Measuring Cowpea Consumption in Young Children and Pregnant Women in Ghana

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

47 participants

Study Classification

INTERVENTIONAL

Study Start Date

2019-07-25

Study Completion Date

2019-09-16

Brief Summary

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Current dietary assessment methods rely on self-report food intake such as food frequency questionnaires, 24-hr dietary recall, or diet diaries, and the prevalence of misreporting with these tools is estimated at 30-88%.A reliable and convenient way to measure the quantity of cowpea consumed by an individual. The hope is to identify a novel set of dietary biomarkers that will measure cowpea consumption, be free from participant recall bias, and serve to quantify legume intake. A total of 40 subjects, 20 children (9-21 months) and 20 pregnant women (\>18 yr) will consume 3 distinct daily intake dosages of cooked cowpeas with the daily intake increased every 5 days. Urine samples will be collected 3 times during each 5-day period and blood spots will be collected during a washout period and at the end of the final 5-day period. Urine samples will undergo metabolite detection via ultra-performance liquid chromatography tandem mass spectrometry in positive and negative ion mode. Peaks are quantified using area-under-the-curve (AUC) and each metabolite is quantified in terms of its median-scaled relative abundance for the metabolite across the entire data set. A repeated measures 2-way ANOVA will be used to compare cowpea metabolite abundances over time and with respect to variation in an individual baseline levels.

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Detailed Description

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Conditions

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Dietary Exposure

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

OTHER

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

Study Groups

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cowpea variety #1

25g of cowpea daily for days 6-10, 50g of cowpea daily for days 11-15 and then 75g of cowpea daily for days 16-20. The pregnant women will receive 50g of cowpea daily for days 6-10, 100g of cowpea daily for days 11-15 and then 150g of cowpea daily for days 16-20

Group Type EXPERIMENTAL

cowpea variety #1

Intervention Type DIETARY_SUPPLEMENT

two most popular varieties of cowpea currently consumed in the selected geographic area

cowpea variety #2

25g of cowpea daily for days 6-10, 50g of cowpea daily for days 11-15 and then 75g of cowpea daily for days 16-20. The pregnant women will receive 50g of cowpea daily for days 6-10, 100g of cowpea daily for days 11-15 and then 150g of cowpea daily for days 16-20

Group Type EXPERIMENTAL

cowpea variety #2

Intervention Type DIETARY_SUPPLEMENT

two most popular varieties of cowpea currently consumed in the selected geographic area

Interventions

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cowpea variety #1

two most popular varieties of cowpea currently consumed in the selected geographic area

Intervention Type DIETARY_SUPPLEMENT

cowpea variety #2

two most popular varieties of cowpea currently consumed in the selected geographic area

Intervention Type DIETARY_SUPPLEMENT

Eligibility Criteria

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Inclusion Criteria

* Healthy children between the ages of 9-21 months and pregnant women \> 18 years of age and between 20-25 weeks of gestation.

Exclusion Criteria

* Children with acute malnutrition, congenital abnormalities, chronic debilitation disease such as heart disease, cerebral palsy, or HIV infection. For the pregnant women they should also be free from acute malnutrition, without known complications such as gestational diabetes, pre-eclampsia, gestational diabetes, or hypertension

Minimum Eligible Age

9 Months

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes