💬In plain words
What the trial is, and whether it could suit you
Study Objective: to evaluate the efficacy and safety of rifaximin in the treatment of metabolic-associated fatty liver disease (MAFLD), and investigate the underlying mechanisms by which rifaximin influence MAFLD progression.
Target Population: patients diagnosed with MAFLD. Intervention: this single-center, single-arm exploratory study will enroll up to 40 eligible MAFLD patients who meet the inclusion criteria, do not meet any exclusion criteria, and provide written informed consent. Participants will receive oral rifaximin at a dosage of 1200 mg/day (400 mg, three times daily) for 24 weeks. Patients will be advised to maintain their usual physical activity and adhere to a recommended dietary plan (e.g., Mediterranean diet). Concurrent therapies such as hepatoprotective agents, lipid-lowering medications, and antihypertensive treatments will remain unchanged, with close monitoring of
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📋 Eligibility rules (as published)
Inclusion Criteria:
1. Willing and able to provide written informed consent;
2. Aged 18 to 75 years, regardless of gender;
3. Diagnosed with fatty liver disease within the past 6 months;
4. Presence of at least one of the following metabolic abnormalities:
(1) Overweight or obesity (BMI ≥23 kg/m²) (2) Type 2 diabetes (T2DM) (3) Clinical evidence of metabolic dysfunction (defined as meeting at least two of the following criteria): A. Waist circumference ≥90 cm for males or ≥80 cm for females B. Blood pressure ≥130/85 mmHg and/or diagnosed hypertension under treatment C. Fasting plasma triglycerides ≥1.7 mmol/L (150 mg/dL) or diagnosed hypertriglyceridemia under treatment D. Fasting HDL-C \<1.0 mmol/L (40 mg/dL) for males or \<1.3 mmol/L (50 mg/dL) for females, or diagnosed dyslipidemia under treatment E. Prediabetes: fasting glucose 5.6-6.9 mmol/L (100-125 mg/dL) or 2-hour postprandial glucose 7.8-11.0 mmol/L (140-199 mg/dL) or HbA1c 5.7%-6.4% (39-47 mmol/mol) F. Homeostasis Model Assessment of Insulin Resistance (HOMA-IR) score ≥2.5 G. Plasma high-sensitivity C-reactive protein (hs-CRP) \>2 mg/L 5. Liver fat content ≥8% as measured by MRI proton density fat fraction (MRI-PDFF).
Exclusion Criteria
1. Cirrhosis - Confirmed by clinical, laboratory, imaging, and/or liver biopsy.
2. Chronic liver disease of other etiologies (e.g., viral/autoimmune hepatitis, alcoholic liver disease, drug-induced liver injury)
3. Secondary hepatic steatosis (e.g., drug-induced, total parenteral nutrition-related, or hypothyroidism-associated);
4. Recent use of intestinal flora-modifying agents, or unstable regimens of medications (including hepatoprotectants, metformin, thiazolidinediones, fibrates, statins, et al) within 4 weeks prior to enrollment;
5. Agents with potential effects on MAFLD progression administered within 12 weeks prior to enrollment, excluding those maintained at stable doses for ≥24 weeks (e.g., Glucagon-like peptide-1 receptor agonists, Dipeptidyl peptidase IV inhibitors, Obeticholic acid, Sodium-glucose cotransporter 2 inhibitors, Resmetirom or anti-obesity medications)
6. Poorly controlled diabetes (HbA1c \>9%)
7. Jaundice (total bilirubin ≥85 μmol/L), or Renal dysfunction (serum creatinine ≥1.2 × ULN)
8. History of bariatric surgery
9. Active or suspected malignancy
10. Severe systemic conditions - Including: Inflammatory diseases (e.g., connective tissue disorders), Biliary/pancreatic disorders, Chronic/acute infections, Severe cardiovascular, pulmonary, or hematologic diseases, Myocardial infarction or stroke within 6 months, Psychiatric disorders
11. HIV infection
12. Known hypersensitivity to rifaximin
13. MRI contraindications - Including: Metal implants, Claustrophobia, Body size exceeding scanner capacity
14. Pregnancy, lactation, or planned pregnancy
15. Participation in another drug trial within 3 months
16. Other conditions deemed unsuitable by investigators
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