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ClinicalTrials.gov public records Last synced May 22, 2026, 5:43 AM EDT

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

Showing 1–15 of 15 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Post Inflammatory Hyperpigmentation Clear all
Completed Phase 4 Interventional Results available
View directory record Official record
Conditions
Acne Vulgaris
Interventions
Trifarotene Cream, Trifarotene Vehicle Cream
Drug
Lead sponsor
Galderma R&D
Industry
Eligibility
13 Years to 35 Years
Enrollment
123 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
22
States / cities
Fountain Valley, California • Fremont, California • San Diego, California + 15 more
Source: ClinicalTrials.gov public record
Updated Dec 19, 2023 · Synced May 22, 2026, 5:43 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Acne Vulgaris, Post Inflammatory Hyperpigmentation, Post Inflammatory Pigmentation Change, Erythema, Skin Scarring
Interventions
Tazarotene 0.045% Lotion
Drug
Lead sponsor
Dr. Emmy Graber
Other
Eligibility
18 Years to 45 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 29, 2023 · Synced May 22, 2026, 5:43 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Post Inflammatory Hyperpigmentation
Interventions
Pigment Balancing Peel, Discoloration Defense Serum, LHA Cleansing Gel, Hydrating B5 Gel, Daily Brightening Sunscreen
Other
Lead sponsor
Narrows Institute for Biomedical Research
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
Brooklyn, New York
Source: ClinicalTrials.gov public record
Updated Nov 23, 2025 · Synced May 22, 2026, 5:43 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Hyperpigmentation, Post-inflammatory Hyperpigmentation, Acne
Interventions
Topical Cetyl Tranexamate Mesylate
Other
Lead sponsor
Integrative Skin Science and Research
Industry
Eligibility
14 Years to 45 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Aug 27, 2024 · Synced May 22, 2026, 5:43 AM EDT
Terminated Phase 2 Interventional Results available
View directory record Official record
Conditions
Acne, Post Inflammatory Hyperpigmentation
Interventions
Liftactiv B3, Sunscreen
Drug · Other
Lead sponsor
University of Miami
Other
Eligibility
18 Years to 50 Years
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Apr 2, 2024 · Synced May 22, 2026, 5:43 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Postinflammatory Hyperpigmentation
Interventions
Straberi Epistamp
Device
Lead sponsor
Universal Skincare Institute
Other
Eligibility
21 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 5, 2023 · Synced May 22, 2026, 5:43 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Hyperpigmentation, Skin Ageing, Post Inflammatory Hyperpigmentation, Skin Roughness
Interventions
Brightening Treatment
Other
Lead sponsor
Revision Skincare
Industry
Eligibility
20 Years to 65 Years · Female only
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Mar 29, 2026 · Synced May 22, 2026, 5:43 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Healthy
Interventions
Patients treated with laser
Device
Lead sponsor
Henry Ford Health System
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 24, 2025 · Synced May 22, 2026, 5:43 AM EDT
Withdrawn Phase 2Phase 3 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Postinflammatory Hyperpigmentation
Interventions
Tranexamic Acid, Vehicle
Drug
Lead sponsor
Wayne State University
Other
Eligibility
18 Years to 65 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
1
States / cities
Dearborn, Michigan
Source: ClinicalTrials.gov public record
Updated May 15, 2023 · Synced May 22, 2026, 5:43 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Acne Scarring
Interventions
Fractionated Laser Resurfacing
Procedure
Lead sponsor
Henry Ford Health System
Other
Eligibility
18 Years to 59 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Mar 14, 2022 · Synced May 22, 2026, 5:43 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Post-inflammatory Hyperpigmentation
Interventions
Tricholoacetic Acid (TCA)
Drug
Lead sponsor
Henry Ford Health System
Other
Eligibility
18 Years to 100 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Mar 1, 2022 · Synced May 22, 2026, 5:43 AM EDT
Not listed Phase 4 Interventional
View directory record Official record
Conditions
Acne
Interventions
Clindamycin Phosphate 1.2% and Tretinoin 0.025% Gel
Drug
Lead sponsor
Callender Center for Clinical Research
Other
Eligibility
12 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
2
States / cities
Mitchellville, Maryland • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 19, 2010 · Synced May 22, 2026, 5:43 AM EDT
Completed Phase 4 Interventional Results available
View directory record Official record
Conditions
Acne Vulgaris, Post Inflammatory Hyperpigmentation
Interventions
Azelaic acid
Drug
Lead sponsor
Derm Research, PLLC
Other
Eligibility
12 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Sep 24, 2012 · Synced May 22, 2026, 5:43 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Post Inflammatory Hyperpigmentation
Interventions
Bakuchiol, Vehicle
Drug
Lead sponsor
Henry Ford Health System
Other
Eligibility
18 Years to 100 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Feb 18, 2025 · Synced May 22, 2026, 5:43 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Acne Vulgaris, Post Inflammatory Hyperpigmentation
Interventions
ONEXTON Topical Gel
Drug
Lead sponsor
Derm Research, PLLC
Other
Eligibility
12 Years and older
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Apr 1, 2019 · Synced May 22, 2026, 5:43 AM EDT