Areas of Expertise
  • Breast Cancer
  • Lung Cancer
  • Prostate Cancer
  • Gastrointestinal system cancers
  • Urogenital Cancers
  • Gynecological cancers
  • Molecular oncology

Education

  • 2008–2013: Maltepe University Faculty of Medicine, Neurology Residency

  • 2007–2008: Marmara University Faculty of Medicine, Public Health Residency

  • 1999–2006: Osmangazi University Faculty of Medicine

Experience

  • May 2015 – Sep 2018: NB Kadıköy Hospital, Diabetes Center, Neurology Specialist

  • 2014 – 2015: Muş Bulanık State Hospital, Neurology Specialist

  • 2008 – 2013: Maltepe University Faculty of Medicine, Neurology Research Assistant

Professional Memberships

  • Turkish Medical Association

  • Turkish Neurology Society

  • Turkish Diabetes Society

  • Obesity and Diabetes Foundation

International Peer-Reviewed Journal Articles

  • Ozkan Alan, Tugba Akın Telli, Sinem Akbas, Selver Isik, Eyyüb Çavdar, Kubilay Karaboyun, Aysegül Merc Cetinkaya, Ferhat Ekinci, Atike Pınar Erdoğan, Mahmut Büyükşimsek, et al. Prognostic Role of Inflammatory and Nutritional Indices in NSCLC Patients Treated with Immune Checkpoint Inhibitors: Retrospective, Multicenter, Turkish Oncology Group Study of Overall and Elderly Populations.

  • E. Cavdar, K. Karaboyun, Y. Iriagac. Nanotechnology in Oncology: A Mini Review.

  • O. Avci, E. Çavdar, Y. İriağaç, K. Karaboyun, et al. Soluble B7H3 Level in Breast Cancer and Its Relationship with Clinicopathological Variables and T-cell Infiltration.

  • E.S. Şeber, Y. İriagac, E. Çavdar, K. Karaboyun, et al. Logarithmic Model for Hormone Receptor-Positive Breast Cancer Patients Treated with Neoadjuvant Chemotherapy.

  • E. Cavdar, K. Karaboyun, Y. Iriagac, O.F. Elcicek, et al. Prognostic Value of Estrogen Receptor Co-activator AIB1 in Metastatic Breast Cancer Patients Treated with a Combination of Ribociclib and Letrozole.

  • K. Karaboyun, E. Cavdar, Y. Iriagac, S.Y. Tacar, et al. Fertility Desire and Protection Practices Among Turkish Young Breast Cancer Patients Treated with Chemotherapy.

  • E. Cavdar, K. Karaboyun, Y. Iriagac, A. Celikkol, et al. Creatine Kinase (CK)-MB and CK-MB-to-Total-CK Ratio: A Novel Predictive Marker for Pathologic Complete Response in Breast Cancer Treated with Neoadjuvant Chemotherapy.

  • K. Karaboyun. Evaluating Inflammatory Markers as Predictive Tools for Advanced Non-Small Cell Lung Cancer Receiving Nivolumab.

  • Y. İriağaç, K. Karaboyun, T.İ.K. Özçağlayan, et al. The Diagnostic Contribution of Magnetic Resonance Imaging in Detection of Axillary Metastasis After Neoadjuvant Chemotherapy.

  • Y. Iriagac, E. Cavdar, K. Karaboyun, S.Y. Tacar, et al. A New Predictive Marker for Response After Neoadjuvant Chemotherapy in Hormone Receptor Positive/HER2-Negative Patients: A Logarithmic Model.

  • Cengiz Karacin, Berna Oksuzoglu, Ayşe Demirci, … S. Karakaya, E. Kut, F. Teker, B.Ç. Demirel, K. Karaboyun, et al. Efficacy of Subsequent Treatments in Patients with Hormone-Positive Advanced Breast Cancer Who Had Disease Progression Under CDK 4/6 Inhibitor Therapy.

  • E. Cavdar, K. Karaboyun, K. Kara. Comprehensive Analysis of the Prognostic Role of Laboratory Indices in Advanced Lung Cancer Patients.

  • E. Cavdar, Y. Iriagac, K. Karaboyun, O. Avci. Prospective Comparison of the Value of CARG, G8, and VES-13 Toxicity Tools in Predicting Chemotherapy-Related Toxicity in Older Turkish Patients with Cancer.

  • O. Avcı, Y. İriağaç, E. Çavdar, K. Karaboyun. PROPSEA: Safety Evaluation of Palbociclib and Ribociclib in Older Patients with Breast Cancer – A Prospective Real-World TOG Study.

