The Effects of Desloratadine and Levocetirizine on Nasal Obstruction in Subjects With Induced Allergic Rhinitis in the VCC Assessed Clinically and With Nasal Rhinomanometry and Nasal Flowmetry
Abstract
This was a study to measure the ability of desloratadine and levocetirizine to decrease nasal obstruction in subjects who had study-induced allergic rhinitis. Study participants had allergic rhinitis symptoms induced in a Vienna Challenge Chamber and then received desloratadine or levocetirizine for 8 days. After at least a 10 to 35-day washout period (time when no drug is given), subjects received the opposite treatment for 8 days. Subjects had their total nasal symptom measured.on the 8th day of each treatment period.
Conditions: Allergic Rhinitis.
Primary outcome: Change in Total Nasal Symptom Score (TNSS) at the end of treatment phase compared to pre-exposure baseline scores.
Enrollment: 81 participants.
How strong is the evidence?
Evidence Hub reads this as a clinical trial, done in people. Its evidence level is 3 of 5 (Moderate · trial / cohort / secondary analysis). Trials without a large randomized design, cohorts and secondary analyses give moderate evidence. Reported size: 81 participants or records.
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