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ClinicalTrials.gov public records Last synced Oct 1, 2026, 10:36 PM EDT

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Showing 1–24 of 36 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Keratoconus and Ectasia Clear all
Terminated Phase 2 Interventional Results available

Safety and Efficacy of Corneal Crosslinking Using the PXL-Platinum 330 for Eyes With Corneal Ectatic Conditions

NCT04240457
View directory record Official record
Conditions
Keratoconus, Cornea Ectasia
Interventions
Epithelial-on Corneal Crosslinking with the PXL 330 Platinum system.
Combination Product
Lead sponsor
Arbor Center for Eye Care
Other
Eligibility
12 Years to 60 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Orland Park, Illinois
Source: ClinicalTrials.gov public record
Updated Dec 12, 2024 · Synced Oct 1, 2026, 10:36 PM EDT
Not listed Phase 1Phase 2 Interventional

Safety and Effectiveness of the PXL-Platinum 330 System

NCT04401865
View directory record Official record
Conditions
Corneal Ectasia, Keratoconus, Pellucid Marginal Corneal Degeneration
Interventions
PXL-330 Platinum device for crosslinking with Peschke riboflavin solution
Combination Product
Lead sponsor
Colorado Eye Consultants/Cornea Consultants of Colorado
Industry
Eligibility
8 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
3
States / cities
Littleton, Colorado • Highland Park, Illinois • Brecksville, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 25, 2022 · Synced Oct 1, 2026, 10:36 PM EDT
Not listed Phase 2Phase 3 Interventional Accepts healthy volunteers

Treatment of Keratoconus Using Collagen Cross-Linking

NCT00841386
View directory record Official record
Conditions
Keratoconus
Interventions
Riboflavin-5-phosphate, Sham cross-linking
Drug
Lead sponsor
University at Buffalo
Other
Eligibility
16 Years to 35 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2011
U.S. locations
2
States / cities
Amherst, New York • Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Feb 11, 2009 · Synced Oct 1, 2026, 10:36 PM EDT
Terminated Phase 2 Interventional

Study of the Safety and Effectiveness of Photochemically Induced Collagen Cross-Linking in Eyes With Keratoconus.

NCT02762253
View directory record Official record
Conditions
Keratoconus
Interventions
Riboflavin drops
Drug
Lead sponsor
Nvision Laser Eye Centers
Industry
Eligibility
12 Years and older
Enrollment
320 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
11
States / cities
Camarillo, California • Citrus Heights, California • Fullerton, California + 8 more
Source: ClinicalTrials.gov public record
Updated May 5, 2016 · Synced Oct 1, 2026, 10:36 PM EDT
Not listed Phase 3 Interventional

Transepithelial Corneal Collagen Crosslinking for Keratoconus and Corneal Ectasia

NCT01464268
View directory record Official record
Conditions
Keratoconus, Corneal Ectasia
Interventions
Riboflavin
Drug
Lead sponsor
Cornea and Laser Eye Institute
Other
Eligibility
18 Years and older
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2025
U.S. locations
1
States / cities
Teaneck, New Jersey
Source: ClinicalTrials.gov public record
Updated Feb 8, 2023 · Synced Oct 1, 2026, 10:36 PM EDT
Recruiting Phase 2 Interventional

Safety and Effectiveness of the PXL-Platinum 330 System for Corneal Cross-Linking in Eyes With Corneal Ectasia

NCT04094090
View directory record Official record
Conditions
Keratoconus, Pellucid Marginal Corneal Degeneration, Corneal Ectasia
Interventions
PXL-330 Platinum device for crosslinking with Peschke riboflavin solution
Combination Product
Lead sponsor
Goodman Eye Center
Other
Eligibility
10 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2029
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Oct 20, 2025 · Synced Oct 1, 2026, 10:36 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Pilot Study to Investigate the Feasibility, Reliability and Efficacy of Utilizing OCT to Automate PROSE Fitting

NCT04649177
View directory record Official record
Conditions
Keratoconus, Ocular Surface Disease, Pellucid Marginal Corneal Degeneration, Ectasia, Corneal Trauma, Corneal Scar, Dry Eye Syndromes, Keratoconjunctivitis Sicca, Sjogren's Syndrome
Interventions
Ocular surface optical coherence tomography
Device
Lead sponsor
Boston Sight
Other
Eligibility
21 Years and older
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Needham, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 27, 2023 · Synced Oct 1, 2026, 10:36 PM EDT
Not listed Phase 2Phase 3 Interventional

