Safety and Efficacy of Alendronate (Fosamax) in Children With Osteoporosis

2014-08-27 03:47:24 | BioPortfolio


We have previously evaluated the safety and efficacy of Fosamax in 10 patients with juvenile osteoporosis during a 12-month clinical trial. We have documented that Fosamax improved BMD of the spine and hip without any major side effects. There were no additional fractures during therapy. The present study is designed to further evaluate the safety and efficacy of Fosamax in 20 children with juvenile osteoporosis using a double-blind, randomized, placebo-controlled, cross-over protocol.


Osteoporosis is an uncommon disease in children and early adolescents. Patients have a low bone mineral density, develop fractures with minimal or no trauma, and frequently have a negative family history. The disease results from either diminished bone formation or increased bone removal (resorption). No specific drug therapy has been recommended for juvenile osteoporosis. Alendronate (Fosamax) is effective in inhibiting bone resorption, increasing BMD and reducing fractures in adults with postmenopausal osteoporosis, but have not become established therapies in children. In the present study, we plan to evaluate the safety and efficacy of Fosamax in 20 patients with juvenile osteoporosis in a two-year period. This is a randomized, double-blind, placebo-controlled protocol. In the year-1, 10 patients will be assigned to receive Fosamax and 10 patients placebo. In the year-2, patients will be crossed over to the second arm of the study. Those who received Fosamax in the year-1, will receive placebo in the second year and vice versa. The patients will have 5 visits, the initial screening visit followed by 4 post therapy visits in a six-month interval. Measurements include DEXA of spine and hip, urinalysis and blood work.

Study Design

Allocation: Randomized, Control: Placebo Control, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Crossover Assignment, Masking: Double Blind (Subject, Investigator), Primary Purpose: Treatment






Medical University of South Carolina
South Carolina
United States




Medical University of South Carolina

Results (where available)

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Published on BioPortfolio: 2014-08-27T03:47:24-0400

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A nonhormonal medication for the treatment of postmenopausal osteoporosis in women. This drug builds healthy bone, restoring some of the bone loss as a result of osteoporosis.

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The mineral component of bones and teeth; it has been used therapeutically as a prosthetic aid and in the prevention and treatment of osteoporosis.

Breaks in bones resulting from low bone mass and microarchitectural deterioration characteristic of OSTEOPOROSIS.

An aminobisphosphonate derivative of etidronic acid and CALCIUM CHANNEL BLOCKER that inhibits BONE RESORPTION and is used for the treatment of OSTEOPOROSIS.

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