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Attempted randomized controlled trial of pamidronate versus calcium and calcitriol supplements for management of steroid-induced osteoporosis in children and adolescents.

Author(s): Brown JJ, Zacharin MR

Affiliation(s): Department of Endocrinology and Diabetes, Royal Children's Hospital, Parkville, Victoria, Australia.

Publication date & source: 2005-11, J Paediatr Child Health., 41(11):580-2.

OBJECTIVES: To describe an attempted interventional trial for glucocorticoid-induced osteoporosis in children and adolescents and to discuss the reasons for trial failure to inform future interventional studies in this important group of patients. METHODS: Prospective randomized controlled trial comparing the effect of bisphosphonate therapy with calcium and vitamin D supplementation on bone mineral accrual is described. For non-trial patients, retrospective analysis of the effect of calcium and vitamin D supplementation combined with bisphosphonate treatment on bone mineral accrual. RESULTS: Only 12 patients were enrolled in the trial over 4 years. Bisphosphonate recipients (n = 5) had a mean annual percentage increase in lumbar spine bone mineral density of 8.76 +/- 5.2% compared to 6.6 +/- 4.0% in the calcium/vitamin-treated group (difference not significant). Mean annual change in lumbar spine areal bone mineral density in non-trial patients (n = 11) was 3.72 +/- 2.5%. CONCLUSION: Conducting a randomized controlled trial in this group of corticosteroid users is difficult, given the unpredictable nature of the underlying disease and intermittent need for steroid treatment. The trial failed through inadequate recruitment combined with discontinued interventions.

Page last updated: 2006-01-31

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