Evaluation of Efficacy and Safety of an Anti-Allergy Drug With a Contact Lens in the Treatment of Allergic Conjunctivitis

A Multi-Center, Randomized, Double-Masked, Placebo-Controlled Evaluation of the Efficacy and Safety of an Anti-Allergy Drug With a Contact Lens as Compared to Placebo in the Prevention of Allergic Conjunctivitis in a Population of Allergic Contact Lens Wearers

Status

Completed

Phases

Phase 3

Study type

Interventional

Source

ClinicalTrials.gov

Registry ID

NCT00445874

Enrollment

120

Registered

2007-03-09

Start date

2007-02-28

Completion date

2007-05-31

Last updated

2009-04-09

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Allergic Conjunctivitis

Keywords

allergic conjunctivitis, ophthalmology, multicenter, controlled

Brief summary

The purpose of this study is to evaluate the efficacy and safety of an anti-allergy drug with a contact lens compared to placebo in preventing ocular itching associated with allergic conjunctivitis

Interventions

DRUGKetotifen with a Contact Lens (no generic name)

Study design

Allocation

RANDOMIZED

Intervention model

PARALLEL

Masking

DOUBLE

Eligibility

Sex/Gender

ALL

Age

8 Years to No maximum

Healthy volunteers

Inclusion criteria

* History of ocular allergies and a positive skin test reaction to cat hair, cat dander, grasses, ragweed, and/or trees withing the past 24 months * Successful soft contact lens wearer who has frequently worn contact lenses for at least one month or more

Exclusion criteria

* Active ocular infection * Clinically significant blepharitis * Follicular conjunctivitis * Pterygium * Narrow angle glaucoma * Dry eye dyndrome * Ocular surgery within past 6 months * Pregnancy or lactation

Design outcomes

Primary

Measure	Time frame
Ocular itching	—

Secondary

Measure	Time frame
Conjunctival, ciliary, and episcieral redness; chemosis and mucous discharge; tearing and lid swelling	—

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026