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A group of drugs known as "calcimimetics" is essential in treating a range of conditions where the body's calcium homeostasis is disrupted. These medications primarily target the calcium-sensing receptors (CaSR) that are located on the parathyroid glands' surface and are in charge of controlling PTH secretion. Calcimimetics' primary therapeutic objective is to modify the activity of these receptors, which eventually results in a reduction in PTH release. Cinacalcet, one of the most well-known calcimimetics, was made available for use in clinical settings as a ground-breaking treatment for secondary hyperparathyroidism in people with chronic kidney disease. A typical side effect of renal disease is secondary hyperparathyroidism, which is defined by an excess of PTH produced as a result of a disordered calcium balance. Cinacalcet increases the parathyroid glands' sensitivity to extracellular calcium levels by attaching to the calcium-sensing receptors on those glands. This leads to a decrease in PTH secretion, which improves the body's ability to regulate calcium and phosphorus. In this patient population, cinacalcet aids in delaying the onset of consequences including bone disease and cardiovascular problems by managing secondary hyperparathyroidism. Calcimimetics have also been helpful in treating primary hyperparathyroidism, a disorder marked by increased PTH release as a result of aberrant parathyroid gland activity. While calcimimetics like cinacalcet can be used as a short-term treatment to assist regulate PTH levels before surgery or in situations where surgery is not an option, primary hyperparathyroidism frequently necessitates surgical intervention to remove the afflicted glands. Additionally, calcimimetics show promise in the treatment of various conditions affecting calcium homeostasis, including familial hypocalciuric hypercalcemia and parathyroid cancer. These drugs are an important development in the field of endocrinology and give doctors useful resources for treating ailments brought on by dysfunctional parathyroid gland activity. To ensure their safety and effectiveness in particular patients, calcimimetics must be carefully monitored because, like all drugs, they may cause side effects. Overall, calcimimetics are a significant advancement in the treatment of diseases of calcium metabolism and have the potential to significantly enhance patient quality of life.