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NCT Number: NCT07294963

Impact of Lifestyle Interventions on Cognitive Decline in Non-alcoholic Fatty Liver Disease

This study investigates whether a structured lifestyle program can help improve thinking skills and liver health in adults with Non-Alcoholic Fatty Liver Disease (NAFLD). We are enrolling 45 participants, aged 18-42, who will be randomly assigned to one of three groups for six months: one receiving general health advice, a second following a supervised Mediterranean diet plan, and a third combining the same diet with a regular walking program. The main goal is to see if these diet and exercise interventions can lead to better scores on memory and reasoning tests, reduce liver stiffness measured by a painless scan (FibroScan), and improve related blood markers of inflammation and hormone balance.

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Key information

Age range

18 year–42 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

Primary location

Khyber Teaching Hospital, Peshawar, KPK, Pakistan

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About this study

This is a parallel-group, randomized controlled trial designed to evaluate the impact of lifestyle interventions on cognitive function in patients with NAFLD, and to explore associations with liver fibrosis severity and underlying biomarkers. The study aims to recruit 45 participants with imaging-confirmed NAFLD, who will be randomized (1:1:1) into a control group (general advice), a dietary intervention group (structured Mediterranean diet), or a combined intervention group (diet plus supervised exercise). Primary outcomes include cognitive performance measured by the Montreal Cognitive Assessment (MoCA) and serum T-Tau levels, assessed at baseline and after the 6-month intervention. Key secondary outcomes encompass changes in liver fibrosis (via FibroScan and FIB-4 index), inflammatory biomarkers (IL-6, TNF-α), and hormonal profiles (cortisol, testosterone, estradiol). The protocol has received ethical approval from the Khyber Medical University Institutional Review Board, and analysis will follow intention-to-treat principles using repeated-measures ANOVA and regression models to determine intervention efficacy and pathophysiological correlations.

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Age 18 to 42 years.
  • Diagnosed with fatty liver (NAFLD) via imaging (e.g., ultrasound).
  • Liver fibrosis assessed and staged via FibroScan and the FIB-4 index.
  • Literate (to consent and complete cognitive assessments/questionnaires).

Exclusion criteria

  • History of alcohol intake >20g/day.
  • Chronic viral hepatitis B or C.
  • Major neuropsychiatric illnesses.
  • Pregnancy or breastfeeding.
  • Chronic illnesses including Diabetes Mellitus and thyroid dysfunction.

Treatment and study plan

Structured Mediterranean Diet

Behavioral

A culturally adapted, structured dietary plan based on the Mediterranean diet principles, delivered through individual dietitian counseling, provision of weekly meal plans, and ongoing compliance support (food diaries, recalls, monthly check-ins).

Control / General Advice

Behavioral

This intervention consists of providing standardized, non-structured verbal and written information on the principles of a balanced diet and the benefits of regular physical activity, as per routine clinical practice. It serves as the active comparator representing minimal intervention.

Primary outcomes

  1. Composite of Heart Failure Hospitalization or Cardiovascular Death

    Time frame: From randomization up to study completion (maximum follow-up of 30 months).

    Time to first adjudicated event of either hospitalization for worsening heart failure or cardiovascular death. Events will be confirmed by a blinded Clinical Events Committee (CEC).

  2. Change in Kansas City Cardiomyopathy Questionnaire (KCCQ) Overall Summary Score

    Time frame: Baseline, Month 12.

    The Kansas City Cardiomyopathy Questionnaire (KCCQ) is a 23-item, self-administered disease-specific questionnaire. The Overall Summary Score (OSS) aggregates the physical limitation, symptom frequency, quality of life, and social limitation domains. Scores range from 0 to 100, where higher scores indicate better health status. The outcome is the change in KCCQ-OSS from baseline.

  3. Change in N-terminal pro-brain natriuretic peptide (NT-proBNP)

    Time frame: Baseline, Month 6.

    The ratio of change in serum NT-proBNP level from baseline. NT-proBNP will be measured in pg/mL by a central laboratory using a standardized assay.

  4. All-cause Mortality

    Time frame: From randomization up to study completion (maximum follow-up of 30 months).

    Time from randomization to death from any cause.

Study contacts

Contact information is provided by the study sponsor or research team.

Dr Ayesha Qaiser, MBBS, PhD Scholar

CONTACT

[email protected]

+92 332 9135697

Dr Inayat Shah, PhD

CONTACT

[email protected]

+92 332 1431414

Sponsors and collaborators

Lead sponsor

Khyber Medical University Peshawar

Other

Collaborators

  • Khyber Teaching Hospital
  • Northwest General Hospital and Research centre

Registry information

Official study title

Impact of Lifestyle Interventions on Cognitive Decline in NAFLD: A Randomized Controlled Trial of Liver Fibrosis, Hormonal Imbalance, and Inflammatory Markers

Important dates

Study start
2025
Primary completion
2026
Study completion
2026
First posted
Dec 19, 2025
Registry last updated
Dec 19, 2025

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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