Food Intake-Related Brain and Metabolic Responses in Obesity

Trial statusRecruiting
Trial phaseNot applicable
Trial typeInterventional
Biological sexAll
Age18-40
SponsorThe Affiliated Nanjing Drum Tower Hospital of Nanjing University Medical School

About this trial

This study is a prospective, single-center, randomized, controlled, crossover intervention trial. A total of 60 participants, including 30 patients with obesity and 30 healthy controls, will be enrolled. Each participant will receive an isocaloric liquid meal challenge (glucose, fat, or protein) on three separate experimental days, with a washout period of at least 7 days between visits to eliminate carryover effects from the previous intervention. The primary objective is to investigate the association between brain functional patterns and plasma metabolic profiles following the ingestion of different macronutrients in patients with obesity, aiming to uncover potential neuro-metabolic imbalance features.

Eligibility criteria

Qualifiers

BMI ≥ 28 kg/m²;

Age 18-40 years;

Any gender;

Right-handed.

Disqualifiers

Diabetes mellitus;

Contraindications or allergies to any ingredient in the standardized meal or macronutrient challenges used in this study;

Central nervous system disorders (e.g., traumatic brain injury, acute cerebral infarction, epilepsy) or psychiatric disorders (e.g., depression, schizophrenia); use of medications acting on the central nervous system within the past 3 months or long-term use;

Severe impairment of liver, kidney, heart, or gastrointestinal function, including alanine aminotransferase (ALT) and/or aspartate aminotransferase (AST) levels >2 times the upper limit of normal; estimated glomerular filtration rate (eGFR) <45 mL/min/1.73 m² calculated by the CKD-EPI equation; history of unstable angina or myocardial infarction within the past 3 months, or heart failure classified as New York Heart Association (NYHA) class II or higher; history of gastrointestinal stoma, bowel resection, intestinal obstruction, or peptic ulcer disease;

Trial design

Treatments tested in this trial

  • Glucose Liquid Meal
  • Fat Liquid Meal
  • Protein Liquid Meal

Treatment groups

60 Participants
are divided into 3 treatment groups