CI

At a glance

ClinicalIndex Comparison Record
Phase 3Completed· 95 enrolled
Drug / intervention
Fexofenadine +1 moredrug
Likely dose
Not stated in 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.

Search/NCT05692154
NCT05692154Phase 3Completed

A Phase IIIb, Single-center, Double-blind, Two-arms, Placebo-controlled, Randomized, Parallel-group Clinical Trial to Evaluate the Efficacy and Safety of 2-day Pre-treatment With Fexofenadine in Patients Suffering From Seasonal Allergic Rhinitis

Opella Healthcare Group SAS, a Sanofi Company·interventional·Posted Jan 20, 2023·Updated Sep 9, 2025

In Brief

A Phase 3 clinical trial evaluating Fexofenadine and Placebo for Seasonal Allergic Rhinitis. Completed, enrolled 95 participants across 1 site.

Detailed Summary

This study is a proof-of-concept study to demonstrate if a daily dose of a 2-days pre-treatment of Fexofenadine 180mg is effective in alleviating the AR symptoms and to assess the additional benefit to the patient in terms of preventing Allergic Rhinitis (AR) symptoms. The total study duration per participant is expected at least 4 months, depending on the timing of the screening visit. 5 visits are planned, screening, confirmation inclusion challenge, randomization visit, challenge and end of study visit.

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
CountriesCanada
Collaborators--

Timeline

Phase 3CompletedFinished
2023202420252026
First PostedJan 20, 2023
Enrollment StartJan 23, 2023
Primary CompletionMar 14, 2023
TodayJul 2, 2026
Enrollment to primary: 2 monthsPosted 3.4 years ago

Interventions

Fexofenadinedrug

Fexofenadine oral tablet

Placebodrug

Fexofenadine matching placebo oral tablet