Bone Density Clinical Trial
Official title:
The Role of Low Energy Availability and the H-P-A Axis, Menstrual Irregularity, and Low Bone Mass
This study examines the role of energy availability on menstrual function and bone mass in female adolescent endurance athletes. Specific evaluations include dietary intake, exercise energy expenditure, training schedules, menstrual function and bone density.
Status | Completed |
Enrollment | 45 |
Est. completion date | December 2009 |
Est. primary completion date | December 2008 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | Female |
Age group | 15 Years to 17 Years |
Eligibility |
Inclusion Criteria: - high school female cross country runners - ages 15-17 years - 1-5 years experience as cross country runner - 25 miles or more/week training Exclusion Criteria: - medications known to affect bone metabolism - pregnancy |
Time Perspective: Prospective
Country | Name | City | State |
---|---|---|---|
United States | Marta Van Loan | Davis | California |
Lead Sponsor | Collaborator |
---|---|
USDA, Western Human Nutrition Research Center | San Diego State University |
United States,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Bone density | 3 months | No | |
Secondary | Energy availability | 3 months | No |
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