Diagnosis komprehensif patologi kolorektal Dokter Terbaik di Istambul - TOP-28 dokter

Dr. Tarık Akar adalah seorang internis berpengalaman. Ia lulus dari Fakultas Kedokteran Cerrahpaşa, Universitas Istanbul pada tahun 2000. Ia menyelesaikan pelatihan spesialisasinya pada tahun 2004. Dr. Akar telah menerbitkan 19 makalah internasional dan 6 makalah lokal. Ia juga telah mempresentasikan 25 makalah di kongres medis. Prestasi ini menunjukkan kontribusinya yang kuat terhadap ilmu kedokteran.

Dr. Akar mengkhususkan diri dalam prosedur endoskopi lanjutan. Ini termasuk POEM untuk akalasia, ESD untuk kanker gastrointestinal tahap awal, dan ERCP untuk gangguan saluran empedu. Ia juga melakukan Z-POEM untuk Divertikulum Zenker dan G-POEM untuk gastroparesis. Ia telah menerima penghargaan seperti Presentasi Verbal Terbaik dan Poster Terbaik pada Kongres Kanker Sistem Gastrointestinal Internasional ke-7.

Dia telah bekerja sebagai dokter spesialis penyakit dalam dan spesialis onkologi medis di Pusat Medis Anadolu sejak tahun 2021.
 

Dr. Mustafa Solak adalah seorang dokter onkologi medis dengan keahlian dalam kanker payudara, testis, ovarium, paru-paru, kepala-leher, dan saluran pencernaan. Ia lulus dari Fakultas Kedokteran Universitas Hacettepe. Ia menyelesaikan program residensinya di Rumah Sakit Pengajaran dan Penelitian Istanbul Sisli Etfal. Ia kemudian melanjutkan program fellowship di Institut Kanker Universitas Hacettepe.

Dr. Solak telah menangani banyak kasus kanker yang kompleks. Ia telah berkontribusi pada kemajuan klinis di pusat-pusat terkemuka, termasuk University of Texas MD Anderson Cancer Center. Ia juga pernah bekerja di Rumah Sakit Pelatihan Hitit University Corum dan Rumah Sakit Medical Park. Pengalamannya menunjukkan komitmen yang kuat terhadap perawatan dan penelitian kanker.

Dr. Sertkaya lulus dari SMA Sains Konya Meram pada tahun 2001 dan masuk Fakultas Kedokteran Universitas Gazi pada tahun yang sama, lulus pada tahun 2008. Dia menyelesaikan spesialisasi urologinya di Rumah Sakit Pelatihan dan Penelitian Haydarpaşa Numune pada tahun 2014, menjadi spesialis urologi.

Sejak menjadi spesialis, dia fokus pada sub-bidang Andrologi, menghadiri berbagai sesi pelatihan dan konferensi serta melakukan operasi bersama beberapa profesor Andrologi terkemuka dunia. Pada tahun 2017, ia lulus ujian kecakapan tertulis dan lisan yang dilaksanakan oleh Asosiasi Urologi Eropa, memperoleh gelar "FEBU."

Pada tahun 2020, Dr. Sertkaya mencapai pangkat Profesor Madya Urologi. Perjalanannya dalam Urologi dan Andrologi, yang dimulai pada tahun 2008, berlanjut di Pusat Kesehatan dan Estetika Pria Andro Expertise, yang ia dirikan pada tahun 2022. Dia melayani pasien di kliniknya sendiri dan melakukan operasi di rumah sakit yang bekerja sama.

Prof. Dr. Engin Tutar was born in Istanbul in 1964. He completed his primary and secondary education at Istanbul Erkek Lisesi between 1975 and 1982, and graduated from Istanbul University Istanbul Faculty of Medicine in 1988. In December of the same year, he started his specialization in the Department of Pediatrics at Dr. Lütfi Kırdar Kartal Training and Research Hospital, becoming a specialist in Pediatrics in February 1993. He completed his subspecialty training in Pediatric Gastroenterology, Hepatology, and Nutrition at Marmara University Faculty of Medicine, becoming a subspecialist in 2006. He served as the Assistant Chief Physician and Acting Chief Physician at the 2nd Pediatric Clinic of Dr. Lütfi Kırdar Kartal Training and Research Hospital between 2010 and 2012. In May 2012, he transferred to Marmara University Faculty of Medicine, where he became an Associate Professor in Pediatric Gastroenterology, Hepatology, and Nutrition in 2014, and a Professor in 2020. Alongside his international and national article authorships, he has given over 50 presentations at congresses/courses/association meetings. He retired in May 2024 while serving as the head of the Pediatric Gastroenterology, Hepatology, and Nutrition department at Marmara University Faculty of Medicine. As of June 2024, he is accepting patients at Hisar Hospital Intercontinental.

MEDICAL INTERESTS

• Healthy child monitoring
• Growth and nutritional disorders
• Approach to patients with abdominal pain
• Gastroesophageal reflux
• Chronic diarrhea and chronic constipation
• Celiac disease
• Inflammatory bowel disease
• H. pylori infection-related and unrelated gastritis and ulcers, patients with gastric bleeding
• Liver, gallbladder, and pancreas diseases
• Acute and chronic gastrointestinal infections
• Diagnostic upper and lower gastrointestinal endoscopy
• Therapeutic upper and lower gastrointestinal endoscopy (esophageal variceal bleeding, gastric and small bowel ulcer bleeding, polypectomy)
• 
   

Education:

• Bachelor of Science (MD): Faculty of Medicine, Uludag University, 1989

Specialized Education and Experience:

• General Surgery Specialist Degree: Ankara Numune Training and Research Hospital, 1997
• Fellowship: Gastroenterology Surgery, Türkiye High Specialization Hospital, 2005

Academic Career:

• Associate Professor: General Surgery, Inonu University, 2011
• Professorship: General Surgery, İnönü University, 2017

Dr. Yahya Özel is a highly experienced general surgeon with expertise in bariatric surgery, hepatobiliary diseases, abdominal hernias, endocrine surgery, and oncological surgery. He completed his medical education at Istanbul University, Istanbul Faculty of Medicine in 1990 and pursued his specialization in General Surgery at Haydarpaşa Numune Training and Research Hospital between 2001 and 2006. His commitment to advanced surgical techniques led him to further training at Tokyo University Hospital, Japan, in the Hepato-Biliary-Pancreatic Surgery and Artificial Organ Division under renowned experts M. Makuuchi and N. Kokudo.

