# Montelukast in Perennial Allergic Rhinitis - 2001-2002 Study (0476-246)

> **NCT00974571** · PHASE3 · COMPLETED · sponsor: **Organon and Co** · enrollment: 1365 (actual)

## Conditions studied

- Perennial Allergic Rhinitis

## Interventions

- **DRUG:** montelukast sodium
- **DRUG:** Comparator: cetirizine
- **DRUG:** Comparator: placebo

## Key facts

- **NCT ID:** NCT00974571
- **Lead sponsor:** Organon and Co
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2001-11
- **Primary completion:** 2002-05
- **Final completion:** 2002-05
- **Target enrollment:** 1365 (ACTUAL)
- **Last updated:** 2022-02-03


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00974571

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00974571, "Montelukast in Perennial Allergic Rhinitis - 2001-2002 Study (0476-246)". Retrieved via AI Analytics 2026-06-16 from https://api.ai-analytics.org/clinical/NCT00974571. Licensed CC0.

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