Secondary Hyperparathyroidism, also known as hyperparathyroidism, secondary, is related to secondary hyperparathyroidism of renal origin and vitamin d-dependent rickets. An important gene associated with Secondary Hyperparathyroidism is CASR (Calcium Sensing Receptor), and among its related pathways/superpathways are Metabolism of steroids and Ca, cAMP and Lipid Signaling. The drugs Calcium acetate and Atorvastatin have been mentioned in the context of this disorder. Affiliated tissues include kidney and bone, and related phenotypes are homeostasis/metabolism and growth/size/body region