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Showing 1–24 of 53 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Corneal Collagen Cross-linking Clear all
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 Sep 25, 2026, 10:50 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Microwave Treatment and Corneal Collagen Crosslinking for Keratoconus

NCT01672814
View directory record Official record
Conditions
Keratoconus
Interventions
riboflavin ophthalmic solution, Vedera KXS Microwave System
Drug · Device
Lead sponsor
Cornea and Laser Eye Institute
Other
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2017
U.S. locations
1
States / cities
Teaneck, New Jersey
Source: ClinicalTrials.gov public record
Updated Jul 16, 2018 · Synced Sep 25, 2026, 10:50 AM EDT
Terminated Phase 3 Interventional

Safety & Efficacy of Corneal Collagen Cross-Linking in Eyes With Keratoconus or Corneal Ectasia After Refractive Surgery

NCT01459679
View directory record Official record
Conditions
Keratoconus, Corneal Ectasia
Interventions
KXL System (15 mW/cm2), KXL System (30 mW/cm2), KXL System (45 mW/cm2), riboflavin ophthalmic solution
Device · Drug
Lead sponsor
American-European Congress of Ophthalmic Surgery
Network
Eligibility
12 Years and older
Enrollment
1,721 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
82
States / cities
Birmingham, Alabama • Phoenix, Arizona • Los Angeles, California + 71 more
Source: ClinicalTrials.gov public record
Updated Jul 4, 2018 · Synced Sep 25, 2026, 10:50 AM EDT
Completed No phase listed Observational

Combined CXL//UV and PRK or LASIK in Forme Fruste Keratoconus or Eyes With Potential Risk of Ectasia

NCT01726283
View directory record Official record
Conditions
Fruste Keratoconus, Risk of Ectasia
Interventions
Corneal Cross-Linking, Riboflavin
Device · Drug
Lead sponsor
Cxlusa
Industry
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
8
States / cities
Scottsdale, Arizona • San Diego, California • Miami, Florida + 5 more
Source: ClinicalTrials.gov public record
Updated Aug 23, 2015 · Synced Sep 25, 2026, 10:50 AM 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 Sep 25, 2026, 10:50 AM EDT
Terminated Phase 1Phase 2 Interventional Results available

Safety and Efficacy of Corneal Collagen Cross-linking Following LASIK for Treatment of Hyperopia and Hyperopic Astigmatism

NCT01893359
View directory record Official record
Conditions
Hyperopia, Hyperopic Astigmatism
Interventions
riboflavin ophthalmic solution, 0% dextran, UVA Irradiation (30 mW/cm2 for 2 minutes continuous UVA), UVA Irradiation (30 mW/cm2 for 3 minutes pulsed UVA with an on/off cycle of 2 seconds UVA on/1 second UVA off), Laser-assisted in situ keratomileusis
Drug · Device · Procedure
Lead sponsor
Glaukos Corporation
Industry
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
5
States / cities
San Diego, California • Waltham, Massachusetts • Teaneck, New Jersey + 2 more
Source: ClinicalTrials.gov public record
Updated Apr 25, 2021 · Synced Sep 25, 2026, 10:50 AM 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 Sep 25, 2026, 10:50 AM EDT
Not listed Phase 2 Interventional

Safety and Effectiveness of the UV-X System for Corneal Collagen Cross-Linking for Compassionate Treatment in Pediatric Patients With Progressive Keratoconus

NCT00925327
View directory record Official record
Conditions
Progressive Keratoconus
Interventions
Corneal collagen cross-linking with riboflavin/UVA light
Other
Lead sponsor
Peschke Meditrade, GmbH
Industry
Eligibility
6 Years to 18 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 21, 2009 · Synced Sep 25, 2026, 10:50 AM EDT
Recruiting Phase 3 Interventional

Compassionate Use Study of Epi-ON Corneal Collagen Crosslinking Performed Using UVA Exposure on Eyes With Ectatic Corneal Diseases for Subjects With Down Syndrome

NCT07135167
View directory record Official record
Conditions
Down Syndrome (DS), Keratoconus, Pellucid Marginal Degeneration, Forme Fruste Keratoconus (FFK)
Interventions
Epi-ON corneal cross-linking (CXL)
Combination Product
Lead sponsor
Woolfson Eye Institute
Other
Eligibility
8 Years and older
Enrollment
225 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
12
States / cities
Atlanta, Georgia • Canton, Georgia • Cumming, Georgia + 8 more
Source: ClinicalTrials.gov public record
Updated Feb 1, 2026 · Synced Sep 25, 2026, 10:50 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Vision Restoration With a Collagen Crosslinked Boston Keratoprosthesis Unit

