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Evaluation of the Efficacy of Topical Ophthalmic Steroids in a Modified Conjunctival Allergen Challenge Model
This study is ongoing, but not recruiting participants.
Sponsored by: Ophthalmic Research Associates
Information provided by: Ophthalmic Research Associates
ClinicalTrials.gov Identifier: NCT00689078
  Purpose

The purpose of the study is to determine whether prednisolone acetate 1% ophthalmic suspension is effective in preventing signs and symptoms of allergic conjunctivitis in comparison with prednisolone acetate 0.12% ophthalmic suspension, loteprednol etabonate 0.2% ophthalmic suspension and placebo in a modified conjunctival allergen challenge (CAC) model.


Condition Intervention Phase
Allergic Conjunctivitis
Drug: Prednisolone Acetate 1%
Drug: Prednisolone Acetate 0.12%
Drug: Loteprednol Etabonate 0.2%
Drug: Artificial tears
Phase IV

Drug Information available for: Prednisolone 6-Methylprednisolone Depo-medrol Medrol veriderm Methylprednisolone Methylprednisolone hemisuccinate Methylprednisolone Sodium Succinate Prednisolone acetate Prednisolone sodium phosphate Prednisolone Sodium Succinate Loteprednol Loteprednol etabonate 16-Methyleneprednisolone
U.S. FDA Resources
Study Type: Interventional
Study Design: Treatment, Randomized, Double Blind (Subject, Investigator), Placebo Control, Parallel Assignment, Efficacy Study
Official Title: A Single-Center, Randomized, Double-Masked Evaluation of the Efficacy of Prednisolone Acetate 1% Ophthalmic Suspension Compared to Prednisolone Acetate 0.12% Ophthalmic Suspension, Loteprednol Etabonate 0.2% Ophthalmic Suspension, and Placebo in a Modified Conjunctival Allergen Challenge (CAC) Model

Further study details as provided by Ophthalmic Research Associates:

Primary Outcome Measures:
  • Ocular itching and conjunctival redness [ Time Frame: minutes post challenge ] [ Designated as safety issue: No ]

Secondary Outcome Measures:
  • Chemosis [ Time Frame: minutes post-challenge ] [ Designated as safety issue: No ]
  • Lid swelling [ Time Frame: minutes post challenge ] [ Designated as safety issue: No ]
  • Ciliary redness [ Time Frame: minutes post challenge ] [ Designated as safety issue: No ]
  • Episcleral redness [ Time Frame: minutes post challenge ] [ Designated as safety issue: No ]

Enrollment: 36
Study Start Date: May 2008
Estimated Study Completion Date: June 2008
Estimated Primary Completion Date: June 2008 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
1: Active Comparator
Prednisolone acetate 1%
Drug: Prednisolone Acetate 1%
One drop OU
2: Active Comparator
Prednisolone acetate 0.12%
Drug: Prednisolone Acetate 0.12%
One drop OU
3: Active Comparator
Loteprednol Etabonate 0.2%
Drug: Loteprednol Etabonate 0.2%
One drop OU
4: Placebo Comparator
Placebo
Drug: Artificial tears
One drop OU

  Eligibility

Ages Eligible for Study:   18 Years and older
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   No
Criteria

Inclusion Criteria:

  • At least 18 years of age & either sex, any race
  • Willing and able to follow all instructions
  • Positive history of ocular allergies
  • Reproducible positive ocular allergic reaction induced by conjunctival allergen challenge

Exclusion Criteria:

  • Have planned surgery during trial period
  • Female currently pregnant, planning a pregnancy or lactating
  • Use of disallowed medications
  • Have ocular infections, or ocular conditions that could affect study parameters
  • Have moderate to severe dry eye
  • Have used an investigational drug or device within 30 days of start of study
  • Female that is currently pregnant, planning a pregnancy or lactating
  Contacts and Locations
Please refer to this study by its ClinicalTrials.gov identifier: NCT00689078

Locations
United States, Massachusetts
Ophthalmic Research Associates
North Andover, Massachusetts, United States, 01845
Sponsors and Collaborators
Ophthalmic Research Associates
Investigators
Principal Investigator: Gail L Torkildsen, MD Massachusetts Medical Society, Alpha Omega Honor Society, American board of Ophthalmology
  More Information

Responsible Party: Ophthalmic Research Associates ( Paul Gomes )
Study ID Numbers: 08-003-05
Study First Received: May 30, 2008
Last Updated: May 30, 2008
ClinicalTrials.gov Identifier: NCT00689078  
Health Authority: United States: Institutional Review Board

Keywords provided by Ophthalmic Research Associates:
Allergic conjunctivitis

Study placed in the following topic categories:
Hypersensitivity
Conjunctivitis, Allergic
Methylprednisolone
Eye Diseases
Prednisolone
Hypersensitivity, Immediate
Methylprednisolone acetate
Prednisolone acetate
Conjunctivitis
Loteprednol etabonate
Conjunctival Diseases
Methylprednisolone Hemisuccinate

Additional relevant MeSH terms:
Anti-Inflammatory Agents
Immune System Diseases
Antineoplastic Agents, Hormonal
Antineoplastic Agents
Physiological Effects of Drugs
Gastrointestinal Agents
Hormones, Hormone Substitutes, and Hormone Antagonists
Antiemetics
Anti-Allergic Agents
Protective Agents
Neuroprotective Agents
Glucocorticoids
Hormones
Pharmacologic Actions
Autonomic Agents
Therapeutic Uses
Peripheral Nervous System Agents
Central Nervous System Agents

ClinicalTrials.gov processed this record on January 16, 2009