Clinical Trial to Evaluate the Effect of a Probiotic Mixture in the Treatment of Atopic Dermatitis in Children

  • participants needed
  • sponsor
    Bionou Research, S.L.
Updated on 17 September 2023
topical corticosteroid
topical agents


A prospective case-control multicentric pilot study of 12 weeks duration to evaluate the effect of a probiotic mixture in the treatment of atopic dermatitis in children from 0 to 3 years old, by measuring the severity of the condition using the SCORAD index, as well as the Clinical Global Impression rating scale, the potential decrease in the use of corticosteroids and antihistamines, and the safety of the treatment under study by the number of adverse events related to the product under study.


Atopic dermatitis is a chronic inflammatory disease of the skin, which first symptoms usually develop during childhood, and approximately 50% of cases are diagnosed in the first year of life.

The diagnosis of atopic dermatitis is clinical, because there are no specific microscopic or laboratory changes. One aspect of establishing the diagnosis is the measurement of the severity of the process in these patients. In this regard, one of the best validated methods, more contrasted, more accepted, used and most recommended is the composite scale called index SCORAD (Scoring Atopic Dermatitis). This index consists of a scoring system that takes into account the extent and intensity of five fundamental types of lesions (erythema, edema / papule, exudate / scab, excoriation and lichenification), as well as symptoms (pruritus and loss of sleep) they provoke.

The use of probiotics in the treatment of Atopic Dermatitis has been studied in recent years in a limited number of pilot studies with variable results depending on the probiotic used and the age of the patients included in the study. Recent studies, including a meta-analysis of previous publications, demonstrate a beneficial effect of the use of probiotics in certain circumstances related to age, the type of probiotic used, the dose and combination of probiotics.

In our previous study, the efficacy and safety of the probiotic were demonstrated. The objective of this study is to confirm whether the treatment improves the evolution of the SCORAD index (difference between the values of the first visit and the final one) in children under 4 years of age, comparing the mean of this value in the probiotic group with the control group. For this, a similar methodology will be applied and the same mixture of strains will be used as in the previous study.

Generally speaking, the goals of treatment of atopic dermatitis are to prevent itching, remove exudate, cure the infection, remove the inflammatory lesion, and prevent relapses. To eliminate itching, and the scratching caused by it, recently developed antihistamines are usually used from the acute phase, since the classic ones can present adverse effects on the central nervous system (CNS) that interfere with daily activities. In other hand, in the flare fase or acute exacerbation of atopic dermatitis, topical corticosteroids are used daily, and during the remission phase, weekly regimens can be used.

The main and secondary objectives of this study, aimed to asses the effect of a probiotic mixture in atopic dermatitis are :


Determine if the product under study has an effect on the evolution and treatment of atopic dermatitis, defined as a decrease in the SCORAD index score.


Determine whether the product under study causes a decrease in the use of topical corticosteroids.

Study if the product under study has an effect on the evolution of the Clinical Global Impression (CGI).

Check if the treatment under study reduces the need to use antihistamines. Evaluate the rate of compliance with the treatment during the development of the study.

Study the safety of the treatment under study, defined as the number of adverse events related to the product under study, referred by the patient that occur during the development of the study.

Condition Atopic Dermatitis
Treatment Probiotic mixture with three bacterial strains with maltodextrin as a carrier., Placebo comparator with maltodextrin as a carrier.
Clinical Study IdentifierNCT05443490
SponsorBionou Research, S.L.
Last Modified on17 September 2023

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