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).
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. 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.
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).
O Prof. Dr. Serdar Bedii Omay é um respeitado hematologista. Ele é especialista em Hematologia e Transplante de Medula Óssea. Graduou-se na Faculdade de Medicina de Hacettepe em 1985. Completou sua formação em Medicina Interna na Universidade de Ege em 1990. Obteve seu doutorado em Hematologia na Escola Médica Mie do Japão em 1995.
O Dr. Omay publicou 65 artigos científicos, 112 artigos em congressos e 34 apresentações em conferências internacionais. Atuou como professor na Universidade de Ege e na Universidade Técnica de Karadeniz. Também trabalhou como Especialista em Hematologia e Doutor em Hematologia Molecular no Japão. Sua carreira demonstra uma forte especialização e reconhecimento internacional na sua área.
Prof. Dr. Birol Baytan is a respected pediatric hematologist. He focuses on diagnosing and treating childhood cancers, leukemia, anemia, and bleeding disorders. He graduated from Ankara University Medical Faculty in 1992. He completed his specialization at Uludağ University Faculty of Medicine, Department of Child Diseases.
Prof. Baytan has published 15 articles in international journals. He has presented and published 9 full texts at international scientific meetings. He has contributed to 3 books or book chapters. He has also published 8 articles in local journals. These achievements show his strong academic presence in pediatric hematology.
Istanbul University Cerrahpaşa Faculty of Medicine, 2002
Istanbul Fatih Sultan Mehmet Training and Research Hospital, Internal Medicine, 2010
Istanbul University Oncology Institute (Çapa), Medical Oncology, 2015
Medipol University Faculty of Medicine, Phytotherapy Education, 2018
University of Health Sciences, Vocational School of Health, Molecular Oncology, PhD Program, PhD, 2023
University Hospital, Newark, New Jersey, USA, Observer (2003-2004)
Siirt State Hospital, Internal Medicine (2010-2011)
Siirt State Hospital, Medical Oncology (2015)
Bakırköy Dr. Sadi Konuk Training and Research Hospital, Medical Oncology (2015-2018)
Istanbul University, Istanbul Faculty of Medicine, Department of Internal Medicine, Medical Oncology, (Professor Doctor) (2018-Present)
Forensic Medicine 3. Specialization Board, Medical Oncology, Full Member (2019-Present)
Liv Hospital, Ulus, Park-time, Medical Oncology (2020-2022)
Şişli Kolan International Hospital, Park-time, Medical Oncology (2022-2023)
2010-YDUS (Subspecialty Examination) 14th place in Turkey
2014- Oncology Institute Days Best Poster Award
2015- Turkish Medical Oncology Society Board Exam Qualification
2015- ESMO (European Society for Medical Oncology) Board Exam Qualification
Prof. Dr. Rafet Eren graduated from Istanbul Faculty of Medicine in 2007. He completed his Internal Medicine specialty training at Marmara University Faculty of Medicine in 2012. In 2018, he became a Hematology subspecialist at Istanbul Training and Research Hospital. In 2019, he was awarded the title of Associate Professor in the field of Hematology. Afterwards, he worked as a faculty member at Başakşehir Çam and Sakura City Hospital, Bozyaka Training and Research Hospital and Istinye University (Istinye University Bahçeşehir and Liv Hospital Vadistanbul) and is currently working at Biruni University Hospital. Dr. Rafet Eren is a member of Turkish Society of Hematology, Hematology Specialty Society and European Society of Hematology and speaks English fluently. He has around 50 publications in national and international refereed journals.
Dr. Hilmi Apak is a respected pediatric hematology-oncology specialist with more than 21 years of experience. He is trained in pediatric oncology. Dr. Apak has led advanced treatments, including bone marrow transplantation, leukemia chemotherapy, and CAR T-cell therapy.
He has published 75 international medical articles, showing his strong contribution to pediatric oncology research. Dr. Apak has worked as assistant editor for the Turkish Pediatrics Archives Periodical. He has also held important academic and leadership positions, such as Head of Pediatric Hematology-Oncology at Istanbul University-Cerrahpaşa.
Dr. Elnur Sahibov is a licensed Radiation Oncologist with 8 years of medical training and clinical experience. He completed his undergraduate and specialization studies at Marmara University Faculty of Medicine. From 2012 to 2016, he focused on advanced radiation oncology techniques.
Dr. Sahibov is known for his expertise in cancer treatment. He has helped improve patient outcomes and uses evidence-based protocols. He is accredited by leading medical institutions and is dedicated to ongoing professional development in oncology.
