# Study of Olopatadine HCl Ophthalmic Solutions Compared to Vehicle Using the Conjunctival Allergen Challenge (CAC) Model of Acute Allergic Conjunctivitis in Japanese Subjects

> **NCT00987272** · PHASE3 · COMPLETED · sponsor: **Alcon Research** · enrollment: 267 (actual)

## Conditions studied

- Allergic Conjunctivitis

## Interventions

- **DRUG:** Olopatadine Hydrochloride Ophthalmic Solution, 0.2%
- **DRUG:** Olopatadine Hydrochloride Ophthalmic Solution, 0.1%
- **DRUG:** Olopatadine 0.2% Vehicle
- **DRUG:** Olopatadine 0.1% Vehicle

## Key facts

- **NCT ID:** NCT00987272
- **Lead sponsor:** Alcon Research
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2009-10
- **Primary completion:** 2009-11
- **Final completion:** 2009-11
- **Target enrollment:** 267 (ACTUAL)
- **Last updated:** 2014-07-31


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00987272

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00987272, "Study of Olopatadine HCl Ophthalmic Solutions Compared to Vehicle Using the Conjunctival Allergen Challenge (CAC) Model of Acute Allergic Conjunctivitis in Japanese Subjects". Retrieved via AI Analytics 2026-07-07 from https://api.ai-analytics.org/clinical/NCT00987272. Licensed CC0.

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