Checking a new phone-based method to track what you eat (ESDAM)

Is this trial a fit for you?

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This observational project runs for four weeks and compares the new Experience Sampling Dietary Assessment Method (ESDAM) with objective biomarkers and reference dietary methods. The first two weeks collect baseline data including demographics, biometrics, and three 24‑hour dietary recalls. The final two weeks compare ESDAM entries to doubly-labelled water, urinary nitrogen, blood biomarkers (erythrocyte fatty acids, beta‑carotenoids, polyphenols), continuous glucose monitoring, and wrist-worn motion sensors. The goal is to determine construct validity and practical feasibility for research and clinical use.

Why it matters

Who can join: the full rules

Inclusion Criteria:

* Signed informed consent
* Having a smartphone and being capable of using the smartphone and apps
* Having a freezer at home
* Sufficient knowledge of the Dutch language to understand and participate in the study
* Having a stable body weight (body weight not changed by 5% last 3 months)
* Not aiming to gain or lose weight during the study period

Exclusion Criteria:

* Pregnant or lactating women
* Not following a specific diet for medical reasons (i.e. coeliac disease)

Where it's running

• KU Leuven
  Leuven, Vlaams Brabant, Belgium Recruiting

Study contacts

• Principal investigator: Christophe Matthys, PhD — KU Leuven/UZ Leuven
• Study coordinator: Christophe Matthys, PhD
• Email: christophe.matthys@uzleuven.be
• Phone: +32 16 34 26 55

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How to take part

1. Review the eligibility criteria above with your treating physician.
2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.