The purpose of this study is to determine whether Calcium and Vit D supplementation is effective for improving low bone mass in Girls with Adolescent Idiopathic Scoliosis (AIS).
Adolescent Idiopathic Scoliosis (AIS) is a prevalent condition mainly affecting females with disease onset at early puberty. It can lead to serious health problems and is associated with low bone mass which can persist with growth. Osteopenia is found to be an important prognostic factor for curve progression in AIS. Nutritional studies indicated AIS subjects had low dietary calcium intake. Evidences suggested that Vit D insufficiency could be present in AIS. Calcium and vitamin D supplementation can therefore be a viable treatment option for low bone mass in AIS subjects. The primary objective of this prospective randomized double-blinded placebo-controlled trial is to find out whether calcium and vitamin D supplementation can improve bone mineral density (BMD) in osteopenic AIS subjects. The secondary objective of this study is to evaluate whether the supplementation is effective in controlling curve progression in AIS.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
QUADRUPLE
Enrollment
330
Daily supplementation with 600mg Calcium plus 400IU Vitamin D3
Daily supplementation with 600mg Calcium plus 800IU Vitamin D3
placebo tablets
Prince of Wales Hospital
Hong Kong SAR, China
Bone mineral density
To determine the effects of calcium and vitamin D intervention on improving bone mineral density of skeletally immature AIS girls with low bone mass.
Time frame: 2-year time point
Curve severity
To determine the effects of calcium and vitamin D intervention on preventing curve progression of skeletally immature AIS girls with low bone mass.
Time frame: 2-year time point
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