...-established hypocalciuric action of hydrochlorothiazide, we have evaluated the effect of 15 days' treatment with hydrochlorothiazide in 10 hypercalciuric male stone-formers on urinary Ca 2+ and prostaglandin E 2 , as well as on plasma bicyclo-prostaglandin E 2 , 25-hydroxyvitamin D, 1,25-dihydroxyvitamin D...

... and the Medical Research Society 1970 calcium metabolism disorders 1,25-dihydroxyvitamin D half-life 25-hydroxyvitamin D hyperparathyroidism metabolic clearance rate vitamin D ...

...Silvano Adami; G. Graziani; D. Tartarotti; R. Cappelli; S. Casati; A. Cantaluppi; V. Braga; V. Lo Cascio 1. The response of circulating 1,25-dihydroxyvitamin D [l,25-(OH) 2 D] to challenge with vitamin D treatment both before and after 7–10 days of prednisone therapy (25 mg/day) was investigated...

.... It is concluded that impaired 25-hydroxylation of vitamin D may occur in alcoholic liver disease and results from hepatocellular dysfunction. 7. Less than the predicted amounts of 1,25-dihydroxyvitamin D 3 were produced in four of the seven patients with alcoholic liver disease; this defect may be attributable...

.... These data suggest that NaHCO 3 feeding causes a substantial increase in 1,25(OH) 2 D plasma level, but interferes with calcium and phosphorus absorption in the duodenum. bicarbonate 1,25-dihydroxyvitamin D gut sac 25-hydroxyvitamin D vitamin D Clinical Science (1985) 68, 97-100 SHOR T COMMUNICA...