Prof. Özge Gümüşay is a clinical oncology professor affiliated with Acibadem University Faculty of Medicine. Appointed to the professorship in 2023, she brings advanced medical training and leadership to her clinical and academic roles. Since 2022 she has been associated with Acibadem Health Group, contributing to patient care, multidisciplinary collaboration, and medical education. She is an active member of leading oncology organizations, including the American Society of Clinical Oncology (ASCO), the European Society for Medical Oncology (ESMO), and the Turkish Society of Medical Oncology (TTOD). Her membership in these societies reflects a commitment to evidence-based practice, staying current with global advances in cancer treatment, and participating in the international oncology community. Known for combining clinical expertise with teaching and research, Prof. Gümüşay focuses on delivering high-quality patient care while mentoring the next generation of physicians and engaging in professional development within national and international oncology networks.
Education
- 2023 Acibadem University Faculty of Medicine / Professor
- 2022 Acibadem University Faculty of Medicine/ Associate Professor
- 2017 Gaziosmanpaşa University Faculty of Medicine/ Associate Professor
- 2014 Gazi University Faculty of Medicine Medical Oncology
- 2010 Gazi University Faculty of Medicine Internal Medicine
- 2005 Hacettepe University Faculty of Medicine
Experience
- 2022 Acibadem Health Group
- 2021 Stanford University Comprehensive Cancer Center, Palo Alto, California, (Visiting Observer)
- 2019 – 2021 UCSF Helen Diller Family Comprehensive Cancer Center, San Francisco, California, (Breast Cancer Oncology)
- 2017 – 2019 Gaziosmanpaşa University Faculty of Medicine, Medical Oncology Specialist, Associate Professor
- 2014 – 2017 Gaziosmanpaşa University Faculty of Medicine, Medical Oncology Specialist, Assistant Professor
- 2010 – 2014 Gazi University Faculty of Medicine, Medical Oncology Subspecialty Research Assistant
- 2006 – 2010 Gazi University Faculty of Medicine, Internal Medicine Research Assistant
Memberships
- American Society of Clinical Oncology (ASCO)
- The European Society of Medical Oncology (ESMO)
- Turkish Society of Medical Oncology (TTOD)
Publications
- CDK4/6 inhibitors: Mechanisms of resistance and potential biomarkers of responsiveness in breast cancer
Future Oncology, 2022 Mar;18(9):1143-1157. Cetin B, Wabl CA, Gumusay O. - Immunotherapy Toxicity: identification and management
Breast Cancer Res Treat 2022 Feb;192(1):1-17. Gumusay O, Callan J, Rugo HS. - Immunotherapy in Breast Cancer and the Potential Role of Liquid Biopsy.
Front. Oncol., March 15, 2022. (share first authorship) Magbanua MJ, Gumusay O, Kurzrock R, vant Veer LJ, Rugo HS. - The role of percutaneous vertebral augmentation in patients with metastatic breast cancer: Literature review including report of two cases
Breast. 2022 Apr 2;63:149-156. Gumusay O, Huppert LA, Behr SC, Rugo HS. - Emerging treatment strategies for metastatic triple-negative breast cancer.
Therapeutic Advances in Medical Oncology. January 2022. Huppert LA, Gumusay O, Rugo HS. - Trials of Immunotherapy in Triple Negative Breast Cancer.
Curr Breast Cancer Rep 13, 171185 (2021). Gumusay O, Wabl, CA, Rugo HS. - Pembrolizumab for Early Triple-Negative Breast Cancer.
N Engl J Med 2020 Jun 25;382(26): e108. Cetin B, Gumusay O. - Strategic Combinations to Prevent and Overcome Resistance to Targeted Therapies in Oncology.
Am Soc Clin Oncol Educ Book. 2020 May;40:e292-e308. Gumusay O, Vitiello PP, Wabl C, Corcoran RB, Bardelli A, Rugo HS. - Factors Influencing Chemotherapy Goal Perception in Newly Diagnosed Cancer Patients
J Cancer Educ. 2016 Jun;31(2):308-13. Gumusay O, Cetin B, Benekli M, Gurcan G, Ilhan MN, Bostankolu B, Ozet A, Uner A, Coskun U, Buyukberber S. - Discordances in HER2 status between primary gastric cancer and corresponding metastatic sites
Japanese Journal of Clinical Oncology. 2015 May; 45(5), 416-421. Gumusay O, Benekli M, Ekinci O, Baykara M, Ozet A, Coskun U, Demirci U, Uner A, Dursun A, Atak EY, Buyukberber S.


