[Vitamin D metabolites in a new case of drug-induced hypercalcemia (author's transl)]. 1981

A Ulmann, and A Bourdeau, and M Lair, and C Bader

The authors report on a new case of severe hypercalcaemia induced by prolonged oral treatment with high doses of vitamin D2. (6 mg/day for 9 months). Blood calcium level did not return to normal until 6 months after the drug was discontinued. The plasma concentration of 25 (OH) D was more than three times the normal value and remained very high throughout the observation period. The plasma concentration of 24, 25 (OH)2 D was slightly raised during treatment but became normal after 15 days, while that of 1,25 (OH)2 D, the active form of vitamin D, remained normal throughout, suggesting that the pathogenesis of vitamin D-induced hypercalcaemia is probably complex.

UI MeSH Term Description Entries
D004872 Ergocalciferols Derivatives of ERGOSTEROL formed by ULTRAVIOLET RAYS breaking of the C9-C10 bond. They differ from CHOLECALCIFEROL in having a double bond between C22 and C23 and a methyl group at C24. Calciferols,Vitamin D 2,Ergocalciferol,Vitamin D2,D2, Vitamin
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D006934 Hypercalcemia Abnormally high level of calcium in the blood. Milk-Alkali Syndrome,Hypercalcemias,Milk Alkali Syndrome,Syndrome, Milk-Alkali
D000368 Aged A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. Elderly
D014807 Vitamin D A vitamin that includes both CHOLECALCIFEROLS and ERGOCALCIFEROLS, which have the common effect of preventing or curing RICKETS in animals. It can also be viewed as a hormone since it can be formed in SKIN by action of ULTRAVIOLET RAYS upon the precursors, 7-dehydrocholesterol and ERGOSTEROL, and acts on VITAMIN D RECEPTORS to regulate CALCIUM in opposition to PARATHYROID HORMONE.
D015652 25-Hydroxyvitamin D 2 9,10-Secoergosta-5,7,10(19),22-tetraene-3,25-diol. Biologically active metabolite of vitamin D2 which is more active in curing rickets than its parent. The compound is believed to attach to the same receptor as vitamin D2 and 25-hydroxyvitamin D3. 25-Hydroxyergocalciferol,25-Hydroxycalciferol,25-Hydroxyvitamin D2,9,10-Secoergosta-5,7,10(19),22-tetraene-3 beta,25-diol,Ercalcidiol,25 Hydroxycalciferol,25 Hydroxyergocalciferol,25 Hydroxyvitamin D 2,25 Hydroxyvitamin D2

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