# Levocetirizine Effect on Nasal Nitric Oxide and Nasal Eosinophils in Subjects With Perennial Allergic Rhinitis

> **NCT00894231** · PHASE4 · COMPLETED · sponsor: **AAADRS Clinical Research Center** · enrollment: 30 (estimated)

## Conditions studied

- Perennial Allergic Rhinitis

## Interventions

- **DRUG:** levocetirizine (Xyzal)
- **DRUG:** placebo

## Key facts

- **NCT ID:** NCT00894231
- **Lead sponsor:** AAADRS Clinical Research Center
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2009-01
- **Primary completion:** 2009-08
- **Final completion:** 2009-08
- **Target enrollment:** 30 (ESTIMATED)
- **Last updated:** 2009-09-04

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00894231

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00894231, "Levocetirizine Effect on Nasal Nitric Oxide and Nasal Eosinophils in Subjects With Perennial Allergic Rhinitis". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT00894231. Licensed CC0.

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