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ClinicalTrials.gov public records Last synced Oct 22, 2026, 2:53 PM EDT

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Showing 1–24 of 86 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Staining Clear all
Completed No phase listed Observational

Food Antigen in Eosinophilic Esophagitis

NCT02434705
View directory record Official record
Conditions
Eosinophilic Esophagitis
Interventions
Antigen (wheat base soy sauce) spray
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 80 Years
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2023
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Dec 12, 2023 · Synced Oct 22, 2026, 2:53 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

A Study to Assess the Efficacy of an Experimental Mouthwash Used With a Marketed Whitening Toothpaste on Stain Build-up

NCT07836998
View directory record Official record
Conditions
Tooth Discoloration
Interventions
Whitening Toothpaste, Experimental Mouthwash, Regular Fluoride Toothpaste
Drug · Device
Lead sponsor
HALEON
Industry
Eligibility
18 Years to 65 Years
Enrollment
360 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Melbourne, Florida
Source: ClinicalTrials.gov public record
Updated Oct 7, 2026 · Synced Oct 22, 2026, 2:53 PM EDT
Completed Phase 1 Interventional

Pulsed Dye Laser Treatment of Port Wine Stain Birthmarks: Comparison of 577 nm Versus 595 nm Wavelengths

NCT00573729
View directory record Official record
Conditions
Port Wine Stains
Interventions
Pulsed Dye Laser 577 nm, Pulsed Dye Laser 595 nm
Other
Lead sponsor
University of California, Irvine
Other
Eligibility
6 Months and older
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Irvine, California
Source: ClinicalTrials.gov public record
Updated Oct 20, 2022 · Synced Oct 22, 2026, 2:53 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Measurement Skin Temperature During Pulsed Laser Exposure

NCT00540917
View directory record Official record
Conditions
Port-Wine Stain
Interventions
cooling spray during laser treatment
Procedure
Lead sponsor
University of California, Irvine
Other
Eligibility
7 Years to 75 Years
Enrollment
118 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2010
U.S. locations
1
States / cities
Irvine, California
Source: ClinicalTrials.gov public record
Updated Nov 1, 2022 · Synced Oct 22, 2026, 2:53 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Clinical Evaluation of 3 Contact Lens Materials With 3 Solution Types

NCT03466060
View directory record Official record
Conditions
Visual Acuity, Slit Lamp Biomicroscopy (Corneal Staining Assessment)
Interventions
Opti-Free : RevitaLens / Clear Care : RevitaLens, Opti-Free : RevitaLens / RevitaLens : Clear Care, Clear Care : RevitaLens/ Opti-Free : RevitaLens, Clear Care : RevitaLens / RevitaLens : Opti-Free, RevitaLens : Clear Care/ Opti-Free : RevitaLens, RevitaLens : Clear Care / RevitaLens : Opti-Free, RevitaLens : Opti-Free / Clear Care : RevitaLens, RevitaLens : Opit-Free / RevitaLens : Clear Care
Device
Lead sponsor
Johnson & Johnson Vision Care, Inc.
Industry
Eligibility
18 Years to 69 Years
Enrollment
130 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
5
States / cities
Anaheim, California • Berkeley, California • Jacksonville, Florida + 2 more
Source: ClinicalTrials.gov public record
Updated Oct 2, 2019 · Synced Oct 22, 2026, 2:53 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

A Study to Investigate the Stain and Plaque Removal Capability of Two Experimental Potassium Nitrate Dentifrices

NCT03267511
View directory record Official record
Conditions
Oral Hygiene
Interventions
5% KNO3 / 0.2542% NaF dentifrice with 0.5% spherical silica, 5% KNO3 / 0.2542% NaF dentifrice with 1% spherical silica and 5% STP, 5% KNO3 / 0.2542% NaF dentifrice with 6% abrasive silica, 5% KNO3 / 0.2543% NaF dentifrice with 16% abrasive silica and 5% STP
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 65 Years
Enrollment
123 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Fort Wayne, Indiana
Source: ClinicalTrials.gov public record
Updated Jan 8, 2019 · Synced Oct 22, 2026, 2:53 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Comparative Evaluation of Corneal Staining With Balafilcon A Lenses and Two Multi-Purpose Solutions

