Calcium and Bone Mass in Young Females

Completed · Phase 2

Conditions studied: Osteoporosis

In brief

We originally suggested that calcium in the diet is important in determining the amount of bone (bone mass) that builds up in young adults. We are testing the effect of calcium on bone mass in 354 Caucasian (white) girls. At the start of this 7-year study, the average age of the girls was 11 years, and they had not yet reached puberty. The study will also provide information about the effect of calcium on body composition (body fat) and blood pressure in young women. We have been giving calcium to one group of participants in this study and giving a placebo (an inactive pill, or "sugar pill") to the other group. The results of this research will be important in preventing osteoporosis, because building more bone as a young person should reduce a woman's chances of developing osteoporosis later in life.

Key facts

Study ID

NCT00000402

Run by

Ohio State University

People needed

354

Starts

1991-08-01

Expected to finish

2001-12-01

Last updated by the study team

2013-05-22

Who can join

Age: 8 and older, up to 13. Sex: female. Healthy volunteers: accepted.

You may qualify if…

• Pubertal stage II
• Calcium intake below a threshold level
• Caucasian
• Normal health

You may not qualify if…

• Medications affecting calcium and bone metabolism
• Chronic diseases
• Metabolic bone disease
• Abnormality in calcium metabolism

Where it is running

• OSU Bone and Mineral Metabolism Laboratory — Columbus, Ohio, United States

Full record on ClinicalTrials.gov

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