Mustafa Ondzhel
- 4.6 Eccellente • 473 recensioni
- 24 anni di esperienza
- Turkey, Istanbul, Medipol Mega University Hospital
Professor of oncosurgery and proctology
Professor of oncosurgery and proctology
Fields of Study and Interests
Breast Cancer
Lung Cancer
Colon Cancer
Stomach Cancer
Rectum Cancer
Ovarian Cancer
Uterine Cancer
Liver Cancer
Esophageal Cancer - Esophagus Cancer
Kidney Cancer
Larynx Cancer - Throat Cancer
Thyroid Cancer
Head and Neck Cancers
Gynecological Cancers
Pancreatic Cancer
Esophageal Cancer - Esophagus Cancer
Uterine Cancer
Brain Cancers - Brain Tumors
Soft Tissue Cancer - Sarcomas
Prostate Cancer
Bladder Cancer
Bile Duct Cancer
Testicular Cancer
Cervical Cancer
Mouth, Tongue, Lip Cancers
Gastrointestinal System Cancers
Bone Tumors
Trachea and Bronchial Cancers
Skin Cancers - Skin Cancers
Skeletal System Tumors
Gallbladder Cancer
Mesothelioma
Education
Cumhuriyet University Faculty of Medicine, 2004
Istanbul Haydarpaşa Education and Research Hospital Internal Medicine Specialist, 2010
Karadeniz Technical University Faculty of Medicine Medical Oncology Specialist, 2015
Career
MD Andeson Cancer Center, USA, 2008
Sunnybrook Odette Cancer Center Breast Cancer Clinic, Canada, 2017
Moffit Cancer Center, USA 2022
Istanbul Haydarpaşa Education and Research Hospital Internal Medicine, 2010
İdil State Hospital Internal Medicine Clinic, 2011
Karadeniz Technical University Faculty of Medicine Medical Oncology Clinic, 2015
Istanbul Göztepe Education and Research Hospital Medical Oncology Clinic, 2018
Yeniyüzyıl University Gaziosmanpaşa Hospital Medical Oncology Clinic, 2020
Ataşehir Medicana Hospital, Medical Oncology Clinic, 2022
Dr. Saban Sec is a medical oncologist with experience at leading hospitals, including Haseki Training and Research Hospital, Prof. Dr. Cemil Taşcıoğlu City Hospital, and Bahçelievler Medikalpark Hospital. He currently represents specialist physicians in the Turkish Medical Oncology Association. He is also a member of the Istanbul Medical Chamber and the Turkish Medical Oncology Association.
Dr. Sec treats breast, lung, gastrointestinal, prostate, urogenital, head and neck cancers, as well as sarcomas and rare tumors. He has published many peer-reviewed articles on cancer prognosis, treatment outcomes, and survival rates. His research includes studies with large patient groups, such as 138 patients with HER2-positive metastatic gastric cancer. Dr. Sec focuses on prognostic factors and treatment responses in different cancers. He is dedicated to improving cancer care.
Medical Oncology
Fields of Study and Interests
Gastrointestinal System (GI) Cancer
Cancer Vaccines
Breast Cancers
Lung Cancer
Rare Cancers
Education
MD: Necmettin Erbakan University Meram Faculty of Medicine, 1994
Internal Medicine Specialist Training: Atatürk University Faculty of Medicine, 2004
Internal Medicine Specialist Training: Kafkas University Faculty of Medicine, 2007
Medical Oncology Sub-Specialist Training: Selçuk University Faculty of Medicine, 2010
Medical Oncology Sub-Specialist Training: Istanbul University Oncology Institute, 2013
Career
Assistant Professor: Atatürk University Faculty of Medicine, 2005
Assist. Prof. Dr.: Kafkas University, 2006-2007
Minor Assistant Professor: Selçuk University – Medical Oncology, 2007-2010
Minor Assistant Professor: Istanbul University Oncology Institute – Medical Oncology,
2012-2013
Specialist Professor: Istanbul University Oncology Institute – Medical Oncology, 2013-2017
Assoc. Prof. Dr.: Istanbul University Oncology Institute – Medical Oncology, 2017-2023
Prof. Dr.: Istanbul University Oncology Institute – Medical Oncology, 2023-present
Associate Professor Dr. Yusuf AÇIKGÖZ
Specialization: Medical Oncology
Education:
Professional Experience:
Clinical Trials, Courses, Certifications:
Clinical Trials:
Courses:
Certifications:
Memberships:
Assoc. Prof. Atakan Topçu, M.D., is a medical oncologist at Medipol University and Medipol Acıbadem Regional Hospital. He treats solid tumors, including lung, breast, colorectal, gastric, and neuroendocrine cancers. His work also covers targeted therapies, immunotherapy, geriatric oncology, and cancer-related malnutrition, cachexia, and sarcopenia.