NCT01024855
View directory record Official record
Conditions
Myopia, Hyperopia, Astigmatism
Interventions
RevitaLens OcuTec MPS (Investigational MPS) and Opti-Free RepleniSH MPS (control)
Device
Lead sponsor
Abbott Medical Optics
Industry
Eligibility
18 Years to 99 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Santa Ana, California
Source: ClinicalTrials.gov public record
Updated Oct 20, 2015 · Synced Oct 22, 2026, 2:53 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Clinical Study to Assess the Efficacy of Professional Tooth Whitening Maintenance System

NCT06613347
View directory record Official record
Conditions
Staining
Interventions
whitening maintenance, whitening maintenance MW, negative control
Other
Lead sponsor
Colgate Palmolive
Industry
Eligibility
18 Years to 65 Years
Enrollment
93 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Costa Mesa, California
Source: ClinicalTrials.gov public record
Updated May 21, 2025 · Synced Oct 22, 2026, 2:53 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Clinical Comparison of Marketed Lens Care Solutions With Avaira Lens Brand

NCT01335750
View directory record Official record
Conditions
Corneal Staining
Interventions
Multipurpose Solution #1, Multipurpose Solution #2, Mutlipurpose Solution #3, Multipurpose Solution #4
Other
Lead sponsor
CooperVision, Inc.
Industry
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 28, 2020 · Synced Oct 22, 2026, 2:53 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Safety and Efficacy of the ToothWave Powered Toothbrush for Extrinsic Stain Reduction (Texas)

NCT04092062
View directory record Official record
Conditions
Tooth Discoloration
Interventions
ToothWave, powered toothbrush
Device
Lead sponsor
Home Skinovations Ltd.
Industry
Eligibility
18 Years to 70 Years
Enrollment
91 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Dec 11, 2020 · Synced Oct 22, 2026, 2:53 PM EDT
Not listed Phase 3 Interventional Accepts healthy volunteers

The Study of Folate Receptor-Mediated Staining Solution (FRD™) In Cervical Lesion Detection

NCT03366493
View directory record Official record
Conditions
Cervical Intraepithelial Neoplasia Grade 2/3
Interventions
FRD, Cytology, HPV testing, Colposcopy, ECC, Biospy
Combination Product · Other · Procedure
Lead sponsor
GY Highland Biotech LLC
Industry
Eligibility
20 Years to 60 Years · Female only
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Augusta, Georgia
Source: ClinicalTrials.gov public record
Updated Dec 8, 2017 · Synced Oct 22, 2026, 2:53 PM EDT
Completed Not applicable Interventional

Sponge and Eosinophil Peroxidase (EPO) Staining

NCT03078023
View directory record Official record
Conditions
Eosinophilic Esophagitis
Interventions
swallowed sponge device
Device
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 70 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 15, 2022 · Synced Oct 22, 2026, 2:53 PM EDT
Terminated Phase 3 Interventional

DY002: Safety and Effectiveness of DYME as an Agent for Selective Staining of the Anterior Capsule During Cataract Surgery

NCT00596492
View directory record Official record
Conditions
Mature Cataracts
Interventions
DYME
Drug
Lead sponsor
Aqumen Biopharmaceuticals, N.A.
Industry
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008
U.S. locations
9
States / cities
Inglewood, California • Miami, Florida • Des Peres, Missouri + 6 more
Source: ClinicalTrials.gov public record
Updated Mar 2, 2009 · Synced Oct 22, 2026, 2:53 PM EDT
Completed No phase listed Observational

Monitoring the Response of Port Wine Stain Birthmarks to Laser Therapy With Wide-field Functional Imaging Technologies

NCT01333553
View directory record Official record
Conditions
PORT WINE STAIN
Interventions
Image-guided remove Port Wine Stain
Device
Lead sponsor
University of California, Irvine
Other
Eligibility
1 Day and older
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2018
U.S. locations
1
States / cities
Irvine, California
Source: ClinicalTrials.gov public record
Updated Nov 1, 2022 · Synced Oct 22, 2026, 2:53 PM EDT
Recruiting Not applicable Interventional

Tolerability of 532 nm Laser Treatment of Port Wine Stains

NCT05841628
View directory record Official record
Conditions
Port-Wine Stain
Interventions
532 nm laser treatment
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 75 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 26, 2025 · Synced Oct 22, 2026, 2:53 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Two Week Cumulative Extrinsic Stain Removal of a Battery-powered Toothbrush and a Manual Toothbrush

