- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03623074
Control of Myopia Using Novel Spectacle Lens Designs (CYPRESS)
April 17, 2024 updated by: SightGlass Vision, Inc.
Efficacy and Safety Study of Novel Spectacle Lens Designs to Control of Myopia
Randomized, controlled, multisite, subject-and observer-masked, 3-arm parallel group clinical trial of 36-month duration to evaluate the safety and efficacy of a novel spectacle lens design in reducing the progression of juvenile myopia.
Study Overview
Status
Active, not recruiting
Conditions
Intervention / Treatment
Study Type
Interventional
Enrollment (Actual)
266
Phase
- Not Applicable
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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Ontario
-
Waterloo, Ontario, Canada, N2L 3G1
- Center for Ocular Research & Education, School of Optometry, University of Waterloo School of Optometry & Vision Science
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-
-
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California
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Whittier, California, United States, 90606
- Golden Optometric Group
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-
Florida
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Longwood, Florida, United States, 32779
- Sabal Eye Care
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Pensacola, Florida, United States, 32503
- Visual Performance Center
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Kansas
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Pittsburg, Kansas, United States, 66762
- Kannarr Eye Care
-
-
Louisiana
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West Monroe, Louisiana, United States, 71291
- Eye Associates of Northeast Louisiana (DBA Haik Humble Eye Center) Research Dept
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Missouri
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Raytown, Missouri, United States, 64133
- Advanced Eyecare, PC
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New York
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New York, New York, United States, 10036
- SUNY School of Optometry
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Vestal, New York, United States, 13850
- Sacco Eye Group
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Wantagh, New York, United States, 11793
- Dept of Clinical Research, South Shore Eye Care, LLP
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South Dakota
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Dakota Dunes, South Dakota, United States, 57049
- Dunes Eye Consultants
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Tennessee
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Memphis, Tennessee, United States, 38119
- Total Eye Care
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Texas
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Houston, Texas, United States, 77204
- University of Houston College of Optometry
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Utah
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Salt Lake City, Utah, United States, 84106
- William J Bogus, OD, FAAO
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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
6 years to 10 years (Child)
Accepts Healthy Volunteers
Yes
Description
Inclusion Criteria:
- Children 6-10 years of age (day prior to 10th birthday) at time of informed consent/assent
- SER error between -0.75 and -4.50 D
- SER power between the two eyes must be less than or equal to 1.50 D
- Willingness to participate in the trial for 3 years without content lens wear
Exclusion Criteria:
- Previous or current use of contact lenses
- Previous or current use of bifocals, progressive addition spectacles lenses
- Previous or current use of myopia control treatment
- Astigmatism worse then -1.25 DC in either eye
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: Double
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Test Arm 1
Single vision, impact-resistant spectacle lenses
|
Use of lenses may reduce the rate of progression of juvenile myopia
|
Experimental: Test Arm 2
Single vision, impact-resistant spectacle lenses
|
Use of lenses may reduce the rate of progression of juvenile myopia
|
Other: Test Arm 3
Single vision, impact-resistant spectacle lenses
|
Use of lenses may reduce the rate of progression of juvenile myopia
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Axial length
Time Frame: 36 Months
|
Change in axial length from baseline
|
36 Months
|
Spherical equivalent refraction
Time Frame: 36 Months
|
Change in spherical equivalent refraction from baseline
|
36 Months
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Investigators
- Study Chair: Joseph Rappon, OD, MS, FAAO, SightGlass Vision, Inc.
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 (Actual)
July 16, 2018
Primary Completion (Actual)
May 15, 2022
Study Completion (Estimated)
June 30, 2024
Study Registration Dates
First Submitted
August 3, 2018
First Submitted That Met QC Criteria
August 7, 2018
First Posted (Actual)
August 9, 2018
Study Record Updates
Last Update Posted (Actual)
April 18, 2024
Last Update Submitted That Met QC Criteria
April 17, 2024
Last Verified
April 1, 2024
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- CPRO-1802-001
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
No
Studies a U.S. FDA-regulated device product
Yes
product manufactured in and exported from the U.S.
Yes
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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