Dr. Çağdaş Erdoğan | Gastroenterology in Istanbul

Associate Professor Dr. Çağdaş Erdoğan is a specialist in Gastroenterology with experience in the diagnosis and treatment of a wide range of conditions in this field. He provides his services at Liv Hospital Topkapı, with a focus on accurate care delivered according to the latest medical practices, supporting patient health and improving quality of life.

Education

2008-2014: Dokuz Eylül University School of Medicine, Medical Doctor
2014-2019: Dokuz Eylül University School of Medicine, Internal Medicine Residency Training
2019-2022: University of Health Sciences Ankara City Hospital, Gastroenterology Clinic, Subspecialty Training in Gastroenterology
23.02.2024: Associate Professorship in Gastroenterology

Professional Experience

July 2014 – December 2014: Sinop Gerze State Hospital, General Practitioner
December 2014 – January 2019: Dokuz Eylül University, Department of Internal Medicine, Research Assistant
February 2019 – November 2019: Hakkari State Hospital, Internal Medicine Specialist
November 2019 – January 2023: SBÜ Ankara Bilkent City Hospital, Gastroenterology Clinic, Gastroenterology Subspecialty Assistant
January 2023 – Present: Ankara Etlik City Hospital, Gastroenterology Clinic, Gastroenterology Specialist / Associate Professor

Foreign Language

English

Scientific Research and Publications

2026

İnan B, Akbay A, Turan Erdoğan B, Erdoğan Ç, Ateş İ, Ersoy O. Impact of Diabetes Mellitus on Disease Severity and Mortality in Acute Pancreatitis: A Retrospective Single-Center Cohort Study. J Clin Med. 2026;15(2):505. DOI: 10.3390/jcm15020505.
Ödemiş B, Kenarlı K, Özdemir M, Erdoğan Ç, Aydın O, Bostancı EB, et al. Endoscopic Treatment of Biliary Anastomotic Strictures After Liver Transplantation: Algorithmic Approach of a Single Tertiary Center. Surg Laparosc Endosc Percutan Tech. 2026. Online ahead of print.

2025

Karpuzcu HC, Yarbaş G, Çatalbaş R, Atlı NA, Erdoğan Ç. The effect of pre-procedural anxiety level on the quality of upper GI endoscopy in non-sedated patients: “Can the need for sedation be predicted?” Ther Adv Gastroenterol. 2025;18:17562848251333025. DOI: 10.1177/17562848251333025.
Yarbaş G, Karpuzcu HC, Çatalbaş R, Erdoğan Ç. Exploring Anxiety Triggers in Non-sedated Upper Gastrointestinal Endoscopy: A Prospective Analysis. Dig Dis Sci. 2025. DOI: 10.1007/s10620-025-09216-3.
Yüksel M, Yekeler E, Kenarlı K, Kılıç DT, Çelik Başaran F, Çağır Y, Akbay A, Akın FE, Hamamcı M, Kalkan Ç, Köseoğlu HT, Erdoğan Ç. Enhancing Lung Transplant Outcomes: The Critical Role of Pretransplant Gastroenterological Evaluations. Transplant Proc. 2025;57(5):859–867. DOI: 10.1016/j.transproceed.2025.03.014.
Yüksel M, Kenarlı K, Sarıaltın F, Sözen ES, Akbay A, Deniz E, Köken K, Erdoğan Ç, Hamamcı M, Köseoğlu HT. Six-Month Outcomes of Endoscopic Intragastric Balloon Therapy: A Prospective Single-Center Study. Turk J Gastroenterol. 2025. Advance online publication. DOI: 10.5152/tjg.2025.25043.
Erdoğan Ç, Karpuzcu HC. Evaluation of critical factors predicting the development of hepatorenal syndrome in hospitalized cirrhotic patients. Anatolian Curr Med J. 2025;7(1):15–21. DOI: 10.38053/acmj.1523936.
Karpuzcu HC, Erdoğan Ç. The clinical efficacy and safety of ERCP in traumatic pancreatic injuries: A systematic review and meta-analysis. World J Emerg Surg. 2025;20(1):52. DOI: 10.1186/s13017-025-00631-5.
Erdoğan Ç, Kenarlı K, Ödemiş B. Endoscopic treatment of minor biliary tract injuries due to cholecystectomy: Single-center experience. Diagn Interv Endosc. 2025;3(3):39–43.
Kenarli K, Ödemiş B, Başpınar B, Erdoğan Ç, Keskin ET, Macif A, Ünver NG. Endoscopic treatment of aberrant right posterior hepatic duct injuries: Single-center results. Surg Endosc. 2025;39(9):5916–5926. DOI: 10.1007/s00464-025-12013-8.
Bozkına AÇ, Erdoğan Ç, Kıran Taşçı E, Sargın A, Karakoyun M, Buyruk AM. Peroral endoscopic myotomy in pediatric achalasia: A two-center retrospective cohort study with early feeding and early discharge. Rev Esp Enferm Dig. 2025. Online ahead of print. DOI: 10.17235/reed.2025.11650/2025.

