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Showing 1–24 of 31 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Collagen Crosslinking Clear all
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Urinary Biomarkers of OI Pathobiology

NCT02531087
View directory record Official record
Conditions
Osteogenesis Imperfecta
Interventions
Not listed
Lead sponsor
Baylor College of Medicine
Other
Eligibility
Not listed
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2026
U.S. locations
6
States / cities
Los Angeles, California • Omaha, Nebraska • New York, New York + 3 more
Source: ClinicalTrials.gov public record
Updated Nov 30, 2025 · Synced Jul 21, 2026, 11:26 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 Jul 21, 2026, 11:26 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 Jul 21, 2026, 11:26 AM EDT
Recruiting Phase 3 Interventional

Comparison of Epi-ON Corneal Collagen Crosslinking Performed Using an 18-Minute UVA Exposure vs. a 24-Minute UVA Exposure on Eyes With Ectatic Corneal Diseases

NCT07124910
View directory record Official record
Conditions
Keratoconus, Ectasia of Cornea, Pellucid Marginal Corneal Degeneration, Forme Fruste Keratoconus (FFK)
Interventions
Epi-ON corneal cross-linking
Combination Product
Lead sponsor
Woolfson Eye Institute
Other
Eligibility
8 Years and older
Enrollment
485 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 Jul 21, 2026, 11:26 AM EDT
Not listed Phase 2 Interventional Accepts healthy volunteers

UVA-Riboflavin Crosslinking Treatment of Corneal Ectasia

NCT01325298
View directory record Official record
Conditions
Keratoconus, Ectasia, Corneal Ectasia
Interventions
UV-X Light, Riboflavin
Device · Drug
Lead sponsor
Mercy Center for Corrective Eye Surgery
Other
Eligibility
14 Years to 55 Years
Enrollment
250 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
1
States / cities
McHenry, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 28, 2011 · Synced Jul 21, 2026, 11:26 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

McNeel Eye Center Corneal Crosslinking Study

NCT02921009
View directory record Official record
Conditions
Keratoconus
Interventions
Crosslinking using UV light of two different fluence rates
Device
Lead sponsor
McNeel Eye Center
Industry
Eligibility
15 Years to 50 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2025
U.S. locations
1
States / cities
Boise, Idaho
Source: ClinicalTrials.gov public record
Updated Apr 5, 2025 · Synced Jul 21, 2026, 11:26 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 Jul 21, 2026, 11:26 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Comparative Study of Three Collagen Membranes: 1 Non-cross-linked and 2 Cross-linked

NCT06944639
View directory record Official record
Conditions
Bone Regeneration
Interventions
Membrane Jason MB GmbH Non-cross-linked (NCL), Membrane BioMend Extend Glutaraldehyde cross-linked, Membrane OSSIX Agile Ribose cross-linked (RCL)
Device
Lead sponsor
Andrea Ravida
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 28, 2026 · Synced Jul 21, 2026, 11:26 AM 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 Jul 21, 2026, 11:26 AM 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 Jul 21, 2026, 11:26 AM 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 Jul 21, 2026, 11:26 AM EDT
Not listed Phase 3 Interventional

The Effects of Corneal Collagen Cross-linking

NCT01708538
View directory record Official record
Conditions
Corneal Ectasia Disorders Including Keratoconus
Interventions
CXL
Drug
Lead sponsor
Rush Eye Associates
Other
Eligibility
10 Years to 70 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2024
U.S. locations
1
States / cities
Amarillo, Texas
Source: ClinicalTrials.gov public record
Updated Oct 25, 2022 · Synced Jul 21, 2026, 11:26 AM EDT
Completed Phase 2 Interventional Results available

Corneal Crosslinking in Patients With Keratoconus and Post-Refractive Ectasia

NCT01143389
View directory record Official record
Conditions
Keratoconus, Post-Refractive Ectasia
Interventions
Riboflavin, UVX light
Drug · Device
Lead sponsor
Price Vision Group
Industry
Eligibility
10 Years and older
Enrollment
510 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2017
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Jun 5, 2018 · Synced Jul 21, 2026, 11:26 AM 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 Jul 21, 2026, 11:26 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 Jul 21, 2026, 11:26 AM EDT
Not listed Phase 2 Interventional Accepts healthy volunteers

IIT Assessing OC-01Nasal Spray on Symptoms of DED Following CXL

NCT05136924
View directory record Official record
Conditions
Dry Eye Disease
Interventions
OC-01 (varenicline 1.2mg/ml) nasal spray vs Placebo, Placebo (vehicle) nasal spray
Drug · Other
Lead sponsor
Vance Thompson Vision - MT
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Bozeman, Montana
Source: ClinicalTrials.gov public record
Updated Nov 29, 2021 · Synced Jul 21, 2026, 11:26 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 Jul 21, 2026, 11:26 AM EDT
Enrolling by invitation Phase 1Phase 2 Interventional

Dextenza Versus Topical Steroid Eye Drops for Postoperative Management Following Corneal Crosslinking

NCT06235567
View directory record Official record
Conditions
Keratoconus
Interventions
Dextenza 0.4Mg Ophthalmic Insert, topical prednisolone acetate 1% (PredForte) eye drops
Drug
Lead sponsor
Maanasa Indaram, MD
Other
Eligibility
13 Years to 64 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
3
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Mar 23, 2026 · Synced Jul 21, 2026, 11:26 AM EDT
Withdrawn Phase 2Phase 3 Interventional Accepts healthy volunteers

Corneal Crosslinking in Keratoconus and Corneal Ectasia

NCT00679666
View directory record Official record
Conditions
Progressive Keratoconus, Corneal Ectasia
Interventions
Riboflavin, Placebo
Drug
Lead sponsor
Ohio State University
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
2
States / cities
Columbus, Ohio • Dublin, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 19, 2017 · Synced Jul 21, 2026, 11:26 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 Jul 21, 2026, 11:26 AM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

Safety and Effectiveness of the PXL-Platinum 330 System for Cornea Crosslinking in Eyes With Cornea Thinning

NCT05516004
View directory record Official record
Conditions
Keratoconus
Interventions
PXL Platinum 330 system
Device
Lead sponsor
Cohen Laser and Vision Center
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2034
U.S. locations
1
States / cities
Boca Raton, Florida
Source: ClinicalTrials.gov public record
Updated Jun 13, 2024 · Synced Jul 21, 2026, 11:26 AM 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 Jul 21, 2026, 11:26 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 Jul 21, 2026, 11:26 AM 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 8, 2023 · Synced Jul 21, 2026, 11:26 AM EDT