Mass azithromycin distribution and nutritional status among children aged 1–59 months
A secondary analysis of a cluster randomized trial
Bibliographic Data
Twice yearly distribution of azithromycin has been shown to reduce all-cause child mortality in several contexts. Azithromycin likely reduces mortality via reduction in clinical or subclinical infections. Treating infections may improve child nutritional status to further reduce mortality risk. Here, we used data from a placebo-controlled cluster randomized trial of azithromycin for prevention of child mortality in Burkina Faso to evaluate the effects of twice-yearly azithromycin on mid-upper arm circumference (MUAC) in children aged 1–59 months and weight-for-age Z-score (WAZ) in infants aged 1–11 months. The Child Health with Azithromycin Trial (CHAT) was a 1:1 cluster randomized trial of twice-yearly azithromycin compared to matching placebo for prevention of all-cause mortality in children aged 1–59 months. Measurements were collected every 6 months, including MUAC measurements in all children and weight measurements in infants aged 1–11 months to calculate weight-based dosing. We evaluated MUAC and WAZ at the community level and longitudinally at the individual child level, accounting for the cluster randomized design of the trial. 80,282 children aged 1–59 months, of whom 26,983 were infants aged 1–11 months, in 284 communities were included in analyses. At the community level, we found no evidence of a difference in mean MUAC or WAZ after 36 months or over time. There was no evidence of a difference in change over time in MUAC ( P -value for interaction = 0.94) or WAZ ( P = 0.18) at the individual level. We found no evidence to support an effect of twice-yearly mass azithromycin distribution on measures of undernutrition in children in this setting in Burkina Faso. Trial registration ClinicalTrials.gov NCT03676764
Burkina Faso · child mortality prevention · child nutritional status · Infants · Malnutrition · mid-upper arm circumference · weight-for-age z-score · Child Nutrition and Water Access · Global Maternal and Child Health · Poverty, Education, and Child Welfare
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