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Calcium Kinetic Responses to Exercise

NCT03293901 · Status: COMPLETED · Phase: NA · Type: INTERVENTIONAL · Enrollment: 21

Last updated 2022-12-21

No results posted yet for this study

Summary

This randomized cross-over study will identify physiological factors that underlie changes in bone metabolism that could affect skeletal injury risk, to include increases in parathyroid hormone (PTH) in response to militarily relevant exercise in females. The primary objective is to determine the hormone and calcium (Ca) response to multiple bouts of load carriage exercise in females. The investigators hypothesize that PTH will increase after multiple bouts of load carriage exercise and this increase will be due to disruption in Ca kinetics, specifically either a decrease in fractional intestinal Ca absorption (FCA) or changes in bone formation and/or resorption.

Conditions

  • Nutritional Status
  • Bones

Interventions

BEHAVIORAL

Exercise

Treadmill exercise for 60 minutes with load carriage (weighted vest, 30% body weight) completed three times during the 6 day kinetic period.

Sponsors & Collaborators

  • Cornell University

    collaborator OTHER

  • United States Army Research Institute of Environmental Medicine

    lead FED

Principal Investigators

  • Erin Gaffney-Stomberg, PhD, RD · United States Research Institute of Environmental Medicine

Study Design

Allocation
RANDOMIZED
Purpose
BASIC_SCIENCE
Masking
NONE
Model
CROSSOVER

Eligibility

Min Age
18 Years
Max Age
42 Years
Sex
FEMALE
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2018-06-16
Primary Completion
2020-03-18
Completion
2020-03-18

Countries

  • United States

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT03293901 on ClinicalTrials.gov