Could a 5:2 diet melt fat from your liver?
NCT ID NCT04795973
First seen Jun 25, 2026 · Last updated Jun 26, 2026 · Updated 1 time
Summary
This study looked at whether an 8-week 5:2 intermittent fasting diet could help people with fatty liver disease. Eighty adults with excess liver fat followed the diet, eating normally for 5 days and restricting calories to 500 kcal on 2 non-consecutive days each week. Researchers measured changes in liver fat, body weight, and metabolic health markers before and after the diet.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- 5:2 intermittent fasting diet
- What this could lead to
- If successful, this diet approach could offer a simple, drug-free way to reduce liver fat and improve metabolic health in people with fatty liver disease.
- What could go wrong
- This is a small, completed study without a control group, so results may not be definitive. The diet requires strict adherence and may not work for everyone.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
-
Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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80 people
The number who actually took part.
- Started
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Sep 2020
- Finished
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Apr 2021
- Lead sponsor
-
Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
-
18 to 75 years
- Sex
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Anyone
- Healthy volunteers
-
Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * hepatic fat content (HFC) \> 5.0% evaluated by upper abdominal MRI proton density fat fraction (MRI-PDFF) examinations * age ≥ 18 years * body mass index (BMI) ≥ 18.5 kg/m2 * stable body weight (change \< ± 10% of body weight) during the last 3 months Exclusion Criteria: * plasma aspartate aminotransferase (AST) and alanine amino-transferase (ALT) levels exceeded 2.5 times of the upper limit of normal * fasting blood glucose (FBG) levels ≥ 7.0 mmol/L or glycated hemoglobin A1c (HbA1c) ≥ 6.5% * with type 1 or type 2 diabetes * with heart disease * with other hepatic disease (excluding FLD) * with renal disease
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
-
Beijing Chao-yang Hospital, Capital Medical University
Beijing, Beijing Municipality, 100020, China
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