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On December 3, 2025, we will have the pleasure to host a renowned expert in Endocrinology, prof. George Mastorakos, for an open guest lecture on "Secondary amenorrheas: diagnosis and management".

The lecture will take place in room 1010 of PUMS Medical Biology Center at 8 Rokietnicka St. on December 3, 2025, at 7:15pm.

Profesor Mastorakos, MD, D(med)Sc, MSc, currently holding the position of Professor of Endocrinology at the National and Kapodistrian University of Athens, Faculty of Medicine in Greece, is an internationally trained authority in internal medicine and endocrinology.

He is the author or co-author of more than 355 ISI scientific publications with an H factor=75 and 21990 citations in Google Scholar. His main publications deal with peripheral CRH (first proving the existence of ovarian CRH), endogenous and exogenous (first to demonstrate this stimulatory activity in humans) interleukin-6 in the Hypothalamic-Pituitary-Adrenal axis, somatostatin in inflammation, various aspects of the immune-inflammatory systems in Neuroendocrinology, PCOS in adolescence and menopause, and, recently, with metabolic aspects of pregnancy (adipocytokines, incretins, appetite-related peptides, insulin resistance) and exercise as a stress model. His actual scientific interests include endocrinology of reproduction, pregnancy and menopause, PCOS, obesity, the effects of endocrine disruptors in reproduction and metabolism, neuroendocrine mechanisms underlying chronic or acute stress and immune/inflammatory reaction in models such as pregnancy, exercise and hypothalamic amenorrhea (member of the task force which published The Endocrine Society recommendations for Hypothalamic Amenorrhea).

He is Honorary member of the Polish Society of Endocrinology. Among other scientific societies, he is long-standing member of the European, the American, the French and the Hellenic Societies of Endocrinology. He served as president of the Hellenic Endocrine Society and as elected representative of the European Council of Affiliated Societies (ECAS) within the ESE and ex officio member of the ExCo of the ESE. He is still working as a co-opt member of the ECAS for the creation of a European Network for Research and Education in Endocrinology as well as a member of the stirring committee in Endo-ERN appointed by the ESE ExCo. He was Clinical Co-Chair of the Programme Organizing Committee for the 25^th European Congress of Endocrinology (Istanbul, 2023). He has been the recipient of Special Recognition Award from ESE, twice.

Prof. Mastorako's major scientific contributions are:

1. First showing the presence of CRH and its binding sites in rodent and human ovary.
2. First showing the stimulation of the HPA axis by IL-6 in humans.
3. Successful treatment of adolescent PCOS by regular contraceptives (non-anti-androgenic)
4. First showing the compensatory insulinomimetic role of visfatin against insulin resisance during pregnancy.
5. First showing the persistence of increased androgen production from the adrenals in menopausal PCOS