Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results come from ClinicalTrials.gov. When the live registry is unavailable, a clearly labeled stored copy may be shown.

Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 21, 2026, 1:32 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 33 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Photorefractive Keratectomy ("PRK") Clear all
Terminated Not applicable Interventional Results available

Topo-guided LASIK and Photorefractive Keratectomy vs Wavefront LASIK and Photorefractive Keratectomy

NCT03075176
View directory record Official record
Conditions
Surgery, Myopia
Interventions
Wavefront optimized LASIK, Wavefront optimized Photorefractive Keratectomy, Topography-guided LASIK, Topography-guided Photorefractive Keratectomy
Device
Lead sponsor
University of Utah
Other
Eligibility
21 Years and older
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Murray, Utah
Source: ClinicalTrials.gov public record
Updated Jul 17, 2023 · Synced Oct 21, 2026, 1:32 PM EDT
Terminated Not applicable Interventional

Photorefractive Keratectomy for Severe Anisometropia and Isoametropia Associated With Amblyopia

NCT03610997
View directory record Official record
Conditions
Anisometropia, Hyperopia, High Myopia, Amblyopia Isometropic, Amblyopia Bilateral, High Astigmatism
Interventions
Photorefractive keratectomy
Procedure
Lead sponsor
Baylor College of Medicine
Other
Eligibility
2 Years to 17 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2024
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Dec 8, 2025 · Synced Oct 21, 2026, 1:32 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

A 6 Month Study to Evaluate the Safety, Analgesic Efficacy of ACUVAIL™ (Ketorolac Tromethamine Ophthalmic Solution) 0.45%, in Post-PRK Corneal Wound Healing

NCT01193231
View directory record Official record
Conditions
Must be PRK Candidate
Interventions
Not listed
Lead sponsor
Durrie Vision
Other
Eligibility
18 Years to 39 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Feb 14, 2012 · Synced Oct 21, 2026, 1:32 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Initial Evaluation of Photorefractive Keratectomy in U.S. Army Personnel

NCT00413673
View directory record Official record
Conditions
Myopia
Interventions
PRK
Procedure
Lead sponsor
Walter Reed Army Medical Center
Federal
Eligibility
21 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001 – 2008
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Apr 1, 2008 · Synced Oct 21, 2026, 1:32 PM EDT
Completed Not applicable Interventional

Comparison of Photorefractive Keratectomy (PRK) and Sub-Bowman's Keratomileusis (SBK)

NCT00714922
View directory record Official record
Conditions
Myopia
Interventions
PRK, SBK
Procedure
Lead sponsor
University of Utah
Other
Eligibility
21 Years to 80 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Sep 16, 2010 · Synced Oct 21, 2026, 1:32 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Cannabinoid vs Opioid for Photorefractive Keratectomy Pain Control

NCT05477875
View directory record Official record
Conditions
Photorefractive Keratectomy, Myopia, Hyperopia
Interventions
oral cannabinoid, oral codeine/acetaminophen
Drug · Combination Product
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 65 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Aug 7, 2025 · Synced Oct 21, 2026, 1:32 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Epithelial Healing and Visual Outcomes Using Omega-3 Therapy Before and After Photorefractive Keratectomy (PRK) Surgery

NCT01059019
View directory record Official record
Conditions
Refractive Error
Interventions
Omega-3 Fatty Acid Supplements
Dietary Supplement
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 28 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Jun 21, 2013 · Synced Oct 21, 2026, 1:32 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Processed Amniotic Fluid (PAF) Drops After Photorefractive Keratectomy (PRK)

NCT04281004
View directory record Official record
Conditions
Photorefractive Keratectomy
Interventions
Amniotic Fluid (AFED), Saline Solution
Biological · Other
Lead sponsor
University of Utah
Other
Eligibility
21 Years and older
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Apr 18, 2024 · Synced Oct 21, 2026, 1:32 PM EDT
Completed Phase 4 Interventional Results available