Throughout his career, Dr. Özel has worked at prestigious institutions, including Istanbul University Faculty of Medicine, Haydarpaşa Numune Training and Research Hospital, and Ümraniye Training and Research Hospital. His extensive experience includes roles in ERCP and surgical endoscopy, as well as advanced laparoscopic and robotic surgery. In addition to his clinical practice, he has served as an academic faculty member at Doğuş University, contributing to the education and training of future medical professionals.

Dr. Özel holds several certifications in surgical endoscopy, including the Turkish Surgical Proficiency Certificate. His dedication to minimally invasive surgical techniques, obesity treatment, and hepatobiliary surgery has made him a sought-after specialist in his field. With a career spanning over three decades, he continues to provide high-quality, patient-centered surgical care, ensuring the best outcomes through his expertise and innovative approach.

Experience:

2022 - 

Medipol Bahçelievler

2021 - 2022

MEDIPOL UNIVERSITY SEFAKÖY HOSPITAL

2018 - 2020

İSTİNYE UNIVERSITY FACULTY OF MEDICINE

2014 - 2020

TOKAT STATE HOSPITAL

2010 - 2010

BINGOL STATE HOSPITAL

Education:

2021

MEDIPOL UNIVERSITY, GASTROTEROLOGY

2018

İSTINYE UNIVERSITY, INTERNAL DISEASES USA

2014

ANKARA TRAINING AND RESEARCH HOSPITAL, GASTROENTEROLOGY

2010

FIRAT UNIVERSITY, FACULTY OF MEDICINE/INTERNAL MEDICAL SCIENCES DEPARTMENT/INTERNAL MEDICINE DEPARTMENT

2004

FIRAT UNIVERSITY, FACULTY OF MEDICINE

A. International Peer-Reviewed Journal Articles:

Title: Fatal fulminant hepatitis B after withdrawal of entecavir treatment in a patient with HBeAg seroconversion.

• Authors: Sarıkaya Murat, Koçak Erdem, Köklü Seyfettin, Babalı Ayşegül, Çakal Başak
• Journal: Acta Gastro-Enterologica Belgica
• Year: 2012
• Volume/Issue: (Kontrol No: 1206043)

Title: Acute gastric obstruction resulting from gallstone-induced bezoar.

• Authors: Sarıkaya Murat, Koçak Erdem, Köklü Seyfettin, Akbal Erdem
• Journal: The American Surgeon
• Year: 2012
• Volume/Issue: 78(12)
• Page: 529
• (Kontrol No: 1129707)

Title: Garlic-induced esophagitis.

• Authors: Doğan Zeynal, Sarıkaya Murat, Filik Levent, Ergül Bilal
• Journal: Acta Gastro-Enterologica Belgica
• Year: 2013
• Volume/Issue: 76(2)
• Page: 262
• (Kontrol No: 1131422)

Title: Association between Helicobacter pylori and liver-to-spleen ratio.

• Authors: Doğan Zeynal, Sarıkaya Murat, Filik Levent, Ergül Bilal
• Journal: European Journal of Gastroenterology & Hepatology
• Year: 2013
• Volume/Issue: 25(1)
• Pages: 107-110
• Citations: 7
• DOI: 10.1097/MEG.0b013e3283590c10
• (Kontrol No: 1131424)

Title: Crohn's disease masked by median arcuate ligament syndrome.

• Authors: Bıyıkoğlu İbrahim, Sarıkaya Murat, Uysal Ramadan Selma, Ergül Bilal, Doğan Zeynal
• Journal: Chinese Medical Journal
• Year: 2013
• Volume/Issue: 126 (14)
• Page: 2798
• Citations: 1
• (Kontrol No: 1131477)

Title: Telaprevir and anemia: What we learned from the first three patients.

• Authors: Sarıkaya Murat, Doğan Zeynal, Ergül Bilal, Filik Levent
• Journal: Scandinavian Journal of Infectious Diseases
• Year: 2013
• Volume/Issue: 45(7)
• Page: 575-575
• Citations: 2
• DOI: 10.3109/00365548.2012.759271
• (Kontrol No: 1129738)

Title: Magnesium and parathyroid hormone levels of patients using different proton pump inhibitors.

• Authors: Sarıkaya Murat, Filik Levent, Ergul Bilal, Doğan Zeynal
• Journal: Gastroenterology Nursing
• Year: 2013
• Volume/Issue: 36 (2)
• Pages: 145-148
• DOI: 10.1097/SGA.0b013e31828d3753
• (Kontrol No: 1129715)

Title: Is topical pharyngeal anesthesia necessary in esophagogastroduodenoscopy in all unsedated patients?

• Authors: Ergül Bilal, Sarıkaya Murat, Doğan Zeynal, Filik Levent, Bıyıkoğlu İbrahim
• Journal: Digestive Endoscopy
• Year: 2013
• Volume/Issue: 25(1)
• Pages: 90-91
• Citations: 2
• DOI: 10.1111/j.1443-1661.2012.01383.x
• (Kontrol No: 1129879)

Title: Inpatient Care Of Hepatitis C: Applying The Four Pillars Model To The Hospital Setting.

• Authors: Sarıkaya Murat, Filik Levent, Doğan Zeynal, Ergül Bilal
• Journal: Gastroenterology Nursing
• Year: 2013
• Volume/Issue: 36(2)
• Pages: 141-144
• DOI: 10.1097/SGA.0b013e31828d33db
• (Kontrol No: 1129712)

Title: "The "Bouveret's Syndrome" Case Resolved Without Necrotic Changes."

• Authors: Bilal Ergül, Murat Sarıkaya, Zeynal Doğan, Sevda İdil, Tarkan Karakan, Abdullah Çetin Köseoğlu
• Journal: Case Reports in Gastrointestinal Medicine
• Year: 2013
• Volume/Issue: 2013
• Article ID: 725434
• DOI: 10.1155/2013/725434
• (Kontrol No: 1131423)

Title: Severe acute pancreatitis due to hypertriglyceridemia.

• Authors: Sarıkaya Murat, Doğan Zeynal, Ergül Bilal, Filik Levent, Bıyıkoğlu İbrahim
• Journal: Case Reports in Gastrointestinal Medicine
• Year: 2013
• Volume/Issue: 2013
• Article ID: 945902
• DOI: 10.1155/2013/945902
• (Kontrol No: 1131425)

Title: Gallstone Ileus Caused by Cholecystoenteric Fistula Demonstrated on Computed Tomography.

