Evaluation of the Efficacy of Topical Ophthalmic Steroids in a Modified Conjunctival Allergen Challenge (CAC) Model

NCT ID: NCT00689078

Last Updated: 2020-09-02

Study Results

Results available

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE4

Total Enrollment

36 participants

Study Classification

INTERVENTIONAL

Study Start Date

2008-05-31

Study Completion Date

2008-06-30

Brief Summary

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To evaluate the efficacy of prednisolone acetate 1% ophthalmic suspension as compared to prednisolone acetate 0.12% ophthalmic suspension, loteprednol etabonate 0.2% ophthalmic suspension, and placebo (Tears Naturale® II) in the prevention of the signs and symptoms of allergic conjunctivitis. Comparisons will be made following 1 week of twice daily (BID) dosing and 1 week of four times daily (QID) dosing.

Detailed Description

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Structure:

Prospective, single center, randomized, double-masked, parallel treatment comparison study. Subjects will be randomized to one of the following treatment arms to be dosed bilaterally twice daily (BID) for the first dosing period and four times daily (QID) for the second dosing period:

1. Prednisolone Acetate 1% ophthalmic suspension
2. Prednisolone Acetate 0.12% ophthalmic suspension
3. Loteprednol Etabonate 0.2% ophthalmic suspension
4. Tears Naturale® II

Duration:

Approximately four (4) weeks

Controls:

Artificial Tears (Tears Naturale® II)

Conditions

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Allergic Conjunctivitis

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

DOUBLE

Participants Investigators

Study Groups

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Pred acetate 1%

Prednisolone acetate 1.0% in each eye BID starting at Visit 2 (Day 0) for 6 days. Then in each eye QID starting the day after Visit 5 (Day 21) for 6 days.

Group Type ACTIVE_COMPARATOR

Prednisolone Acetate 1%

Intervention Type DRUG

One drop in both eyes (OU) BID starting at Visit 2 (Day 0) for 6 days. Then in each eye QID starting the day after Visit 5 (Day 21) for 6 days.

Pred acetate .12%

Prednisolone acetate 0.12% in each eye BID starting at Visit 2 (Day 0) for 6 days. Then in each eye QID starting the day after Visit 5 (Day 21) for 6 days.

Group Type ACTIVE_COMPARATOR

Prednisolone Acetate 0.12%

Intervention Type DRUG

One drop in both eyes (OU) BID starting at Visit 2 (Day 0) for 6 days. Then in each eye QID starting the day after Visit 5 (Day 21) for 6 days.

Lot Etab 0.2%

Loteprednol Etabonate 0.2% in each eye BID starting at Visit 2 (Day 0) for 6 days. Then in each eye QID starting the day after Visit 5 (Day 21) for 6 days.

Group Type ACTIVE_COMPARATOR

Loteprednol Etabonate 0.2%

Intervention Type DRUG

One drop in both eyes (OU) BID starting at Visit 2 (Day 0) for 6 days. Then in each eye QID starting the day after Visit 5 (Day 21) for 6 days.

Placebo

Tears Naturale (Artificial Tears) in each eye BID starting at Visit 2 (Day 0) for 6 days. Then in each eye QID starting the day after Visit 5 (Day 21) for 6 days.

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type DRUG

One drop in both eyes (OU) BID starting at Visit 2 (Day 0) for 6 days. Then in each eye QID starting the day after Visit 5 (Day 21) for 6 days.

Interventions

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Prednisolone Acetate 1%

One drop in both eyes (OU) BID starting at Visit 2 (Day 0) for 6 days. Then in each eye QID starting the day after Visit 5 (Day 21) for 6 days.

Intervention Type DRUG

Prednisolone Acetate 0.12%

One drop in both eyes (OU) BID starting at Visit 2 (Day 0) for 6 days. Then in each eye QID starting the day after Visit 5 (Day 21) for 6 days.

Intervention Type DRUG

Loteprednol Etabonate 0.2%

One drop in both eyes (OU) BID starting at Visit 2 (Day 0) for 6 days. Then in each eye QID starting the day after Visit 5 (Day 21) for 6 days.

Intervention Type DRUG

Placebo

One drop in both eyes (OU) BID starting at Visit 2 (Day 0) for 6 days. Then in each eye QID starting the day after Visit 5 (Day 21) for 6 days.

Intervention Type DRUG

Other Intervention Names

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Pred Forte (Allergan) Pred Mild (Allergan) Alrex (Bausch & Lomb) Tears Naturale Artificial tears

Eligibility Criteria

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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
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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ORA, Inc.

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Gail L Torkildsen, MD

Role: PRINCIPAL_INVESTIGATOR

American board of Ophthalmology

Locations

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Ophthalmic Research Associates

Andover, Massachusetts, United States

Site Status

Countries

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United States

Other Identifiers

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08-003-05

Identifier Type: -

Identifier Source: org_study_id

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