Effects of different fat and carbohydrate diets on digestion and metabolism

Exploring the Effects of Varying Fat:Carbohydrate Diet Permutations on Gastric Emptying and Metabolic Status Using Human Postprandial Model

Not applicable Interventional Malaysia Palm Oil Board · NCT05977244

This study tests how different types of fat and carbs in meals affect digestion and metabolism in healthy people.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment14 (estimated)
Ages21 Years to 40 Years
SexAll
SponsorMalaysia Palm Oil Board Government
Locations1 site (Kajang, Selangor)
Trial IDNCT05977244 on ClinicalTrials.gov

What this trial studies

This clinical trial investigates how varying the composition of meals, specifically the ratio of fat to carbohydrates and the type of fats used, affects gastric emptying and metabolic outcomes in healthy individuals. The study employs a randomized, crossover design with participants undergoing multiple diet rotations, each followed by assessments of blood glucose and insulin levels. Participants will consume test meals and undergo MRI scans to evaluate gut physiology and metabolic responses. The trial aims to provide insights into how meal composition influences postprandial lipemia and glycemia.

Who should consider this trial

Good fit: Ideal candidates for this study are healthy individuals aged 18-65 with a BMI between 18.5 and 25.0 and normal fasting blood glucose levels.

Not a fit: Patients with chronic diseases such as diabetes, cardiovascular disease, or gastrointestinal illnesses will not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to optimized dietary recommendations for better metabolic health and management of postprandial conditions.

How similar studies have performed: While there have been studies on dietary impacts on metabolism, this specific approach of varying fat and carbohydrate ratios in a controlled setting is relatively novel.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

Healthy subjects, (n=12-14) without history of chronic disease(s) with body mass index (BMI) between 18.5-25.0 kg/m2 and normal fasting blood glucose status \[\<5.4 mmol/L\] will be enrolled into the study.

Exclusion Criteria:

1. Using pharmacotherapy that interferes with lipid and glucose metabolism or gastrointestinal transit (constipating drugs) or on oral contraceptives (women).
2. Underweight body mass index (BMI): \< 18.5 kg/m2
3. With medical history of cardiovascular disease (CVD), Diabetes Mellitus, dyslipidemia and other chronic diseases,
4. acute or chronic gastrointestinal illness
5. If vulnerable to claustrophobia or anxiety
6. Regular alcohol usage
7. On low-calorie diets
8. Smoking

Where this trial is running

Kajang, Selangor

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Postprandial LipemiaPostprandial GlycemiaGastric Emptyingmeal compositionP/S ratiomacronutrient distributionglycemic indexglycemia
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.