2024

Buyruk AM, Erdoğan Ç. Efficacy and Safety of Peroral Endoscopic Myotomy in the Treatment of Zenker’s Diverticulum: A Single-Center Experience. Turk J Gastroenterol. 2024;35(2):119.
Buyruk AM, Erdoğan Ç. Esophageal Squamous Papillomatosis Associated with Low-Grade Dysplasia Treated with Endoscopic Submucosal Dissection. Turk J Gastroenterol. 2024;35(9):752.
Karpuzcu HC, Turan Erdoğan B, Erdoğan Ç. The effect of adding pancreatin to standard otilonium bromide and simethicone treatment in type 2 diabetes mellitus patients with irritable bowel syndrome. Sci Rep. 2024;14(1):24661. DOI: 10.1038/s41598-024-74694-w.
Buyruk AM, Erdoğan Ç, Tekin F. The Impact of Early Nutrition Following Peroral Endoscopic Myotomy in Achalasia: A Tertiary Center Experience. Turk J Gastroenterol. 2024;35(3):186.
Yüksel M, Erdoğan Ç, Köseoğlu HT, Neselioglu S, Kenarlı K, Akbay A, Göktaş MD, Kalkan Ç, Hamamcı M, Dölek MM. Unveiling the link: Helicobacter pylori infection and its impact on ischemia-modified albumin, thiol, and disulfide levels. Turk J Biochem. 2024;49(2):296–302.
Köseoğlu HT, Kenarlı K, Akbay A, Erdoğan Ç, Macif A, Göktaş MD, Hamamcı M, Kalkan Ç, Sarıaltın F, Yüksel M. Intragastric injection of botulinum toxin in the treatment of obesity: A single-center study. Ther Adv Gastrointest Endosc. 2024;17:26317745241233083.
Hamamcı M, Kenarlı K, Köseoğlu HT, Akbay A, Erdoğan Ç, Macif A, Göktaş MD, Kalkan Ç, Sarıaltın F, Yüksel M. Is Helicobacter pylori positivity a factor in the success of intragastric botulinum toxin injection for treating obesity? Akademik Gastroenteroloji Dergisi. 2024;23(2):41–48.

2023

Erdoğan Ç, Güven İE, Başpınar B, Kılıç ZMY. Evaluation of pancreatic stent and/or suppository indomethacin efficacy in post-ERCP pancreatitis prophylaxis: A single-center experience. J Health Sci Med. 2023;6(2):374–379.
Erdoğan Ç, Arı D, Yeşil B, Koşar K, Coşkun O, Tenlik İ, Köseoğlu HT, Yüksel M. Evaluation of non-gastric upper gastrointestinal system polyps: An epidemiological assessment. Sci Rep. 2023;13(1):6168.
Erdoğan Ç, Durak MB, Alkan A, Kılıç V, Kıvrakoğlu F, Koşar K, Yüksel İ. Comparison of infliximab with adalimumab in biologic-naïve patients with Crohn’s disease: A single-center 13-year experience. Eur Rev Med Pharmacol Sci. 2023;27(12).
Erdoğan Ç. Evaluation of Lipid Profile Changes in Patients with Inflammatory Bowel Disease: A Single-Center Experience. Int Intern Med J. 2023;1(4):164–169.
Erdoğan Ç, Turan Erdoğan B. The Impact of Type 2 Diabetes Mellitus on Treatment Success in IBS Patients. Int Intern Med J. 2023;1(4):170–178.
Erdoğan Ç, Alacacıoğlu İ. Retrospective Evaluation of Immunomodulatory Agents’ Response and Side Effects in Relapsed and Refractory Multiple Myeloma Patients. Int J Med Sci Dent Res. 2023;6(5):1–11.
Erdoğan Ç, Güven İE, Başpınar B, Kılıç ZMY. Monocyte/High-Density Lipoprotein Ratio as an Inflammatory Marker in Patients with Irritable Bowel Syndrome. Med Sci Discov. 2023;10(10):744–748.
Erdoğan Ç. Comparison of Routine Upper Gastrointestinal Endoscopy and Laryngeal Examination in the Detection of Laryngopharyngeal Lesions in Patients With or Without Gastroesophageal Reflux. Diagn Interv Endosc. 2023;2(3):62–66.
Erdoğan Ç, Alkan A, Koşar K, Bahaddin M, Durak YÇ, Yüksel İ. Outcomes of Adalimumab Biosimilar ABP 501 in Patients with Inflammatory Bowel Disease: Comparison of Adalimumab-Naïve Patients and Patients Switching from the Originator. Int J Med Sci Dent Res. 2023;6(5):42–53.
Ödemiş B, Durak MB, Atay A, Başpınar B, Erdoğan Ç. A Step-Up Approach Using Alternative Endoscopic Modalities Is an Effective Strategy for Postoperative and Traumatic Pancreatic Duct Disruption. Dig Dis Sci. 2023;68(9):3745–3755.
Arı D, Ödemiş B, Başpınar B, Atay A, Erdoğan Ç. Ectopic Opening of the Common Bile Duct into the Duodenal Bulb: A Single Tertiary Center Experience. Surg Laparosc Endosc Percutan Tech. 2023;33(6):640–644.
Durak MB, Erdoğan Ç, Güven İE, Yüksel İ. Clinical Significance of Gastrointestinal Symptoms in Hospitalized Patients with COVID-19 Infection. J Contemp Med. 2023;13(1):19–23.
Buyruk AM, Erdoğan Ç, Tekin F, Turan İ, Özütemiz Ö, Ersöz G. The use of fully covered self-expandable metal stents in the endoscopic treatment of portal cavernoma cholangiopathy. BMC Gastroenterol. 2023;23(1):414.
Odemis B, Erdogan C, Durak MB, Simsek C. Endoscopic Treatment of Biliary Complications After Liver Transplantation: Single Tertiary Center Experience. Hepatology. 2023;78(Suppl):S357–S358.

