At a glance
ClinicalIndex Comparison RecordPhase 4Completed· 30 enrolled
Drug / intervention
Cetirizine +2 moredrug
Likely dose
Cetirizine 10 mgfrom record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.
Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.
Is Levocetirizine Less Sedating Than Cetirizine? A Randomized, Double-blind, Placebo Controlled Trial.
In Brief
A Phase 4 clinical trial evaluating Cetirizine, Levocetirizine, and 1 other intervention for Allergic Rhinitis. Completed, enrolled 30 participants across 1 site.
Detailed Summary
The purpose of this study is to determine whether cetirizine (zyrtec), levocetirizine (xyzal), and placebo differ in the degree of sedation they produce and their relief of allergy symptoms.
Study Details
Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
ConditionsAllergic Rhinitis
CountriesUnited States
Collaborators--
Timeline
Phase 4CompletedFinished
200920102011201220132014201520162017201820192020202120222023202420252026
Enrollment StartJan 2009
First PostedJan 2009
Primary CompletionMay 2009
TodayJul 2026
First PostedJan 22, 2009
Enrollment StartJan 1, 2009
Primary CompletionMay 1, 2009
TodayJul 2, 2026
Enrollment to primary: 4 monthsPosted 17.4 years ago
Interventions
Cetirizinedrug
Cetirizine 10 mg tab daily x 7 days
Levocetirizinedrug
5 mg tab daily x 7 days
Placebodrug
Placebo tablet daily x 7 days