# Combination Study Of S-555739/Cetirizine HCl In Adult Patients With Seasonal Allergic Rhinitis

> **NCT01651871** · PHASE2 · COMPLETED · sponsor: **Shionogi** · enrollment: 779 (actual)

## Conditions studied

- Seasonal Allergic Rhinitis

## Interventions

- **DRUG:** S-555739 Dose 1
- **DRUG:** S-555739 Dose 2
- **DRUG:** Cetirizine HCl Dose 1
- **DRUG:** S-555739 placebo
- **DRUG:** Cetirizine HCl placebo

## Key facts

- **NCT ID:** NCT01651871
- **Lead sponsor:** Shionogi
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2012-07
- **Primary completion:** 2012-11
- **Final completion:** 2013-05
- **Target enrollment:** 779 (ACTUAL)
- **Last updated:** 2018-04-27


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01651871

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01651871, "Combination Study Of S-555739/Cetirizine HCl In Adult Patients With Seasonal Allergic Rhinitis". Retrieved via AI Analytics 2026-07-09 from https://api.ai-analytics.org/clinical/NCT01651871. Licensed CC0.

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