NCT02863809
View directory record Official record
Conditions
Keratolysis
Interventions
Riboflavin, Dextran, UVA Light Source
Drug · Device
Lead sponsor
Joseph B. Ciolino, MD
Other
Eligibility
18 Years and older
Enrollment
76 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
13
States / cities
Los Angeles, California • Sacramento, California • San Diego, California + 10 more
Source: ClinicalTrials.gov public record
Updated May 9, 2023 · Synced Sep 25, 2026, 10:50 AM 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 3, 2023 · Synced Sep 25, 2026, 10:50 AM 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 Sep 25, 2026, 10:50 AM 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 Sep 25, 2026, 10:50 AM EDT
Recruiting Not applicable Interventional

Collagen Cross-linking in Keratoconus

NCT03760432
View directory record Official record
Conditions
Keratoconus
Interventions
Laser Custom Corneal Collagen Cross-Linking
Procedure
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2027
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Sep 8, 2025 · Synced Sep 25, 2026, 10:50 AM EDT
Not listed Phase 1Phase 2 Interventional

Safety and Efficacy of Corneal Cross-linking in Subjects With Keratoconus

NCT05314738
View directory record Official record
Conditions
Progressive Keratoconus
Interventions
NXL Energy 1, NXL Energy 2, NXL Energy 3, Sham Treatment
Combination Product
Lead sponsor
Glaukos Corporation
Industry
Eligibility
18 Years to 55 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
3
States / cities
Dothan, Alabama • Teaneck, New Jersey • Westerville, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 7, 2024 · Synced Sep 25, 2026, 10:50 AM EDT
Recruiting Phase 4 Interventional

Evaluate the Safety and Feasibility of Same-Day Bilateral Epithelium-On Corneal Cross-Linking for Keratoconus

NCT07629557
View directory record Official record
Conditions
Keratoconus
Interventions
Riboflavin Ophthalmic Solutions, UV-A Irradiation System
Drug · Device
Lead sponsor
Glaukos Corporation
Industry
Eligibility
13 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Westerville, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 4, 2026 · Synced Sep 25, 2026, 10:50 AM 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 Sep 25, 2026, 10:50 AM EDT
Completed Phase 3 Interventional Results available

Study to Evaluate the Safety and Efficacy of Epi-on Corneal Cross-linking in Eyes With Progressive Keratoconus

NCT03442751
View directory record Official record
Conditions
Progressive Keratoconus
Interventions
Test Article A, Test Article B, Placebo, KXL medical device system
Drug · Device
Lead sponsor
Glaukos Corporation
Industry
Eligibility
12 Years to 55 Years
Enrollment
201 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Waltham, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 29, 2024 · Synced Sep 25, 2026, 10:50 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety and Effectiveness of the UV-X System for Corneal Collagen Cross-Linking in Eyes With Refractory Corneal Infection

NCT02068430
View directory record Official record
Conditions
Corneal Ulcers
Interventions
Riboflavin 0.1%, UV-X™ Illumination System
Drug · Other
Lead sponsor
Stephen Trokel
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2015
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 8, 2023 · Synced Sep 25, 2026, 10:50 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Epi-On Corneal Crosslinking for Keratoconus

NCT03245853
View directory record Official record
Conditions
Keratoconus, Keratoconus, Unstable
Interventions
Riboflavin 5'-Phosphate
Drug
Lead sponsor
Comprehensive EyeCare of Central Ohio
Other
Eligibility
14 Years to 40 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Westerville, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 27, 2020 · Synced Sep 25, 2026, 10:50 AM EDT
Completed Phase 3 Interventional Results available

Corneal Collagen Cross-Linking for Ectasia (CXL)

NCT00674661
View directory record Official record
Conditions
Ectasia
Interventions
riboflavin ophthalmic solution, UVA Irradiation
Drug · Device
Lead sponsor
Glaukos Corporation
Industry
Eligibility
14 Years and older
Enrollment
130 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
10
States / cities
La Jolla, California • San Diego, California • Miami, Florida + 7 more
Source: ClinicalTrials.gov public record
Updated Apr 25, 2021 · Synced Sep 25, 2026, 10:50 AM 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 Sep 25, 2026, 10:50 AM EDT
Not listed Phase 3 Interventional

Corneal Cross-Linking Comparing Variables

NCT02095730
View directory record Official record
Conditions
Unstable Corneas
Interventions
Epithelium-On Riboflavin, Epithelium-Off Riboflavin, UV Light - Continuous Beam, UV Pulsed Beam
Drug · Device
Lead sponsor
Crowd Health Research, LTD
Other
Eligibility
12 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2014
U.S. locations
16
States / cities
Santa Rosa, California • Denver, Colorado • Jacksonville, Florida + 13 more
Source: ClinicalTrials.gov public record
Updated Mar 25, 2014 · Synced Sep 25, 2026, 10:50 AM 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 Sep 25, 2026, 10:50 AM EDT