The physiologically active form of vitamin D. It is formed primarily in the kidney by enzymatic hydroxylation of 25-hydroxycholecalciferol (CALCIFEDIOL). Its production is stimulated by low blood calcium levels and parathyroid hormone. Calcitriol increases intestinal absorption of calcium and phosphorus, and in concert with parathyroid hormone increases bone resorption.
Also Known As:
Calcijex; Rocaltrol; 1,25 Dihydroxycholecalciferol; 1 alpha, 25-dihydroxy-20-epi-Vitamin D3; 1,25(OH)2-20epi-D3; 1,25-dihydroxy-20-epi-Vitamin D3; 20-epi-1alpha,25-dihydroxycholecaliferol; Bocatriol; Calcitriol KyraMed; Calcitriol-Nefro; Decostriol; MC-1288; MC1288; Osteotriol; Renatriol; Silkis; Sitriol; Soltriol; Tirocal; 1 alpha,25 Dihydroxyvitamin D3; 1,25 Dihydroxyvitamin D3; 1,25 dihydroxy 20 epi Vitamin D3; Calcitriol Nefro; D3, 1 alpha,25-Dihydroxyvitamin; D3, 1,25-Dihydroxyvitamin; D3, 1,25-dihydroxy-20-epi-Vitamin; KyraMed, Calcitriol; MC 1288; 1 alpha,25-Dihydroxycholecalciferol; 1 alpha,25-Dihydroxyvitamin D3; 1, 25-(OH)2D3; 1,25(OH)2D3; 1,25-Dihydroxycholecalciferol; 1,25-Dihydroxyvitamin D3; 9,10-Secocholesta-5,7,10(19)-triene-1,3,25-triol, (1alpha,3beta,5Z,7E)-