A Multicentre, Placebo-controlled, Double-blind Study to Evaluate Efficacy and Safety of a Perennial Sublingual Specific Immunotherapy With a Liquid Formulation of an Extract of a Six Grass Pollen-mixture in Patients With Clinically Relevant Grass Pollen Sensitivity.
A Multicentre, Placebo-controlled, Double-blind Study to Evaluate Efficacy and Safety of a Perennial Sublingual Specific Immunotherapy With a Liquid Formulation of an Extract of a Six Grass Pollen-mixture in Patients With Clinically Relevant Grass Pollen Sensitivity.
The trial is performed to asses efficacy and safety of a sublingual extract of a six grass pollen mixture
Inclusion Criteria:
Rhinitis, Rhinoconjunctivitis, Positive Rast result to grass pollen, Positive skin prick test to grass pollen, Positive specific provocation to grass pollen,
Exclusion Criteria:
Serious chronic diseases, Other perennial allergies