Early Avocado Exposure on Development and the Gut Microbiome in American Hispanic Infants

Trial statusRecruiting
Trial phaseNot applicable
Trial typeInterventional
Biological sexAll
Age3-6
SponsorArizona State University

About this trial

The goal of this clinical trial is to learn if daily avocado intake can improve growth and brain and gut health in infants. The main questions it aims to answer are:

Does daily eating of avocados change which microbes live in the infant's gut? Does daily avocado intake improve infant motor skills and cognitive development?

Researchers will compare avocado intake to standard of care (no or limited avocado intake) to see if regular avocado intake from 6-12 months of life influences gut and brain health.

Participating mothers/guardians and their infants will:

Parents will provide avocado or no avocado to their infant every day for 6 months starting around 6 months of infant age.

Parents will allow study staff to visit participant homes to collect data via surveys and observations and measure infant growth.

Parents will swab soiled infant diapers for gut microbe measures. Parents will keep a diary of the infant's avocado consumption and acceptance of the food.

Parents will record their infant's dietary intake

Eligibility criteria

This trial accepts healthy volunteers

Qualifiers

4-6-month-old Hispanic/Latine, non-preterm (>37 weeks gestation) singleton infants

Infants born to mothers 18 years and older while pregnant

Parents speak English and/or Spanish

Families willing to begin feeding infants avocado around 6 months of age or when the infant is ready for solids for a total of 6 months

Disqualifiers

Infants with growth, chromosomal, or genetic abnormality, developmental and cognitive impairments, or severe comorbidity that could impact growth and development

Infants born with congenital abnormalities or developmental delays

Infant birth weights <2500 g or >4000 g

Infants introduced to solid foods prior to 3 months of age

Trial design

Design model

Parallel

Treatments tested in this trial

  • Daily avocado

    Other intervention

    Infants in the daily avocado group will receive a daily exposure amount of avocado ranging from 1/4 (\~37.5 g or 1.25 oz) to 1/2 (\~75 g or 2.5 oz) of a medium-sized avocado. At 6-8 months, infants will be provided 1/4 (\~37.5 g or 1.25 oz) of a medium-sized avocado for daily consumption. Then from 9-12 months, they will begin receiving 1/2 (\~75 g or 2.5 oz) of a medium-sized avocado for daily consumption.

Treatment groups

150 Participants
are divided into 2 treatment groups
Group A: Daily AvocadoExperimental treatment 1 intervention
Group B: No Avocado ControlNo intervention 0 interventions

Trial outcomes

Primary outcomes

1

Gut microbiome

Parents will collect stool samples from infant diapers using sterile swabs (parent will swab a soiled diaper) and backup soiled diapers.

Time frame
At enrollment to the end of treatment at 6 months

Secondary outcomes

1

Vineland Adaptive Behavior Scale (Vinland-3)

A questionnaire completed by the parent/caregiver that is normed for ages from birth through 90 years. The tool assesses adaptive behaviors (things people do to function in everyday life) in three domains: communication, daily living skills, and socialization.

Time frame
From enrollment to the end of treatment at 6 months
2

McArthur Bates Communicative Development Inventories III (MBCDI-III)

A widely used checklist completed by parents to assess children's early communication skills such as comprehension and use of gestures and words.

Time frame
From enrollment to the end of treatment at 6 months
3

HOME Assessment

Research personnel will objectively evaluate the caring environment in which a child is raised and parent-child interaction using this validated assessment.

Time frame
From enrollment to the end of treatment at 6 months
4

Mullen Scales of Early Learning

Study staff will administer a structured 15-minute play session with the infant to objectively assess motor, visual, and early language skills.

Time frame
From enrollment to the end of treatment at 6 months

Other outcomes

1

Skin Carotenoid Concentration

The Veggie-Meter, a non-invasive measurement device, will be used to assess the carotenoid content on the index finger of the infant's right hand using reflection spectroscopy via a 2 mm wide white LED light (similar to pulse oximeter measures on the index finger).

Time frame
From enrollment to the end of treatment at 6 months
2

Infant 24-hour Diet Records

Habitual intake will be assessed via the Automated Self-Administered 24-hr recall software (ASA24) on 2 weekdays and one weekend day developed by the National Cancer Institute.

Time frame
From enrollment to the end of treatment at 6 months
3

Food intake photos

Pre-post meal photos of the infant and their food will be provided by the parents. These images will be used to help corroborate dietary intake and behavior data.

Time frame
From enrollment to the end of treatment at 6 months
4

Centers for Disease Control Infant Feeding Practices Study II Questionnaire

This questionnaire asks about breastfeeding, formula feeding, complementary feeding, introduction to solid foods, food allergies, and participation in the Special Supplemental Nutrition Assistance Program for Women, Infant, and Children.

Time frame
From enrollment to the end of treatment at 6 months

Sponsors and contacts

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