Dr. Itir Sirinoglu Temiz is a Professor of Hematology. She specializes in lymphoma, acute and chronic leukemias, multiple myeloma, thrombocytopenias, thrombosis, anemia, and bone marrow failure. She graduated with honors from Istanbul University Cerrahpaşa Faculty of Medicine. She completed her hematology training at Dr. Abdurrahman Yurtarslan Oncology Education and Research Hospital.
Dr. Sirinoglu Temiz has held key academic and administrative positions. She served as Head of Internal Medicine at IAU Faculty of Medicine. She was also Education and Administrative Manager at SBÜ Bakırköy Dr. Sadi Konuk EAH Hematology Clinic. She has broad experience in adult hematology, stem cell transplantation, and therapeutic apheresis. She currently practices at Liv Hospital.
Dr. Tolga Akman is a urologist with expertise in advanced surgical procedures. He performs penis prosthesis, bladder, prostate, and kidney cancer surgeries. He is skilled in laparoscopic urology and kidney stone treatments. Dr. Akman also treats female urinary incontinence, pediatric vesicoureteral reflux, and performs microsurgical varicocele procedures. He offers penis enlargement and correction of Peyronie’s disease.
Dr. Akman completed his residencies at Istanbul University School of Medicine and Bezmialem Vakıf University. He is now a Professor of Medicine at Medicana Hospital Bahcelievler. He is active in both clinical practice and academic work in urology.
Prof. Dr. Osman İLHAN graduated from Ankara University Faculty of Medicine in 1978. After completing his internal medicine residency at the same faculty in 1982, he served as a senior resident at the GATA Hematology Clinic during his military service. After completing his mandatory service at SSK Ulus Hospital, he returned to Ankara University Faculty of Medicine for a subspecialty. In 1990, he became an associate professor of hematology. He worked in Genoa, Italy to increase his knowledge and experience in leukemia. He was part of the team that performed the first bone marrow stem cell transplant in Turkey. In 1996, he went to the MD Anderson Cancer Center in the USA to work on "Stem Cell Mobilization, Cryopreservation, and Transplantation." In 1996, he became a professor of hematology. In 1999, he was elected as the regional president of ESFH (European Society for Hemapheresis). Dr. İlhan, who was the founder and president of the Hemapheresis Society in 2000, joined the World Apheresis Association (WAA) in 2001. He became the President of the Turkish Hematology Association in October 2001. Dr. İlhan, who is an active member of the European Hematology Association (EHA), was a member of the accreditation committee (ECAH) for education. He played a role in the accreditation of Turkish hematologists in CME credits by participating in the accreditation of congresses and courses held in Turkey as a Provider Status. He served as the founding president of the Cellular Therapy and Regenerative Medicine Association established in 2008. He became the founding president of the Geriatric Hematology Association in 2011. He is the Honorary President of the World Apheresis Congress (WAA) held in 2012. Dr. İlhan, who previously served on drug licensing and ethics committees at the Ministry of Health, has also served as the Chairman of the Photopheresis-Apheresis Commission and the Scientific Committee for Bone Marrow Transplantation, as well as the Chairman of the National Organ Tissue Cell Coordination Board, the Scientific Board of Cord Blood, and the Stem Cell Research Board. He is the founding president of the STEM CELL FOUNDATION and has played an important role in the establishment of TURKOK (Turkish Stem Cell Donor Bank). Dr. İlhan has over 300 publications in journals registered in PubMed and more than 5000 citations. He holds the Platinum CME certificate from the European Hematology Association. He owns four brands/patents named “Kökten Çözüm (Deep Solution), Telehematoloji (Telehematology), Hemaferez (Hemapheresis), Kanser Kök Hücresi (Cancer Stem Cell)”. He is currently the President of the Ankara Medical Association. Prof. Dr. Osman İlhan, who served at Ankara University Faculty of Medicine for 50 years, began working at Özel Koru Ankara Hospital as of January 1, 2023.
His medical interests include:
Hematopoietic Stem Cell Transplantation (Autologous, Allogeneic)
Acute Leukemia
Chronic Leukemia Treatments
Hodgkin Lymphoma
Non-Hodgkin Lymphoma Treatments
Multiple Myeloma Treatments, MDS
Aplastic Anemia
ITP
TTP Treatments
Hypercoagulability
Hereditary Thrombophilia Treatments
Therapeutic Apheresis
Photopheresis
Geriatric Hematology Diseases.