Dr. Sinan Çağlayan

Prof. Dr. Sinan Çağlayan is a distinguished endocrinology and metabolism specialist based in Istanbul, where he practices at the Terrace Fulya Center in Şişli. Holding the title of Professor Doctor, he brings a blend of academic rigor and clinical expertise to every patient encounter. His practice focuses on thyroid and parathyroid disorders, pituitary, gonadal and adrenal gland diseases, osteoporosis, diabetes mellitus, hypogonadism, and obesity management. Patients in the city and beyond trust him for comprehensive, evidence‑based care that addresses both the underlying disease and the individual’s overall well‑being. Dr. Çağlayan earned his medical degree from Ankara University in 1989 and completed his internal medicine residency in 1999. He further honed his specialty through a clinical fellowship at the University of California, Los Angeles, where he worked with the Neuropsychiatric Institute from 2000 to 2002. In 2006 he achieved board certification in endocrinology and metabolism, and was appointed professor in 2019. Over the past two decades he has authored more than thirty scientific papers, presented over eighty conference abstracts, and contributed chapters to several medical texts, reflecting a deep commitment to advancing endocrine science. His clinical career spans more than two decades across leading Turkish hospitals, including GATA Haydarpaşa Training Hospital, Acıbadem Hospital, and Kadıköy Şifa Hospital, as well as academic roles at Medipol University. Dr. Çağlayan offers a full spectrum of endocrine services: precise diagnosis and treatment of thyroid and pituitary disorders, targeted osteoporosis therapy, personalized diabetes management plans, and innovative obesity interventions. He emphasizes a patient‑centered approach, integrating the latest research findings with compassionate care to tailor treatment plans that fit each individual’s lifestyle and health goals. Beyond the clinic, Dr. Çağlayan remains actively involved in research and education, mentoring the next generation of endocrinologists while continuing to publish cutting‑edge studies. His dedication to excellence ensures that patients receive care grounded in the most current scientific evidence. Whether you are seeking routine management of a chronic condition or specialized treatment for a complex endocrine disorder, Prof. Dr. Sinan Çağlayan’s expertise and warm bedside manner make him a trusted partner in your health journey.