Eğitim Bilgileri
2017 - 2021
2017 - 2021Tıpta Yandal Uzmanlık
Marmara Üniversitesi, Tıp Fakültesi, Dahili Tıp Bilimleri Bölümü, Türkiye
2012 - 2016
2012 - 2016Tıpta Uzmanlık
Türkiye
2006 - 2012
2006 - 2012Lisans
Ege Üniversitesi, Türkiye
Araştırma Alanları
Gastroenteroloji-(Hepatoloji)
Akademi Dışı Deneyim
2017 - 2017
2017 - 2017UZMAN DOKTOR
ADANA POZANTI 80. YIL DEVLET HASTANESİ, UZMAN DOKTOR
Makaleler
Tümü (34)
SCI-E, SSCI, AHCI (23)
SCI-E, SSCI, AHCI, ESCI (30)
ESCI (7)
Scopus (31)
TRDizin (12)
Diğer Yayınlar (2)
2025
20251. BALAD-2 Emerges as the Most Accurate Prognostic Model in Hepatocellular Carcinoma: Results from a Biobank-Based Cohort Study
DEMİRTAŞ C. Ö., EREN F., YILMAZ KARADAĞ D., Kaldirim Armutcuoglu Y., Tolu T., Huseyinov J., et al.
Cancers
, cilt.17, sa.21, 2025 (SCI-Expanded, Scopus)
2025
20252. Enhancing Hepatocellular Carcinoma Surveillance: Comparative Evaluation of AFP, AFP-L3, DCP and Composite Models in a Biobank-Based Case-Control Study
DEMİRTAŞ C. Ö., AKIN Ş., YILMAZ KARADAĞ D., YILMAZ İ. T., Ciftci U., Huseynov J., et al.
Cancers
, cilt.17, sa.14, 2025 (SCI-Expanded)
2025
20253. Usefulness of Endoscopic Ultrasound Strain Elastography for Measuring Liver Stiffness and the Role of Blood Cytokeratin 18 Levels as a Surrogate Marker of Fibrosis
Duman D. G., Alahdab Y. O., DEMİRTAŞ C. Ö., YILMAZ Y., DİLBER F., Ozdemir F. T., et al.
The Turkish journal of gastroenterology : the official journal of Turkish Society of Gastroenterology
, cilt.36, sa.10, ss.692-699, 2025 (SCI-Expanded, Scopus, TRDizin)
2025
20254. A rare clinic in hepatocellular cancer: Metastasis of the nasopharynx
Ozturk F. E., DEMİRTAŞ C. Ö., Jafarov F., Keskin Ozturk B., Dilber F.
Hepatology Forum
, cilt.6, sa.2, ss.62-64, 2025 (Scopus, TRDizin)
2024
20245. Prevalence of metabolic dysfunction-associated steatotic liver disease and steatohepatitis in Türkiye: A forensic autopsy study
Ergenc I., Kara E., Yilmaz M. E., Demirtaş C. Ö., Keklikkiran C., Das T., et al.
Heliyon
, cilt.10, sa.15, 2024 (SCI-Expanded)
2024
20246. The preliminary data of gene expressions and bioinformatics analysis of miR-146b-5p and miR-4510 in Turkish population in HBV related hepatocellular carcinoma
BİRCAN KADIOĞLU D., DEMİRTAŞ C. Ö., PİRİM D., Gündüz F., EREN F.
Hepatology forum
, cilt.5, ss.106-112, 2024 (ESCI)
2024
20247. Decoding 17-Beta-hydroxysteroid Dehydrogenase 13: A Multifaceted Perspective on Its Role in Hepatic Steatosis and Associated Disorders
DEMİRTAŞ C. Ö., YILMAZ Y.
Journal of Clinical and Translational Hepatology
, cilt.12, sa.10, ss.857-864, 2024 (SCI-Expanded)
2023
20238. Radiological Quantification of Sarcopenic Obesity and its Role in Chronic Liver Disease Severity.
Cimsit C., Kursun M., Demircioglu O., Dilber F., Demirtas C. O., Ergenc I.
