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Role of Photic and Non-photic Time Cues in Resetting Circadian Rhythms

NCT05276739 · Status: UNKNOWN · Phase: NA · Type: INTERVENTIONAL · Enrollment: 48

Last updated 2023-06-07

No results posted yet for this study

Summary

The aim of this study is to determine the principal time cue (light or meals) for resetting circadian rhythms in melatonin and metabolic outcomes.

Conditions

  • Light Exposure
  • Meal Timing

Interventions

BEHAVIORAL

Bright Light

6.5-hour 10,000 lux light pulse (4100K fluorescent light) centered within the 16-hour wake episode (start 4.75 hour after wake and end 11.25 hour after wake).

BEHAVIORAL

Time-restricted eating

6.5-hour restricted meal window (4 meals at 4.75, 6.9, 9.1, 11.25 hours after waking) centered within the 16-hour wake episode.

BEHAVIORAL

Dim light

dim light (\<3 lux) throughout the 16-hour wake episode

BEHAVIORAL

12-h meal window

12-hour restricted meal window (4 meals at 2, 6, 10, and 14 hours after waking) centered within the 16-hour wake episode.

Sponsors & Collaborators

  • Brigham and Women's Hospital

    lead OTHER

Study Design

Allocation
RANDOMIZED
Purpose
BASIC_SCIENCE
Masking
SINGLE
Model
PARALLEL

Eligibility

Min Age
18 Years
Max Age
30 Years
Sex
ALL
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2022-07-29
Primary Completion
2025-03-30
Completion
2025-09-30

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 NCT05276739 on ClinicalTrials.gov