OS rates for FOLFOX-4, mFOLFOX-6, and mFOLFOX-4 groups were 69%, 75%, and 67%, respectively. There was no statistically significant difference between the three treatment groups in terms of DFS and OS (p = 0.079, and p = 0.147, respectively). Among grade 1-2 adverse events (AE), thrombocytopenia, neuropathy, and stomatitis were more common in the mFOLFOX-6-treated group. The frequency of grade 1-2 nausea and vomiting were similar in mFOLFOX-6 (36.3% and 24%, respectively) and mFOLFOX-4 (32.4% and 24.7%, respectively) groups but were higher than that in the FOLFOX-4 (19.5% and 11.3%, respectively) group. Among the most common grade 3-4 AE, neutropenia (53.4%, 9%, and 13.5%, respectively) and diarrhea (10.5%, 2.2%, and 2.4, respectively) were more common in FOLFOX-4. The rate of anemia and febrile neutropenia was similar in treatment groups (p = 0.063, and p = 0.210, respectively). Conclusion In the adjuvant treatment of stage III CRC patients, three different 5-FU administration types in FOLFOX combination treatment can be used with similar efficiency and manageable toxicity.Öğe The real-life efficacy and safety of osimertinib in pretreated advanced non-small cell lung cancer patients with T790M mutation: A Turkish Oncology Group Study(Springer, 2022) Hızal, Mutlu; Bilgin, Burak; Paksoy, Nail; Açıkgöz, Özgür; Sezer, Ahmet; Gürbüz, Mustafa; Ak, Naziye; Yücel, Şebnem; Ayhan, Murat; Erol, Cihan; Demirkıran, Aykut; Mandel, Nil Molinas; Shbair, Abdallah; Gökmen, İvo; Başoğlu, Tuğba; Paydaş, Semra; Demiray, Atike Gökçen; İriağaç, Yakup; Şakalar, Teoman; Zeynelgil, Esra; Tatlı, Ali Murat; Bahçeci, Aykut; Güven, Deniz Can; Caner, Burcu; Can, Alper; Gülmez, Ahmet; Karakaş, Yusuf; Yalçın, Bülent; Demirkazık, Ahmet; Bilici, Ahmet; Aydıner, Adnan; Yumuk, Perran Fulden; Şendur, Mehmet Ali NahitIntroduction Osimertinib, an irreversible third-generation EGFR-TKI, is the standard of care for second-line treatment of T790M-mutant advanced NSCLC patients whose disease progressed after first-line EGFR-TKI therapy. In this multicenter study, we aimed to determine the real-life efficacy and safety of Osimertinib in pretreated advanced NSCLC patients with T790M mutation. Materials and methods This retrospective trial included advanced T790M-mutant pretreated NSCLC patients who received Osimertinib from 24 different centers in Turkey. Primary endpoint was time-to-treatment discontinuation (TTD). Secondary endpoints were objective response rate (ORR), overall survival (OS), and safety. Results Of 163 patients, 68.7% had EGFR exon 19 deletion and 22.7% had exon 21 L858R mutation. Osimertinib was given as second-line treatment in 96 patients (58.9%) and third-line in 48 patients (29.4%). After median of 13-month follow-up, median TTD was 21.6 months with an 82.2% ORR. Estimated median OS was 32.1 months. Grade 3-4 adverse events were seen in 11.7% of the patients. Conclusion Osimertinib is a highly effective option in second- or third-line treatment of NSCLC patients with T790M mutation, with a favorable safety profile.
