Efficacy of Fermented Rice Flour for the Treatment of Atopic Dermatitis: Randomized, Double-blind Controlled Trial

U

University of Milan

Status

Unknown

Conditions

Dermatitis, Atopic
Child
Infant

Treatments

Dietary Supplement: Maltodextrins
Dietary Supplement: Fermented rice

Study type

Interventional

Funder types

Other

Identifiers

NCT03042624
FERCT16

Details and patient eligibility

About

This trial aims at evaluating the efficacy of a fermented rice flour for the treatment of atopic dermatitis (AD). The fermented rice flour, obtained from Lactobacillus paracasei CBA L74 (Heinz Italia SpA, Latina, Italy), does not contain live bacteria. Lactobacillus paracasei CBA L74 belongs to the list of microorganisms with qualified presumption of safety compiled by the European Food Safety Authority (EFSA), is tested for the absence of antibiotic resistance genes in accordance with EFSA, and is genetically characterized by repetitive extragenic palindromic polymerase chain reaction. Using a repeated-measure cohort design, the investigators have recently shown that the administration of a fermented-rice flour obtained from Lactobacillus paracasei CBA L74 was associated with a decrease of the score for atopic dermatitis (SCORAD) in children with AD. The present randomized, double-blind, controlled trial is aimed at testing whether the fermented rice flour obtained from Lactobacillus paracasei CBA L74 is effective in reducing SCORAD in children with moderate to severe AD using placebo as comparator.

Full description

Atopic dermatitis (AD), an itchy eczema with a chronic relapsing course, is the most common clinical manifestation of atopy in the first years of life. On the basis of the available knowledge, AD is produced by an alteration of the skin barrier which triggers an inflammatory reaction. Such reaction is characterized by an early phase with abundance of Th2 cytokines (IL-4, IL-5) and eosinophils and by a later phase with predominance of Th1 cytokines (IL-2, IL-12 and IFN-gamma). Emollients, possibly supplemented with ceramides, represent the first step of the treatment of AD. Corticosteroids are the most effective topical drugs. The use of topical immune-modulators (tacrolimus and pimecrolimus) offers an alternative to steroid therapy for long-term treatments. Severe cases require systemic therapy with steroids and cyclosporine and phototherapy with narrowband ultraviolet (UVB) and psoralen-ultraviolet A (PUVA) phototherapy. The use of probiotics for the treatment of AD has attracted much interest in recent years but the available data are not conclusive. Probiotic-like effects can be obtained from inactivated bacteria or isolated bacterial components so that an extensive definition of probiotics has been proposed as bacterial cells or bacterial components that have a beneficial impact on the health and well-being of guests. Using a repeated-measure cohort design, the investigators have recently shown that the administration of the fermented-rice flour obtained from Lactobacillus paracasei CBA L74 was associated with a decrease of SCORAD (score for atopic dermatitis) in children with AD. SCORAD is the most commonly employed indicator of AD activity and its minimal clinically important difference is known, making it a suitable metric for clinical trials. The fermented rice flour, obtained from Lactobacillus paracasei CBA L74 (Heinz Italia SpA, Latina, Italy), does not contain live bacteria. Lactobacillus paracasei CBA L74 belongs to the list of microorganisms with qualified presumption of safety compiled by the European Food Safety Authority (EFSA), is tested for the absence of antibiotic resistance genes in accordance with EFSA, and is genetically characterized by repetitive extragenic palindromic polymerase chain reaction. Pre-clinical studies have shown anti-inflammatory effects of matrices fermented with Lactobacillus paracasei CBA-L74 in terms of production of IL-10 and reduction of IL-12 in response to bacterial stimulation. Such pre-clinical data were obtained on dendritic cells, on intestinal biopsies and on murine models. The present randomized, double-blind, controlled trial is aimed at testing whether the fermented rice flour obtained from Lactobacillus paracasei CBA L74 is effective in reducing SCORAD in children with moderate to severe AD using placebo as comparator.

Enrollment

50 estimated patients

Sex

All

Ages

6 to 36 months old

Volunteers

No Healthy Volunteers

Inclusion criteria

diagnosis of moderate or sever atopic dermatitis using SCORAD

Exclusion criteria

  • acute rhino-conjunctivitis
  • acute asthma
  • autoimmune disease
  • chronic obstructive pulmonary disease
  • heart disease
  • renal disease
  • treatment with prebiotics 1 month before the enrolment
  • treatment with probiotics 1 month before the enrolment
  • treatment with antibiotics (undergoing)
  • treatment with systemic immune-modulators 1 month before the enrolment
  • treatment with local immune-modulators 1 month before the enrolment
  • acute or chronic infectious disease
  • known hypersensitivity to components of fermented rice flour

Trial design

50 participants in 2 patient groups, including a placebo group

Fermented rice
Experimental group
Description:
7 g of fermented rice flour powder obtained from Lactobacillus paracasei CBA L74 to be diluted in milk or water
Treatment:
Dietary Supplement: Fermented rice
Maltodextrins
Placebo Comparator group
Description:
7 g of maltodextrins powder to be diluted in milk or water
Treatment:
Dietary Supplement: Maltodextrins

Trial contacts and locations

0

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Central trial contact

Enza Carmina D'Auria, MD, PhD

Data sourced from clinicaltrials.gov

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