• Authors: Sarıkaya Murat, Doğan Zeynal, Ergül Bilal, Filik Levent, Sevda İdil
• Journal: Case Reports in Medicine
• Year: 2013
• Volume/Issue: 2013
• Article ID: 652960
• DOI: 10.1155/2013/652960
• (Kontrol No: 1131426)

Title: Intestinal Perforation Due to Ingested Chicken Bone Mimicking Crohn's Disease.

• Authors: Sarıkaya Murat, Doğan Zeynal, Ergül Bilal, Filik Levent
• Journal: Case Reports in Gastrointestinal Medicine
• Year: 2013
• Volume/Issue: 2013
• Article ID: 604820
• DOI: 10.1155/2013/604820
• (Kontrol No: 1131427)

Title: Acute pancreatitis induced by hypertriglyceridemia: A case-based review.

• Authors: Sarıkaya Murat, Doğan Zeynal, Ergül Bilal, Filik Levent
• Journal: Turkish Journal of Gastroenterology
• Year: 2013
• Volume/Issue: 24(3)
• Pages: 276-280
• DOI: 10.4318/tjg.2013.0565
• (Kontrol No: 1129727)

Title: An Unusual Complication of Endoscopic Retrograde Cholangiopancreatography: Severe Acute Pancreatitis Leading to Death.

• Authors: Sarıkaya Murat, Doğan Zeynal, Ergül Bilal, Filik Levent, Tarkan Karakan
• Journal: Case Reports in Gastrointestinal Medicine
• Year: 2013
• Volume/Issue: 2013
• Article ID: 658370
• DOI: 10.1155/2013/658370
• (Kontrol No: 1131475)

Title: A Rare Cause of Abdominal Pain: Mesenteric Panniculitis.

• Authors: Sarıkaya Murat, Doğan Zeynal, Ergül Bilal, Filik Levent
• Journal: Case Reports in Gastrointestinal Medicine
• Year: 2013
• Volume/Issue: 2013
• Article ID: 925259
• DOI: 10.1155/2013/925259
• (Kontrol No: 1131476)

B. Contributions to Scientific Conferences:

Title: Suicidal poisonings in Turkey: demographic and clinical aspects.

• Authors: Sarikaya M., Gunes A., Goksu E., Erdogan G., Ozen C., Kaya A.
• Conference: 30th European Congress of Clinical Toxicology (EAPCCT)
• Year: 2000
• Abstract ID: P44
• (Kontrol No: 1131478)

Title: A Rare Cause of Gastrointestinal Bleeding: Aortoenteric Fistula.

• Authors: Doğan Zeynal, Sarıkaya Murat, Filik Levent, Ergül Bilal
• Conference: World Congress of Gastroenterology
• Year: 2013
• Abstract ID: P1367
• (Kontrol No: 1131479)

Dr. Omer Necip Aytug is a respected gastroenterologist. He graduated from Hacettepe University School of Medicine in 1980. He became an internist at Cukurova University in 1985. He completed his gastroenterology fellowship at Marmara University in 1997.

He was named Associate Professor at Firat University in 1989. In 1998, he became a Professor at Abant Izzet Baysal University. Dr. Aytug has written many scientific papers and book chapters. He has also attended several national and international congresses.

He has held important academic and clinical roles at Duzce University Faculty of Medicine, Camlica Medicana Hospital, and Memorial Service Hospital. These positions have established him as an expert in gastroenterology.

Prof. Dr. Sezer Sağlam is a medical oncologist at Gayrettepe Florence Nightingale Hospital. He specializes in gastrointestinal and breast cancers. He has contributed to cancer care through research, especially with his study on the best timing for surgery after neoadjuvant therapy in rectal cancer. This work has influenced global treatment protocols.

Dr. Sağlam has led clinical trials in targeted therapies and precision medicine. His research on liver-transplanted patients with hepatocellular carcinoma was nominated for the 2024 International Best Researcher Award. He is a member of ASCO, ESMO, and ENET. Dr. Sağlam provides personalized and evidence-based oncology care.

Education

MD; Hacettepe University Faculty of Medicine (2001)

Residencies

Internal Medicine; Ministry of Health Ankara Diskapi Education and Research Hospital (2009)

Pathology; Gazi University Faculty of Medicine (2004)

Fellowships

Gastroenterology and Hepatology; Necmettin Erbakan University Faculty of Medicine (2013)

Experiences

Demiroglu Bilim University Faculty of Medicine, Department of Gastroenterology and Hepatology

Istanbul Florence Nightingale Hospital (2019- currently)

Alanya Alaaddin Keykubat University Faculty of Medicine, Department of Gastroenterology and Hepatology (2017-2019)

Bundang CHA Hospital, Seoul, Korea (2018)

Konya Education and Research Hospital, Department of Gastroenterology  (2014-2017)

Certificates

Advanced Endoscopy Certificate, Bundang CHA Hospital, Seoul, Korea, 2018

Bariatric Endoscopy Certificate, Bariatric Endoscopy Global course, Sao Paulo, Brazil, 2020

Awards

2019 Rising Star, 10th Digestive Disease and Endoscopy Symposium

Memberships

Turkish Society of Internal Medicine

Turkish Society of Gastroenterology

ERCP Study Group at Turkish Society of Gastroenterology

European Society of Gastrointestinal Endoscopy

Women in Endoscopy, American Society of Gastrointestinal Endoscopy

Pediatrician, Pediatric Gastroenterology and Nutrition Specialist

Education

Yeditepe University School of Medicine

Professor of Pediatrics (Chair of the Department)

2004 - 2007

Dokuz Eylül University School of Medicine

Pediatric Gastroenterology Sub-specialty

1995 – 1998

Hacettepe University School of Medicine

Pediatrics Instructor

1985 - 1987

Professional Experience

Ataşehir Florence Nightingale Hospital

Pediatrician, Pediatric Gastroenterology

2017 – Present

Kadıköy Şifa Ataşehir Hospital

Pediatric Gastroenterology and Nutrition

2013 – 2017 

Dokuz Eylül University School of Medicine

Professor of Pediatrics

1994 – 2004

Publications

Cevik N, Buyukgebiz B. Interaction between human blood group (ABO) substances and enteropathogenic

bacterial agents. Turk J Pediatr. 1987. Link

Buyukgebiz B, Ozalp I, Oran O. Investigation of serum vitamin A levels of children who had a history of

recurrent diarrhoea. J Trop Pediatrics. 1990. Link

Languages

Turkish: Native

English: Advanced

Education

2005 – M.D., Istanbul University, Istanbul Faculty of Medicine

2010 – Internal Medicine Specialization, Haseki Training and Research Hospital

2021 – Gastroenterology Subspecialty Training, Sakarya University Faculty of Medicine

