Effects of soy foods on children's health and cognition

Plants Optimizing Development Study

Not applicable Interventional University of Illinois at Urbana-Champaign · NCT06276426

This study is testing whether eating soy foods every day for three months can improve health and thinking skills in children aged 8-11 without affecting their hormone levels.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment96 (estimated)
Ages8 Years to 11 Years
SexAll
SponsorUniversity of Illinois at Urbana-Champaign Academic / other
Locations1 site (Urbana, Illinois)
Trial IDNCT06276426 on ClinicalTrials.gov

What this trial studies

This study conducts a randomized clinical trial to evaluate the impact of a 3-month daily mixed-soy food intervention compared to a control group receiving isocaloric foods. It focuses on measuring changes in reproductive hormones, body composition, metabolic risk, fecal microbiota, and cognitive function in children aged 8-11 years. The study also aims to assess the acceptance of soy foods in children following the intervention. The central hypothesis is that increased soy isoflavone consumption will lead to beneficial outcomes without altering sex steroid levels.

Who should consider this trial

Good fit: Ideal candidates are healthy children aged 8-11 years who have minimal prior soy food consumption and no food allergies.

Not a fit: Children with specific neurological or genetic disorders, or those with existing metabolic or gastrointestinal diseases, may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could enhance children's metabolic health and cognitive function through dietary interventions.

How similar studies have performed: While the specific approach of this study is novel, previous research has indicated potential benefits of soy isoflavones in health, suggesting a promising avenue for exploration.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Child assent and parent/guardian consent
* Free of any food allergy
* 8-11 years of age
* Tanner scale score of ≤ 2
* 20/20 or corrected vision
* No antibiotic usage in the past 3 months
* ≤1 serving/d of soy food habitual consumption

Exclusion Criteria:

* Non-assent or consent by child assent and/or parent/guardian
* Presence of any food allergy
* Younger than 8 years or older than 11 years
* Presence of specific neurological and genetic disorders (i.e., Autism, Cerebral Palsy, Multiple Sclerosis, Down syndrome)
* Presence of endocrine, metabolic, and gastrointestinal disease e.g., hypertension, diabetes, celiac disease
* Tanner scale score of \> 2
* Not 20/20 or uncorrected vision
* Antibiotic usage in the past 3 months
* \>1 serving/d of soy food habitual consumption

Where this trial is running

Urbana, Illinois

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 Healthy Childrensoyisoflavonescognitionbody compositionfecal microbiotametabolic risk
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.