Collagen Cross-Linking for Keratoconus/Ectasia With and Without Intacs

NCT01081561
View directory record Official record
Conditions
Keratoconus, Ectasia
Interventions
Riboflavin
Drug
Lead sponsor
Yaron S. Rabinowitz M.D.
Other
Eligibility
21 Years to 65 Years
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2021
U.S. locations
1
States / cities
Beverly Hills, California
Source: ClinicalTrials.gov public record
Updated Oct 2, 2018 · Synced Oct 1, 2026, 10:36 PM EDT
Not listed Phase 3 Interventional Accepts healthy volunteers

Corneal Collagen Crosslinking for Keratoconus and Ectasia Using Riboflavin/Dextran or Riboflavin/Methylcellulose

NCT04897503
View directory record Official record
Conditions
Keratoconus, Corneal Ectasia
Interventions
Riboflavin
Drug
Lead sponsor
Cornea and Laser Eye Institute
Other
Eligibility
12 Years and older
Enrollment
170 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Teaneck, New Jersey
Source: ClinicalTrials.gov public record
Updated Jan 4, 2023 · Synced Oct 1, 2026, 10:36 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Corneal Elastography and Patient Specific Modeling

NCT03030755
View directory record Official record
Conditions
Cornea; Ectasia, Refractive Errors, Keratoconus
Interventions
Optical coherence tomography
Other
Lead sponsor
The Cleveland Clinic
Other
Eligibility
16 Years to 80 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2027
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 3, 2026 · Synced Oct 1, 2026, 10:36 PM EDT
Not listed Phase 3 Interventional

Corneal Collagen Cross-Linking (CXL) Performed With "Epi-ON" Versus "Epi-OFF" in Eyes With Keratoconus and Other Corneal Ectatic Disorders

NCT03858036
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Feb 28, 2019 · Synced Oct 1, 2026, 10:36 PM EDT
Terminated No phase listed Observational

Cross-linking of Corneal Collagen (CXL) With Ultraviolet-A in Asymmetric Corneas

NCT01189864
View directory record Official record
Conditions
Keratoconus, Ectasia, Degeneration
Interventions
Ciprofloxicin or Vigamox or other., Nonsteroidal (Acular, Acuvail, Voltaren Xibrom, etc), Steroid (FML, Pred Forte, Flarex, etc.)
Drug
Lead sponsor
Cxlusa
Industry
Eligibility
12 Years and older
Enrollment
3,493 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2017
U.S. locations
16
States / cities
Scottsdale, Arizona • Laguna Hills, California • San Diego, California + 13 more
Source: ClinicalTrials.gov public record
Updated Oct 12, 2018 · Synced Oct 1, 2026, 10:36 PM EDT
Terminated Phase 3 Interventional Results available

Safety and Effectiveness Study of the VEGA UV-A System for Cross-linking in Eyes With Keratoconus and Ectasia

NCT01398852
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 29, 2022 · Synced Oct 1, 2026, 10:36 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Wavefront Guided Scleral Lenses for Keratoconus and Irregular Astigmatism

NCT04698590
View directory record Official record
Conditions
Keratoconus, Irregular Astigmatism, Corneal Ectasia, Aberration, Corneal Wavefront, Wavefront Aberration, Corneal, Pellucid Marginal Corneal Degeneration, Keratoglobus
Interventions
Wavefront Guided Scleral Lenses, Traditional Scleral Lenses
Device
Lead sponsor
Cornea and Laser Eye Institute
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Teaneck, New Jersey
Source: ClinicalTrials.gov public record
Updated May 3, 2024 · Synced Oct 1, 2026, 10:36 PM EDT
Not listed Phase 3 Interventional

Corneal Collagen Crosslinking and Intacs for Keratoconus and Ectasia

NCT01112072
View directory record Official record
Conditions
Keratoconus, Corneal Ectasia
Interventions
Riboflavin
Drug
Lead sponsor
Cornea and Laser Eye Institute
Other
Eligibility
21 Years and older
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2025
U.S. locations
1
States / cities
Teaneck, New Jersey
Source: ClinicalTrials.gov public record
Updated Feb 8, 2023 · Synced Oct 1, 2026, 10:36 PM EDT
No Longer Available No phase listed Expanded access Accepts healthy volunteers

