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Showing 1–24 of 41 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Ectasia of Cornea Clear all
Recruiting Phase 2Phase 3 Interventional

Comparison of Standard vs. Accelerated Corneal Crosslinking

NCT03922542
View directory record Official record
Conditions
Keratoconus, Ectasia Corneal
Interventions
Riboflavin 0.1%
Combination Product
Lead sponsor
Price Vision Group
Industry
Eligibility
10 Years and older
Enrollment
510 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Jul 30, 2025 · Synced Jun 10, 2026, 9:38 PM EDT
Not listed Phase 3 Interventional

Corneal Collagen Crosslinking for Progressive Keratoconus and Ectasia Using Riboflavin/Dextran and Hypotonic Riboflavin

NCT01152541
View directory record Official record
Conditions
Keratoconus, Corneal Ectasia
Interventions
Riboflavin/Dextran, Hypotonic 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
2010 – 2025
U.S. locations
1
States / cities
Teaneck, New Jersey
Source: ClinicalTrials.gov public record
Updated Feb 7, 2023 · Synced Jun 10, 2026, 9:38 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 1, 2010 · Synced Jun 10, 2026, 9:38 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 7, 2023 · Synced Jun 10, 2026, 9:38 PM EDT
Completed Phase 1 Interventional

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

NCT04177082
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
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Oct 18, 2022 · Synced Jun 10, 2026, 9:38 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 28, 2022 · Synced Jun 10, 2026, 9:38 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 7, 2023 · Synced Jun 10, 2026, 9:38 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 3, 2023 · Synced Jun 10, 2026, 9:38 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 28, 2024 · Synced Jun 10, 2026, 9:38 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 26, 2023 · Synced Jun 10, 2026, 9:38 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 11, 2018 · Synced Jun 10, 2026, 9:38 PM EDT
Terminated Phase 2 Interventional

CXL-04 A Study of Collagen Crosslinking With Ultraviolet-A in Asymmetric Corneas

NCT01956474
View directory record Official record
Conditions
Keratoconus
Interventions
Theralight crosslinking and Riboflavin
Other
Lead sponsor
Cxlusa
Industry
Eligibility
8 Years and older
Enrollment
1,324 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
6
States / cities
Miami, Florida • Atlanta, Georgia • Rockville, Maryland + 3 more
Source: ClinicalTrials.gov public record
Updated Oct 11, 2018 · Synced Jun 10, 2026, 9:38 PM EDT
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 11, 2024 · Synced Jun 10, 2026, 9:38 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 2, 2024 · Synced Jun 10, 2026, 9:38 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 10, 2009 · Synced Jun 10, 2026, 9:38 PM EDT
Withdrawn Not applicable Interventional

Higher Irradiance in Keratoconus Ectasia

NCT01789333
View directory record Official record
Conditions
Keratoconus, Ectasia
Interventions
UVA Light with irradiance exposure of 9 mW/cm2, Riboflavin 0.1% ophthalmic solution
Device · Drug
Lead sponsor
Stephen Trokel
Other
Eligibility
16 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 8, 2023 · Synced Jun 10, 2026, 9:38 PM EDT
Terminated No phase listed Observational

Collagen Crosslinking With Ultraviolet-A in Asymmetric Corneas

NCT01024322
View directory record Official record
Conditions
Keratoconus, Ectasia, Degeneration
Interventions
Ciprofloxicine or Vigamox or other., Nonsteroidal (Acular, Voltaren Xibrom, etc), Steroid (FML, Pred Forte, Flarex, etc.)
Drug
Lead sponsor
Cxlusa
Industry
Eligibility
8 Years and older
Enrollment
1,189 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2017
U.S. locations
3
States / cities
Miami, Florida • Rockville, Maryland • Fairfax, Virginia
Source: ClinicalTrials.gov public record
Updated Oct 10, 2018 · Synced Jun 10, 2026, 9:38 PM EDT
Not listed Phase 3 Interventional

Safety and Effectiveness of Corneal Crosslinking (CXL): Keratoconus and Post-Refractive Ectasia

NCT03080077
View directory record Official record
Conditions
Keratoconus, Ectasia
Interventions
Ricrolin+, Epi-Off
Drug
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
10 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 6, 2018 · Synced Jun 10, 2026, 9:38 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 19, 2025 · Synced Jun 10, 2026, 9:38 PM EDT
Not yet recruiting Phase 4 Interventional

Outcomes of CTAK Surgery

NCT07474870
View directory record Official record
Conditions
Keratoconus, Corneal Ectasia
Interventions
Questionnaire and Physical Exam
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 85 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Apr 23, 2026 · Synced Jun 10, 2026, 9:38 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 10, 2025 · Synced Jun 10, 2026, 9:38 PM EDT
Not listed Phase 3 Interventional Accepts healthy volunteers

Accelerated Corneal Collagen Crosslinking for Keratoconus and Ectasia Using Pulse or Continuous UV-A Light

NCT05027295
View directory record Official record
Conditions
Keratoconus, Corneal Ectasia
Interventions
riboflavin ophthalmic solution
Drug
Lead sponsor
Cornea and Laser Eye Institute
Other
Eligibility
18 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 3, 2023 · Synced Jun 10, 2026, 9:38 PM EDT
Not listed Phase 1 Interventional

Study of the Safety and Effectiveness of Collagen Cross-Linking at an Irradiance of 9 mW/cm2 and 18 mW/cm2

NCT02009709
View directory record Official record
Conditions
Keratoconus, Corneal Ectasia
Interventions
Riboflavin 0.1% ophthalmic solution, CCL-VARIO UV lamp, CCL-VARIO at 18 mW/cm2
Drug · Device
Lead sponsor
Robert Mack, M.D.
Other
Eligibility
18 Years to 80 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2013
U.S. locations
1
States / cities
Hoffman Estates, Illinois
Source: ClinicalTrials.gov public record
Updated Dec 13, 2015 · Synced Jun 10, 2026, 9:38 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 24, 2022 · Synced Jun 10, 2026, 9:38 PM EDT