Academic & Professional Experience

Assistant Professor, Istanbul Florence Nightingale Hospital

Assistant Professor, Istanbul Bilim University Faculty of Medicine

Assistant Professor, Istanbul Yeni Yüzyıl University Faculty of Medicine

Head of Department, Giresun University Faculty of Medicine

Scientific Publications

Dr. Acar has authored over 20 international peer-reviewed articles in the fields of internal medicine and gastroenterology. Her notable contributions include studies and case reports on:

Gastrointestinal bleeding management in anticoagulant users

Rare GI cases such as bezoars, aortoesophageal fistulas, and massive hemorrhagic ascites

Liver transplantation complications, including graft-versus-host disease

The role of (pro)hepcidin in IBD-related anemia

Endoscopic interventions for acute GI bleeding

Covid-19 treatment agents and their GI implications in Turkey

(Full publication list available upon request)

Clinical Expertise

Gastrointestinal bleeding & endoscopic procedures

Hepatology & liver disease management

Inflammatory bowel diseases (IBD)

Complex GI case diagnostics

Post-transplant GI complications

Diabetic GI and cardiovascular comorbidities

ACADEMIC CAREER SUMMARY

Degree: Bachelor's
Field: Medicine
University: Atatürk University
Year: 2001

Degree: Master's
Field: Medicine
University: Atatürk University
Year: 2001

Specialization/Doctorate: Internal Medicine/Gastroenterology
University: İnönü University
Year: 2012

Associate Professorship: Gastroenterology
University: İnönü University
Year: 2018

Foreign Language: English, 67.5, 2007

H-index (WoS/Google): 8/10

Impact Factor: 8.1577

Key Research Work:
“Does apocynin increase liver regeneration in the partial hepatectomy model?” Yılmaz Bilgiç, Burhan Hakan Kanat, Onural ÖZHAN, Azibe YILDIZ, Zeynep AKSUNGUR, Mehmet Erman ERDEMLİ, Nigar VARDI, Yusuf TÜRKÖZ, Sami AKBULUT, Adem KÖSE, Hakan PARLAKPINAR. Turkish Journal of Medical Sciences, 2023 (53), 1-12 Q3.

Declared Project Title, Year:
K.3.6. “Investigation of the Effects of Vinpocetine in Sepsis Created by Cecal Ligation and Puncture in Rats” (Principal Investigator), 2023

International Experience:
Advanced Endoscopy Training, Anam Hospital, South Korea (3 months, 2016)
Advanced ERCP Course, Olympus Training Center, Hamburg (2017)

ADMINISTRATIVE POSITIONS

• Institution: İnönü University Turgut Özal Medical Center
  City: Malatya
  Position: Assistant Chief Physician
  Period: 2021 - 2024

Dr. Ercan Ozden is a specialist in internal medicine and medical oncology. He earned his medical degree and completed his residency at Istanbul University, Cerrahpaşa Faculty of Medicine. He later received a subspecialty in medical oncology at Kocaeli University Faculty of Medicine from 2016 to 2020.

Dr. Ozden has worked in medical oncology at Şırnak State Hospital. He has also served as an internal medicine specialist at Bağcılar Private Safa Hospital and Küçükçekmece Batı Bahat Hospital. He has extensive clinical experience in both internal medicine and oncology.

Assoc. Prof. Atakan Topçu, M.D., is a medical oncologist at Medipol University and Medipol Acıbadem Regional Hospital. He treats solid tumors, including lung, breast, colorectal, gastric, and neuroendocrine cancers. His work also covers targeted therapies, immunotherapy, geriatric oncology, and cancer-related malnutrition, cachexia, and sarcopenia.

He has authored more than 50 peer-reviewed papers. Recent work includes a 2024 Frontiers in Medicine study on geriatric syndromes and a 2023 Future Oncology paper on sarcopenia and anxiety in lung cancer. He has also published on the CONUT score in breast cancer and on malnutrition in HER2-negative metastatic gastric cancer.

Dr. Topçu serves on the Editorial Board of BMC Cancer. He is a member of the Turkish Society of Medical Oncology, ESMO, and the Turkish Geriatrics Society. Education and training: M.D., Uludağ University; residency in Internal Medicine, Marmara University; fellowship in Medical Oncology, Bezmialem Vakıf University.

PROFESSIONAL EXPERIENCE

2011-2012
Erzurum Koprukoyu State Hospital
Department: General Medicine

2012-2017
Istanbul University Cerrahpaşa Medical Faculty
Department: Internal Medicine

06/2017-10/2017
Istanbul Gaziosmanpasa Taksim Training and Research Hospital
Department: Internal Medicine

10/2017-11/2018
Istanbul University Istanbul Medical Faculty
Department: Allergy and Immunology Fellowship

2018/2022
Istanbul University Oncology Institute
Department: Medical Oncology Fellowship

2022-2023
Tekirdag City Hospital
Department: Medical Oncology Specialist

2023-present
Istanbul Medipol University Medipol Bahcelievler Private Hospital
Department: Medical Oncology Assoc. Prof.

