# A Study to Evaluate the Safety and Effectiveness of a Nasal Spray to Treat Perennial Allergies

> **NCT00712920** · PHASE3 · COMPLETED · sponsor: **Meda Pharmaceuticals** · enrollment: 581 (actual)

## Conditions studied

- Perennial Allergic Rhinitis

## Interventions

- **DRUG:** 0.15% azelastine hydrochloride
- **DRUG:** 0.1% azelastine hydrochloride
- **DRUG:** Placebo

## Key facts

- **NCT ID:** NCT00712920
- **Lead sponsor:** Meda Pharmaceuticals
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2007-01
- **Primary completion:** 2008-05
- **Final completion:** —
- **Target enrollment:** 581 (ACTUAL)
- **Last updated:** 2011-06-08


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00712920

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00712920, "A Study to Evaluate the Safety and Effectiveness of a Nasal Spray to Treat Perennial Allergies". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT00712920. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*
