Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 19, 2026, 6:43 AM EDT

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Showing 1–4 of 4 matching trials from the live ClinicalTrials.gov search.
Conditions
Keratoconus
Interventions
The VEGA UV-A Illumination System, Riboflavin
Device · Drug
Lead sponsor
Topcon Medical Systems, Inc.
Industry
Eligibility
12 Years and older
Enrollment
127 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
9
States / cities
Phoenix, Arizona • Atlanta, Georgia • Bloomington, Minnesota + 4 more
Conditions
Keratoconus and Ectasia
Interventions
Riboflavin, VEGA UV-A Illumination System
Drug · Device
Lead sponsor
Topcon Medical Systems, Inc.
Industry
Eligibility
12 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
13
States / cities
Phoenix, Arizona • Atlanta, Georgia • Boston, Massachusetts + 7 more
Conditions
Keratoconus, Ectasia
Interventions
Ricrolin+, VEGA UV-A system
Drug · Device
Lead sponsor
Center for Sight, Sacramento, CA
Other
Eligibility
12 Years and older
Enrollment
550 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Sacramento, California
Terminated Phase 3 Interventional Results available

Safety Study of the VEGA UV-A System to Treat Ectasia

NCT01398839
Conditions
Ectasia
Interventions
VEGA UV-A Illumination System, Riboflavin
Device · Drug
Lead sponsor
Topcon Medical Systems, Inc.
Industry
Eligibility
18 Years and older
Enrollment
103 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
12
States / cities
Phoenix, Arizona • Atlanta, Georgia • Bloomington, Minnesota + 6 more