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Allergic diseases are currently one of the most important problem in medicine. Research confirms that probiotics administered during the formation of the intestinal ecosystem and the maturation of the immune system can positively influence the development of antiallergic mechanisms. The aim of the present randomized, double-blind, placebo controlled study was to evaluate the efficacy of the mixture of probiotic Lactobacillus rhamnosus ŁOCK 0900, Lactobacillus rhamnosus ŁOCK 0908, and Lactobacillus casei ŁOCK 0919 in children up to the age 2 with atopic dermatitis and food allergy to cow's milk proteins. Children received the mixture of Lactobacillus strains for 3 months every day in the daily dose of a billion bacteria or a placebo (maltodextrin). Primary outcomes included the effects of probiotic treatment on the severity of symptoms assessed with SCORing atopic dermatitis (SCORAD) index. Secondary endpoints included assessment of total IgE and selected cytokine levels. Cytokines were evaluated in supernatants obtained from peripheral blood cultures of randomly selected 20 patients from each group. The primary and secondary outcomes were assessed at 3 time points: at baseline, after the finishing the administration of probiotic/placebo, and after 9 months of follow up.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Probiotic | Experimental | The mixture of 3 probiotic strains in the following proportions: 50% Lactobacillus casei ŁOCK 0919, 25% Lactobacillus rhamnosus ŁOCK 0908, 25% Lactobacillus rhamnosus ŁOCK 0900 (Latopic® preparation, Biomed S.A., Cracow, Poland). |
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| Maltodextrin | Placebo Comparator | Maltodextrin - a substance in which probiotic strains have been suspended. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Probiotic preparation | Dietary Supplement | The mixture of Lactobacillus rhamnosus ŁOCK 0900, Lactobacillus rhamnosus ŁOCK 0908 and Lactobacillus casei ŁOCK 0919 administered once a day at a dose of one billion for 3 months. |
| Measure | Description | Time Frame |
|---|---|---|
| Changes in severity of atopic dermatitis symptoms assessed with the use the SCORAD index | The SCORAD index consists of the interpretation of the extent of the disorder (A: according to the rule of nines; 20% of the score), the intensity composed of six items (B: erythema, oedema ⁄papules, effect of scratching, oozing ⁄crust formation, lichenification and dryness; 60% of the score; each item has four grades: 0,1, 2, 3) and subjective symptoms (C: itch, sleeplessness; 20% of the score). Both subjective items are graded on a 10-cm visual analogue scale. The SCORAD index formula is: A ⁄5 + 7B⁄2 + C. In this formula A is defined as the extent (0-100), B is defined as the intensity (0-18) and C is defined as the subjective symptoms (0-20). The maximum SCORAD score is 103. | From baseline at 3 months of intervention and 9 months of follow up |
| Changes in proportion of children with improvement or worsening of atopic dermatitis symptoms | Atopic dermatitis symptoms were assessed with the use of the SCORAD index. It was assumed that a drop >30% in the SCORAD index compared with baseline was associated with a clinically meaningful improvement. A drop<30% was associated with worsening. | From baseline at 3 months of intervention and 9 months of follow up |
| Measure | Description | Time Frame |
|---|---|---|
| Changes in the level of total IgE | Total IgE level was measured using the ImmunoCap system according manufacturer's instruction. | From baseline at 3 months of intervention and 9 months of follow up |
| Changes in the level of selected cytokines |
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Inclusion Criteria:
Exclusion Criteria:
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| The Children's Memorial Health Institute | Warsaw | 04-730 | Poland |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 33916192 | Derived | Cukrowska B, Ceregra A, Maciorkowska E, Surowska B, Zegadlo-Mylik MA, Konopka E, Trojanowska I, Zakrzewska M, Bierla JB, Zakrzewski M, Kanarek E, Motyl I. The Effectiveness of Probiotic Lactobacillus rhamnosus and Lactobacillus casei Strains in Children with Atopic Dermatitis and Cow's Milk Protein Allergy: A Multicenter, Randomized, Double Blind, Placebo Controlled Study. Nutrients. 2021 Apr 1;13(4):1169. doi: 10.3390/nu13041169. |
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| ID | Term |
|---|---|
| D003876 | Dermatitis, Atopic |
| D005512 | Food Hypersensitivity |
| ID | Term |
|---|---|
| D012873 | Skin Diseases, Genetic |
| D030342 | Genetic Diseases, Inborn |
| D009358 | Congenital, Hereditary, and Neonatal Diseases and Abnormalities |
| D003872 | Dermatitis |
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| ID | Term |
|---|---|
| C008315 | maltodextrin |
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| Maltodextrin | Dietary Supplement | Maltodextrin comparable in color, texture and taste to the probiotic mixture administered once a day for 3 months. |
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The level of proinflammatory Th1 cytokines (e.g. interferon-gamma, interleukin-12), regulatory cytokines (e.g. intreleukin-10) or proallergic Th2 cytokines (e.g. interleukin-5) were measured in the supernatants obtained from the peripheral blood cultures with the use of ELISA techniques.
| From baseline at 3 months of intervention and 9 months of follow up |
| D012871 | Skin Diseases |
| D017437 | Skin and Connective Tissue Diseases |
| D017443 | Skin Diseases, Eczematous |
| D006969 | Hypersensitivity, Immediate |
| D006967 | Hypersensitivity |
| D007154 | Immune System Diseases |