Effects of Light and Exercise on Human Circadian Rhythms and Performance

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Mass General Brigham

Status

Completed

Conditions

Circadian Rhythm

Treatments

Behavioral: Light and exercise

Study type

Interventional

Funder types

Other

Identifiers

NCT02747719
HFP02802

Details and patient eligibility

About

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.

Enrollment

8 patients

Sex

All

Ages

18 to 55 years old

Volunteers

Accepts Healthy Volunteers

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

Trial design

Primary purpose

Basic Science

Allocation

N/A

Interventional model

Single Group Assignment

Masking

None (Open label)

8 participants in 1 patient group

Light and exercise
Experimental group
Description:
Exposure to light with exercise
Treatment:
Behavioral: Light and exercise

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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