  • Y. İriağaç, E. Çavdar, K. Karaboyun, O. Avci. The Influence of Visual Objects and Music on Anxiety Levels of Breast Cancer Patients Scheduled to Experience Chemotherapy for the First Time: A Prospective Randomized Clinical Study.

  • K. Karaboyun, Y. İriağaç, E. Çavdar, et al. Comparison of Three Equations for Estimating Glomerular Filtration Rate as Predictors of Cisplatin-Related Acute Kidney Injury in Lung Cancer Patients with Normal Renal Function.

  • E. Cavdar, Y. Iriagac, K. Karaboyun, et al. Prognostic Role of Lymphovascular Invasion and Perineural Invasion in Breast Cancer Treated with Neoadjuvant Chemotherapy.

  • K. Karaboyun, E. Cavdar, Y. Irıagac, A. Celebi, et al. Tamoxifen or Aromatase Inhibitors: Which One Is the Culprit of Urinary Incontinence in Premenopausal Breast Cancer Patients Receiving Adjuvant Hormone Therapy?

  • I. Yakup, C. Eyyup, K. Kubilay, A. Okan, et al. Immunogenicity and Safety of the CoronaVac Vaccine in Patients Undergoing Treatment for Breast and Lung Cancer.

  • E.S. Seber, Y. Iriagac, E. Cavdar, K. Karaboyun, O. Avci, A. Yolcu, et al. Efficacy of Neoadjuvant Chemotherapy in Lobular and Rare Subtypes of Breast Cancer.

  • E. Cavdar, K. Karaboyun, Y. Iriagac, et al. Use of Complementary Therapy in Lung Cancer Patients Treated with Chemotherapy and Its Effect on Survival: A Cross-Sectional Study.

  • K. Karaboyun, S. Girgin, M. Yılmaz, et al. Mortality at 90 Days and One Year and Renal Outcomes of Patients Who Initiated Hemodialysis for the First Time.

  • K. Karaboyun, E.S. Şeber. Prognostic Role of Neutrophil/Lymphocyte Ratio and Monocyte/Lymphocyte Ratio in Advanced Stage Gastric Cancer Patients Receiving Chemotherapy: A Single Center Experience.

  • E. Cavdar, Y. Iriagac, K. Karaboyun, O. Avci, E.S. Seber. Understanding Breast Cancer from the Patients’ Perspective.

  • Y. Iriagac, E. Cavdar, K. Karaboyun, et al. Decrease in Estimated Glomerular Filtration Rates in Non-Small Cell Lung Cancer Patients Treated with Crizotinib.

  • E. Çavdar, K. Karaboyun, et al. Survival Impact of Adjuvant Chemoradiotherapy in Resected Pancreatic Cancer.

  • K. Karaboyun, E. Çavdar, Y. İriağaç, A. Celebi, et al. The Role of Interleukin-20 in Paclitaxel-Associated Peripheral Neuropathy in Non-Metastatic Breast Cancer Patients Receiving Chemotherapy.

  • K. Karaboyun, Y. Iriagac, E. Cavdar, O. Avci, E.S. Seber. A New Mortality Prediction Model in Advanced Stage Cancer Patients Requiring Hospitalization While Receiving Active Systemic Therapy.

  • E. Cavdar, K. Karaboyun, Y. Iriagac, O. Avci, et al. Efficacy and Safety of Trastuzumab Emtansine Treatment in Patients with Metastatic HER2-Positive Breast Cancer: A Single Center Study.

  • K. Karaboyun, M. Öznur, A. Yolcu, Y. İriağaç, et al. Investigation of the Effect of Low-Positive HER2 on Neoadjuvant Chemotherapy Response in Hormone-Positive Breast Cancer Patients.

  • Halil İbrahim Ellez, …, Ertuğrul Bayram, Kubilay Karaboyun, et al. Denosumab Administration in Breast, Prostate, and Lung Cancer with Chronic Kidney Disease – A Retrospective Multicenter Turkish Oncology Group (TOG) Study.

  • K. Karaboyun, A. Yolcu. Prognostic Factors Influencing Regorafenib Treatment Outcomes in Metastatic Colorectal Cancer.

  • Y. İriağaç, K. Karaboyun, et al. Effects of COVID-19 Pandemic on Diagnosis-Treatment Process in Breast Cancer Patients Treated with Neoadjuvant Chemotherapy.

  • T. Yetişyiğit, K. Karaboyun. Lymphomagenesis. Turkiye Klinikleri Medical Oncology.

  • K. Karaboyun, N.S. Demirci. Immunotherapy in Head and Neck Cancers. 2022 – turkiyeklinikleri.com

  • K. Karaboyun, Asakin. Traditional Chinese Medicine: Complementary and Traditional Therapies Used by Cancer Patients.

