This clinical study aims to explore the potential liver-protective effects of palm tocotrienol-rich fraction (a form of Vitamin E) in adults with alcoholic fatty liver disease (AFLD). A total of 26 participants aged 18 to 65 years with AFLD will be randomly assigned to receive either tocotrienol (200 mg twice daily) or a placebo for six months. Throughout the study, participants will undergo regular liver health assessments including blood tests, FibroScan, and FibroTest, alongside evaluations of oxidative stress and inflammation markers. The study aims to determine whether tocotrienol can help improve liver function and reduce alcohol-related liver damage. Findings from this trial may provide valuable evidence for future clinical studies and highlight the potential of Malaysian palm-based tocotrienol as a natural, supportive approach to liver health.
Recent evidence from preclinical studies has shown that tocotrienols, a unique form of Vitamin E derived from palm oil, possess strong antioxidant, anti-inflammatory, and hepatoprotective properties. These effects have been demonstrated in non-alcoholic fatty liver disease (NAFLD) models, suggesting their potential benefit in alcohol-related liver injury as well. However, clinical evidence in human AFLD populations remains limited. Therefore, this study seeks to investigate the efficacy and safety of palm tocotrienol-rich fraction supplementation in patients with AFLD. This is a randomized, double-blind, placebo-controlled Phase II clinical trial involving 26 adult participants aged 18 to 65 years who have been clinically diagnosed with alcoholic fatty liver disease. Participants will be randomly assigned to either: Treatment group (n = 13): receiving palm tocotrienol-rich fraction soft gels (200 mg twice daily); or Placebo group (n = 13): receiving refined, bleached, and deodorised (RBD) palm olein soft gels (200 mg twice daily). The intervention period will last six months, with follow-up assessments every three months. Participants will complete structured questionnaires on alcohol consumption patterns, lifestyle, and dietary habits at each visit. Blood samples will be collected at baseline and follow-up visits to evaluate liver function tests (ALT, AST, GGT, ALP, bilirubin), oxidative stress markers, haematological parameters, and inflammatory biomarkers such as cytokines. Non-invasive liver assessments, including FibroScan and FibroTest, will be performed twice during the study to monitor changes in liver fat content, and stiffness levels. This study aims to provide scientific evidence on the efficacy of tocotrienol-rich fraction in improving liver health among individuals with AFLD. If proven effective, tocotrienol may represent a safe therapeutic option for mitigating alcohol-induced liver injury. The findings will also contribute to the development of evidence-based nutraceutical applications of palm tocotrienol and support efforts to diversify and add value to Malaysia's palm oil industry through health-promoting innovations. Moreover, the results will serve as baseline data for larger-scale clinical trials and future research into tocotrienol's broader therapeutic potential.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
QUADRUPLE
Enrollment
26
The treatment group will be prescribed with palm tocotrienol soft gel (200 mg twice daily). The composition of the tocotrienol mixture is 24.7% α-tocotrienol, 4.5% β-tocotrienol, 36.9% γ-tocotrienol, 12.0% σ-tocotrienol and 21.6% α-tocopherol. It is formulated with a self-emulsifying system (SES) to enhance absorption of tocotrienol. One soft gel will be taken orally, daily after breakfast and dinner to complete the 400 mg daily dose. The treatment period will be 6 months.
The placebo consisted of an equivalent volume of refined, bleached, and deodorised (RBD) palm olein. The placebo was formulated as soft gelatin capsules that were identical to the tocotrienol capsules in colour, size, shape, and surface texture.
Hospital Canselor Tuanku Muhriz Universiti Kebangsaan Malaysia, Jalan Yaacob Latif, Bandar Tun Razak
Cheras, Kuala Lumpur, Malaysia
Change from baseline in Aspartate Aminotransferase (AST) at 3 and 6 months
Reported as absolute and percentage change; Measured in units per liter (U/L); Typical range: 8-48 U/L; Lower values indicate improved liver function.
Time frame: From enrollment to the end of treatment at 3 and 6 months post intervention
Change from baseline in Alanine Aminotransferase (ALT) at 3 and 6 months
Reported as absolute and percentage change; Measured in units per liter (U/L); Typical ranges: 7-56 U/L; Lower values indicate improved liver function.
Time frame: From enrollment to the end of treatment at 3 and 6 months post intervention.