Academic radiology
, cilt.30, 2023 (SCI-Expanded)
2023
20239. Evaluation of the effectiveness of drug-eluting transarterial chemoebolization in hepatocellular carcinoma
ALAN A. M., ALAN Ö., ASADOV R., DEMİRTAŞ C. Ö., KANİ H. T., YUMUK P. F., et al.
Hepatology forum
, cilt.4, sa.2, ss.53-60, 2023 (Scopus, TRDizin)
2022
202210. Practicality and potential restrictions of unresectable hepatocellular carcinoma prognostic index
DEMİRTAŞ C. Ö., Ricco G., ÖZDOĞAN O. C., BALTACIOĞLU F., ÖNEŞ T., YUMUK P. F., et al.
HEPATOLOGY COMMUNICATIONS
, cilt.6, sa.12, ss.3600-3601, 2022 (SCI-Expanded)
2022
202211. Characteristics of patients with hepatocellular carcinoma: A multicenter study
Guzelbulut F., KARAOĞULLARINDAN Ü., AKKIZ H., ALTINTAŞ E., DEMİRTAŞ C. Ö., Bahadir O., et al.
HEPATOLOGY FORUM
, cilt.3, sa.3, ss.71-76, 2022 (ESCI)
2022
202212. Preliminary results of the effectiveness and safety of Tenofovir Alefenamide Fumarate prophylaxis in HBV-infected individuals, who received chemo/immunosuppressive therapy
GÜNDÜZ F., DURAK S., ÜNSAL Y., DEMİR M., Ellik Z. M., YILDIRIM A. E., et al.
JOURNAL OF HEPATOLOGY
, cilt.77, 2022 (SCI-Expanded)
2022
202213. Proposal and Validation of a Novel Scoring System for Hepatocellular Carcinomas Beyond Curability Borders
DEMİRTAŞ C. Ö., Ricco G., ÖZDOĞAN O. C., BALTACIOĞLU F., Ones T., YUMUK P. F., et al.
HEPATOLOGY COMMUNICATIONS
, cilt.6, sa.3, ss.633-645, 2022 (SCI-Expanded)
2022
202214. Novel immunotherapy combinations in clinical trials for hepatocellular carcinoma: will they shape the future treatment landscape?
Fulgenzi C. A. M., D'Alessio A., Ogunbiyi O., DEMİRTAŞ C. Ö., Gennari A., Cortellini A., et al.
EXPERT OPINION ON INVESTIGATIONAL DRUGS
, cilt.31, ss.681-691, 2022 (SCI-Expanded)
2021
202115. Programmed Cell Death 1 and Hepatocellular Carcinoma: An Epochal Story
DEMİRTAŞ C. Ö., GÜNDÜZ F.
JOURNAL OF GASTROINTESTINAL CANCER
, cilt.52, sa.4, ss.1217-1222, 2021 (ESCI)
2021
202116. Surveillance Strategies for Hepatocellular Carcinoma: Recent Advances and the Shifting Paradigm
DEMİRTAŞ C. Ö., GÜNDÜZ F., ÖZDOĞAN O. C.
JOURNAL OF GASTROINTESTINAL CANCER
, cilt.52, sa.4, ss.1336-1339, 2021 (ESCI)
2021
202117. ALBI grade: Evidence for an improved model for liver functional estimation in patients with hepatocellular carcinoma
DEMİRTAŞ C. Ö., 'Alessio A., Rimassa L., Sharma R., Pinato D. J.
JHEP REPORTS
, cilt.3, sa.5, 2021 (ESCI)
2021
202118. MODELLING THE DYNAMICS OF CANCER CELLS AND TUMOR VASCULATURE IN HCC PATIENTS TREATED WITH TKIs OR TACE
Colombatto P., Damone F., Ricco G., Oliveri F., Civitano L., Romagnoli V., et al.
HEPATOLOGY
, cilt.74, 2021 (SCI-Expanded)
2021
202119. Impact of COVID-19 Pandemic on Gastroenterology Fellowship Training in Turkey: A Prospective Nationwide Survey Study
DEMİRTAŞ C. Ö., Vahabov C., Mustafayev F., Sahin T., PARLAK E.
