# Preference for Clarinex Tablets vs. Allegra Tablets in Patients With Seasonal Allergies (Study P03177)

> **NCT00783133** · PHASE4 · COMPLETED · sponsor: **Organon and Co** · enrollment: 131 (actual)

## Conditions studied

- Seasonal Allergic Rhinitis

## Interventions

- **DRUG:** Desloratadine 5 mg
- **DRUG:** fexofenadine

## Key facts

- **NCT ID:** NCT00783133
- **Lead sponsor:** Organon and Co
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2002-11-01
- **Primary completion:** 2003-06-01
- **Final completion:** 2003-06-01
- **Target enrollment:** 131 (ACTUAL)
- **Last updated:** 2024-08-15


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00783133

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00783133, "Preference for Clarinex Tablets vs. Allegra Tablets in Patients With Seasonal Allergies (Study P03177)". Retrieved via AI Analytics 2026-06-04 from https://api.ai-analytics.org/clinical/NCT00783133. Licensed CC0.

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