Loteprednol vs. Prednisolone and Fluorometholone

NCT03123614
View directory record Official record
Conditions
Intraocular Pressure, Corneal Opacity
Interventions
Loteprednol Etabonate 0.5% Oph Gel, Prednisolone Acetate 1% Oph Susp
Drug
Lead sponsor
University of Utah
Other
Eligibility
21 Years and older
Enrollment
131 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Murray, Utah
Source: ClinicalTrials.gov public record
Updated May 26, 2021 · Synced Oct 21, 2026, 1:32 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Oral Gabapentin Versus Placebo for Treatment of Postoperative Pain Following Photorefractive Keratectomy

NCT00793910
View directory record Official record
Conditions
Postoperative Pain
Interventions
Gabapentin, placebo
Drug
Lead sponsor
Walter Reed Army Medical Center
Federal
Eligibility
21 Years and older
Enrollment
106 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jul 16, 2014 · Synced Oct 21, 2026, 1:32 PM 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 24, 2015 · Synced Oct 21, 2026, 1:32 PM EDT
Not listed Phase 3 Interventional Accepts healthy volunteers

Investigator Initiated Study to Assess the Efficacy of OC-01 (Varenicline) Nasal Spray on Signs and Symptoms of Dry Eye Disease Following Photorefractive Keratectomy (PRK)

NCT05045508
View directory record Official record
Conditions
Dry Eye
Interventions
OC-01 (varenicline 0.6mg/ml) nasal spray, Placebo (vehicle) Nasal Spray
Drug
Lead sponsor
Brandon Baartman
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Sep 22, 2021 · Synced Oct 21, 2026, 1:32 PM EDT
Completed Not applicable Interventional Results available

A Comparison of Pregabalin (Lyrica®) to Placebo in Pain Relief After Photorefractive Keratectomy (PRK) Surgery

NCT01097577
View directory record Official record
Conditions
Postoperative Pain
Interventions
pregabalin, Placebo
Drug
Lead sponsor
59th Medical Wing
Federal
Eligibility
21 Years and older
Enrollment
130 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010
U.S. locations
1
States / cities
Lackland Air Force Base, Texas
Source: ClinicalTrials.gov public record
Updated Oct 28, 2020 · Synced Oct 21, 2026, 1:32 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

A Comparison of Photorefractive Keratectomy (PRK), PRK With Mitomycin-C and Laser Subepithelial Keratomileusis (LASEK) in the Treatment of Moderate and High Myopia

NCT00415077
View directory record Official record
Conditions
MODERATE AND HIGH MYOPIA
Interventions
PRK, MMC PRK, LASEK
Procedure
Lead sponsor
Walter Reed Army Medical Center
Federal
Eligibility
21 Years and older
Enrollment
960 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2004
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jul 16, 2010 · Synced Oct 21, 2026, 1:32 PM EDT
Completed Phase 2 Interventional Results available

Study of SAF312 as an Eye Drop for Treatment of Eye Pain Following Photorefractive Keratectomy (PRK) Surgery

NCT02961062
View directory record Official record
Conditions
Postoperative Ocular Pain After PRK Surgery
Interventions
SAF312, Placebo
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years to 75 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
4
States / cities
Chevy Chase, Maryland • Sioux Falls, South Dakota • Draper, Utah + 1 more
Source: ClinicalTrials.gov public record
Updated Oct 6, 2021 · Synced Oct 21, 2026, 1:32 PM EDT
Completed Not applicable Interventional

Safety and Effectiveness of OBG vs.a Bandage Contact Lens for Large Corneal Epithelial Defects in Patients Post-PRK.

