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Note: This record shows only the 20 elements of the WHO Trial Registration Data Set. To view changes that have been made to the source record, or for additional information about this trial, click on the URL below to go to the source record in the primary register.
Register: ClinicalTrials.gov
Last refreshed on: 17 October 2012
Main ID:  NCT00260286
Date of registration: 30/11/2005
Primary sponsor: Ohio University
Public title: Effects of Gynecological Age on LH Sensitivity to Energy Availability
Scientific title: Dietary Energy Requirements in Physically Active Men and Women, Objective 4B: Effects of Gynecological Age on LH Sensitivity to Energy Availability
Date of first enrolment: August 2001
Target sample size: 18
Recruitment status: Completed
URL:  http://clinicaltrials.gov/show/NCT00260286
Study type:  Interventional
Study design:  Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Crossover Assignment, Masking: Open Label, Primary Purpose: Prevention  
Countries of recruitment
United States
Contacts
Name:   Anne B Loucks, Ph.D.
Address: 
Telephone:
Email:
Affiliation:  Ohio University
Key inclusion & exclusion criteria

Inclusion Criteria:

- 5-8 or 14-18 years of gynecological age

- menstrual cycles of 26 to 32 days for the previous 3 months

- luteal phase length >11 days

- 18-32% body fat

Exclusion Criteria:

- smoking

- oral contraceptives

- hematocrit <35%

- diet with <35 or >55 kcal/kgFFM/day of energy

- habitually performing more than 60 minutes/week of aerobic exercise

- histories or evidence of heart, liver, or kidney disease, diabetes, menstrual or
thyroid disorders, pregnancy, lactation, and congenital or acquired orthopedic
abnormalities



Age minimum: 18 Years
Age maximum: 34 Years
Gender: Female
Health Condition(s) or Problem(s) studied
Amenorrhea
Anovulation
Infertility
Starvation
Intervention(s)
Behavioral: Energy availability
Primary Outcome(s)
Differences in 24h LH pulse frequency, 24h LH pulse amplitude and 24h LH mean concentration in blood samples drawn q10' for 24 hours after 5 days of treatment
Secondary Outcome(s)
Differences in 24h average glucose, beta-hydroxybutyrate, insulin, cortisol, growth hormone, insulin-like growth factor-I, tri-iodothyronine, and leptin concentrations in blood samples drawn q10' for 24 hours after 5 days of treatment
Secondary ID(s)
DAMD_17-95-1-5053,
Excalibur X
M01_RR00034
Source(s) of Monetary Support
Please refer to primary and secondary sponsors
Secondary Sponsor(s)
Ohio State University
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