Fortified Rice for School Children in Cambodia

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

9500 participants

Study Classification

INTERVENTIONAL

Study Start Date

2012-10-31

Study Completion Date

2014-12-31

Brief Summary

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Rice fortification has been shown to be safe and effective in improving micronutrient status in many studies around the world. However, most studies have been done in Latin America, Africa and India. There are no studies available from Cambodia. Moreover, there is no data available on whether fortified rice can reduce the prevalence of anemia in school children in Cambodia, nor whether there will be additional benefits, such as better learning capability of school children or fewer days missed due to better health. To inform WFP, Cambodian policy and the public on the potential benefits of fortified rice on health and development for Cambodian school children, an intervention study will be conducted in Kampung Speu province during the 2012 - 2013 school year. The study will be conducted by IRD, PATH and WFP. Sixteen schools will be selected to receive either the normal rice provided by the WFP school meal program, or fortified rice instead of normal rice. Three (3) different types of fortified rice will be tested, to identify the best type of fortified rice. In addition, 4 schools with no school meal program will be selected to serve as control. School attendance and morbidity will be followed in all children in the participating schools over the whole school year. Biochemical indicators of micronutrient status will be determined in a subgroup of children (25% of the children), which requires collection of blood, urine and stool samples.

Detailed Description

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Micronutrient deficiencies are a major health problem in many developing countries, including Cambodia. Micronutrient deficiency results in poor health, with a much higher risk for mortality in vulnerable groups such as pregnant women and young infants, and delayed physical and cognitive development, resulting in retarded growth and stunting. It thereby prevents children from reaching their full potential as micronutrients play an important role in children's cognitive and motor development.

The UN World Food Program (WFP) provides a daily school meal to \~500,000 school children in Cambodia. The main objective of the school meal program is to increase school attendance. Although the school meal provides salt fortified with iodine, and vegetable oil fortified with vitamin A, the school meal provides an excellent opportunity to improve micronutrient status of school children by providing them with rice fortified with vitamins and minerals such as zinc, vitamin A, iron, folic acid and vitamin B12. This is likely to reduce the prevalence of anemia in school children and improve health and school performance. Anemia is a major problem in school children in Cambodia. A recent study by WFP showed that more than half of the school children were anemic.

Rice fortification has been shown to be safe and effective in improving micronutrient status in many studies. However, most studies have been done in Latin America, Africa and India. There are no studies available from Cambodia, except for an acceptability study of fortified rice conducted by WFP and the Institute of Research for Development (IRD) in 2010 in Kampung Speu. This acceptability study showed that fortified rice has an excellent acceptability among school children, parents and teachers. However, there is no data available on whether fortified rice can reduce the prevalence of anemia in school children in Cambodia, nor whether there will be additional benefits, such as better learning capability of school children or fewer days missed due to better health.

To inform WFP, Cambodian policy and the public on the potential benefits of fortified rice on health and development for Cambodian school children, an intervention study will be conducted in Kampung Speu province during the 2012 - 2013 school year. The study will be conducted by IRD, PATH and WFP. Sixteen (16) schools will be selected to receive either the normal rice provided by the WFP school meal program, or fortified rice instead of normal rice. Three (3) different types of fortified rice will be tested, to identify the best type of fortified rice. In addition, 4 schools with no school meal program will be selected to serve as control. School attendance and morbidity will be followed in all children in the participating schools over the whole school year. Biochemical indicators of micronutrient status will be determined in a subgroup of children (25% of the children), which requires collection of blood, urine and stool samples.

The study will be submitted to the Ethical Committee of the Ministry of Health for approval, and the Ethical Review Board of PATH, USA. Furthermore, approval will be obtained from the Ministries of Health, Education and Planning prior to the commencement of the study.

Potential benefits of the study includes the immediate treatment of school children found to have severe anemia (hemoglobin \< 70 g/L) and improved health and cognitive development for all children receiving fortified rice. Potential disadvantages and risks of the study include side effects of blood taking in the subgroup of children and the disruption of classes for a few days during the data collection.

If the results of the study show improved health and cognition for school children receiving fortified rice, provision of fortified rice to all 500,000 Cambodian school children taking part in the WFP school meal program in Cambodia could become a priority.

Conditions

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Micronutrient Status

Keywords

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vitamin A iron zinc school children fortified rice morbidity growth

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

FACTORIAL

Primary Study Purpose

PREVENTION

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

Study Groups

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no school meal

control group receiving no school meal

Group Type NO_INTERVENTION

No interventions assigned to this group

normal school meal

school meal without fortified rice, placebo group

Group Type PLACEBO_COMPARATOR

No interventions assigned to this group