He has authored more than 50 peer-reviewed papers. Recent work includes a 2024 Frontiers in Medicine study on geriatric syndromes and a 2023 Future Oncology paper on sarcopenia and anxiety in lung cancer. He has also published on the CONUT score in breast cancer and on malnutrition in HER2-negative metastatic gastric cancer.
Dr. Topçu serves on the Editorial Board of BMC Cancer. He is a member of the Turkish Society of Medical Oncology, ESMO, and the Turkish Geriatrics Society. Education and training: M.D., Uludağ University; residency in Internal Medicine, Marmara University; fellowship in Medical Oncology, Bezmialem Vakıf University.
Dr. Ercan Ozden is a specialist in internal medicine and medical oncology. He earned his medical degree and completed his residency at Istanbul University, Cerrahpaşa Faculty of Medicine. He later received a subspecialty in medical oncology at Kocaeli University Faculty of Medicine from 2016 to 2020.
Dr. Ozden has worked in medical oncology at Şırnak State Hospital. He has also served as an internal medicine specialist at Bağcılar Private Safa Hospital and Küçükçekmece Batı Bahat Hospital. He has extensive clinical experience in both internal medicine and oncology.
PROFESSIONAL EXPERIENCE
2011-2012
Erzurum Koprukoyu State Hospital
Department: General Medicine
2012-2017
Istanbul University Cerrahpaşa Medical Faculty
Department: Internal Medicine
06/2017-10/2017
Istanbul Gaziosmanpasa Taksim Training and Research Hospital
Department: Internal Medicine
10/2017-11/2018
Istanbul University Istanbul Medical Faculty
Department: Allergy and Immunology Fellowship
2018/2022
Istanbul University Oncology Institute
Department: Medical Oncology Fellowship
2022-2023
Tekirdag City Hospital
Department: Medical Oncology Specialist
2023-present
Istanbul Medipol University Medipol Bahcelievler Private Hospital
Department: Medical Oncology Assoc. Prof.
EDUCATION
2005-2011
Medical Education
Sivas Cumhuriyet University Medical Faculty, Sivas, Turkey
2012-2017
Internal Medicine
Istanbul University Cerrahpaşa Medical Faculty, Department of Internal Medicine, Istanbul, Turkey
2017-2018
Allergy-Immunology Fellowship
Istanbul University Istanbul Medical Faculty
Department of Internal Medicine, Division of Allergy and Immunology, Istanbul, Turkey
2018-2022
Medical Oncology Fellowship
Istanbul University Oncology Institute, Department of Medical Oncology, Istanbul, Turkey
2022
ESMO Board Certification in Medical Oncology
10th September 2022 in Paris, France.
2023
Medical Oncology Assoc. Prof.
Istanbul Medipol University Department of Medical Oncology, Istanbul, Turkey
INTERNATIONAL CLINICAL TRIALS:
1. Astefania - ROCHE
2. PFİZER
3. RECITE - AMGEN
4. NAVIGATE - BAYER
5. RUBY - Tesaro (PRA)
6. ENGOT-ov43/GOG-3036 - MSD
7. ASTRA ZENECA
8. ROSY-O - ASTRA ZENECA
INTERNATIONAL PUBLICATIONS
I. Published journal articles indexed by SCI, SSCI, and AHCI
Weekly Paclitaxel in Classic Kaposi Sarcoma
Carboplatin Desensitization in Ovarian Carcinoma
High-Dose Chemotherapy for Ewing’s Sarcoma
Multidrug Refractory TFE3(+) Renal Cell Carcinoma
Crizotinib Efficacy in NSCLC with MET Alterations
Clinicopathological Features in ALK Mutant NSCLC
PSMA-Based Tumor Burden in Prostate Cancer
Atezolizumab in Metastatic Urothelial Carcinoma
Pulmonary Sarcomatoid Carcinoma
Prognostic Factors in Atezolizumab-Treated Urothelial Carcinoma
Atezolizumab with Chemotherapy in Small Cell Lung Cancer
FOLFIRINOX vs. Gemcitabine + Nab-Paclitaxel in Pancreatic Cancer
Trastuzumab Emtansine in Older HER2-Positive Breast Cancer Patients
Real-Life Efficacy of Osimertinib in Advanced NSCLC
ALK-Positive Cells Percentage and Alectinib Efficacy
Real-World Data on Alectinib in ALK-Positive NSCLC
Prognostic Factors in Metastatic RCC with T790M Mutation
FLOT Regimen in Metastatic Gastric Cancer
Desensitization Protocol in Lenalidomide Hypersensitivity Reactions
Factors Associated with Diagnostic Skin Test Positivity in PPI Hypersensitivity
Efficacy of Capecitabine and Temozolomide in Neuroendocrine Tumors
Subsequent Treatments in Hormone-Positive Breast Cancer Progression
Termination of Trastuzumab in HER2-Positive Metastatic Breast Cancer
Long-term Outcomes and Predictors of Recurrence in Node-Negative Early Stage Breast Cancer
