Low Energy Availability and Pituitary Function (LEAP Study)

NCT ID: NCT05808647

Last Updated: 2023-04-11

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

UNKNOWN

Clinical Phase

NA

Total Enrollment

25 participants

Study Classification

INTERVENTIONAL

Study Start Date

2023-04-30

Study Completion Date

2025-01-31

Brief Summary

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The purpose of this study is to learn more about reproductive hormones and if they change in response to 5-days eating an individualized, standardized diet at two levels: energy balance and low energy intake.

Detailed Description

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Conditions

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Hypogonadotropic Hypogonadism

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

CROSSOVER

Primary Study Purpose

OTHER

Blinding Strategy

SINGLE

Outcome Assessors

Study Groups

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Energy balanced metabolic diet (5-days)

45 kcals/kg of fat free mass \[FFM\]/day; 28% fat, 15% protein, 57% carbohydrate

Group Type ACTIVE_COMPARATOR

5-day controlled metabolic dietary intake

Intervention Type BEHAVIORAL

Over 5-days, all food will be provided from the metabolic kitchen and participants will be instructed to eat all of the food provided each day and only the food provided each day.

Low energy availability metabolic diet (5-days)

20 kcal/kg of FFM/day; 28% fat, 15% protein, 57% carbohydrate

Group Type EXPERIMENTAL

5-day controlled metabolic dietary intake

Intervention Type BEHAVIORAL

Over 5-days, all food will be provided from the metabolic kitchen and participants will be instructed to eat all of the food provided each day and only the food provided each day.

Interventions

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5-day controlled metabolic dietary intake

Over 5-days, all food will be provided from the metabolic kitchen and participants will be instructed to eat all of the food provided each day and only the food provided each day.

Intervention Type BEHAVIORAL

Eligibility Criteria

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Inclusion Criteria

* Female
* Age 18-30
* Body mass index between 18.5-24.9 OR 30-45
* Have regular menstrual cycles between 18-40 days over the past 6 months
* Weight stable (not gained or lost 5kg) in the past 3 months

Exclusion Criteria

* Using hormonal birth control currently or within the past three months
* Polycystic ovary syndrome (current or past diagnosis)
* Pregnant, lactating, planning to become pregnant in next 6 months
* Engaging in regular intentional aerobic exercise
* Significant medical issues (e.g.,cardiovascular disease or diabetes)
Minimum Eligible Age

18 Years

Maximum Eligible Age

30 Years

Eligible Sex

FEMALE

Accepts Healthy Volunteers

Yes

Sponsors

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University of Colorado, Denver

OTHER

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Ann E Caldwell, PhD

Role: PRINCIPAL_INVESTIGATOR

University of Colorado Anschutz School of Medicine

Locations

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University of Colorado Anschutz Medical Campus

Aurora, Colorado, United States

Site Status RECRUITING

Countries

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United States

Central Contacts

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Trish Coordinator, MS, RD

Role: CONTACT

303-724-6821

Facility Contacts

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Trish Coordinator, MS, RD

Role: primary

Other Identifiers

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22-1811

Identifier Type: -

Identifier Source: org_study_id

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