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Showing 1–24 of 125 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: riboflavin Clear all
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 7, 2026, 1:33 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 Sep 7, 2026, 1:33 AM EDT
Completed Phase 4 Interventional Results available

Effectiveness of Varenicline: Testing Individual Differences

NCT01228175
View directory record Official record
Conditions
Smoking Addiction
Interventions
Placebo, Varenicline
Drug
Lead sponsor
The Mind Research Network
Other
Eligibility
18 Years to 55 Years
Enrollment
218 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2016
U.S. locations
1
States / cities
Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated May 8, 2018 · Synced Sep 7, 2026, 1:33 AM EDT
Completed Phase 3 Interventional

Epithelium-On Corneal Cross-linking in Subjects 8 to 45 Years of Age With Keratoconus

NCT06100939
View directory record Official record
Conditions
Keratoconus
Interventions
Riboflavin and Sodium Iodide solution and Ultraviolet-A treatment, Placebo and sham treatment
Combination Product
Lead sponsor
Epion Therapeutics
Industry
Eligibility
8 Years to 45 Years
Enrollment
396 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
13
States / cities
Rowland Heights, California • San Francisco, California • Miami, Florida + 10 more
Source: ClinicalTrials.gov public record
Updated Jun 24, 2026 · Synced Sep 7, 2026, 1:33 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 Sep 7, 2026, 1:33 AM EDT
Completed Not applicable Interventional

Ultraviolet-A and Riboflavin Treatment for Infectious Keratitis

NCT01739673
View directory record Official record
Conditions
Infectious Keratitis
Interventions
Ultraviolet-A and riboflavin
Other
Lead sponsor
Cxlusa
Industry
Eligibility
18 Years and older
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
6
States / cities
Scottsdale, Arizona • West Hills, California • Littleton, Colorado + 3 more
Source: ClinicalTrials.gov public record
Updated Sep 25, 2018 · Synced Sep 7, 2026, 1:33 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 7, 2026, 1:33 AM EDT
Withdrawn Phase 2 Interventional Accepts healthy volunteers

Evaluation of Progression of Myopia in Children Treated With Vitamin B2 and Outdoor Sunlight Exposure

NCT03552016
View directory record Official record
Conditions
Axial Myopia, Refractive Errors
Interventions
Oral Riboflavin
Drug
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
6 Years to 12 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Aug 23, 2026 · Synced Sep 7, 2026, 1:33 AM 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 27, 2019 · Synced Sep 7, 2026, 1:33 AM EDT
Completed No phase listed Observational

Vitamins, Breastmilk HIV Shedding, and Child Health

NCT00197756
View directory record Official record
Conditions
Maternal and Child Health Outcomes
Interventions
Vitamin A alone, Multivitamins excluding vitamin A, multivitamins including vitamin A, Placebo
Dietary Supplement · Other
Lead sponsor
Harvard School of Public Health (HSPH)
Other
Eligibility
18 Years and older · Female only
Enrollment
771 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2007
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 20, 2009 · Synced Sep 7, 2026, 1:33 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Inactivation of Whole Blood With Mirasol

NCT01907906
View directory record Official record
Conditions
Focus of Study: Radiolabel Recovery and Survival of RBCs
Interventions
Mirasol System for Whole Blood
Device
Lead sponsor
Terumo BCTbio
Industry
Eligibility
18 Years and older
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
2
States / cities
Cincinnati, Ohio • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Aug 17, 2015 · Synced Sep 7, 2026, 1:33 AM EDT
Recruiting Phase 2 Interventional

ExCrossV Multi Site Trial for Vascularized High Risk Keratoplasty

NCT06753916
View directory record Official record
Conditions
Corneal Transplant Failure
Interventions
Corneal Donor Tissue with Cross Linking, Corneal Donor Tissue without Cross Linking
Procedure
Lead sponsor
Massachusetts Eye and Ear Infirmary
Other
Eligibility
18 Years and older
Enrollment
96 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2031
U.S. locations
12
States / cities
Irvine, California • Los Angeles, California • San Francisco, California + 9 more
Source: ClinicalTrials.gov public record
Updated Apr 20, 2026 · Synced Sep 7, 2026, 1:33 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Soy Isoflavones and Breast Cancer Risk Reduction

