Effect of Calcium and Vitamin D on Bone Loss From the Hip

Completed · Phase 3

Conditions studied: Osteoporosis

In brief

The primary aim of this study is to determine the effects of supplementation with both calcium and vitamin D on changes in bone density of the hip in men and women age 65 and older.

Key facts

Study ID

NCT00357643

Run by

Tufts University

People needed

450

Starts

1992-10-01

Expected to finish

1996-02-01

Last updated by the study team

2006-07-27

Who can join

Age: 65 and older. Sex: any. Healthy volunteers: accepted.

You may qualify if…

• >65 years calcium intake < 1500 mg/day Willing to discontinue calcium and vitamin D pills for 2 months prior to enrollment

You may not qualify if…

• Mentally incompetent, femoral neck BMD greater than 2 SD above/below age/sex-matched reference mean, 24-hr urine calcium/creatinine > 300 mg/d women or >350 mg/d men terminal illness, renal disease requiring treatment, kidney stone in the past 10 years, current hyperparathyroidism, treated with glucocorticoids, estrogen or androgen, fluoride, calcitonin, bisphosphonate, or any other treatment for osteoporosis.

Where it is running

• Human Nutrition Research Center on Aging at Tufts U — Boston, Massachusetts, United States

Full record on ClinicalTrials.gov

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