Skip to content

A Comparative Study for Efficacy and Safety Between 4% Hydroquinone Cream With or Without Fractional Picosecond 1,064 nm Laser for the Treatment of Dermal or Mixed Type Melasma

A Comparative Study for Efficacy and Safety Between 4% Hydroquinone Cream With or Without Fractional Picosecond 1,064 nm Laser for the Treatment of Dermal or Mixed Type Melasma

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT03049059
Enrollment
30
Registered
2017-02-09
Start date
2016-06-01
Completion date
2017-02-01
Last updated
2017-02-09

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Melasma, Picoseconds Laser

Brief summary

A Comparative study for Efficacy and Safety Between 4% hydroquinone cream with or without Fractional Picosecond 1,064 nm Laser for the Treatment of Dermal or Mixed Type Melasma

Detailed description

Primary Objective: * To compare clinical efficacy by Modified MASI score between Fractional Picosecond 1,064 nm laser and daily application of 4% hydroquinone with 4% hydroquinone alone Secondary objectives * To compare the clinical endpoints of Mexameter Melanin Index, brownish spot and Ultraviolet spots by VISIATM complexion analysis, The Antera 3D® imaging technology for pigmentation, quality of life by Dermatology Life Quality Index and patient's satisfaction between Fractional Picosecond 1,064 nm laser and 4% hydroquinone with 4% hydroquinone alone

Interventions

Fractional Picosecond 1,064 nm laser and daily application with 4% hydroquinone cream

DRUG4% hydroquinone cream

Sponsors

Mae Fah Luang University Hospital
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
SINGLE (Outcomes Assessor)

Intervention model description

Randomized split face

Eligibility

Sex/Gender
FEMALE
Age
18 Years to 65 Years
Healthy volunteers
Yes

Inclusion criteria

* Female with melasma lesion on bilateral sides * Age between 18-65 years * Dermal or mixed type melasma, confirming by Wood's lamp test * Willing to participant in this study and signed in informed consent form

Exclusion criteria

* Pregnancy / lactation * Having an activity or working outside the building or unable to avoid heavy UV light * Allergic to UV sunscreen, topical anesthetics , topical corticosteroid or hydroquinone Treatment with laser or chemical peeling within 3 months * Treatment with Skin Lighting medication / food supplements within 4 weeks * Currently use of topical retinoid, hydroquinone or corticosteroid within 4 weeks * Use of whitening cream such as alpha arbutin, azelaic acid, kojic acid ascorbic acid or any cosmetics within 2 weeks * Uncontrolled medical illness include non-skin cancers, coagulopathy * Intra-cardiac device - pacemaker * Photosentive conditions such as diabetes, thyroid disease, liver and kidney disease and photosensitive dermatosis * Currently taking anticoagulant such as warfarin * Active skin infection or acute dermatitis at testes skin sites * Unable to follow and comply to the study protocol

Design outcomes

Primary

MeasureTime frame
Modified MASI scoreThe mean change from the baseline to week-12 visit
Proportion of subjects with at least 50% MASI score improvementfrom baseline to 12-week visit

Secondary

MeasureTime frame
Mexameter Melanin indexbaseline, week 4, week 8 and week 12
Global satisfaction score by Quartile rating scaleweek 4, week 8 and week 12
Quality of life by DLQIat week 12

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026