Overview Evaluation of Efficacy and Safety of Levocetirizine to Subjects With Perennial Allergic Rhinitis to House Dust Mites Status: Completed Trial end date: 2003-05-01 Target enrollment: Participant gender: Summary Evaluation of Efficacy and Safety of Levocetirizine to Subjects With Perennial Allergic Rhinitis to House Dust Mites Phase: Phase 4 Details Lead Sponsor: UCB PharmaTreatments: CetirizineLevocetirizine