Effect of Two Exercise Programs on Bone Strength and Architecture

NCT ID: NCT02636530

Last Updated: 2022-01-11

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

COMPLETED

Clinical Phase

NA

Total Enrollment

48 participants

Study Classification

INTERVENTIONAL

Study Start Date

2016-07-01

Study Completion Date

2021-12-01

Brief Summary

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Bone responds according to the load placed on it. In this study, investigators want to know if exercise that loads the body in exercises, like walking or jogging (Ground Reaction Forces: GRF), affects bone differently than exercises that load the joints, like weight lifting (Joint Reaction Forces: JRF). Participants will exercise at least 3 times a week for 6 months. Measures of bone strength and mass, muscular strength, and aerobic fitness will be taken at the beginning and the end of the 6 month program. Period blood samples will be taken for future analysis of blood markers.

Detailed Description

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Conditions

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Osteoporosis

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

HEALTH_SERVICES_RESEARCH

Blinding Strategy

SINGLE

Outcome Assessors

Study Groups

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Ground Reaction Forces

Participants will have an individualized exercise program that includes walking, jogging, stair climbing, and box jumping.

Group Type EXPERIMENTAL

Ground Reaction Forces

Intervention Type BEHAVIORAL

6 month exercise program that loads the body via gravitational forces.

Joint Reaction Forces

Participants will have an individualized exercise program that includes weight lifting and aerobic rowing.

Group Type EXPERIMENTAL

Joint Reaction Forces

Intervention Type BEHAVIORAL

6 month exercise program that loads the body via loading the joints.

Interventions

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Ground Reaction Forces

6 month exercise program that loads the body via gravitational forces.

Intervention Type BEHAVIORAL

Joint Reaction Forces

6 month exercise program that loads the body via loading the joints.

Intervention Type BEHAVIORAL

Eligibility Criteria

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Inclusion Criteria

* non-smoker
* in generally good health
* not physically active (less than 60 minutes of purposeful exercise/week)
* able to travel to the exercise facility a minimum of 3 times/week

Exclusion Criteria

* use of glucocorticoids
* abnormal resting EKG
* angina and/or evidence of acute myocardial ischemia during a treadmill test
* resting blood pressure above 150 mmHg systolic of 90 mmHg diastolic
* anti-resorptive drug use in the last 2 years
* initiation of treatments that could impact bone metabolism (diuretics, hormones, bine anabolic agents) in the prior 6 months
* dual-energy x-ray absorptiometry (DXA) t-score \<+ -2.5 at the femoral neck and/or lumbar spine
* serum vitamin D concentration \<20 ng/mL
* uncontrolled thyroid disease
* any contraindications to regular exercise
Minimum Eligible Age

60 Years

Maximum Eligible Age

75 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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VA Eastern Colorado Health Care System

FED

Sponsor Role collaborator

University of Colorado, Denver

OTHER

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Wendy Kohrt, PhD

Role: PRINCIPAL_INVESTIGATOR

University of Colorado, Denver

Locations

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University of Colorado Anschutz Medical Campus

Aurora, Colorado, United States

Site Status

Veteran's Affairs Eastern Colorado Healthcare System

Denver, Colorado, United States

Site Status

Countries

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United States

Other Identifiers

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15-1451

Identifier Type: -

Identifier Source: org_study_id

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