NCT03163641
View directory record Official record
Conditions
Corneal Epithelial Wound
Interventions
Acuvue Oasys, Ocular Bandage Gel
Device
Lead sponsor
Eyegate Pharmaceuticals, Inc.
Industry
Eligibility
22 Years to 50 Years
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Dec 17, 2020 · Synced Oct 21, 2026, 1:32 PM EDT
Completed Phase 4 Interventional

Efficacy of Cyclosporine for the Prevention and Treatment of Dry Eye Symptoms Following LASIK or Photorefractive Keratectomy

NCT00349440
View directory record Official record
Conditions
Dry Eye Syndromes
Interventions
Cyclosporine, Refresh Plus
Drug
Lead sponsor
Innovative Medical
Industry
Eligibility
18 Years and older
Enrollment
93 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Greensboro, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 26, 2008 · Synced Oct 21, 2026, 1:32 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Comparison of the Effect of 4th Generation Fluoroquinolones, Gatifloxacin and Moxifloxacin, on Epithelial Healing Following Photorefractive Keratectomy (PRK), A Substudy of: Initial Evaluation of Excimer Laser Keratorefractive Surgery in U.S. Army Personnel (WU # 2335-99)

NCT00414011
View directory record Official record
Conditions
Epithelium, Corneal
Interventions
Moxifloxacin, Gatifloxacin
Drug
Lead sponsor
Walter Reed Army Medical Center
Federal
Eligibility
21 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Ends 2005
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jul 17, 2013 · Synced Oct 21, 2026, 1:32 PM EDT
Completed Phase 2 Interventional Results available

Study of Efficacy and Safety of SAF312 Eye Drops in Subjects With Post-operative Corneal Induced Chronic Pain (CICP)

NCT04630158
View directory record Official record
Conditions
Chronic Ocular Pain
Interventions
SAF312 Placebo, SAF312
Other · Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
153 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
24
States / cities
Mission Hills, California • Newport Beach, California • Palo Alto, California + 19 more
Source: ClinicalTrials.gov public record
Updated Oct 9, 2024 · Synced Oct 21, 2026, 1:32 PM EDT
Completed Phase 4 Interventional

A Comparison of Topical Nepafenac to Placebo in Corneal Epithelial Healing Times and Postoperative Pain Relief

NCT00330798
View directory record Official record
Conditions
Photorefractive Keratectomy
Interventions
nepafenac 0.1%, ketorolac 0.4%
Drug · Other
Lead sponsor
Alcon Research
Industry
Eligibility
19 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Nov 18, 2016 · Synced Oct 21, 2026, 1:32 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

CONTOURA vs WFO Ablation PRK & LASIK

NCT05037370
View directory record Official record
Conditions
Refractive Surgery
Interventions
Wave-Front Optimized (WFO) ablation vs Topography-guided (TG) ablation
Device
Lead sponsor
59th Medical Wing
Federal
Eligibility
21 Years to 50 Years
Enrollment
400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Aug 14, 2025 · Synced Oct 21, 2026, 1:32 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Post-operative Pain Control After Photorefractive Keratectomy Comparing Acetaminophen/Codeine vs Acetaminophen/Oxycodone

NCT04399122
View directory record Official record
Conditions
Post-operative Pain Control
Interventions
acetaminophen/codeine vs acetaminophen/oxycodone
Drug
Lead sponsor
59th Medical Wing
Federal
Eligibility
21 Years and older
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Oct 5, 2021 · Synced Oct 21, 2026, 1:32 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Post Photorefractive Keratectomy (PRK) Use of an Eye Shield for Maintaining Vision and Mitigating Pain

NCT01592643
View directory record Official record
Conditions
Pain, Vision Nearsighted
Interventions
Eye Shield
Device
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Dec 22, 2021 · Synced Oct 21, 2026, 1:32 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Sutureless Cryopreserved Amniotic Membrane Graft (ProKera) and Wound Healing After Photorefractive Keratectomy

NCT00915759
View directory record Official record
Conditions
Corneal Wound Healing
Interventions
ProKera, Bandage contact lens
Device
Lead sponsor
Walter Reed National Military Medical Center
Federal
Eligibility
21 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2015
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Feb 7, 2025 · Synced Oct 21, 2026, 1:32 PM EDT