4"S" - Seasonal Symptoms Suppression Study
Conditions
- Seasonal Allergic Rhinitis
Interventions
- DRUG: Xylometazoline - intranasal application
- DRUG: Azelastine - intranasal application
- DRUG: Mometasone furoate - intranasal application
- DRUG: Hydroxyl-propyl-methyl cellulose powder - intranasal application
- OTHER: Placebo - Lactose powder
- DRUG: Bilastine 20 mg
- DRUG: Prednisolone 5 mg
Sponsor
Association Asthma, Bulgaria
Collaborators