Clinical study of Lactobacillus strain (KW3110) for patients with Japanese cedar pollinosis

INTERVENTION: It is given the test capsule (50 mg of Lactobacillus strain (KW3110): 1 capsule per day) for 6 months before the beginning of pollen. It is given the placebo capsule (50 mg of placebo: 1 capsule per day) for 6 months before the beginning of pollen. CONDITION: Japanese cedar pollinosis PRIMARY OUTCOME: Symptom‐medication score SECONDARY OUTCOME: Local findings in rhinoscope, Serum anti‐Japanese cedar pollen specific IgE antibody, Serum ECP level, Lymphocyte Subsets of Peripheral Blood Mononuclear Cell (Immunophenotyping) INCLUSION CRITERIA: 1) CAP‐RAST against JCP >= class 2, 2) Clinical history of the Japanese cedar pollenosis