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ClinicalTrials.gov public records Last synced Oct 1, 2026, 4:55 AM EDT

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Showing 25–48 of 60 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Corneal collagen Clear all
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 26, 2022 · Synced Oct 1, 2026, 4:55 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 9, 2023 · Synced Oct 1, 2026, 4:55 AM EDT
Not listed Phase 2Phase 3 Interventional

Safety and Effectiveness of the PXL Platinum 330 System With Riboflavin Solution for Refractory Corneal Ulcers

NCT05255016
View directory record Official record
Conditions
Keratitis, Corneal Ulcer
Interventions
PXL Platinum 330 system + Riboflavin 0.25% TE Solution, Sham CXL + Artificial Tears
Combination Product · Other
Lead sponsor
Peschke GmbH
Industry
Eligibility
18 Years and older
Enrollment
488 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
12
States / cities
Littleton, Colorado • Fort Myers, Florida • Tampa, Florida + 9 more
Source: ClinicalTrials.gov public record
Updated Oct 28, 2022 · Synced Oct 1, 2026, 4:55 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 12, 2018 · Synced Oct 1, 2026, 4:55 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 19, 2022 · Synced Oct 1, 2026, 4:55 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 20, 2017 · Synced Oct 1, 2026, 4:55 AM 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, 4:55 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 8, 2023 · Synced Oct 1, 2026, 4:55 AM EDT
Terminated Phase 2 Interventional Results available

Collagen Cross-Linking With Ultraviolet-A in Asymmetric Corneas

NCT03029104
View directory record Official record
Conditions
Keratoconus, Corneal Diseases, Eye Diseases, Photosensitizing Agents
Interventions
CXLO Corneal Strengthening Solution and UVA Illumination Device
Combination Product
Lead sponsor
Cxlusa
Industry
Eligibility
8 Years and older
Enrollment
2,228 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
9
States / cities
Scottsdale, Arizona • San Francisco, California • Littleton, Colorado + 6 more
Source: ClinicalTrials.gov public record
Updated Jan 12, 2022 · Synced Oct 1, 2026, 4:55 AM EDT
Terminated Phase 3 Interventional Results available

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

NCT01190306
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 12, 2022 · Synced Oct 1, 2026, 4:55 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 26, 2021 · Synced Oct 1, 2026, 4:55 AM EDT
Completed Phase 3 Interventional

Safety and Efficacy Study of Corneal Collagen Cross-Linking in Eyes With Keratoconus

NCT01344187
View directory record Official record
Conditions
Keratoconus
Interventions
riboflavin solution, placebo solution, KXL System
Drug · Device
Lead sponsor
Glaukos Corporation
Industry
Eligibility
12 Years and older
Enrollment
236 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
10
States / cities
Irvine, California • Miami, Florida • Atlanta, Georgia + 7 more
Source: ClinicalTrials.gov public record
Updated Apr 26, 2021 · Synced Oct 1, 2026, 4:55 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 2, 2026 · Synced Oct 1, 2026, 4:55 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 26, 2014 · Synced Oct 1, 2026, 4:55 AM EDT
Completed Phase 3 Interventional Results available

Cross-linking for Corneal Ulcers Treatment Trial

NCT02570321
View directory record Official record
Conditions
Corneal Ulcer, Infectious Keratitis, Bacterial Ulcer, Fungal Ulcer
Interventions
Corneal Cross-linking, Anti Fungal Drug
Procedure · Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
147 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jun 18, 2025 · Synced Oct 1, 2026, 4:55 AM EDT
Not listed No phase listed Observational

Observational Registry to Assess the Durability of Effect of CXL in Patients With Corneal Ectasia After Refractive Surgery

NCT03319082
View directory record Official record
Conditions
Corneal Ectasia
Interventions
Corneal Collagen Cross-linking
Combination Product
Lead sponsor
Glaukos Corporation
Industry
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2026
U.S. locations
11
States / cities
Palo Alto, California • Bloomington, Minnesota • Bozeman, Montana + 8 more
Source: ClinicalTrials.gov public record
Updated Feb 23, 2024 · Synced Oct 1, 2026, 4:55 AM 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, 4:55 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 8, 2023 · Synced Oct 1, 2026, 4:55 AM EDT
Terminated Not applicable Interventional Results available

Cross Linking for Treatment of Corneal Infection

NCT00912509
View directory record Official record
Conditions
Infectious Keratitis
Interventions
riboflavin, UVX Light
Drug · Device
Lead sponsor
Price Vision Group
Industry
Eligibility
14 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Nov 22, 2017 · Synced Oct 1, 2026, 4:55 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 6, 2018 · Synced Oct 1, 2026, 4:55 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 2, 2026 · Synced Oct 1, 2026, 4:55 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 30, 2024 · Synced Oct 1, 2026, 4:55 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 11, 2025 · Synced Oct 1, 2026, 4:55 AM EDT
Withdrawn Phase 1Phase 2 Interventional

PXL-Platinum 330 in Eyes With Corneal Thinning Conditions

NCT05489510
View directory record Official record
Conditions
Corneal Thinning, Keratoconus
Interventions
Pulsed or continuous lighting
Combination Product
Lead sponsor
Vishal Jhanji
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2031
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 5, 2023 · Synced Oct 1, 2026, 4:55 AM EDT