Effects of Light and Exercise on Human Circadian Rhythms and Performance

NCT ID: NCT02747719

Last Updated: 2018-07-11

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

8 participants

Study Classification

INTERVENTIONAL

Study Start Date

2016-04-30

Study Completion Date

2018-05-31

Brief Summary

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Both light and exercise are effective countermeasures for space and ground-based crews for circadian phase resetting and alertness levels. The investigators propose to test the combined effects of these two countermeasures to determine whether adding exercise to light stimuli will further improve circadian phase resetting and alertness.

Detailed Description

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Conditions

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Circadian Rhythm

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Primary Study Purpose

BASIC_SCIENCE

Blinding Strategy

NONE

Study Groups

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Light and exercise

Exposure to light with exercise

Group Type EXPERIMENTAL

Light and exercise

Intervention Type BEHAVIORAL

Exposure to light and exercise

Interventions

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Light and exercise

Exposure to light and exercise

Intervention Type BEHAVIORAL

Eligibility Criteria

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Inclusion Criteria

* healthy by history, physical exam, laboratory studies of blood and urine, and psychological screening
* moderate-intensity exercise for at least 150 minutes per week

Exclusion Criteria

* color blind
* no prescription medications, except hormonal birth control in females
Minimum Eligible Age

18 Years

Maximum Eligible Age

55 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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NSBRI

UNKNOWN

Sponsor Role collaborator

Brigham and Women's Hospital

OTHER

Sponsor Role lead

Responsible Party

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Elizabeth B. Klerman

Associate Professor

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Elizabeth B Klerman, MD PhD

Role: PRINCIPAL_INVESTIGATOR

Associate Professor

Locations

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Brigham and Women's Hospital

Boston, Massachusetts, United States

Site Status

Countries

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United States

Other Identifiers

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HFP02802

Identifier Type: -

Identifier Source: org_study_id

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