NCT04351672

Brief Summary

This human dietary intervention study with a cross-over design aims to compare the effects of two isocaloric diets - early time-restricted feeding (TRF) vs. late TRF - on glycemic control and lipid metabolism in overweight and obese women.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
31

participants targeted

Target at P25-P50 for not_applicable

Timeline
Completed

Started Jun 2020

Typical duration for not_applicable

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

April 7, 2020

Completed
10 days until next milestone

First Posted

Study publicly available on registry

April 17, 2020

Completed
2 months until next milestone

Study Start

First participant enrolled

June 23, 2020

Completed
1.5 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 20, 2021

Completed
1.2 years until next milestone

Study Completion

Last participant's last visit for all outcomes

February 28, 2023

Completed
Last Updated

August 26, 2024

Status Verified

August 1, 2024

Enrollment Period

1.5 years

First QC Date

April 7, 2020

Last Update Submit

August 21, 2024

Conditions

Keywords

Time-restricted feedingMeal timingObesityGlycemic controlBlood lipidsInflammationSleep

Outcome Measures

Primary Outcomes (1)

  • Insulin sensitivity

    Assessed using Matsuda index in oral glucose tolerance test (OGTT)

    2 weeks

Secondary Outcomes (18)

  • Glucose tolerance, fasting glucose, and overall daily glycemic variation

    2 weeks (OGTT) and 14 days (CGM)

  • Metabolic hormones and inflammatory markers

    2 weeks

  • Oxidative stress markers

    2 weeks

  • Blood lipids

    2 weeks

  • Blood pressure

    2 weeks

  • +13 more secondary outcomes

Other Outcomes (2)

  • Gene expression in peripheral mononuclear blood cells (PBMC)

    2 weeks

  • Internal circadian phase

    2 weeks

Study Arms (2)

Early Time-Restricted Feeding

EXPERIMENTAL
Behavioral: Early Time-Restricted Feeding

Late Time-Restricted Feeding

EXPERIMENTAL
Behavioral: Late Time-Restricted Feeding

Interventions

Eat between 8 am and 4 pm for two weeks

Also known as: Early TRF, eTRF
Early Time-Restricted Feeding

Eat between 1 pm and 9 pm for two weeks

Also known as: Late TRF, lTRF
Late Time-Restricted Feeding

Eligibility Criteria

Age18 Years - 70 Years
Sexfemale
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • BMI 25-35 kg/m²

You may not qualify if:

  • prior diagnosis of type 1 or 2 diabetes
  • weight changes \> 5% within past 3 months
  • current shift work or history of shift work
  • traveled across more than one time zone one month before the study
  • poor quality of sleep (PSQI score\>10)
  • eating disorders, food intolerance/allergy, severe indigestion
  • Pregnant or breastfeeding
  • severe internal or psychiatric disorders or other conditions that might influence the outcome of the study

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

German Institute of Human Nutrition Potsdam-Rehbruecke

Nuthetal, 14558, Germany

Location

Related Publications (1)

  • Peters B, Koppold-Liebscher DA, Schuppelius B, Steckhan N, Pfeiffer AFH, Kramer A, Michalsen A, Pivovarova-Ramich O. Effects of Early vs. Late Time-Restricted Eating on Cardiometabolic Health, Inflammation, and Sleep in Overweight and Obese Women: A Study Protocol for the ChronoFast Trial. Front Nutr. 2021 Nov 15;8:765543. doi: 10.3389/fnut.2021.765543. eCollection 2021.

MeSH Terms

Conditions

OverweightObesityIntermittent FastingInflammation

Condition Hierarchy (Ancestors)

OvernutritionNutrition DisordersNutritional and Metabolic DiseasesBody WeightSigns and SymptomsPathological Conditions, Signs and SymptomsFastingFeeding BehaviorBehaviorPathologic Processes

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
CROSSOVER
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
project director

Study Record Dates

First Submitted

April 7, 2020

First Posted

April 17, 2020

Study Start

June 23, 2020

Primary Completion

December 20, 2021

Study Completion

February 28, 2023

Last Updated

August 26, 2024

Record last verified: 2024-08

Locations