Progressive Keratoconus or Ectasia Treatment Plan

NCT01384773
View directory record Official record
Conditions
Keratoconus, Ectasia
Interventions
Riboflavin Solution, UV-X Illumination System
Other · Device
Lead sponsor
Stephen Trokel
Other
Eligibility
16 Years and older
Healthy volunteers
Accepts healthy volunteers
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 9, 2023 · Synced Oct 1, 2026, 10:36 PM EDT
Not listed Phase 3 Interventional Accepts healthy volunteers

Transepithelial (Epi-on) Corneal Collagen Crosslinking to Treat Keratoconus and Corneal Ectasia

NCT04905108
View directory record Official record
Conditions
Keratoconus, Corneal Ectasia
Interventions
Riboflavin
Drug
Lead sponsor
Cornea and Laser Eye Institute
Other
Eligibility
12 Years and older
Enrollment
160 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Teaneck, New Jersey
Source: ClinicalTrials.gov public record
Updated Jan 4, 2023 · Synced Oct 1, 2026, 10:36 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety & Effectiveness of the PXL-Platinum 330 System for CXL Using Riboflavin Solution

NCT04667572
View directory record Official record
Conditions
Keratoconus, Pellucid Marginal Corneal Degeneration, Corneal Degeneration, Corneal Ectasia
Interventions
PXL-330 Platinum device for crosslinking with Peschke riboflavin solution
Combination Product
Lead sponsor
Cornea Associates of Texas
Other
Eligibility
8 Years and older
Enrollment
249 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Feb 11, 2025 · Synced Oct 1, 2026, 10:36 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Dietary Riboflavin (Vitamin B-2) and Cornea Cross-Linking

NCT03095235
View directory record Official record
Conditions
Keratoconus, Cornea Ectasia
Interventions
Dietary riboflavin
Dietary Supplement
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
12 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Dec 10, 2025 · Synced Oct 1, 2026, 10:36 PM EDT
Completed Phase 2 Interventional

Safety and Effectiveness of the PXL Platinum 330 System for Corneal Collagen Cross-Linking in Eyes With Corneal Thinning Position

NCT04213885
View directory record Official record
Conditions
Keratoconus, Unstable, Ectasia Corneal, Bacterial Keratitis
Interventions
PXL 330 Platinum device/Riboflavin
Combination Product
Lead sponsor
Eye Specialists of Indiana
Other
Eligibility
12 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Aug 29, 2024 · Synced Oct 1, 2026, 10:36 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

A Study to Test the Diagnostic Potential of Brillouin Microscopy for Corneal Ectasia

NCT02118922
View directory record Official record
Conditions
Keratoconus, Ectasia, Crosslinking, Fuchs' Endothelial Dystrophy
Interventions
Brillouin imaging
Procedure
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
20 Years to 75 Years
Enrollment
168 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 6, 2025 · Synced Oct 1, 2026, 10:36 PM EDT
Recruiting Phase 1 Interventional

Safety and Effectiveness of the PXL-Platinum 330 System for Corneal Cross-Linking

NCT03918408
View directory record Official record
Conditions
Keratoconus, Unstable, Bacterial Keratitis, Ectasia of Cornea
Interventions
PXL-330 Platinum device for crosslinking with Peschke ribofflavin solution
Combination Product
Lead sponsor
Pacific Clear Vision Institute
Other
Eligibility
12 Years to 45 Years
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2030
U.S. locations
1
States / cities
Eugene, Oregon
Source: ClinicalTrials.gov public record
Updated Nov 12, 2024 · Synced Oct 1, 2026, 10:36 PM EDT
Terminated No phase listed Observational

Collagen Crosslinking With Ultraviolet-A in Asymmetric Corneas (2)

NCT01097447
View directory record Official record
Conditions
Keratoconus, Ectasia, Degeneration
Interventions
Not listed
Lead sponsor
Cxlusa
Industry
Eligibility
8 Years and older
Enrollment
2,619 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2017
U.S. locations
5
States / cities
San Diego, California • Littleton, Colorado • Hoffman Estates, Illinois + 2 more
Source: ClinicalTrials.gov public record
Updated Oct 11, 2018 · Synced Oct 1, 2026, 10:36 PM EDT
Completed Phase 2Phase 3 Interventional

Corneal Collagen Cross-Linking for the Treatment of Progressive Keratoconus and Corneal Ectasia

NCT00567671
View directory record Official record
Conditions
Progressive Keratoconus, Corneal Ectasia
Interventions
Corneal collagen, Sham comparator
Procedure
Lead sponsor
Emory University
Other
Eligibility
14 Years and older
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Sep 2, 2010 · Synced Oct 1, 2026, 10:36 PM EDT