Safety and Efficacy of Alendronate (Fosamax) in Children With Osteoporosis
Osteoporosis
About this trial
This is an interventional treatment trial for Osteoporosis focused on measuring Fracture, Bone Mineral Density, DXA
Eligibility Criteria
Eligibility Criteria: 5-15 yrs of age Weighing 20 kg and more History of multiple fractures Tanner stage II or less Osteoporosis by DXA. Inclusion Criteria: Male and female children with a history of one or more atraumatic fractures, or evidence of one or more compression fractures on radiographs of the spine (reduction of >20 percent). Bone Mineral Density (BMD) determined by DXA sacn to confirm osteoporosis at a Z score greater than 2 SD (standard deviations) below the normal mean for age (Z score < -2 SD). Parental consent (and patient assent after age 12 years) to participate in the study. Sexual development at: Tanner stage II or less (Prepubertal stage). Weight = 20 kg and more. Exclusion Criteria: History of severe gastritis or reflux. Abnormalities of the esophagus that delay emptying, such as strictures or achalasia Marked kyphoscoliosis or the inability to sit or stand for at least 30 minutes Hypersensitivity to bisphosphonates Uncorrected hypocalcemia History of gastric or duodenal ulcers Renal dysfunction as indicated by serum Cr >1.5 mg/dl. Liver dysfunction as indicated by serum SGPT > 2 times the upper limit for age or serum total bilirubin > 2.0 mg/dl. Diagnosis of osteogenesis imperfecta, a family history of osteogenesis imperfecta, blue sclerae or deafness. Diagnosis of active rickets or osteomalacia or serum bone alkaline phosphatase 2 times greater than normal for age. Pregnancy Anorexia Nervosa
Sites / Locations
- Medical University of South Carolina
Arms of the Study
Arm 1
Arm 2
Experimental
Placebo Comparator
1 Alendronate, Calcium, Vitamin D
2 Placebo, Calcium and Vitamin D
Crossover study. Year-1, 10 participants will take study medication, calcium and vitamin D supplements and other 10 participants will take placebo, calcium and vitamin D supplements. Year-2, they will crossover to the second arm of the study. Those who took study medication and supplements in year-1, will take placebo and supplements in the year-2, and those 10 participants who took placebo and supplements in the year-1, will take study medications and supplements in the year-2.
Year-1, 10 participants will take Alendronate (study medication)and calcium and vitamin D supplement). Another 10 participants will take placebo, calcium and vitamin D. In year-2 they will crossover. Those who took alendronate in the first year, will take Placebo, calcium and vitamin D for 12 months and those who took Placebo in the first year, will take Alendronate, calcium and vitamin D in the second year (12 months).