Change from baseline in Gamma-Glutamyl Transferase (GGT) at 3 and 6 months
Reported as absolute and percentage change; Measured in units per liter (U/L); Typical ranges: 8 - 61 U/L; Lower values indicate improved liver function.
Time frame: From enrollment to the end of treatment at 3 and 6 months post intervention.
Between-group difference in AST at 3 and 6 months (Tocotrienol-Rich Fraction [TRF] vs placebo)
Measured in units per liter (U/L); Lower values indicate improvement.
Time frame: From enrollment to the end of treatment at 3 and 6 months post intervention
Between-group difference in ALT at 3 and 6 months (TRF vs placebo)
Measured in units per liter (U/L); Lower values indicate improvement.
Time frame: From enrollment to the end of treatment at 3 and 6 months post intervention
Between-group difference in GGT at 3 and 6 months (TRF vs placebo)
Measured in units per liter (U/L); Lower values indicate improvement.
Time frame: From enrollment to the end of treatment at 3 and 6 months post intervention
Change from baseline in Fatty Liver Index (FLI) at 3 and 6 months
Unitless score (range 0-100); Reported as absolute and percentage change; Higher scores indicate greater hepatic steatosis (worse outcome).
Time frame: From enrollment to the end of treatment at 3 and 6 months post intervention
Between-group difference in Fatty Liver Index (FLI) at 3 and 6 months (TRF vs placebo).
Range 0-100; Higher scores indicate worse steatosis.
Time frame: From enrollment to the end of treatment at 3 and 6 months post intervention
Change from baseline in Liver Stiffness Measurement using Transient Elastography (FibroScan® score) at 3 and 6 months
Measured in kilopascals (kPa; typical range 2-75); Reported as absolute and percentage change; Higher values indicate greater fibrosis (worse outcome).
Time frame: From enrollment to the end of treatment at 3 and 6 months post intervention
Between-group difference in Liver Stiffness Measurement (FibroScan® score) at 3 and 6 months (TRF vs placebo)
Measured in kilopascals (kPa; typical range 2-75); Higher values indicate worse fibrosis.
Time frame: From enrollment to the end of treatment at 3 and 6 months post intervention
Change From Baseline in Plasma Cytokine Levels (Anti-inflammatory Effect of Tocotrienols) at 3 and 6 months.
Cytokine measured: Interleukin-6 (IL-6) in plasma; Measurement method: Multiplex Enzyme-Linked Immunosorbent Assay (ELISA); Measured in picograms per milliliter (pg/mL); Normal range: \< 5-7 pg/mL; Higher values indicate greater inflammation (worse outcome)
Time frame: From enrollment to the end of treatment at 3 and 6 months post intervention
Change From Baseline in Fasting Blood Glucose [FBG] Concentration at 3 and 6 months
Measured in milligrams per deciliter (mg/dL); Typical ranges: 70-100 mg/dL; Higher values indicate worse metabolic profile.
Time frame: From enrollment to the end of treatment at 3 and 6 months post intervention
Change From Baseline in Total Cholesterol (TC) Concentration at 3 and 6 months
Measured in milligrams per deciliter (mg/dL); Typical ranges: 125-200 mg/dL; Higher total cholesterol reflect a worse metabolic profile
Time frame: From enrollment to the end of treatment at 3 and 6 months post intervention
Change From Baseline in Low-Density Lipoprotein Cholesterol (LDL-C) Concentration at 3 and 6 months
Measured in milligrams per deciliter (mg/dL); Typical ranges: 0-130 mg/dL; Higher LDL-C reflect a worse metabolic profile
Time frame: From enrollment to the end of treatment at 3 and 6 months post intervention
Change From Baseline in High-Density Lipoprotein Cholesterol (HDL-C) Concentration at 3 and 6 months
Measured in milligrams per deciliter (mg/dL); Typical ranges: 40-60 mg/dL; Higher HDL-C reflects a better metabolic profile.
Time frame: From enrollment to the end of treatment at 3 and 6 months post intervention
Change From Baseline in Triglyceride (TG) Concentration at 3 and 6 months.
Measured in milligrams per deciliter (mg/dL); Typical ranges: 0-150 mg/dL; Higher triglycerides reflect a worse metabolic profile
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Time frame: From enrollment to the end of treatment at 3 and 6 months post intervention