EDUCATION

2005-2011
Medical Education
Sivas Cumhuriyet University Medical Faculty, Sivas, Turkey

2012-2017
Internal Medicine
Istanbul University Cerrahpaşa Medical Faculty, Department of Internal Medicine, Istanbul, Turkey

2017-2018
Allergy-Immunology Fellowship
Istanbul University Istanbul Medical Faculty
Department of Internal Medicine, Division of Allergy and Immunology, Istanbul, Turkey

2018-2022
Medical Oncology Fellowship
Istanbul University Oncology Institute, Department of Medical Oncology, Istanbul, Turkey

2022
ESMO Board Certification in Medical Oncology
10th September 2022 in Paris, France.

2023
Medical Oncology Assoc. Prof.
Istanbul Medipol University Department of Medical Oncology, Istanbul, Turkey

INTERNATIONAL CLINICAL TRIALS:

1. Astefania - ROCHE

• Title: A Study Evaluating the Efficacy and Safety of Adjuvant Atezolizumab or Placebo and Trastuzumab Emtansine for Participants With HER2-Positive Breast Cancer at High Risk of Recurrence Following Preoperative Therapy
• Role: Subinvestigator

2. PFİZER

• Title: A Study Of Lorlatinib Versus Crizotinib In First-Line Treatment Of Patients With ALK-Positive NSCLC
• Role: Subinvestigator

3. RECITE - AMGEN

• Title: Study of Romiplostim for Chemotherapy-induced Thrombocytopenia in Adult Subjects With Gastrointestinal, Pancreatic, or Colorectal Cancer
• Role: Subinvestigator

4. NAVIGATE - BAYER

• Title: A Study to Test the Effect of the Drug Larotrectinib in Adults and Children With NTRK-fusion Positive Solid Tumors
• Role: Subinvestigator

5. RUBY - Tesaro (PRA)

• Title: A Phase 3, Randomized, Double-blind, Multicenter Study of Dostarlimab (TSR-042) Plus Carboplatin-paclitaxel Versus Placebo Plus Carboplatin-paclitaxel in Patients With Recurrent or Primary Advanced Endometrial Cancer
• Role: Subinvestigator

6. ENGOT-ov43/GOG-3036 - MSD

• Title: Study of Chemotherapy With Pembrolizumab (MK-3475) Followed by Maintenance With Olaparib (MK-7339) for the First-Line Treatment of Women With BRCA Non-mutated Advanced Epithelial Ovarian Cancer (EOC) (MK-7339-001/KEYLYNK001/ENGOT-ov43/GOG-3036)
• Role: Subinvestigator

7. ASTRA ZENECA

• Title: To Study Clinical Effectiveness and Safety of Olaparib Monotherapy in Metastatic Breast Cancer Patients.
• Role: Subinvestigator

8. ROSY-O - ASTRA ZENECA

• Title: Roll Over StudY for Patients Who Have Completed a Previous Oncology Study With Olaparib
• Role: Subinvestigator
•  

INTERNATIONAL PUBLICATIONS

I. Published journal articles indexed by SCI, SSCI, and AHCI

Weekly Paclitaxel in Classic Kaposi Sarcoma

• Authors: Paksoy, N., Khanmammadov, N., Doğan, İ., Ferhatoğlu, F., Ahmed, M. A., Karaman, S., & Aydiner, A.
• Journal: Medicine, 102(5)

Carboplatin Desensitization in Ovarian Carcinoma

• Authors: Paksoy, N., Khanmammadov, N., Doğan, İ., Ferhatoğlu, F., Yildiz, A., Ak, N., & Aydiner, A.
• Journal: Medicine, 101(45), e31726

High-Dose Chemotherapy for Ewing’s Sarcoma

• Authors: Paksoy, N., Ferhatoglu, F., Dogan, İ., Khanmammadov, N., Celik, A. I., Gulbas, Z., & Başaran, M.
• Journal: Medicine, 101(49), e32213

Multidrug Refractory TFE3(+) Renal Cell Carcinoma

• Authors: Paksoy, Nail, et al.
• Journal: Journal of Oncology Pharmacy Practice, 2022, 28.1: 215-221

Crizotinib Efficacy in NSCLC with MET Alterations

• Authors: Gürbüz, M., Kiliçkap, S., Bilici, A., Karadurmuş, N., Sezer, A., Şendur, M. A. N., ... & Demirkazik, A.
• Journal: Medicine, 101(50), e32368

Clinicopathological Features in ALK Mutant NSCLC

• Authors: Dogan, I., Gurbuz, M., Paksoy, N., Ferhatoglu, F., Vatansever, S., Saip, P., ... & Aydiner, A.
• Journal: Medicine, 101(34)

PSMA-Based Tumor Burden in Prostate Cancer

• Authors: HAS SIMSEK, Duygu, et al.
• Journal: Annals of Nuclear Medicine, 2021, 35.6: 680-690

Atezolizumab in Metastatic Urothelial Carcinoma

• Authors: TURAL, Deniz, et al.
• Journal: European Urology Focus, 2021, 7.5: 1061-1066

Pulmonary Sarcomatoid Carcinoma

• Authors: FERHATOGLU, Ferhat, et al.
• Journal: Oncology Research and Treatment, 2021, 44.11: 590-601

Prognostic Factors in Atezolizumab-Treated Urothelial Carcinoma

• Authors: TURAL, Deniz, et al.
• Journal: International Journal of Clinical Oncology, 2021, 26.8: 1506-1513

Atezolizumab with Chemotherapy in Small Cell Lung Cancer

• Authors: GÜRBÜZ, Mustafa, et al.
• Journal: Journal of Cancer Research and Clinical Oncology, 2022, 1-9

FOLFIRINOX vs. Gemcitabine + Nab-Paclitaxel in Pancreatic Cancer

• Authors: AY, Seval, et al.
• Journal: Journal of Chemotherapy, 2022, 1-7

Trastuzumab Emtansine in Older HER2-Positive Breast Cancer Patients

• Authors: CIL, Ibrahim, et al.
• Journal: Tumori Journal, 2022, 108.1: 19-25

Real-Life Efficacy of Osimertinib in Advanced NSCLC

• Authors: HIZAL, Mutlu, et al.
• Journal: Journal of Cancer Research and Clinical Oncology, 2022, 148.6: 1501-1508

ALK-Positive Cells Percentage and Alectinib Efficacy

• Authors: Hizal, M., Bilgin, B., Paksoy, N., Atcı, M. M., Kahraman, S., Kılıçkap, S., ... & Şendur, M. A. N.
• Journal: Journal of Cancer Research and Clinical Oncology, 149(8), 4141-4148

Real-World Data on Alectinib in ALK-Positive NSCLC

• Authors: Hizal, M., Bilgin, B., Paksoy, N., Kılıçkap, S., Atcı, M. M., Kahraman, S., ... & Şendur, M. A. N.
• Journal: Future Oncology, 18(23), 2573-2582

Prognostic Factors in Metastatic RCC with T790M Mutation

• Authors: Dogan, I., Iribas, A., Paksoy, N., Vatansever, S., & Basaran, M.
• Journal: Journal of Cancer Research and Therapeutics