TURKISH JOURNAL OF GASTROENTEROLOGY
, cilt.32, sa.10, ss.879-891, 2021 (SCI-Expanded)
2021
202120. Surveillance for hepatocellular carcinoma in chronic viral hepatitis: Is it time to personalize it?
DEMİRTAŞ C. Ö., Brunetto M. R.
WORLD JOURNAL OF GASTROENTEROLOGY
, cilt.27, sa.33, ss.5536-5554, 2021 (SCI-Expanded)
2021
202121. Hepatocellular Carcinoma in Non-cirrhotic Liver Arises with a More Advanced Tumoral Appearance: A Single-Center Cohort Study
DEMİRTAŞ C. Ö., Tolu T., KEKLİKKIRAN Ç., ÖZDOĞAN O. C., GÜNDÜZ F.
TURKISH JOURNAL OF GASTROENTEROLOGY
, cilt.32, sa.8, ss.685-693, 2021 (SCI-Expanded)
2021
202122. Evaluation of the Impact of Metabolic Syndrome on Fibrosis in Metabolic Dysfunction-Associated Fatty Liver Disease
KANİ H. T., DEMİRTAŞ C. Ö., KEKLİKKIRAN Ç., Ergenc I., Mehdiyev S., AKDENİZ E., et al.
TURKISH JOURNAL OF GASTROENTEROLOGY
, cilt.32, sa.8, ss.661-666, 2021 (SCI-Expanded)
2021
202123. Proposal and validation of a novel scoring system for hepatocellular carcinomas beyond curability borders: Unresectable hepatocellular carcinoma prognostic index
DEMİRTAŞ C. Ö., Ricco G., ÖZDOĞAN O. C., BALTACIOĞLU F., ÖNEŞ T., YUMUK P. F., et al.
JOURNAL OF HEPATOLOGY
, cilt.75, 2021 (SCI-Expanded)
2021
202124. Modeling Hepatocellular Carcinoma Cells Dynamics by Serological and Imaging Biomarkers to Explain the Different Responses to Sorafenib and Regorafenib
Colombatto P., DEMİRTAŞ C. Ö., Ricco G., Civitano L., Boraschi P., Scalise P., et al.
CANCERS
, cilt.13, sa.9, 2021 (SCI-Expanded)
2021
202125. The natural course of gastric intestinal metaplasia in Turkish patients: A single-center observational cohort study
DEMİRTAŞ C. Ö., Koldas M., Yilmaz M., Sahin M. Z., Soykuvvet M. T., ÇELİKEL Ç., et al.
MARMARA MEDICAL JOURNAL
, cilt.34, sa.3, ss.229-233, 2021 (ESCI)
2020
202026. Letter: Is female sex an independent predictor of favourable prognosis in hepatocellular carcinoma?
Demirtas C. O., Gunduz F.
ALIMENTARY PHARMACOLOGY & THERAPEUTICS
, cilt.52, ss.1765-1766, 2020 (SCI-Expanded)
2020
202027. Myeloperoxidase and calprotectin; Any role as non-invasive markers for the prediction of inflammation and fibrosis in non-alcoholic steatohepatitis?
Bicakci E., DEMİRTAŞ C. Ö., ÇELİKEL Ç., HAKLAR G., DUMAN D.
TURKISH JOURNAL OF GASTROENTEROLOGY
, cilt.31, sa.10, ss.681-687, 2020 (SCI-Expanded)
2020
202028. The clinical and histological characteristics of patients with biopsy-proven non-alcoholic fatty liver disease in the absence of insulin resistance
DEMİRTAŞ C. Ö., SAPMAZ A., GÜREL B. A., KIZMAZ H., ULU T., KARAKETİR Ş. G., et al.
Hepatology Forum
, cilt.1, sa.3, ss.101-108, 2020 (Hakemli Dergi)
2020
202029. Surveillance of hepatocellular carcinoma in cirrhotic patients: Current knowledge and future directions
Demirtas C. O., ÖZDOĞAN O. C.
HEPATOLOGY FORUM
, cilt.1, sa.3, ss.112-118, 2020 (ESCI)
2020
202030. Metabolic-associated Fatty Liver Disease: Time to integrate ground-breaking new terminology to our clinical practice?