Resume

Education

  • 2008–2013: Maltepe University Faculty of Medicine, Neurology Residency

  • 2007–2008: Marmara University Faculty of Medicine, Public Health Residency

  • 1999–2006: Osmangazi University Faculty of Medicine

Experience

  • May 2015 – Sep 2018: NB Kadıköy Hospital, Diabetes Center, Neurology Specialist

  • 2014 – 2015: Muş Bulanık State Hospital, Neurology Specialist

  • 2008 – 2013: Maltepe University Faculty of Medicine, Neurology Research Assistant

Professional Memberships

  • Turkish Medical Association

  • Turkish Neurology Society

  • Turkish Diabetes Society

  • Obesity and Diabetes Foundation

Publications

International Peer-Reviewed Journal Articles

  • Ozkan Alan, Tugba Akın Telli, Sinem Akbas, Selver Isik, Eyyüb Çavdar, Kubilay Karaboyun, Aysegül Merc Cetinkaya, Ferhat Ekinci, Atike Pınar Erdoğan, Mahmut Büyükşimsek, et al. Prognostic Role of Inflammatory and Nutritional Indices in NSCLC Patients Treated with Immune Checkpoint Inhibitors: Retrospective, Multicenter, Turkish Oncology Group Study of Overall and Elderly Populations.

  • E. Cavdar, K. Karaboyun, Y. Iriagac. Nanotechnology in Oncology: A Mini Review.

  • O. Avci, E. Çavdar, Y. İriağaç, K. Karaboyun, et al. Soluble B7H3 Level in Breast Cancer and Its Relationship with Clinicopathological Variables and T-cell Infiltration.

  • E.S. Şeber, Y. İriagac, E. Çavdar, K. Karaboyun, et al. Logarithmic Model for Hormone Receptor-Positive Breast Cancer Patients Treated with Neoadjuvant Chemotherapy.

  • E. Cavdar, K. Karaboyun, Y. Iriagac, O.F. Elcicek, et al. Prognostic Value of Estrogen Receptor Co-activator AIB1 in Metastatic Breast Cancer Patients Treated with a Combination of Ribociclib and Letrozole.

  • K. Karaboyun, E. Cavdar, Y. Iriagac, S.Y. Tacar, et al. Fertility Desire and Protection Practices Among Turkish Young Breast Cancer Patients Treated with Chemotherapy.

  • E. Cavdar, K. Karaboyun, Y. Iriagac, A. Celikkol, et al. Creatine Kinase (CK)-MB and CK-MB-to-Total-CK Ratio: A Novel Predictive Marker for Pathologic Complete Response in Breast Cancer Treated with Neoadjuvant Chemotherapy.

  • K. Karaboyun. Evaluating Inflammatory Markers as Predictive Tools for Advanced Non-Small Cell Lung Cancer Receiving Nivolumab.

  • Y. İriağaç, K. Karaboyun, T.İ.K. Özçağlayan, et al. The Diagnostic Contribution of Magnetic Resonance Imaging in Detection of Axillary Metastasis After Neoadjuvant Chemotherapy.

  • Y. Iriagac, E. Cavdar, K. Karaboyun, S.Y. Tacar, et al. A New Predictive Marker for Response After Neoadjuvant Chemotherapy in Hormone Receptor Positive/HER2-Negative Patients: A Logarithmic Model.

  • Cengiz Karacin, Berna Oksuzoglu, Ayşe Demirci, … S. Karakaya, E. Kut, F. Teker, B.Ç. Demirel, K. Karaboyun, et al. Efficacy of Subsequent Treatments in Patients with Hormone-Positive Advanced Breast Cancer Who Had Disease Progression Under CDK 4/6 Inhibitor Therapy.

  • E. Cavdar, K. Karaboyun, K. Kara. Comprehensive Analysis of the Prognostic Role of Laboratory Indices in Advanced Lung Cancer Patients.

  • E. Cavdar, Y. Iriagac, K. Karaboyun, O. Avci. Prospective Comparison of the Value of CARG, G8, and VES-13 Toxicity Tools in Predicting Chemotherapy-Related Toxicity in Older Turkish Patients with Cancer.

  • O. Avcı, Y. İriağaç, E. Çavdar, K. Karaboyun. PROPSEA: Safety Evaluation of Palbociclib and Ribociclib in Older Patients with Breast Cancer – A Prospective Real-World TOG Study.

  • Y. İriağaç, E. Çavdar, K. Karaboyun, O. Avci. The Influence of Visual Objects and Music on Anxiety Levels of Breast Cancer Patients Scheduled to Experience Chemotherapy for the First Time: A Prospective Randomized Clinical Study.

