Volume 40, Issue 5 pp. 795-804

Effect of a new synbiotic mixture on atopic dermatitis in infants: a randomized-controlled trial

L. B. Van Der Aa

L. B. Van Der Aa

Department of Pediatric Respiratory Medicine and Allergy, Emma Children's Hospital

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H. S. Heymans

H. S. Heymans

Department of Pediatrics, Emma Children's Hospital

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W. M. Van Aalderen

W. M. Van Aalderen

Department of Pediatric Respiratory Medicine and Allergy, Emma Children's Hospital

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J. H. Sillevis Smitt

J. H. Sillevis Smitt

Department of Dermatology, Academic Medical Center, Amsterdam, The Netherlands

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J. Knol

J. Knol

Danone Research – Centre for Specialised Nutrition, Wageningen, The Netherlands

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K. Ben Amor

K. Ben Amor

Danone Research – Centre for Specialised Nutrition, Wageningen, The Netherlands

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D. A. Goossens

D. A. Goossens

Danone Research – Centre for Specialised Nutrition, Wageningen, The Netherlands

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A. B. Sprikkelman

A. B. Sprikkelman

Department of Pediatric Respiratory Medicine and Allergy, Emma Children's Hospital

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the Synbad Study Group

the Synbad Study Group

Department of Pediatric Respiratory Medicine and Allergy, Emma Children's Hospital

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First published: 19 April 2010
Citations: 123
Correspondence:
L. B. van der Aa, Department of Pediatric Respiratory Medicine and Allergy, Emma Children's Hospital, Academic Medical Center, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands.
E-mail: [email protected]

Summary

Background Clinical trials investigating the therapeutic effect of probiotics on atopic dermatitis (AD) show inconsistent results. Better results can possibly be achieved by combining probiotics with prebiotics, i.e. synbiotics.

Objective To investigate the therapeutic effect of a synbiotic mixture on the severity of AD in infants.

Methods In a double-blind, placebo-controlled multi-centre trial, 90 infants with AD [SCORing Atopic Dermatitis (SCORAD) score 15], aged <7 months and exclusively formula fed, were randomly assigned to receive either an extensively hydrolysed formula with Bifidobacterium breve M-16V and a galacto-/fructooligosaccharide mixture (Immunofortis®), or the same formula without synbiotics for 12 weeks. The primary outcome was severity of AD, assessed using the SCORAD index. A secondary outcome measure was intestinal microbiota composition.

Results There was no difference in SCORAD score improvement between the synbiotic and the placebo group. The synbiotic group did have a significantly higher percentage of bifidobacteria (54.7% vs. 30.1%, P<0.001) and significantly lower percentages of Clostridium lituseburense/Clostridium histolyticum (0.5 vs. 1.8, P=0.02) and Eubacterium rectale/Clostridium coccoides (7.5 vs. 38.1, P<0.001) after intervention than the placebo group. In the subgroup of infants with IgE-associated AD (n=48), SCORAD score improvement was significantly greater in the synbiotic than in the placebo group at week 12 (−18.1 vs. −13.5 points, P=0.04).

Conclusions This synbiotic mixture does not have a beneficial effect on AD severity in infants, although it does successfully modulate their intestinal microbiota. Further randomized-controlled trials should explore a possible beneficial effect in IgE-associated AD.

Cite this as: L. B. van der Aa, H. S. Heymans, W. M. van Aalderen, J. H. Sillevis Smitt, J. Knol, K. Ben Amor, D. A. Goossens, A. B. Sprikkelman and the Synbad Study Group, Clinical & Experimental Allergy, 2010 (40) 795–804.

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