Low Energy Availability, Menstrual Irregularity, and Low Bone Mass
The Role of Low Energy Availability and the H-P-A Axis, Menstrual Irregularity, and Low Bone Mass
1 other identifier
observational
45
1 country
1
Brief Summary
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.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for all trials
Started Sep 2008
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
September 1, 2008
CompletedPrimary Completion
Last participant's last visit for primary outcome
December 1, 2008
CompletedStudy Completion
Last participant's last visit for all outcomes
December 1, 2009
CompletedFirst Submitted
Initial submission to the registry
December 28, 2009
CompletedFirst Posted
Study publicly available on registry
February 1, 2010
CompletedJune 23, 2011
June 1, 2011
3 months
December 28, 2009
June 22, 2011
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Bone density
3 months
Secondary Outcomes (1)
Energy availability
3 months
Study Arms (1)
adolescent female endurance athletes
High school female cross country runners in San Diego.
Eligibility Criteria
adolescent female cross country runners
You may qualify if:
- high school female cross country runners
- ages 15-17 years
- years experience as cross country runner
- miles or more/week training
You may not qualify if:
- medications known to affect bone metabolism
- pregnancy
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Marta Van Loan
Davis, California, 95616, United States
Related Publications (2)
Wood KL, Barrack MT, Gray VB, Cotter JA, Van Loan MD, Rauh MJ, McGowan R, Nichols JF. Cognitive dietary restraint score is associated with lower energy, carbohydrate, fat, and grain intake among female adolescent endurance runners. Eat Behav. 2021 Jan;40:101460. doi: 10.1016/j.eatbeh.2020.101460. Epub 2020 Nov 25.
PMID: 33307469DERIVEDBarrack MT, Van Loan MD, Rauh MJ, Nichols JF. Physiologic and behavioral indicators of energy deficiency in female adolescent runners with elevated bone turnover. Am J Clin Nutr. 2010 Sep;92(3):652-9. doi: 10.3945/ajcn.2009.28926. Epub 2010 Jul 7.
PMID: 20610635DERIVED
Study Officials
- STUDY CHAIR
Marta D Van Loan, Ph.D.
USDA, ARS, Western Human Nutrition Research Center
Study Design
- Study Type
- observational
- Time Perspective
- PROSPECTIVE
- Sponsor Type
- FED
Study Record Dates
First Submitted
December 28, 2009
First Posted
February 1, 2010
Study Start
September 1, 2008
Primary Completion
December 1, 2008
Study Completion
December 1, 2009
Last Updated
June 23, 2011
Record last verified: 2011-06