Prognostic Factors Influencing PFS in HER2-Positive Metastatic Breast Cancer
Treatment Efficacy of Ribociclib or Palbociclib plus Letrozole in Metastatic Breast Cancer
Efficacy and Safety of Sorafenib in Adult Metastatic Osteosarcoma Patients
Single-Agent Temozolomide as Salvage Therapy in Heavily Pretreated Metastatic Sarcoma Patients
Outcomes and Prognostic Factors in Metastatic Renal Cell Carcinoma with Brain Metastases
FLOT Regimen in First-Line Treatment of Metastatic Gastric Cancer
Prognostic Factors of Perioperative FLOT Regimen in Operable Gastric Cancer
Efficacy and Outcomes of Systemic Chemotherapy in Posttransplant Kaposi Sarcoma
Comparison of Second-Line Treatments in Metastatic Renal Cell Carcinoma
Toxicity Management and Effectiveness of Regorafenib in Advance GIST Patients: A Real-world Study - Authors: Paksoy, N., Ferhatoğlu, F., Doğan, İ., Khanmammadov, N., Bozbey, H. U., Karabulut, S., & Taştekin, D. - Journal: TURKISH JOURNAL OF ONCOLOGY, 1(1)
Demographic and Clinical Features and Factors Associated with Survival in Patients with Primary Glomerulonephritis: Single Tertiary Center Experience - Authors: Paksoy, N., Trabulus, S., Seyahi, N., & Altiparmak, M. R. - Journal: Namik Kemal Tip Dergisi, 11(1)
Efficacy of Sorafenib in Symptomatic Patients with Pretreated Progressive Desmoid Tumors - Authors: Paksoy, N., Ferhatoglu, F., Dogan, I., Ak, N., Pehlivan, M., Ekenel, M., & Basaran, M.
Nodal Response to Neoadjuvant Chemotherapy is a Better Predictive Factor of Survival Than Miller-Payne Scoring in Breast Cancer - Authors: Ak, Naziye, et al. - Journal: Journal of Oncological Sciences, 7.2: 42-49
Evaluation of Prognostic and Predictive Values of Hemogram Parameters in Patients with Advanced Stage Ovarian Carcinoma - Authors: Ak, Naziye, et al. - Journal: Turkish Journal of Oncology/Türk Onkoloji Dergisi, 2021, 36.4
Identifying Risk Factors Associated with Survival and Drug-Related Toxicities in Imatinib-Resistant Gastrointestinal Stromal Tumor (GIST) Patients Treated with Sunitinib - Authors: Ferhatoglu, F., Karabulut, S., Paksoy, N., & Tastekin, D.
Real-life Outcomes of ROS1 Fusion-positive Metastatic Lung Cancer Patients who were Treated with Crizotinib - Authors: Dogan, İ., Khanmammadov, N., Paksoy, N., Ferhatoglu, F., Aydın, E., Vatansever, S., & Aydine, A. - Journal: TURK ONKOLOJI DERGISI-TURKISH JOURNAL OF ONCOLOGY
Predictors of the acquisition of T790M mutation in EGFR-mutant metastatic lung cancer patients who were treated with EGFR inhibitors - Authors: Dogan, I., Khanmammadov, N., Paksoy, N., Vatansever, S., Saip, P., & Aydıner, A. - Journal: Eurasian Journal of Pulmonology
Laterality of Adrenal Gland Metastasis in Lung Cancer: Results of a Comparative Study - Authors: Ferhatoglu, F., Gagatay, T., Okumus, G., Aydiner, A., Paksoy, N., Ak, N., ... & Saip, P. - Journal: Eurasian Journal of Medical Investigation, 7(2)
Poor Risk Factors Affecting Cancer Patients Infected with Covid-19: A Retrospective Comparative Study from a Pandemic Hospital - Authors: Ferhatoglu, F., Kapağan, T., Paksoy, N., Ak, N., Medetalibeyoğlu, A., Şenkal, N., ... & Vatansever, S. - Journal: Turk Onkoloji Dergisi, 38(1)
Systemic Treatment Outcomes of Progressive Medullary Thyroid Carcinoma from the Registries of a Tertiary Cancer Center - Authors: Ferhatoglu, F., Paksoy, N., & Başaran, M. - Journal: Namik Kemal Tip Dergisi, 10(4)
Evaluation of clinical features and risk factors related to late recurrence (> 5 years) in patients with breast cancer - Authors: Ferhatoglu, F., Aydiner, A., & Paksoy, N. - Journal: Journal of Surgery & Medicine (JOSAM), 6(12)
Assessing the Clinical Impact of Lutetium-177 DOTATATE Peptide Receptor Radionuclide Therapy (PRRT) on Metastatic Neuroendocrine Tumors: A Multicenter Real-World Data from Türkiye
Thesis:
Istanbul University Cerrahpaşa Medical Faculty, Internal Medicine Department PAKSOY, Nail. Demographical, clinical characteristics and survival factors in patients withprimary glomerulonephritis: Cerrahpasa Medical Faculty Experience. (2016)
International Refereed Congress / Symposium Publications in Proceedings (ASCO/ESMO Abstracts)
Prognostic factors influencing progression-free survival in HER2 positive metastatic breast cancer patients who treated with lapatinib and capecitabine combination
