- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00991458
Study of Cyclosporine in Post-LASIK Patients
July 9, 2013 updated by: Allergan
This study will evaluate the safety and efficacy of Cyclosporine 0.005% and 0.010% eye drops administered twice daily before and following LASIK surgery.
Study Overview
Status
Completed
Conditions
Study Type
Interventional
Enrollment (Actual)
621
Phase
- Phase 2
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
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Kansas
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Overland Park, Kansas, United States
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Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
21 years to 50 years (Adult)
Accepts Healthy Volunteers
No
Genders Eligible for Study
All
Description
Inclusion Criteria:
- Patient is scheduled for bilateral LASIK surgery
- Patient is in good general health
- Eye glasses prescription of -1 to -8
Exclusion Criteria:
- Significant Dry Eye
- Presence of eye disease
- Uncontrolled systemic disease
- Previous use of RESTASIS®
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Triple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Cyclosporine 0.010% eye drops
Cyclosporine 0.010% eye drops administered as 1 drop to each eye twice daily (morning and evening) for at least 2 weeks prior to LASIK surgery and up to 7 months post-LASIK surgery.
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Cyclosporine 0.010% eye drops administered as 1 drop to each eye twice daily (morning and evening) for at least 2 weeks prior to LASIK surgery and up to 7 months post-LASIK surgery.
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Experimental: Cyclosporine 0.005% eye drops
Cyclosporine 0.005% eye drops administered as 1 drop to each eye twice daily (morning and evening) for at least 2 weeks prior to LASIK surgery and up to 7 months post-LASIK surgery.
|
Cyclosporine 0.005% eye drops administered as 1 drop to each eye twice daily (morning and evening) for at least 2 weeks prior to LASIK surgery and up to 7 months post-LASIK surgery.
|
Placebo Comparator: Placebo (Vehicle for Cyclosporine)
Placebo eye drops administered as 1 drop to each eye twice daily (morning and evening) for at least 2 weeks prior to LASIK surgery and up to 7 months post-LASIK surgery.
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Placebo eye drops administered as 1 drop to each eye twice daily (morning and evening) for at least 2 weeks prior to LASIK surgery and up to 7 months post-LASIK surgery.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Time to Cure
Time Frame: 6 Months
|
Time to cure is defined as the number of days after laser in situ keratomileusis (LASIK) surgery that the patient has corneal sensitivity (the capability of the cornea to respond to stimulation) ≥ 50 millimeters in all 9 regions of both eyes after LASIK surgery.
A patient is considered cured at the first of 2 consecutive visits meeting these criteria.
The Inter-Quartile Range presented is actually the 25th Quantile and the 75th Quantile obtained from the Kaplan-Meier Model.
|
6 Months
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Time to Worst Outcome Post-LASIK Surgery in Tear Film Assessment
Time Frame: Months 3 to 6
|
The time to the worst outcome post-LASIK surgery in tear film stability is assessed using the Ocular Scatter Index (OSI).
The OSI is calculated by an instrument which takes images of the eye over time.
OSI values ≥3.0 indicate lower tear film quality resulting in a loss of visual acuity.
The worst outcome post-LASIK surgery is defined as the shortest time to OSI ≥3 across both eyes and post-LASIK surgery months 3 to 6.
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Months 3 to 6
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Percentage of Patients With Cumulative Poor Vision
Time Frame: Month 3, Month 4, Month 5, Month 6
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Cumulative Poor Vision is determined binocularly per patient (using both eyes at the same time) from the Poor Vision question on the Ocular Surface Disease Index (OSDI) questionnaire.
Severity of poor vision is graded on a 5-point scale (0 = none of the time, 1 = some of the time, 2 = half of the time, 3 = most of the time, 4 = all of the time).
Cumulative poor vision is defined as at least one poor vision score ≥ 1 beginning at Month 3 post-LASIK.
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Month 3, Month 4, Month 5, Month 6
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Worst Outcome Post-LASIK Surgery in Reading Speed Assessment
Time Frame: Months 3 to 6
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Reading speed is determined using the MNREAD™ Reading Card.
The MNREAD™ reading card is designed to simulate a normal every day reading scenario using binocular vision (both eyes at the same time).
The MNREAD™ Reading speed is calculated as (60) X [Number of words on card - (reading errors)]/ (number of seconds until the card is read).
The worst outcome is defined as the smallest number of words per minute across post-LASIK surgery months 3 to 6.
|
Months 3 to 6
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Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start
October 1, 2009
Primary Completion (Actual)
April 1, 2011
Study Completion (Actual)
April 1, 2011
Study Registration Dates
First Submitted
October 7, 2009
First Submitted That Met QC Criteria
October 7, 2009
First Posted (Estimate)
October 8, 2009
Study Record Updates
Last Update Posted (Estimate)
July 11, 2013
Last Update Submitted That Met QC Criteria
July 9, 2013
Last Verified
July 1, 2013
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Physiological Effects of Drugs
- Molecular Mechanisms of Pharmacological Action
- Anti-Infective Agents
- Enzyme Inhibitors
- Antirheumatic Agents
- Immunosuppressive Agents
- Immunologic Factors
- Dermatologic Agents
- Antifungal Agents
- Pharmaceutical Solutions
- Calcineurin Inhibitors
- Ophthalmic Solutions
- Cyclosporine
- Cyclosporins
Other Study ID Numbers
- 192371-018
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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