Status:

RECRUITING

Decision-making and Food Intake

Lead Sponsor:

German Institute of Human Nutrition

Conditions:

Behavior

Hormones

Eligibility:

FEMALE

18-35 years

Phase:

NA

Brief Summary

The study will investigate how the expectation of food availability impacts the response to food cues, mood, interoceptive awareness, and consumption of food intake in healthy, naturally cycling women...

Detailed Description

In this within-subjects, randomized crossover study, we will probe how perceived meal availability shapes eating behavior, cognition, and metabolic markers in healthy, naturally cycling women. Each wo...

Eligibility Criteria

Inclusion

  • Nulliparous women (age: 18-35 years) with a regular menstrual cycle (25-32 days)
  • Legally competent/Consent to participate
  • Language proficiency in German (native speaker, fluent)
  • Physically and mentally healthy
  • Body mass index (BMI) of 18.5 - 30 kg/m2

Exclusion

  • Current or use of hormonal contraceptives in the previous 6 months
  • Current use of hormonal intra-uterine devices (IUDs)
  • Previous or current pregnancy
  • Diagnosed psychological or metabolic disorder
  • Former or current illnesses of:
  • Brain or mind (including anxiety disorders, depression, eating disorders, personality disorders, alcohol, drugs or drug or non-substance dependence, neurological disorders other than occasional headache, psychiatric or neurological abnomalities)
  • Heart or blood circulation/cardiovascular disease (myocardial infarction, stroke, hypertension, hypotension, having a pacemaker)
  • Gastro-intestinal disorders (e.g. colon diseases, irritable bowel syndrome, Crohn's disease)
  • Endocrine disorders (e.g. thyroid disorders)
  • Other serious past or present medical conditions (for example, metabolic syndrome, diabetes)
  • Other serious health problems or current severe mental or physical stress.
  • Blood clotting disorder
  • Fear of drawing blood
  • Severe anemia
  • Previously diagnosed hypoglycemia episodes
  • Regular intake of medication (e.g. Antidepressant/anti-anxiety medication)
  • Blood donation within 4 weeks before the study appointment
  • Intake of anticoagulant medications
  • illegal drug consumption
  • smoking or nicotine consumption
  • extreme athletes
  • vegetarians or vegans or any other dietary restrictions due to allergies or intolerances
  • shift workers

Key Trial Info

Start Date :

August 4 2025

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

July 31 2026

Estimated Enrollment :

45 Patients enrolled

Trial Details

Trial ID

NCT07133529

Start Date

August 4 2025

End Date

July 31 2026

Last Update

August 21 2025

Active Locations (1)

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German Institute of Human Nutrition Potsdam-Rehbruecke

Nuthetal, Brandenburg, Germany, 14558