NCT00204490
View directory record Official record
Conditions
Breast Cancer
Interventions
isoflavones, carbohydrate
Dietary Supplement
Lead sponsor
The University of Texas Medical Branch, Galveston
Other
Eligibility
30 Years to 42 Years · Female only
Enrollment
197 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2023
U.S. locations
1
States / cities
Galveston, Texas
Source: ClinicalTrials.gov public record
Updated May 15, 2024 · Synced Sep 7, 2026, 1:33 AM EDT
Completed Phase 2 Interventional Results available

Targeting Anhedonia in Cocaine Use Disorder

NCT02773212
View directory record Official record
Conditions
Cocaine-Related Disorders, Anhedonia
Interventions
d-amphetamine, Contingency management, Placebo (for d-amphetamine)
Drug · Behavioral
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
18 Years to 60 Years
Enrollment
57 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 8, 2024 · Synced Sep 7, 2026, 1:33 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 Sep 7, 2026, 1:33 AM EDT
Completed Phase 3 Interventional

Epithelium-On Corneal Cross-linking in Subjects 8 to 45 Years of Age With Keratoconus

NCT06100952
View directory record Official record
Conditions
Keratoconus
Interventions
Riboflavin and Sodium Iodide solution and Ultraviolet-A treatment, Placebo and sham treatment
Combination Product
Lead sponsor
Epion Therapeutics
Industry
Eligibility
8 Years to 45 Years
Enrollment
398 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
12
States / cities
Scottsdale, Arizona • Tucson, Arizona • Murrieta, California + 9 more
Source: ClinicalTrials.gov public record
Updated Jun 24, 2026 · Synced Sep 7, 2026, 1:33 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Investigating Oral Agents for Urine Staining to Facilitate Intraoperative Observation of Ureteral Jets

NCT03432572
View directory record Official record
Conditions
Ureteral Injury
Interventions
Pyridium, Riboflavin, Thiamine
Drug
Lead sponsor
Texas Tech University Health Sciences Center
Other
Eligibility
21 Years to 75 Years · Female only
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Lubbock, Texas
Source: ClinicalTrials.gov public record
Updated Aug 10, 2020 · Synced Sep 7, 2026, 1:33 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effectiveness of a Nutraceutical in Raising Circulating Serum Vitamin, Mineral and Amino Acid Levels in Patients.

NCT04054505
View directory record Official record
Conditions
Vitamin Deficiency
Interventions
EZPAK, Placebo
Dietary Supplement
Lead sponsor
Optimal Health Research
Other
Eligibility
26 Years to 75 Years
Enrollment
275 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jul 9, 2024 · Synced Sep 7, 2026, 1:33 AM EDT
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 Sep 7, 2026, 1:33 AM EDT
Not listed Phase 2Phase 3 Interventional

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

NCT05255107
View directory record Official record
Conditions
Keratitis, Corneal Ulcer
Interventions
Standard of Care Therapy + CXL + Riboflavin 0.23% L Solution, Standard of Care Therapy + Sham CXL + Artificial Tears
Combination Product · Other
Lead sponsor
Peschke GmbH
Industry
Eligibility
18 Years and older
Enrollment
468 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 27, 2022 · Synced Sep 7, 2026, 1:33 AM EDT
Withdrawn Not applicable Interventional

A Study to See if Certain Antioxidants and Vitamins Will Keep Lactate Levels Down in Patients Taking Anti-HIV Drugs

NCT00037063
View directory record Official record
Conditions
HIV Infections
Interventions
Thiamine hydrochloride, Riboflavin, Ascorbic acid, Vitamin E
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years and older
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
4
States / cities
Denver, Colorado • Cleveland, Ohio • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 3, 2015 · Synced Sep 7, 2026, 1:33 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 7, 2026, 1:33 AM EDT
Completed Phase 2 Interventional Results available

A Multi-Center Trial of Nepicastat for Cocaine Dependence

NCT01704196
View directory record Official record
Conditions
Cocaine Dependence
Interventions
Nepicastat, Placebo
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 99 Years
Enrollment
179 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
10
States / cities
Los Angeles, California • San Diego, California • Denver, Colorado + 7 more
Source: ClinicalTrials.gov public record
Updated May 17, 2017 · Synced Sep 7, 2026, 1:33 AM EDT
Terminated Phase 2 Interventional Accepts healthy volunteers Results available

Clinical Trial of Tolcapone for Cognition in Schizophrenia

NCT00044083
View directory record Official record
Conditions
Schizophrenia
Interventions
Placebo, Tolcapone
Other · Drug
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 50 Years
Enrollment
210 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2015
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 26, 2018 · Synced Sep 7, 2026, 1:33 AM EDT