2022

Erdoğan Ç, Yeşil B, Bacaksız F, Arı D, Gökbulut V, Yüksel M, Özin YÖ, Kayaçetin E. Use of Vedolizumab in Inflammatory Bowel Disease: A Single-Center Experience. Turk J Gastroenterol. 2022;33(10):831.
Erdoğan Ç, Köseoğlu HT, Yüksel M. Perianal Paget Disease: A Rare Case. Gastroenterol Nurs. 2022;45(6):452–453.
Gökçe DT, Ödemiş B, Erdoğan Ç. Magnetic compression anastomosis using double-balloon enteroscopy for complete obstruction of a Roux-en-Y hepaticojejunostomy anastomosis. Endoscopy. 2022;54(S 02):E945–E947.
Ödemiş B, Erdoğan Ç, Başpınar B, Coşkun O, Kılıç MZY. Endoscopic treatment of Bouveret syndrome with holmium laser lithotripsy. Endoscopy. 2022;54(S 02):E997–E998.
Arı D, Erdoğan Ç, Yüksel M, Yeşil B, Gökçe DT, Bacaksız F, Kayaçetin E. Using the Charlson comorbidity index as a prognostic factor in lower gastrointestinal bleeding: The experience of a tertiary center. J Health Sci Med. 2022;5(6):1752–1757.
Ödemiş B, Başpınar B, Erdoğan Ç, Koc DO, Coşkun BDO, Torun S. A rare case of a windsock-shaped intraluminal duodenal diverticulum treated successfully with endoscopic diverticulectomy. Endoscopy. 2022;54(S 02):E914–E915.
Başpınar B, Ödemiş B, Erdoğan Ç, Yüksel M. Suprapapillary Needle-Knife Fistulotomy Versus Conventional Precut Sphincterotomy in Difficult Biliary Cannulation: A Retrospective Comparative Study. Surg Laparosc Endosc Percutan Tech. 2022;32(6):700–706.
Yüksel İ, Başpınar B, Durak MB, Kılıç V, Kıvrakoğlu F, Güven İE, Koşar K, Erdoğan Ç, Alkan A. P536: Comparison of outcomes of infliximab biosimilar CT-P13 with infliximab originator in patients with inflammatory bowel disease. J Crohns Colitis. 2022;16(Suppl 1):i487–i487.
Durak MB, Başpınar B, Güven İE, Kıvrakoğlu F, Kılıç V, Koşar K, Erdoğan Ç, Yüksel İ. Comparison of long-term outcomes of infliximab and adalimumab in biologic-naïve patients with ulcerative colitis. J Crohns Colitis. 2022;16:i547–i547.

2021

Yüksel İ, Durak MB, Kılıç V, Kıvrakoğlu F, Koşar K, Erdoğan Ç, Alkan A. P563: Comparison of long-term outcomes of infliximab with adalimumab in biologic-naïve patients with Crohn’s disease: A tertiary referral center’s 13-year experience. J Crohns Colitis. 2021;15(Suppl 1):S525–S526.

2018

Erdoğan Ç. Retrospective evaluation of treatment response and side effects of immunomodulatory agents (IMiDs) in patients with relapsed or refractory multiple myeloma. Faculty of Medicine publication / thesis. 2018.