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Showing 1–15 of 15 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Hydroquinone Clear all
Completed Not applicable Interventional

Combination Alexandrite Laser and Topical Therapy vs Topical Therapy Alone for Treatment of Melasma

NCT02095756
View directory record Official record
Conditions
Melasma
Interventions
755nm Alexandrite Laser and Lytera Skin Brightening System (Non-Hydroquinone Topical Therapy), Lytera Skin Brightening System (Non-hydroquinone topical therapy)
Other
Lead sponsor
Cynosure, Inc.
Industry
Eligibility
18 Years to 74 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Jul 30, 2015 · Synced Sep 3, 2026, 3:19 AM EDT
Terminated Phase 4 Interventional Results available

Treatment w/ Tri-Luma® Cream & Intense Pulsed Light (IPL) vs a Mild Inactive Control Cream & Intense Pulsed Light (IPL) in Melasma

NCT00669071
View directory record Official record
Conditions
Melasma
Interventions
Fluocinolone acetonide 0.01%, hydroquinone 4%, tretinoin 0.05%, Cetaphil® Moisturizing Cream as Inactive Control
Drug
Lead sponsor
Galderma R&D
Industry
Eligibility
18 Years to 74 Years
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008
U.S. locations
2
States / cities
La Jolla, California • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Aug 22, 2022 · Synced Sep 3, 2026, 3:19 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Fractionated 1927nm Laser for Hyperpigmentation in Fitzpatrick Skin Phototypes V and VI

NCT05493280
View directory record Official record
Conditions
Hyperpigmentation
Interventions
MOXI
Device
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 75 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Dec 14, 2025 · Synced Sep 3, 2026, 3:19 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A 16-week Clinical Study Investigating a Dark Spot Corrector Serum in Women With Moderate Discrete Hyperpigmentation

NCT07468175
View directory record Official record
Conditions
Hyperpigmentation, Dark Spots
Interventions
Cosmetic dark spot corrector serum
Other
Lead sponsor
Revision Skincare
Industry
Eligibility
25 Years to 65 Years · Female only
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Richardson, Texas
Source: ClinicalTrials.gov public record
Updated Mar 11, 2026 · Synced Sep 3, 2026, 3:19 AM EDT
Recruiting Phase 4 Interventional

Prospective Evaluation of Topical Almond Oil vs Hydroquinone

NCT04875715
View directory record Official record
Conditions
Skin Pigmentation
Interventions
Almond Oil, Hydroquinone Topical
Other · Drug
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older · Female only
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Sep 11, 2025 · Synced Sep 3, 2026, 3:19 AM EDT
Completed Not applicable Interventional

A Study of the RevLite Laser System for the Treatment of Refractory Mixed Type Melasma

NCT02110134
View directory record Official record
Conditions
Melasma
Interventions
Revlite Laser System with hydroquinone skin care regimen, Hydroquinone skin care regimen
Device · Other
Lead sponsor
Cynosure, Inc.
Industry
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 16, 2020 · Synced Sep 3, 2026, 3:19 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluation of Hexyresorcinol vs Hydroquinone for Photoaging

NCT04345094
View directory record Official record
Conditions
Photoaging
Interventions
Hexylresourcinol, Hydroquinone
Other
Lead sponsor
Sytheon Ltd.
Industry
Eligibility
35 Years to 65 Years · Female only
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Jul 9, 2020 · Synced Sep 3, 2026, 3:19 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A 4-week Study Investigating Two Targeted Brightening Serum (A and B) Versus 4% Hydroquinone in Women With Mild to Severe Full-face Hyperpigmentation

NCT07644871
View directory record Official record
Conditions
Hyperpigmentation, Melasma, Dark Spots
Interventions
Facial Cleanser, Facial Moisturizer, Sunscreen SPF 55
Other
Lead sponsor
Revision Skincare
Industry
Eligibility
20 Years to 60 Years · Female only
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Irving, Texas
Source: ClinicalTrials.gov public record
Updated Jun 11, 2026 · Synced Sep 3, 2026, 3:19 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Evaluation of an Herbal-Based De-Pigmenting System

NCT02138539
View directory record Official record
Conditions
Melasma, Hyperpigmentation
Interventions
Herbal depigmenting agent (Epionce), Hydroquinone
Other · Drug
Lead sponsor
Sadick Research Group
Other
Eligibility
30 Years to 65 Years · Female only
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 17, 2015 · Synced Sep 3, 2026, 3:19 AM EDT
Completed Phase 4 Interventional Results available

Salicylic Acid Peels Combined With 4% Hydroquinone in the Treatment of Moderate to Severe Melasma in Hispanic Women

NCT00616239
View directory record Official record
Conditions
Melasma
Interventions
20-30% Salicylic Acid peels to the right side of the face, 20-30% Salicylic Acid peels to the left side of the face
Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 65 Years · Female only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2018
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Aug 9, 2020 · Synced Sep 3, 2026, 3:19 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Efficacy and Tolerability of a Hybrid Fractional Laser for the Treatment of Acne Scars in Patients With Skin of Color

NCT05362929
View directory record Official record
Conditions
Acne Scars - Mixed Atrophic and Hypertrophic, Hyperpigmentation, Laser-Induced Hyperpigmentation
Interventions
Sciton Halo
Device
Lead sponsor
Montefiore Medical Center
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2029
U.S. locations
1
States / cities
Elmsford, New York
Source: ClinicalTrials.gov public record
Updated Aug 10, 2026 · Synced Sep 3, 2026, 3:19 AM EDT
Completed Phase 4 Interventional

Efficacy and Safety of Therapy With Tri-Luma® Cream in Sequence With Glycolic Acid Peels for Melasma

NCT00472966
View directory record Official record
Conditions
Melasma
Interventions
Fluocinolone acetonide 0.1%/hydroquinone 4%/tretinoin 0.05% Cream in sequence with glycolic acid peels
Drug
Lead sponsor
Galderma R&D
Industry
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
1
States / cities
Boca Raton, Florida
Source: ClinicalTrials.gov public record
Updated Jul 28, 2022 · Synced Sep 3, 2026, 3:19 AM EDT
Completed Phase 4 Interventional

Assessment of Atrophogenic Potential of Triple Combination Cream for Treatment of Melasma

NCT00469183
View directory record Official record
Conditions
Melasma
Interventions
Fluocinolone acetonide .1%, hydroquinone 4%, tretinoin .05%
Drug
Lead sponsor
Galderma R&D
Industry
Eligibility
18 Years to 65 Years
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
2
States / cities
Los Angeles, California • Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jul 28, 2022 · Synced Sep 3, 2026, 3:19 AM EDT
Not listed Phase 4 Interventional

Azelaic Acid Versus Hydroquinone in Melasma

NCT00927771
View directory record Official record
Conditions
Melanosis
Interventions
azelaic acid gel, hydroquinone cream
Drug
Lead sponsor
Callender Center for Clinical Research
Other
Eligibility
18 Years to 89 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Mitchellville, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 24, 2009 · Synced Sep 3, 2026, 3:19 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Split-face Study Comparing the Cosmetic Efficacy and Tolerability of Two Topical Products in Participants With Moderate Facial Melasma

NCT02977507
View directory record Official record
Conditions
Melasma
Interventions
Lytera 2.0, 4% Hydroquinone Topical Cream, SkinMedica Facial Cleanser, SkinMedica Rejuvenative Moisturizer, SkinMedica Essential Defense Mineral Shield Broad Spectrum SPF 35 Sunscreen
Other · Drug
Lead sponsor
Allergan
Industry
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 18, 2018 · Synced Sep 3, 2026, 3:19 AM EDT