Safety and Efficacy of a Sublingual Specific Immunotherapy With an Extract of a Six Grass Pollen Mixture

Solution for sublingual application containing allergen extracts of 6 grass pollen species (Holcus lanatus, Dactylus glomerata, Lolium perenne, Phleum pratense, Poa pratensis, Festuca pratensis) pollen allergen extract. The study solution was applied sublingually, kept under the tongue for 3 minutes, and swallowed thereafter.

Solution for sublingual application containing Placebo. The study solution was applied sublingually, kept under the tongue for 3 minutes, and swallowed thereafter.