Efficacy-safety Study of Sublingual Immunotherapy With Depigmented-polymerized Pollen Extracts to Treat Rhinoconjunctivitis
Conditions
- Allergic Rhinoconjunctivitis
Interventions
- BIOLOGICAL: Grass pollen allergenic extract (L. perenne-C. dactylon )
- BIOLOGICAL: Grass pollen allergenic extract (L. perenne-C. dactylon )
- BIOLOGICAL: placebo
Sponsor
Laboratorios Leti, S.L.