Hyperinsulinemic Hypoglycemia, Familial, 3, also known as hyperinsulinism due to glucokinase deficiency, is related to isolated permanent neonatal diabetes mellitus and munchausen by proxy. An important gene associated with Hyperinsulinemic Hypoglycemia, Familial, 3 is GCK (Glucokinase), and among its related pathways/superpathways are Signaling by Rho GTPases and Signal Transduction. The drugs Octreotide and Somatostatin have been mentioned in the context of this disorder. Affiliated tissues include pancreas, and related phenotypes are recurrent hypoglycemia and fasting hyperinsulinemia