FLOT Regimen in Metastatic Gastric Cancer

• Authors: Tastekin, D., Paksoy, N., Dogan, I., Ferhatoglu, F., Khanmammadov, N., Bozbey, H. U., & Karabulut, S.
• Journal: Journal of Cancer Research and Therapeutics

Desensitization Protocol in Lenalidomide Hypersensitivity Reactions

• Authors: DEMIR, Semra, et al.
• Journal: Annals of Allergy, Asthma & Immunology, 2019, 123.4: 394-397

Factors Associated with Diagnostic Skin Test Positivity in PPI Hypersensitivity

• Authors: ÖZDEMIR, Seçil Kepil, et al.
• Journal: Allergy, 2019, 74.6: 1187-1190

Efficacy of Capecitabine and Temozolomide in Neuroendocrine Tumors

• Authors: Ünal, Ç., Azizy, A., Karabulut, S., Taştekin, D., Akyıldız, A., Yaşar, S., ... & Sağlam, S.
• Journal: The Oncologist, oyad257

Subsequent Treatments in Hormone-Positive Breast Cancer Progression

• Authors: Karacin, C., Oksuzoglu, B., Demirci, A., Keskinkılıç, M., Baytemür, N. K., Yılmaz, F., ... & Hacıbekiroğlu, İ.
• Journal: BMC cancer, 23(1), 192

Termination of Trastuzumab in HER2-Positive Metastatic Breast Cancer

• Authors: Dogan, I., Aydin, E., Khanmammadov, N., Paksoy, N., Saip, P., & Aydiner, A.
• Journal: Scientific Reports, 13(1), 8779

Long-term Outcomes and Predictors of Recurrence in Node-Negative Early Stage Breast Cancer

• Authors: Dogan, I., Aydin, E., Khanmammadov, N., Paksoy, N., Ferhatoğlu, F., Ak, N., ... & Aydiner, A.
• Journal: Journal of Cancer Research and Clinical Oncology, 1-9

Prognostic Factors Influencing PFS in HER2-Positive Metastatic Breast Cancer

• Authors: Doğan, İ., Paksoy, N., Ak, N., Vatansever, S., Saip, P., & Aydıner, A.
• Journal: European Journal of Breast Health, 19(2), 128

Treatment Efficacy of Ribociclib or Palbociclib plus Letrozole in Metastatic Breast Cancer

• Authors: Kahraman, S., Erul, E., Seyyar, M., Gumusay, O., Bayram, E., Demirel, B. C., ... & Nahit Sendur, M. A.
• Journal: Future Oncology, 19(10), 727-736

Efficacy and Safety of Sorafenib in Adult Metastatic Osteosarcoma Patients

• Authors: Dogan, I., Paksoy, N., & Basaran, M.
• Journal: Journal of Cancer Research and Therapeutics

Single-Agent Temozolomide as Salvage Therapy in Heavily Pretreated Metastatic Sarcoma Patients

• Authors: Dogan, I., Paksoy, N., & Basaran, M.
• Journal: Journal of Cancer Research and Therapeutics

Outcomes and Prognostic Factors in Metastatic Renal Cell Carcinoma with Brain Metastases

• Authors: Dogan, I., Iribas, A., Paksoy, N., Vatansever, S., & Basaran, M.
• Journal: Journal of Cancer Research and Therapeutics

FLOT Regimen in First-Line Treatment of Metastatic Gastric Cancer

• Authors: Tastekin, D., Paksoy, N., Dogan, I., Ferhatoglu, F., Khanmammadov, N., Bozbey, H. U., & Karabulut, S.
• Journal: Journal of Cancer Research and Therapeutics

Prognostic Factors of Perioperative FLOT Regimen in Operable Gastric Cancer

• Authors: Erol, C., Sakin, A., Basoglu, T., Ozden, E., Cabuk, D., Dogan, M., ... & Sendur, M. A. N.
• Journal: [Not specified]

Efficacy and Outcomes of Systemic Chemotherapy in Posttransplant Kaposi Sarcoma

• Authors: Khanmammadov, N., Paksoy, N., Doğan, I., Ferhatoğlu, F., Saip, P., & Aydiner, A.
• Journal: Medicine, 102(39), e35383

Comparison of Second-Line Treatments in Metastatic Renal Cell Carcinoma

• Authors: Pehlivan, M., Paksoy, N., Aydin, E., Basaran, M., & Ekenel, M.
• Journal: Medicine, 102(41), e35245

Toxicity Management and Effectiveness of Regorafenib in Advance GIST Patients: A Real-world Study - Authors: Paksoy, N., Ferhatoğlu, F., Doğan, İ., Khanmammadov, N., Bozbey, H. U., Karabulut, S., & Taştekin, D. - Journal: TURKISH JOURNAL OF ONCOLOGY, 1(1)

Demographic and Clinical Features and Factors Associated with Survival in Patients with Primary Glomerulonephritis: Single Tertiary Center Experience - Authors: Paksoy, N., Trabulus, S., Seyahi, N., & Altiparmak, M. R. - Journal: Namik Kemal Tip Dergisi, 11(1)

Efficacy of Sorafenib in Symptomatic Patients with Pretreated Progressive Desmoid Tumors - Authors: Paksoy, N., Ferhatoglu, F., Dogan, I., Ak, N., Pehlivan, M., Ekenel, M., & Basaran, M.

Nodal Response to Neoadjuvant Chemotherapy is a Better Predictive Factor of Survival Than Miller-Payne Scoring in Breast Cancer - Authors: Ak, Naziye, et al. - Journal: Journal of Oncological Sciences, 7.2: 42-49

Evaluation of Prognostic and Predictive Values of Hemogram Parameters in Patients with Advanced Stage Ovarian Carcinoma - Authors: Ak, Naziye, et al. - Journal: Turkish Journal of Oncology/Türk Onkoloji Dergisi, 2021, 36.4

Identifying Risk Factors Associated with Survival and Drug-Related Toxicities in Imatinib-Resistant Gastrointestinal Stromal Tumor (GIST) Patients Treated with Sunitinib - Authors: Ferhatoglu, F., Karabulut, S., Paksoy, N., & Tastekin, D.

