Abstract Title:

Bacillus clausii exerts immuno-modulatory activity in allergic subjects: a pilot study.

Abstract Source:

Eur Ann Allergy Clin Immunol. 2005 Apr ;37(4):129-34. PMID: 15916013

Abstract Author(s):

Giorgio Ciprandi, Andrea Vizzaccaro, Ignazio Cirillo, Maria Angela Tosca

Article Affiliation:

Giorgio Ciprandi


UNLABELLED: Bacillus clausii has been demonstrated to exert some immunomodulatory activities and to be safe. Allergic subjetcs show Th2 polarization and defect of T regulatory cells. Aim of the study was to investigate whether Bacillus clausii administration in allergic subjects might modulate cytokine pattern. Ten subjects (mean age 22.3 years) suffering from allergic rhinitis were enrolled. Bacillus clausii spores (Enterogermina: 2 billions spores/vial) were administered at the dosage schedule of 3 vials a day for 4 weeks. Nasal lavage was performed in all subjects before and after the treatment. A panel of cytokines, including IL4, IL10, IFNgamma, and TGFbeta, was measured by immunoassay in the fluid recovered from nasal lavage, before and after the treatment.

RESULTS: Bacillus clausii treatment showed a significant decrease of IL4 levels (p=0.004) and a significant increase of IFNgamma (p=0.038), TGFbeta (p=0.039), and IL10 (p=0.009) levels. In conclusion, this study shows that the Bacillus clausii may exert immuno-modulating activity by affecting cytokine pattern in allergic subjects and confirms previous study conducted in allergic children.

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