This study's main goal was to closely monitor and record adverse events (AEs) related to the medication Etelcalcetide, which is used to treat secondary hyperparathyroidism (SHPT, which is defined as elevated parathyroid hormone (PTH) levels in response to abnormalities in the calcium, phosphate, and vitamin D homeostasis). The gene discussed is PTH; the disease is secondary hyperparathyroidism.