hrp0097fc8.2 | Fat, metabolism and obesity 2 | ESPE2023

Frequency of MC4R Pathway Variants in a European Cohort of Individuals With Early-Onset Severe Obesity

P. Goldstone Anthony , Dominguez-Riscart Jesus , Rosaria Umano Giuseppina , Pinhas-Hamiel Orit , Yildiz Melek , Manco Melania , Sleiman Patrick , Savoie Charles , Giri Dinesh , Argente Jesús

The melanocortin-4 receptor (MC4R) pathway is critical for the regulation of hunger, energy balance, and weight regulation. Individuals who carry variants in MC4R pathway genes may present with early-onset severe obesity and hyperphagia. Historically, genetic testing in individuals with severe obesity has been limited. The Rare Obesity Advanced Diagnosis™ genetic testing program aims to enhance access to genetic testing for European individuals with suspected rare geneti...

hrp0097fc3.3 | Fat, metabolism and obesity 1 | ESPE2023

Frequency of Obesity-Related Gene Variants in a European Population With Early-Onset, Severe Obesity

W. le Roux Carel , Dominguez-Riscart Jesus , Rosaria Licenziati Maria , Soriano-Guillén Leandro , Haliloglu Belma , Zalin Anjali , Filomena Madeo Simona , Sleiman Patrick , Savoie Charles , Kerem Liya , Argente Jesús

Background: Patients with genetic variants in the melanocortin-4 receptor (MC4R) pathway may present with early-onset, severe obesity and hyperphagia. Increasing awareness of genetic testing could improve diagnosis of rare genetic causes of obesity and identify patients who might benefit from targeted therapy; however, such testing has been limited. Moreover, the frequency of specific genetic variants in this population is currently unknown. The Rare Obesity A...