# Comparability and Standardization of Controlled Allergen Challenge Facilities

> **NCT02543346** · PHASE4 · COMPLETED · sponsor: **Queen's University** · enrollment: 98 (actual)

## Conditions studied

- Allergic Rhinitis

## Interventions

- **DRUG:** Cetirizine
- **OTHER:** Placebo

## Key facts

- **NCT ID:** NCT02543346
- **Lead sponsor:** Queen's University
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2015-10
- **Primary completion:** 2016-02
- **Final completion:** 2016-05
- **Target enrollment:** 98 (ACTUAL)
- **Last updated:** 2019-04-09

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT02543346

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT02543346, "Comparability and Standardization of Controlled Allergen Challenge Facilities". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT02543346. Licensed CC0.

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