Acibadem Specialist
Assoc. Prof. Dr. İzzet Doğan
Medical Oncology
18+ years experienceLanguages: Turkish, EnglishOnline consultation
Profile
About İzzet Doğan
Assoc. Prof. İzzet Doğan is an experienced medical oncologist with a strong clinical and academic background. He completed his medical oncology training at Istanbul University, Istanbul Faculty of Medicine in 2021. Currently affiliated with Acibadem Health Group since 2025, he provides patient-centered oncology care and participates in multidisciplinary treatment planning. M.D. Doğan is an active member of the European Society for Medical Oncology (ESMO), the Turkish Society of Medical Oncology, and the Turkish Medical Association, reflecting his commitment to ongoing professional development and adherence to international and national standards in cancer care.
Subspecialties
- HER2-positive metastatic breast cancer
- Breast cancer brain metastases
- Node-negative early-stage breast cancer
- Metastatic breast cancer
- Metastatic renal cell carcinoma with brain metastases
- Metastatic Ewing sarcoma
- HER2/Neu-positive metastatic gastric cancer
- Male breast cancer
- ALK-mutant non-small cell lung cancer
- Recurrent ovarian granulosa cell tumor
- Trastuzumab-based therapy
- Vincristine, irinotecan and temozolomide regimen
- Hormonal therapy for recurrent ovarian granulosa cell tumor
Education
- 2021 Istanbul University Istanbul Faculty of Medicine Medical Oncology
- 2013 Ankara University Faculty of Medicine Internal Medicine
- 2008 Hacettepe University Faculty of Medicine
Experience
- 2025 Acibadem Health Group
- 2023 Başakşehir Çam and Sakura City Hospital / Medical Oncology – Associate Professor
- 2021 – 2022 Başakşehir Çam and Sakura City Hospital / Medical Oncology Specialist
- 2018 – 2021 Istanbul University Istanbul Faculty of Medicine / Department of Internal Medicine / Division of Medical Oncology) / Medical Oncology – Research Assistant
- 2015 Antalya Training and Research Hospital / Internal Medicine Specialist
- 2014 Kütahya Military Hospital / Internal Medicine Specialist
- 2013 Aksaray State Hospital / Internal Medicine Specialist
- 2009 – 2013 Ankara University Faculty of Medicine, Department of Internal Medicine / Department of Internal Medicine / Internal Medicine Research Assistant
- 2008 – 2009 Korgan Çayırkent Health Center, Ordu / General Practitioner
Professional Memberships
- European Society for Medical Oncology (ESMO)
- Turkish Society of Medical Oncology
- Turkish Medical Association
Selected Publications
- Outcomes and Prognostic Factors in HER2-Positive Metastatic Breast Cancer Patients Who Had Developed Brain Metastasis in the Treatment Process (2023). Oncology, S. Karger AG, 101, Doi: 10.1159/000529030 Doğan İzzet, Kızıldağ Yırgın İnci, Özkurt Selnur, İbiş Kamuran, Vatansever Sezai, Saip Pınar Mualla, Aydıner Adnan
- Long-term outcomes and predictors of recurrence in node-negative early stage breast cancer patients. Doğan İzzet, Önder Semen, Tükenmez Mustafa, Cabioğlu Neslihan, Küçücük Nezihe Seden, Müslümoğlu Mahmut, Özmen Vahit, Saip Pınar Mualla, İğci Abdulla Journal of Cancer Research and Clinical Oncology, Doi: 10.1007/s00432-023-05276-y
- Termination of trastuzumab in HER2-positive metastatic breast cancer patients who received trastuzumab beyond progression (2023). Scientific Reports 2023(13), Doi: 10.1038/s41598-023-35715-2 Doğan İzzet, Aydın Esra, Khanmammadov Nijat, Paksoy Nail, Saip Pınar Mualla, Aydıner Adnan
- Demographic and Clinical Features of Patients with Metastatic Breast Cancer: A Retrospective Multicenter Registry Study of the Turkish Oncology Grou Doğan İzzet, Aksoy Sercan, Çakar Burcu, Başaran Gül, Ercelep Özlem, Mandel Nil Molinas, Korkmaz Taner, Gökmen Erhan, Aydıner Adnan, Saip Pınar Mualla, (2023). Cancers, MDPI, 15, Doi: 10.3390/cancers15061667
- Outcomes and prognostic factors in metastatic renal cell carcinoma patients with brain metastases. Journal of Cancer Research and Therapeutics, 1-5., Doi: 10.4103/jcrt.jcrt_972_22 Doğan İzzet, İribaş Çelik Ayça, Paksoy Nail, Vatansever Sezai, Başaran Mert
- Efficacy of the VIT (vincristine, irinotecan and temozolomide) regimen in adults with metastatic Ewing sarcoma. (2022). Journal of Chemotherapy, Doi: 10.1080/1120009X.2022.2104295 Doğan İzzet, İribaş Çelik Ayça, Ahmed Melin Aydan, Başaran Mert
- Evaluation of Prognostic Factors and Trastuzumab-based Treatments in HER2/Neu-positive Metastatic Gastric Cancer. (2022). Journal of the College of Physicians and Surgeons Pakistan, 32(8), 1014-1019., Doi: 10.29271/jcpsp.2022.08.1014 Doğan İzzet, Karabulut Senem, Taştekin Didem, Ferhatoğlu Ferhat, Paksoy Nail, Şakar Burak
- The frequency and prognostic significance of ABO/Rh blood groups in male breast cancer patients: a multicenter study. (2022). Medicine, 101(35), 1-6., Doi: 10.1097/MD.0000000000030147 Doğan İzzet, Ayhan Murat, Gürbüz Mustafa, Küçükarda Ahmet, Aydın Esra, Ürün Yüksel, Çiçin İrfan, Saip Pınar Mualla
- Evaluation of clinicopathological features determining treatment response in patients with ALK mutant NSCLC. (2022). Medicine, 101(34), 1-6., Doi: 10.1097/md.0000000000030188 Doğan İzzet, Gürbüz Mustafa, Paksoy Nail, Ferhatoğlu Ferhat, Vatansever Sezai, Saip Pınar Mualla, Demirkazık Ahmet, Aydıner Adnan
- Hormonal Therapy in Pretreated Patients With Recurrent Ovary Granulosa Cell Tumor Journal of Pharmacy Practice, Doi: 10.1177/08971900221129679 Doğan İzzet, Aydın Esra, Topuz Samet, Saip Pınar Mualla, Salihoğlu Mehmet Yavuz, Aydıner Adnan
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