Efficacy of regorafenib and 5-fluorouracil-based rechallenge treatment in the third-line treatment of metastatic colorectal cancer: A Turkish oncology group study
Long-term outcomes and predictors of recurrence in patients with early-stage node-negative breast cancer
Efficacy of temozolomide in pretreated patients with metastatic sarcoma
Efficacy of sorafenib in symptomatic patients with pretreated progressive desmoid tumors
Efficacy of sorafenib in heavily pretreated adult patients with metastatic osteosarcoma
Outcomes and prognostic factors in metastatic renal cell carcinoma patients with brain metastases
Association of response to first-line chemotherapy with the efficacy of atezolizumab in patients with metastatic urothelial carcinoma
Safety and survival in adult women with platinum-sensitive relapsed BRCA mutant ovarian cancer: A study of patients in Olaparib Turkey Early Access Program—LynTurk study
Atezolizumab in patients with metastatic urothelial carcinoma who have progressed after first-line chemotherapy: Results of real-life experiences
Dr. Irfan Cicin is a Professor of Medical Oncology at the Trakya University Faculty of Medicine (2015–present). He has over 20 years of medical oncology experience and has held academic roles since 2010.
Education: MD, Istanbul University – Cerrahpaşa (1991–1997). Residency in Internal Medicine, Trakya University (1997–2002). Fellowship in Medical Oncology, Trakya University (2002–2004).
Practice: Medical Oncologist, Trakya University (2005–2008). Medical Oncologist, Elazığ Training and Research Hospital (2008–2010). Associate Professor of Medical Oncology, Trakya University (2010–2015). He previously served as a physician in the Turkish Air Force at Etimesgut Military Hospital (2004–2005).
Dr. Muhammed Mustafa Atci is an Associate Professor of Medical Oncology at İstinye University, Liv Hospital Topkapı (2025–present). He previously served as Associate Professor and Education Coordinator at Prof. Dr. Cemil Taşcıoğlu City Hospital (2023–2025). He was also a Medical Oncologist there (2018–2021).
He has been a member of ASCO and the Turkish Society of Medical Oncology since 2018. He is the author or co-author of 19 peer-reviewed international papers on colon, breast, gastric, pancreatic, lung, thyroid, sarcoma, and colorectal cancers.
Notable works include a multicentre study on stage IIB colon cancer survival (Journal of Chemotherapy). He also studied the De Ritis ratio for lung metastasis in testicular cancer (Current Urology). His prognostic studies used PET/CT, MSI, lymph node ratio, and metabolic tumor volume.
Assoc. Prof. Ayşe İrem Yasin, M.D., is a medical oncologist who specializes in solid tumors. Her clinical focus includes breast, lung, gastrointestinal, gynecologic, and urologic cancers. She also treats brain and other CNS tumors, soft tissue sarcomas, head and neck cancers, adenocarcinomas, melanoma, Merkel cell carcinoma, and cancers of unknown primary. She practices at Medipol Acıbadem District Hospital (2025–present). She previously worked at Şişli Etfal Training and Research Hospital (2023–2025).
She completed a Medical Oncology fellowship at Bezmialem Vakıf University (2019–2022). This followed an Internal Medicine residency at the same institution (2012–2016). Her international experience includes the Breast Cancer Unit at the University of Piemonte Orientale in Novara (2022). She also trained at Basel University Hospital, Cleveland Clinic, and Harvard Medical School. She holds the ESMO Board Certificate (2022).
Professor of Thoracic Surgery
Dr. Serap Kaya is a medical oncologist with a specialization in Medical Oncology from Kocaeli University Faculty of Medicine. She has worked at several leading hospitals, including Oltu State Hospital, Kocaeli State Hospital, Marmara University Pendik Training and Research Hospital, and Medistate Kavacik Hospital. Dr. Kaya has made important contributions to cancer care at these institutions.
She is known for her evidence-based approach and focus on patient outcomes. Dr. Kaya has managed many complex oncology cases. She holds accreditation from top Turkish medical faculties. Dr. Kaya is committed to improving oncology practice through ongoing professional development and clinical excellence.