The aim of the study was to determine the associations of the CASR rs7652589 SNP with nephrolithiasis-related ESRD, Ca, P, alkaline phosphatase (ALP), PTH, response to treatment with cinacalcet, prevalence of CAD, including MI, as well as all-cause and cardiovascular mortality in HD patients. The gene discussed is PTH; the disease is coronary artery disorder.