hrp0097p1-561 | Pituitary, Neuroendocrinology and Puberty | ESPE2023

Copeptin as a reliable marker in differentiating Nephrogenic Diabetes Insipidus (NDI) and Central Diabetes Insipidus (CDI)-a case study

Spilioti Diamantina-Xanthi , Minett Gemma , Rowland-Hill Chris , Douglas Linda , Gupta Sanjay

Introduction: Arginine vasopressin (AVP) and thirst are the main determinants of water homeostasis maintenance, and dysregulation leads to polyuria-polydipsia syndrome. This comprises of three key conditions: CDI due to insufficiently secreted AVP; NDI, due to renal AVP insensitivity and Primary Polydipsia (PP), caused by excessive fluid intake resulting in physiological suppression of AVP. Differentiating between these three conditions is important, as the tr...