Real-life Outcomes of ROS1 Fusion-positive Metastatic Lung Cancer Patients who were Treated with Crizotinib - Authors: Dogan, İ., Khanmammadov, N., Paksoy, N., Ferhatoglu, F., Aydın, E., Vatansever, S., & Aydine, A. - Journal: TURK ONKOLOJI DERGISI-TURKISH JOURNAL OF ONCOLOGY

Predictors of the acquisition of T790M mutation in EGFR-mutant metastatic lung cancer patients who were treated with EGFR inhibitors - Authors: Dogan, I., Khanmammadov, N., Paksoy, N., Vatansever, S., Saip, P., & Aydıner, A. - Journal: Eurasian Journal of Pulmonology

Laterality of Adrenal Gland Metastasis in Lung Cancer: Results of a Comparative Study - Authors: Ferhatoglu, F., Gagatay, T., Okumus, G., Aydiner, A., Paksoy, N., Ak, N., ... & Saip, P. - Journal: Eurasian Journal of Medical Investigation, 7(2)

Poor Risk Factors Affecting Cancer Patients Infected with Covid-19: A Retrospective Comparative Study from a Pandemic Hospital - Authors: Ferhatoglu, F., Kapağan, T., Paksoy, N., Ak, N., Medetalibeyoğlu, A., Şenkal, N., ... & Vatansever, S. - Journal: Turk Onkoloji Dergisi, 38(1)

Systemic Treatment Outcomes of Progressive Medullary Thyroid Carcinoma from the Registries of a Tertiary Cancer Center - Authors: Ferhatoglu, F., Paksoy, N., & Başaran, M. - Journal: Namik Kemal Tip Dergisi, 10(4)

Evaluation of clinical features and risk factors related to late recurrence (> 5 years) in patients with breast cancer - Authors: Ferhatoglu, F., Aydiner, A., & Paksoy, N. - Journal: Journal of Surgery & Medicine (JOSAM), 6(12)

Assessing the Clinical Impact of Lutetium-177 DOTATATE Peptide Receptor Radionuclide Therapy (PRRT) on Metastatic Neuroendocrine Tumors: A Multicenter Real-World Data from Türkiye

Thesis:

Istanbul University Cerrahpaşa Medical Faculty, Internal Medicine Department PAKSOY, Nail. Demographical, clinical characteristics and survival factors in patients withprimary glomerulonephritis: Cerrahpasa Medical Faculty Experience. (2016)

International Refereed Congress / Symposium Publications in Proceedings (ASCO/ESMO Abstracts)

Prognostic factors influencing progression-free survival in HER2 positive metastatic breast cancer patients who treated with lapatinib and capecitabine combination

• Authors: Dogan, I., Paksoy, N., Ak, N., Vatansever, S., Saip, P., & Aydiner, A. (2022)

Efficacy of regorafenib and 5-fluorouracil-based rechallenge treatment in the third-line treatment of metastatic colorectal cancer: A Turkish oncology group study

• Authors: Şenocak Taşçi, E., Oyan, B., Sonmez, O., Mutlu, A. U., Atcı, M. M., Oner, I., ... & Gulmez, A. (2022)

Long-term outcomes and predictors of recurrence in patients with early-stage node-negative breast cancer

• Authors: Dogan, I., Aydin, E., Paksoy, N., Ferhatoglu, F., Ak, N., Ibis, K., ... & Aydiner, A. (2021)

Efficacy of temozolomide in pretreated patients with metastatic sarcoma

• Authors: Paksoy, N., Dogan, I., Ekenel, M., & Basaran, M. (2021)

Efficacy of sorafenib in symptomatic patients with pretreated progressive desmoid tumors

• Authors: Ferhatoglu, F., Paksoy, N., Dogan, I., Ak, N., Pehlivan, M., Ekenel, M., & Basaran, M. (2021)

Efficacy of sorafenib in heavily pretreated adult patients with metastatic osteosarcoma

• Authors: Paksoy, N., Dogan, I., Ekenel, M., & Basaran, M. (2021)

Outcomes and prognostic factors in metastatic renal cell carcinoma patients with brain metastases

• Authors: Dogan, İ., Iribas, A., Paksoy, N., Ekenel, M., Vatansever, S., & Basaran, M. (2021)

Association of response to first-line chemotherapy with the efficacy of atezolizumab in patients with metastatic urothelial carcinoma

• Authors: Tural, D., Olmez, O. F., Sümbül, A. T., Artac, M., Ozhan, N., Akar, E., ... & Erman, M. (2021)

Safety and survival in adult women with platinum-sensitive relapsed BRCA mutant ovarian cancer: A study of patients in Olaparib Turkey Early Access Program—LynTurk study

• Authors: Esin, E., Ahmed, M. A., Yıldırım, H. Ç., Mandel, N. M., Erdemoglu, E., Sari, M., ... & Paydas, S. (2023)

Atezolizumab in patients with metastatic urothelial carcinoma who have progressed after first-line chemotherapy: Results of real-life experiences

• Authors: Tural, D., Ölmez, Ö. F., Sümbül, A. T., Artaç, M., Özhan, N., Akar, E., ... & Kılıçkap, S. (2021)

Gastroenterology

Pendik Medipol University Hospital

Education

1999 Karadeniz Technical University, Gastroenterology

1997 Atatürk University, Internal Diseases Professorship

1992 Atatürk University, Internal Diseases Associated Professorship

1985 Atatürk University, Internal Diseases Specialist

1981 Atatürk University Faculty of Medicine

Publications

1- Nihat Okçu Gülçin Polat, Arif Yılmaz, Mehmet Koruk, The demographic features of gastric cancers in Erzurum(Eurasian J Med 2000; 32: 63-65)

2- An Evaluation of Upper Gastrointestinal Bleeding Cases. Clinical Sciences-Doctor.2000, - E.akarsu,N.Okçu,et Ark.Northeast Anatolia 6:4:435-438

3-N.Okçu, A.yılmaz. İ.kiki,MDonuk, C.gündoğdu, H.uzunismail. Our Diagnostic Upper Gastrointestinal Endoscopy Results. Atatürk University Medical Journal 1997,29 (2):486

4-N. Okçu, M.gündoğdu, MD onuk, İ.kiki, l.cerrahoğlu, k.yılmaz, I. çapoğlu. The Role of Misoprostol in Preventing Gastroduodenal Lesions in Patients Using Nonsteroidal Anti-Inflammatory Drugs (NSAIDs). Atatürk University Medical Journal 1997,29 (2):453-455.