NCT06292611
View directory record Official record
Conditions
Dental Devices, Home Care
Interventions
Battery operated toothbrush, Manual toothbrush
Device
Lead sponsor
Church & Dwight Company, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
102 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Fort Wayne, Indiana
Source: ClinicalTrials.gov public record
Updated Mar 5, 2024 · Synced Oct 22, 2026, 2:53 PM EDT
Not yet recruiting Phase 2 Interventional

Rapamycin Dose-Ranging Efficacy Study in Port Wine Stains

NCT07436611
View directory record Official record
Conditions
Port Wine Stains
Interventions
Rapamycin cream, Pulsed dyed laser
Drug · Procedure
Lead sponsor
AFT Pharmaceuticals, Ltd.
Industry
Eligibility
Up to 10 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Corpus Christi, Texas
Source: ClinicalTrials.gov public record
Updated Jul 1, 2026 · Synced Oct 22, 2026, 2:53 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Purpose of This Research Study is to Compare the Effectiveness of a Non-fluoride Whitening Toothpaste (Test) to That of a Non-whitening Fluoride Toothpaste (Negative Control) in Improving Tooth Whiteness (Removal of Extrinsic Stains) Over 8 Weeks of Unsupervised Use.

NCT07219342
View directory record Official record
Conditions
Teeth Staining
Interventions
Toothpaste
Other
Lead sponsor
Boka LLC
Industry
Eligibility
18 Years to 65 Years
Enrollment
109 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Fort Wayne, Indiana
Source: ClinicalTrials.gov public record
Updated Aug 11, 2026 · Synced Oct 22, 2026, 2:53 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Assessment of Tear Film-Based Proteins Associated With Care Solution Induced Corneal Staining

NCT01100424
View directory record Official record
Conditions
Corneal Staining
Interventions
Opti-Free RepleniSH, ReNu MultiPlus, Balafilcon A, Unisol 4
Device · Other
Lead sponsor
Alcon Research
Industry
Eligibility
18 Years to 35 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Fort Worth, Texas
Source: ClinicalTrials.gov public record
Updated Oct 23, 2012 · Synced Oct 22, 2026, 2:53 PM EDT
Terminated Phase 3 Interventional Accepts healthy volunteers Results available

OraTest in Combination With Visual Examination and Visual Examination Alone

NCT00537199
View directory record Official record
Conditions
Head And Neck Cancer, Oropharynx Cancer
Interventions
Visual Examination, OraTest
Other · Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
45 Years and older
Enrollment
1 participant
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 13, 2016 · Synced Oct 22, 2026, 2:53 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Short-Term Evaluation of Corneal Staining With Balafilcon A Lenses and Two Multi-Purpose Solutions

NCT01240122
View directory record Official record
Conditions
Corneal Staining
Interventions
Biotrue MPS, Investigational MPS
Device
Lead sponsor
Abbott Medical Optics
Industry
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Santa Ana, California
Source: ClinicalTrials.gov public record
Updated Mar 3, 2025 · Synced Oct 22, 2026, 2:53 PM EDT
Withdrawn No phase listed Observational

Effect of Laser Treatment on Capillary Malformations

NCT02035319
View directory record Official record
Conditions
Capillary Malformation, Port Wine Stain
Interventions
Not listed
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
Up to 17 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 25, 2015 · Synced Oct 22, 2026, 2:53 PM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Defining the Conjunctival Staining Method: Instillation Volume and Time Course to Assess Staining With Lissamine Green

NCT00768898
View directory record Official record
Conditions
Conjunctival Staining
Interventions
2.5/5.0/10.0 µL lissamine green
Other
Lead sponsor
Alcon Research
Industry
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2008
U.S. locations
1
States / cities
Fort Worth, Texas
Source: ClinicalTrials.gov public record
Updated Apr 13, 2012 · Synced Oct 22, 2026, 2:53 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Evaluate the Port-wine Stain Birthmark Treatment Before and After Pulsed Dye Laser Treatment

NCT01774552
View directory record Official record
Conditions
Port-wine Stain
Interventions
Photo Acoustic Microscopy and Optical Coherence tomography
Device
Lead sponsor
University of California, Irvine
Other
Eligibility
Not listed
Enrollment
4 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2017
U.S. locations
1
States / cities
Irvine, California
Source: ClinicalTrials.gov public record
Updated Nov 1, 2022 · Synced Oct 22, 2026, 2:53 PM EDT