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

This study has been completed.
Information provided by:
Vistakon Pharmaceuticals
ClinicalTrials.gov Identifier:
First received: February 4, 2007
Last updated: April 8, 2009
Last verified: April 2009
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

Condition Intervention Phase
Allergic Conjunctivitis
Drug: Ketotifen with a Contact Lens (generic name not yet established)
Phase 3

Study Type: Interventional
Study Design: Allocation: Randomized
Endpoint Classification: Safety/Efficacy Study
Intervention Model: Parallel Assignment
Masking: Double-Blind
Primary Purpose: Treatment
Official Title: 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

Resource links provided by NLM:

Further study details as provided by Vistakon Pharmaceuticals:

Primary Outcome Measures:
  • Ocular itching

Secondary Outcome Measures:
  • Conjunctival, ciliary, and episcleral redness; chemosis and mucous discharge; tearing and lid swelling

Estimated Enrollment: 120
Study Start Date: January 2007
Study Completion Date: March 2007

Ages Eligible for Study:   8 Years and older
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • history of ocular allergies and a positive skin test reaction to cat hair, cat dander, grasses, ragweed, and/or trees within 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 syndrome; ocular surgery within past 6 months; pregnancy or lactation
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its ClinicalTrials.gov identifier: NCT00432757

United States, California
Los Angeles, California, United States
United States, North Carolina
Charlotte, North Carolina, United States
United States, Tennessee
Memphis, Tennessee, United States
Sponsors and Collaborators
Vistakon Pharmaceuticals
Study Director: Brian Pall, OD, MS, FAAO Vistakon Pharmaceuticals
  More Information

ClinicalTrials.gov Identifier: NCT00432757     History of Changes
Other Study ID Numbers: 06-003-15 
Study First Received: February 4, 2007
Last Updated: April 8, 2009
Health Authority: United States: Food and Drug Administration

Keywords provided by Vistakon Pharmaceuticals:
allergic conjunctivitis, ophthalmology, multicenter, controlled

Additional relevant MeSH terms:
Conjunctivitis, Allergic
Conjunctival Diseases
Eye Diseases
Hypersensitivity, Immediate
Immune System Diseases
Anti-Allergic Agents

ClinicalTrials.gov processed this record on May 26, 2016