5-N.Okçu, A. Öz, MD Onuk, E.Akarsu, B. Tekin, Hz Tonbul, H.Kaya. Plasma Fibronectin Levels in Chronic Active Hepatitis and Decoction of Liver Parenchymal Insufficiency and Their Relationship with Liver Functional Status. Turkish J. Gastroenterol 1995;27(4): 422-426.

6-N.Okçu, Tahir Buran, MD Onuk, A. Yılmaz, E.Akarsu, G. Akçay. Prevalence of Helicobacter Pylori in Patients with Duodenal Ulcer in Erzurum and Surrounding Area. Turkish J. Gastroenterol 1995;27(4): 447-450.

7-N.Okçu, bs awake, e. akarsu, e. bakan, z. tonbul. Importance of Carbohydrate Antigens (CA-19-9, CA-125), Carcinoembryonic Antigen (CEA) and Alkaline Phosphatase in Gastric and Colorectal Cancers. Turkish J. Gastroenterol 1995;6:467-471.

8-N. Okçu, MD Onuk, E. Akarsu, H. Doğan, C. Gündoğdu. Major Risk Factors in Patients with Hepatocellular Carcinoma in Our Region. Gastroenterology 1994;5(2):154-157

9-N.Okçu, md. Onuk, e. akarsu, h. doğan, c.gündoğdu, tahir buran. Frequency of gastric carcinoma in Erzurum region, endoscopic and histological features. Gastroenterology 1994;5(2):263-267.

10-N. Okçu, MD Onuk, Tahir Buran, E. Akarsu, MA Çiftçioğlu. Frequency of Helicobacter Pylori in Nonspecific Gastritis Cases in Erzurum Province. Gastroenterology 1994;5(2):211-213.

11-N.Okçu, MD Onuk, Ö. Ünal, E. Akarsu, L. İncesu, K. Akgöz. Diagnostic Value of Ultrasound-Guided Fine Needle Aspiration Biopsy in Intra-Abdominal Mass Lesions. Gastroenterology 1993;4(1):166-68.

12-NOkçu, md. onuk, m. polat, a. yılmaz, m. gündoğdu, m. paç. Budd-Chiari Syndrome (2 Cases). Turkish J Gastroenterhepatol 1993; 4(1):77-80.

13-N.Okçu, H. Koçak, MD Onuk, M. Gündoğdu, E. Bakan, A. Yılmaz, A. Başoğlu, A. Ateş, F.A. Paç. The Effect of Atrial Pressure Changes and Cardiac Nerves on Plasma Atrial Natriuretic Peptide (ANP) Levels. Vascular Surgery 1993; 27(2): 128-132

15-N.Okçu, MD Onuk, A.Yılmaz, M. Gündoğdu, T. Buran. Effects of Omeprozole and Ranitidine on Peptic Ulcer Healing. Doğa-Tr.J. of Medical Sciences 1992;16:657-658.

16-N. Okçu, Mr. Yiğitoğlu, B. Adam, E. Bakan. The Effect of Digixin on Plasma Atrial Natriuretic Peptic Level in Patients with Congestive Heart Failure. S.Ü. Medical Faculty Journal 1991;7(2):243-247..

17-N.Okçu, A. Yılmaz. The Effect of Histamine H2 -Receptor Antagonists in Upper Gastrointestinal System Bleeding. Endoscopy Journal 1991;2(4):17-23.

18-N.Okçu, E. Bakan, B. Adam, A. Yılmaz, Mr. Yiğitoğlu. Sex Hormones and Sex Hormone Binding Globulin Levels in Patients with Chronic Hepatitis and Liver Cirrhosis (Letter to the Editor). Nature-Tr. J. Of Medical Sciences 1991;15:1-2.

19-N.Okcu Ömer Yılmaz.Helıcobacter pylori and related gastrointestinal system diseases. Turkish Clinics JMed Sci. 2013;33(3):806-13

20-Nihat Okçu, Ömer Yılmaz, Hakan Dursun, Gülçin Polat. The relationship between dyspeptic symptoms, nutritional habits, endoscopic and histological findings (Eurasian J Med 2006; 38: 13-17)

21-Mehmet Bilici,1Nihat Okcu,1Kerim Cayir,1Ibrahim Pirim,2Salim B. Tekin,1andCemal Gundogdu3 - Distribution of HLA Tissue Groups in Patients with Gastric Cancer Eurasian J Med. 2010 Apr; 42(1): 9.11.

22-Nihat Okcu,Abdulhalim Bak,Mehmet Sari,Mehmet Arslan,Sait Kapicioglu:The fibroblast proliferation, relationship of hepatocyte growth factor (HGF) and interferon-A2A Gastroenterology April 2000Volume 118,Issue 4, Part 2, PageA1404

23-Kubra Kaynar,Sait Kapicioglu,Mehmet Sari,Nihat Okcu,Abdulhalim Baki. The effect of fish oil on stress ulcer prophylaxis GastroenterologyVolume 118, Issue 4, Part 2, PageA1255

Dr. Muhammed Mustafa Atci is an Associate Professor of Medical Oncology at İstinye University, Liv Hospital Topkapı (2025–present). He previously served as Associate Professor and Education Coordinator at Prof. Dr. Cemil Taşcıoğlu City Hospital (2023–2025). He was also a Medical Oncologist there (2018–2021).

He has been a member of ASCO and the Turkish Society of Medical Oncology since 2018. He is the author or co-author of 19 peer-reviewed international papers on colon, breast, gastric, pancreatic, lung, thyroid, sarcoma, and colorectal cancers.

Notable works include a multicentre study on stage IIB colon cancer survival (Journal of Chemotherapy). He also studied the De Ritis ratio for lung metastasis in testicular cancer (Current Urology). His prognostic studies used PET/CT, MSI, lymph node ratio, and metabolic tumor volume.

Dr. Irfan Cicin is a Professor of Medical Oncology at the Trakya University Faculty of Medicine (2015–present). He has over 20 years of medical oncology experience and has held academic roles since 2010.

Education: MD, Istanbul University – Cerrahpaşa (1991–1997). Residency in Internal Medicine, Trakya University (1997–2002). Fellowship in Medical Oncology, Trakya University (2002–2004).

Practice: Medical Oncologist, Trakya University (2005–2008). Medical Oncologist, Elazığ Training and Research Hospital (2008–2010). Associate Professor of Medical Oncology, Trakya University (2010–2015). He previously served as a physician in the Turkish Air Force at Etimesgut Military Hospital (2004–2005).