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  • Title: Treatment of post menopausal osteoporosis. A controlled therapeutic trial comparing oestrogen/gestagen, 1,25-dihydroxy-vitamin D3 and calcium.
    Author: Jensen GF, Christiansen C, Transbøl I.
    Journal: Clin Endocrinol (Oxf); 1982 May; 16(5):515-24. PubMed ID: 7044620.
    Abstract:
    A controlled therapeutic trial on seventy-four 70-year-old women was carried out with the purpose of finding the optimal treatment for post menopausal osteoporosis. The bone mineral content (BMC) was measured by I-photonabsorptiometry at two sites in the distal part of the forearms, where the trabecular/cortical ratio is 0.25 and 1.5, respectively. Radiographs were done on the right hand to measure the metacarpal bone mass (cortical area/total area=CA/TA. After observing the spontaneous course of bone loss for 6 months the participants were allocated at random to 12 months' treatment with 1,25-dihydroxycholecalciferol [1,25(OH)2D3] and oestrogen/gestagen, alone or in combination, and calcium. The groups treated with oestrogen/gestagen [with or without 1,25(OH)2D3] showed a highly significant increase in BMC. In contrast bone mineral remained unchanged or decreased in both the calcium and the 1,25(OH)2D3 groups with a tendency towards more pronounced negative bone balance in the 1,25-(OH)2D3 group. Seven out of nineteen patients of 1,25(OH)2D3 developed hypercalcaemia, which necessitated a reduction in dosage. It is concluded that the new vitamin D metabolite, 1,25(OH)2D3, given in clinically acceptable doses, is without value in the treatment of post menopausal osteoporosis.
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