Milk thistle extract shows promise for fatty liver in new study
NCT ID NCT05051527
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This completed study looked at whether Legalon, a milk thistle extract, can help lower liver enzymes in people with non-alcoholic fatty liver disease (NAFLD) who also have metabolic syndrome. Over 360 adults took Legalon along with diet and exercise. The goal was to see if this combination improves liver health. Results may help doctors decide if Legalon is a useful addition to lifestyle changes.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Legalon (silymarin, milk thistle extract)
- What this could lead to
- If effective, Legalon could become a standard add-on to diet and exercise for managing NAFLD and reducing liver enzyme levels.
- What could go wrong
- This is an observational study without a placebo group, so results may be less reliable. The effect may be modest, and long-term benefits are unproven.
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.
- Participants
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362 people
The number who actually took part.
- Started
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Aug 2022
- Finished
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Oct 2024
- Lead sponsor
-
A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
Who is studied
patients with non-alcoholic fatty liver disease and concomitant metabolic syndrome
- Ages
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18 years and older
- 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: 1. Legalon® monotherapy prescribed by the treating Investigator according to the SPC, independently from and within a 4-week window prior to enrolment into the study. 2. Male/female, 18 years of age and older 3. Able to provide informed consent 4. Available baseline blood results not older than 4 weeks from inclusion, with elevated plasma level of at least one liver enzyme with respect to normal ranges of local laboratory (\>1 UNL) 5. NAFLD diagnosed by ultrasonography according to the protocol by Hamaguchi or by the protocol of Ballestri 6. Presence of metabolic syndrome, defined as the presence of at least 3 out of 5 of the following: 1. Central obesity (for Asian population, waist circumference ≥90 cm in males, ≥80 cm in females) 2. Insulin resistance (fasting blood glucose ≥100mg/dl or under medication) 3. High blood pressure (≥ 130/85 mmHg or on medication) 4. High triglycerides (≥150 mg/dl or on medication) 5. Low HDL-cholesterol (\<40mg/dl in men, \<50mg/dl in women) 7. Started diet and exercise interventions, as per treating Investigator's suggestion and in line with current guidelines within a 4-week window prior to enrolment into the study Exclusion Criteria: 1. Significant alcohol intake \>7 standard alcoholic drinks per week (70 g ethanol) in women and \>14 (140 g) in men 2. Received Legalon® or any other hepatoprotective treatment before the allowed 4-week window prior to enrolment into the study. 3. On diet and exercise before the allowed 4-week window prior to enrolment into the study. 4. Other concomitant established / diagnosed liver diseases, including chronic hepatitis B, chronic hepatitis C, autoimmune liver diseases (including autoimmune hepatitis), celiac disease, primary biliary cholangitis, primary sclerosing cholangitis, biliary obstruction, drug-induced liver disease (including herbal medicines and dietary supplements), metabolic liver disorders (such as Wilson's disease, alpha-1- antitrypsin deficiency, hemochromatosis, glycogen storage disorders, cholesterol storage disorders), severe liver diseases, non-alcoholic steatohepatitis (NASH) or other forms of advanced fatty liver disease (including clinically relevant fibrosis, \>F2, or established cirrhosis), liver carcinoma 5. Patients treated with drugs with known hepatotoxic effects (at risk of drug-induced liver injury \[DILI\]), including herbal medicines and dietary supplements 6. Other major diseases that, in the treating Investigator opinion, can impair liver function, as for example type 1 diabetes 7. Pregnant and/or breastfeeding women 8. Persons that, in treating Investigator's opinion, are not able to fulfil study requirements 9. Persons that refuses to participate 10. Patients that, in the Investigator's opinion, are or have been infected with COVID-19 (i.e. presence/referral of COVID-19 symptoms or positive antigenic/molecular test)
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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
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Phramongkutklao Hospital, 315 Ratchawithi Rd, Thung Phaya Thai, Ratchathewi
Bangkok, 10400, Thailand
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