  • K. Karaboyun, Y. İriağaç, E. Çavdar, et al. Comparison of Three Equations for Estimating Glomerular Filtration Rate as Predictors of Cisplatin-Related Acute Kidney Injury in Lung Cancer Patients with Normal Renal Function.

  • E. Cavdar, Y. Iriagac, K. Karaboyun, et al. Prognostic Role of Lymphovascular Invasion and Perineural Invasion in Breast Cancer Treated with Neoadjuvant Chemotherapy.

  • K. Karaboyun, E. Cavdar, Y. Irıagac, A. Celebi, et al. Tamoxifen or Aromatase Inhibitors: Which One Is the Culprit of Urinary Incontinence in Premenopausal Breast Cancer Patients Receiving Adjuvant Hormone Therapy?

  • I. Yakup, C. Eyyup, K. Kubilay, A. Okan, et al. Immunogenicity and Safety of the CoronaVac Vaccine in Patients Undergoing Treatment for Breast and Lung Cancer.

  • E.S. Seber, Y. Iriagac, E. Cavdar, K. Karaboyun, O. Avci, A. Yolcu, et al. Efficacy of Neoadjuvant Chemotherapy in Lobular and Rare Subtypes of Breast Cancer.

  • E. Cavdar, K. Karaboyun, Y. Iriagac, et al. Use of Complementary Therapy in Lung Cancer Patients Treated with Chemotherapy and Its Effect on Survival: A Cross-Sectional Study.

  • K. Karaboyun, S. Girgin, M. Yılmaz, et al. Mortality at 90 Days and One Year and Renal Outcomes of Patients Who Initiated Hemodialysis for the First Time.

  • K. Karaboyun, E.S. Şeber. Prognostic Role of Neutrophil/Lymphocyte Ratio and Monocyte/Lymphocyte Ratio in Advanced Stage Gastric Cancer Patients Receiving Chemotherapy: A Single Center Experience.

  • E. Cavdar, Y. Iriagac, K. Karaboyun, O. Avci, E.S. Seber. Understanding Breast Cancer from the Patients’ Perspective.

  • Y. Iriagac, E. Cavdar, K. Karaboyun, et al. Decrease in Estimated Glomerular Filtration Rates in Non-Small Cell Lung Cancer Patients Treated with Crizotinib.

  • E. Çavdar, K. Karaboyun, et al. Survival Impact of Adjuvant Chemoradiotherapy in Resected Pancreatic Cancer.

  • K. Karaboyun, E. Çavdar, Y. İriağaç, A. Celebi, et al. The Role of Interleukin-20 in Paclitaxel-Associated Peripheral Neuropathy in Non-Metastatic Breast Cancer Patients Receiving Chemotherapy.

  • K. Karaboyun, Y. Iriagac, E. Cavdar, O. Avci, E.S. Seber. A New Mortality Prediction Model in Advanced Stage Cancer Patients Requiring Hospitalization While Receiving Active Systemic Therapy.

  • E. Cavdar, K. Karaboyun, Y. Iriagac, O. Avci, et al. Efficacy and Safety of Trastuzumab Emtansine Treatment in Patients with Metastatic HER2-Positive Breast Cancer: A Single Center Study.

  • K. Karaboyun, M. Öznur, A. Yolcu, Y. İriağaç, et al. Investigation of the Effect of Low-Positive HER2 on Neoadjuvant Chemotherapy Response in Hormone-Positive Breast Cancer Patients.

  • Halil İbrahim Ellez, …, Ertuğrul Bayram, Kubilay Karaboyun, et al. Denosumab Administration in Breast, Prostate, and Lung Cancer with Chronic Kidney Disease – A Retrospective Multicenter Turkish Oncology Group (TOG) Study.

  • K. Karaboyun, A. Yolcu. Prognostic Factors Influencing Regorafenib Treatment Outcomes in Metastatic Colorectal Cancer.

  • Y. İriağaç, K. Karaboyun, et al. Effects of COVID-19 Pandemic on Diagnosis-Treatment Process in Breast Cancer Patients Treated with Neoadjuvant Chemotherapy.

  • T. Yetişyiğit, K. Karaboyun. Lymphomagenesis. Turkiye Klinikleri Medical Oncology.

  • K. Karaboyun, N.S. Demirci. Immunotherapy in Head and Neck Cancers. 2022 – turkiyeklinikleri.com

  • K. Karaboyun, Asakin. Traditional Chinese Medicine: Complementary and Traditional Therapies Used by Cancer Patients.

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