NCT03737071

Brief Summary

The purpose of this study is to examine whether a low carbohydrate diet as compared to simple calorie restriction decreases hepatic lipid content and changes hepatic mitochondrial flux in humans.

Trial Health

55
Monitor

Trial Health Score

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

Trial has exceeded expected completion date
Enrollment
10

participants targeted

Target at below P25 for not_applicable

Timeline
Completed

Started Nov 2018

Longer than P75 for not_applicable

Geographic Reach
1 country

1 active site

Status
active not recruiting

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

November 6, 2018

Completed
3 days until next milestone

First Posted

Study publicly available on registry

November 9, 2018

Completed
6 days until next milestone

Study Start

First participant enrolled

November 15, 2018

Completed
5.6 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

July 1, 2024

Completed
1 month until next milestone

Study Completion

Last participant's last visit for all outcomes

August 1, 2024

Completed
Last Updated

July 24, 2024

Status Verified

July 1, 2024

Enrollment Period

5.6 years

First QC Date

November 6, 2018

Last Update Submit

July 23, 2024

Conditions

Outcome Measures

Primary Outcomes (2)

  • Change in hepatic triglyceride content

    Change in hepatic triglyceride content will be measured using 1H magnetic resonance spectroscopy (MRS).

    1 week

  • Change in hepatic mitochondrial flux

    Change in the rate of hepatic mitochondrial flux (Vcs) will be assessed using 3-13C-lactate infusion.

    1 week

Secondary Outcomes (2)

  • Change in beta-hydroxybutyrate production rate

    1 week

  • Change in glucose production rate

    1 week

Study Arms (2)

Low Carbohydrate Diet

EXPERIMENTAL

Low Carbohydrate Diet

Behavioral: Low Carbohydrate Diet

Simple Calorie Restriction Diet

ACTIVE COMPARATOR

Simple Calorie Restriction Diet

Behavioral: Simple Calorie Restriction Diet

Interventions

Ketogenic dietary intervention

Low Carbohydrate Diet

Simple calorie restriction dietary intervention

Simple Calorie Restriction Diet

Eligibility Criteria

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

You may qualify if:

  • Age 18-70
  • Subjects must be able to communicate meaningfully with the investigator and must be legally competent to provide written informed consent

You may not qualify if:

  • chronic liver disease other than NAFLD
  • chronic disease associated with hepatic steatosis such as diabetes mellitus
  • use of drugs known to affect hepatic steatosis
  • contraindications for MRI
  • pregnancy or nursing at the time of the study

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Biomedicum 2U

Helsinki, Uusimaa, 00290, Finland

Location

MeSH Terms

Conditions

Fatty Liver

Interventions

Diet, Carbohydrate-Restricted

Condition Hierarchy (Ancestors)

Liver DiseasesDigestive System Diseases

Intervention Hierarchy (Ancestors)

Diet TherapyNutrition TherapyTherapeuticsDietNutritional Physiological PhenomenaDiet, Food, and NutritionPhysiological Phenomena

Study Officials

  • Panu Luukkonen

    Helsinki University Central Hospital

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
NON RANDOMIZED
Masking
NONE
Purpose
BASIC SCIENCE
Intervention Model
CROSSOVER
Model Details: Low Carbohydrate Diet versus Simple Calorie Restriction Diet
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
MD, PhD

Study Record Dates

First Submitted

November 6, 2018

First Posted

November 9, 2018

Study Start

November 15, 2018

Primary Completion

July 1, 2024

Study Completion

August 1, 2024

Last Updated

July 24, 2024

Record last verified: 2024-07

Data Sharing

IPD Sharing
Will not share

IPD will be shared as much as our ethics permission and the GDPR regulations of the European Union allow

Locations