Three‐arm clinical trial of improved flour targeting intestinal microbiota (MALINEA).

The main objective of this project was to compare in the field conditions two strategies of re‐nutrition of children with moderate acute malnutrition (MAM) aged from 6 to 24 months, targeting the microbiota in comparison with a standard regimen. A three‐arm, open‐label, pragmatic randomised trial was conducted in four countries (Niger, CAR, Senegal and Madagascar). Children received for 12 weeks either fortified blended flour (FBF control) = arm 1, or FBF + azithromycin (oral suspension of 20 mg/kg/day daily given with a syringe) for the first 3 days at inclusion = arm 2 or mix FBF with inulin/fructo‐oligosaccharides (6 g/day if age ≥12 months and 4 g if age <12 months) = arm 3. For each arm, children aged from 6 to 11 months received 100 g x 2 per day of flours and those aged from 12 to 24 months received 100 g × 3 per day of FBF. The primary endpoint was nutritional recovery, defined by reaching a weight‐for‐height z‐score (WHZ) ≥ −1.5 within 12 weeks. Overall, 881 children were randomised (297, 290 and 294 in arm 1, arm 2 and arm 3, respectively). Three hundred and forty‐four children were males (39%) and median/mean age were 14.6/14.4 months (SD = 4.9, IQR = 10.5–18.4). At inclusion, the three arms were comparable for all criteria, but differences were observed between countries. Overall, 44% (390/881) of the children recovered at week 12 from MAM, with no significant difference between the three arms (41.4%, 45.5% and 45.9%, in arm 1, arm 2 and arm 3, respectively, p = 0.47). This study did not support the true advantages of adding a prebiotic or antibiotic to flour. When using a threshold of WHZ ≥ −2 as an exploratory endpoint, significant differences were observed between the three arms, with higher success rates in arms with antibiotics or prebiotics compared to the control arm (66.9%, 66.0% and 55.2%, respectively, p = 0.005). Key messages: Re‐nutrition of children with MAM is still a concern as the duration of recovery is always long and recurrences are frequent.Literature suggests that prebiotics and antibiotics show potentially useful properties to speed this process of recovery.However, in this open‐label study, prebiotics and antibiotics did not lead to advantages on the recovery rates defined by reaching the WHZ (−1.5) cut‐off. [ABSTRACT FROM AUTHOR]

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