- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05692154
A Placebo-controlled Study of 2-day Pre-treatment With Fexofenadine in Seasonal Allergic Rhinitis (FEXPRESAR)
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
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 Overview
Status
Conditions
Intervention / Treatment
Detailed Description
The end of the study is defined as the date of the last visit of the last participant in the study.
A participant is considered to have completed the study if he/she has completed all visits of the study including Visit 5 (Day 5).
Study Type
Enrollment (Actual)
Phase
- Phase 3
Contacts and Locations
Study Locations
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Ontario
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Kingston, Ontario, Canada, K7L 2V7
- Investigational Site Number : 1240001
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Participants are eligible to be included in the study only if all of the following criteria apply:
- Participant is willing to provide written informed consent.
- Adult participants (18 to 80 years old) suffering from SAR provoked by Ragweed pollen.
- Participants having a TNSS-3 ≥4 (with 3 nasal symptoms) at first pollen challenge at Visit 2.
- Having a 2-year history of SAR with Positive skin prick test to Ragweed allergen at screening (with a wheal diameter at least 3 mm larger than that produced by the negative control).
Exclusion Criteria:
- History of anaphylaxis to Ragweed pollen History of asthma or exacerbations in the past 12 months requiring regular inhaled corticosteroids for greater than 4 weeks per year, any oral corticosteroid usage, any emergency department visit for asthma or any asthma-related hospitalization. Mild asthmatics treated only with pro re nata short-acting β2agonists, less than 2 doses per week can be enrolled.
- History of chronic sinusitis, defined as a sinus symptoms lasting greater than 12 weeks that includes 2 or more major factors or 1 major factor and 2 minor factors. Major factors are defined as facial pain or pressure, nasal obstruction or blockage, nasal discharge or purulence or discolored postnasal discharge, purulence in nasal cavity, or impaired or loss of smell. Minor factors are defined as headache, fever, halitosis, fatigue, dental pain, cough, and ear pain, pressure, or fullness.
- History of systemic disease affecting the immune system such as autoimmune diseases, immune complex disease, or immunodeficiency, where, in the opinion of the study physician, participation in the trial would pose a risk or significant effect on the immune system.
- Presence or history of drug hypersensitivity to fexofenadine and/or its excipients.
Participants unable to stop the following forbidden treatments/nutriments prior to pollen challenge:
- Antihistamines: within 3 days for first-generation antihistamines, within 2 days for second-generation antihistamines.
- Intranasal or inhaled corticosteroids: 7 days.
- Ocular, intranasal, or inhaled sodium cromoglycate: 14 days.
- High doses of systemic corticosteroids: 30 days.
- Leukotriene antagonists: 30 days.
- Intranasal or systemic decongestants: 3 days.
- Tricyclic antidepressants: 7 days.
- Any citrus fruits (grapefruit, orange, etc.) or their juices, as well as all fruit juices: 5 days.
- Aluminum-and-magnesium containing antacids: 7 days.
- Omalizumab/dupilumab: within 6 months
- Any contraindications to fexofenadine, according to the labeling.
- The above information is not intended to contain all considerations relevant to a potential participation in a clinical trial.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Quadruple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
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Experimental: Arm A (active-active)
Two days of pre-treatment with Fexofenadine, then Fexofenadine180 mg during the test pollen challenge.
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Fexofenadine oral tablet
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Experimental: Arm B (placebo-active)
Two days of pre-treatment with Placebo, then Fexofenadine180 during the test pollen challenge.
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Fexofenadine matching placebo oral tablet
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
AUC of the total nasal symptoms score (TNSS-3)
Time Frame: from 0 hour to 6 hours at day 4
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Area under the plasma concentration-time curve (AUC) of TNSS-3 The total nasal symptom score of 3 symptoms (TNSS-3: scale of each symptom is scored from 0 to 3): rhinorrhea, sneezing, and nasal itching scores.
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from 0 hour to 6 hours at day 4
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
AUC of total ocular symptoms score (TOSS) (0h-6h at day 4)
Time Frame: from 0 hour to 6 hours at day 4
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TOSS = Total Ocular Symptoms Score.
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from 0 hour to 6 hours at day 4
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AUC of total nasal symptoms score (TNSS-3) (0h-12h at day 4)
Time Frame: from 0 hour to 12 hours at day 4
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from 0 hour to 12 hours at day 4
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AUC of total ocular symptoms score (TOSS) (0h-12h at day 4)
Time Frame: from 0 hour to 12 hours at day 4
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from 0 hour to 12 hours at day 4
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AUC of total nasal symptoms score (TNSS-3) (Day 1 to day 4)
Time Frame: from randomization (day 1 ) to day 4
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from randomization (day 1 ) to day 4
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AUC of total ocular symptoms score (TOSS) (Day 1 to day 4)
Time Frame: from randomization (day 1) to day 4
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from randomization (day 1) to day 4
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Percentage of participants with Adverse Events
Time Frame: from screening to day 5
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from screening to day 5
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Collaborators and Investigators
Investigators
- Study Director: Clinical Sciences & Operations, Sanofi
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Estimated)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Infections
- Respiratory Tract Infections
- Respiratory Tract Diseases
- Immune System Diseases
- Hypersensitivity, Immediate
- Otorhinolaryngologic Diseases
- Respiratory Hypersensitivity
- Hypersensitivity
- Nose Diseases
- Rhinitis
- Rhinitis, Allergic
- Rhinitis, Allergic, Seasonal
- Physiological Effects of Drugs
- Neurotransmitter Agents
- Molecular Mechanisms of Pharmacological Action
- Anti-Allergic Agents
- Histamine H1 Antagonists
- Histamine Antagonists
- Histamine Agents
- Histamine H1 Antagonists, Non-Sedating
- Fexofenadine
Other Study ID Numbers
- LPS17180
- U1111-1278-3949 (Registry Identifier: ICTRP)
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
IPD Plan Description
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
product manufactured in and exported from the U.S.
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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