Keratoconus and Ectasia Clinical Trial
Official title:
Long Term Safety and Effectiveness of the VEGA UV-A System for Corneal Collagen Cross-Linking in Eyes With Keratoconus or Post-Refractive Corneal Ectasia
NCT number | NCT01398852 |
Other study ID # | CXL-003 |
Secondary ID | |
Status | Terminated |
Phase | Phase 3 |
First received | |
Last updated | |
Start date | December 2010 |
Est. completion date | July 2012 |
Verified date | June 2022 |
Source | Topcon Corporation |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
The purpose of this research study is to evaluate the long tern safety and effectiveness of cross-linking in eyes with keratoconus and ectasia.
Status | Terminated |
Enrollment | 500 |
Est. completion date | July 2012 |
Est. primary completion date | July 2012 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 12 Years and older |
Eligibility | Inclusion Criteria: - 12 years of age or older - Diagnosis of Keratoconus or Ectasia - Central or Inferior steepening on the Pentacam map - Topography consistent with Keratoconus or Ectasia - BSCVA 20/20 or worse - Removal of contact lenses for required period of time - Signed written informed consent - Willingness and ability to comply with schedule for follow up visits Exclusion Criteria - For Keratoconus, a history of previous corneal surgery - Corneal pachymentry equal to or greater and 400 - Previous ocular condition in the eyes to be treated that may predispose the eye for future complications - A history of chemical injury or delayed healing - Pregnancy - A known sensitivity to the study medications - Nystagmus or any other condition that would prevent a steady gaze during treatment or other diagnostic tests - Presence or history of any other condition or finding that makes the patient unsuitable as a candidate |
Country | Name | City | State |
---|---|---|---|
United States | Woolfson Eye Institute | Atlanta | Georgia |
United States | Dell Laser Consultants | Austin | Texas |
United States | Minnesota Eye Consultants | Bloomington | Minnesota |
United States | Massachusetts Eye And Ear Infirmary | Boston | Massachusetts |
United States | Cleveland Clinic-Cole Eye Institute | Cleveland | Ohio |
United States | OSU Department of Ophthalomogy | Columbus | Ohio |
United States | ReVision Advanced Laser Eye Center | Columbus | Ohio |
United States | Slade and Baker Vision Center | Houston | Texas |
United States | Laser and Corneal Surgery Assoc. PC | New York | New York |
United States | Mt Sinai Hospital | New York | New York |
United States | Pamel Vision & Laser Group | New York | New York |
United States | Barnet Dulaney Perkins Eye Center | Phoenix | Arizona |
United States | The Eye Institute of Utah | Salt Lake City | Utah |
Lead Sponsor | Collaborator |
---|---|
Topcon Medical Systems, Inc. |
United States,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Changes in Corneal Curvature | 24 MO |