DEMİRTAŞ C. Ö., YILMAZ Y.
Hepatology Forum
, cilt.1, sa.3, ss.79-81, 2020 (Hakemli Dergi)
2020
202031. Validation and reliability of the Turkish version of the inflammatory bowel disease questionnaire for ulcerative colitis and Crohn's disease
KANİ H. T., Ergenc I., Arikan H., Komesli Z., Seyrek B., DEMİRTAŞ C. Ö., et al.
TURKISH JOURNAL OF GASTROENTEROLOGY
, cilt.31, sa.8, ss.566-572, 2020 (SCI-Expanded)
2020
202032. A large Turkish pedigree with multiple endocrine neoplasia type 1 syndrome carrying a rare mutation: c.1680_1683 del TGAG
Demirtaş C. Ö., Ata P., Çetin A., Turkyilmaz A., Duman D.
TURKISH JOURNAL OF GASTROENTEROLOGY
, cilt.31, ss.508-514, 2020 (SCI-Expanded)
2019
201933. The optimal controlled attenuation parameter cut-offs in hepaticsteatosis grade differentiation by transient elastography(Fibroscan) in a sample of biopsy-proven non-alcoholic fatty liverdisease patients
Kaya E., BAKIR A., Sapmaz A. F., Kayyali T., Quatranji L., Çiftaslan A., et al.
Hepatology International
, cilt.13, ss.196, 2019 (SCI-Expanded, Scopus)
2018
201834. Convenient chronic hepatitis B candidates for antiviral cessation and retreatment after relapse: When and who?
DEMİRTAŞ C. Ö., ÖZDOĞAN O. C.
TURKISH JOURNAL OF GASTROENTEROLOGY
, cilt.29, sa.6, ss.720-721, 2018 (SCI-Expanded)
Hakemli Bilimsel Toplantılarda Yayımlanmış Bildiriler
2023
20231. “The gene expressions and bioinformatics analysis of miR-146b-5p and miR-4510 in Hepatocellular Carcinoma”
BİRCAN KADIOĞLU D., DEMİRTAŞ C. Ö., PİRİM D., Gündüz F., EREN F.
EASL Liver Cancer Summit, Estoril, Portekiz, 20 Nisan 2023, ss.134-135, (Özet Bildiri)
2019
20192. ARTERIAL STIFFNESS IS INDEPENDENTLY ASSOCIATED WITH LIVER STIFFNESS IN BIOPSY-PROVEN NON-ALCOHOLIC FATTY LIVER DISEASE: A TRANSIENT ELASTOGRAPHY STUDY
Bilgin B. O., SÜNBÜL M., Kani H. T., Demirtas C. O., KEKLİKKIRAN Ç., YILMAZ Y.
Annual Meeting of the American-Association-for-the-Study-of-Liver-Diseases (AASLD) / Liver Meeting, Massachusetts, Amerika Birleşik Devletleri, 8 - 12 Kasım 2019, cilt.70, (Özet Bildiri)
2019
20193. USEFULNESS OF ENDOSCOPIC ULTRASONOGRAPHY ELASTOGRAPHY (EUS-E) TO MEASURE LIVER STIFFNESS
Duman D. G., Alahdab Y., Demirtas C. O., YILMAZ Y., GÜNDÜZ F.
Annual Meeting of the American-Association-for-the-Study-of-Liver-Diseases (AASLD) / Liver Meeting, Massachusetts, Amerika Birleşik Devletleri, 8 - 12 Kasım 2019, cilt.70, (Özet Bildiri)
2019
20194. Annual contrast-enhanced MRI is highly effective in the surveillance of hepatocellular carcinoma in cirrhotic patients
DEMİRTAŞ C. Ö., GÜNDÜZ F., TÜNEY D., BALTACIOĞLU F., ÖZEN ALAHDAB Y., ÖZDOĞAN O. C.
International Liver Congress / 54th Annual Meeting of the European-Association-for-the-Study-of-the-Liver (EASL), Vienna, Avusturya, 10 - 14 Nisan 2019, cilt.70, (Özet Bildiri)