Status:

COMPLETED

Dinner Time 2: Effect of Delayed Eating or Sleeping on Metabolism

Lead Sponsor:

Johns Hopkins University

Collaborating Sponsors:

University of Arkansas

National Heart, Lung, and Blood Institute (NHLBI)

Conditions:

Healthy

Eligibility:

All Genders

18-30 years

Phase:

NA

Brief Summary

This study examines the acute impact of eating an "early" versus "late" dinner. "Early" and "late" will be customized to individuals based on the individuals' own circadian rhythms. Healthy adults wil...

Detailed Description

Obesity is a worldwide health problem. Recent studies suggest that the timing of meals may be critically important for weight control and cardiovascular health. Consuming calories later in the day is ...

Eligibility Criteria

Inclusion

  • Inclusion:
  • Healthy male and female adult volunteers, age 18-30
  • BMI 18-30 kg/m2
  • Accustomed to a bedtime before 1:00 A.M. or having mid-sleep on free days (MSF) earlier than 5 A.M. from the Munich Chronotype Questionnaire (MCTQ) (to exclude extreme late chronotypes)
  • Exclusions:
  • Sleep disorder including insomnia, sleep apnea, circadian rhythm disorder, restless leg syndrome, narcolepsy, shift work sleep disorder
  • Gastroesophageal reflux disease that affects ability to tolerate a dinner close to bed time.
  • Chronic use of sedative hypnotics, anxiolytics, opiates
  • Use of medications that can affect circadian rhythm (beta blockers, melatonin)
  • Active smoking (may interfere with metabolism and Clinical Research Unit (CRU) activities)
  • Diabetes (type 1 or 2)
  • HbA1c point of care \>= 6.5%
  • Kidney disease
  • Any known history of an inherited metabolic disorder
  • Pregnant or lactating female (pregnancy test will be required)
  • Professional or collegiate athlete
  • Travel across \>1 time zone within a 3-month period before and during the protocol
  • DLMO \> 24:00 will be excluded from the metabolic study visits

Exclusion

    Key Trial Info

    Start Date :

    January 15 2021

    Trial Type :

    INTERVENTIONAL

    Allocation :

    ACTUAL

    End Date :

    June 19 2025

    Estimated Enrollment :

    41 Patients enrolled

    Trial Details

    Trial ID

    NCT04671797

    Start Date

    January 15 2021

    End Date

    June 19 2025

    Last Update

    June 22 2025

    Active Locations (1)

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    Page 1 of 1 (1 locations)

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    Johns Hopkins Bayview Medical Center

    Baltimore, Maryland, United States, 21224