Antiresorptive therapy in hyperthyroid patients: longitudinal changes in bone and mineral metabolism

The Journal of Clinical Endocrinology and Metabolism
E JódarN Oleà

Abstract

The effect of antiresorptive therapy with nasal calcitonin (CT) in recently diagnosed hyperthyroid patients on conventional medical therapy as well as the evolution of bone metabolism were assessed. Forty-five patients with recent-onset hyperthyroidism (<12 weeks) were sex and menopause stratified and randomly allocated to treatment with carbimazole (Neotomizol), carbimazole plus low dose CT (Calsynar; 100 IU/day, 2 days/week), or carbimazole plus high dose CT (Calsynar; 100 IU/day, 14 days/month). Bone mineral density was measured by dual x-ray absorptiometry in lumbar spine, femoral neck, and Ward's triangle at 0, 9, and 18 months of treatment. We also determined free T4, free T3, TSH, osteocalcin, total and bone alkaline phosphatases, tartrate-resistant acid phosphatase, type I collagen C telopeptide, and urinary hydroxyproline every 3 months of follow-up. No significant difference was observed among treatments. A euthyroid state was attained at 3 months. Bone mass increased significantly at the 9 month evaluation (P < 0.05), with a 5-10% net gain during follow-up. Nevertheless, final bone mass was 4-8% smaller than expected. Bone formation markers were increased at 0 and 3 months, with reductions at 6-9 months; resorption b...Continue Reading

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Citations

Mar 3, 2012·The Indian Journal of Medical Research·Viveka P JyotsnaNandita Gupta
Jul 10, 2007·The Veterinary Clinics of North America. Small Animal Practice·Patricia A Schenck
Aug 4, 2007·Endocrinology and Metabolism Clinics of North America·Jason A Wexler, John Sharretts
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