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Efficacy and Safety of Using Combination of 755-nm Picosecond Alexandrite Laser and 2% Hydroquinone Compared With 2% Hydroquinone Alone for the Treatment of Melasma: a Randomized Split-face Controlled Trial

Efficacy and Safety of Using Combination of 755-nm Picosecond Alexandrite Laser and 2% Hydroquinone Compared With 2% Hydroquinone Alone for the Treatment of Melasma: a Randomized Split-face Controlled Trial

Status
UNKNOWN
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT04597203
Enrollment
20
Registered
2020-10-22
Start date
2020-10-31
Completion date
2021-02-28
Last updated
2020-10-23

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

Conditions

Melasma

Brief summary

This study aims to assess the efficacy and safety of using combination of 755-nm picosecond alexandrite laser and 2% hydroquinone compared with 2% hydroquinone alone for the treatment of melasma: A randomized split-face controlled trial

Interventions

DEVICE755-nm picosecond alexandrite laser with topical 2% hydroquinone

treatment one side of the face with 755-nm picosecond alexandrite laser with topical 2% hydroquinone

DRUGtopical 2% hydroquinone

treatment one side of the face with topical 2% hydroquinone

Sponsors

Mahidol University
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
DOUBLE (Investigator, Outcomes Assessor)

Eligibility

Sex/Gender
ALL
Age
18 Years to 60 Years
Healthy volunteers
Yes

Inclusion criteria

* Both male and female age 18-60 years * Melasma on both cheeks - epidermal or mixed type * Fitzpatrick Skin type III-V

Exclusion criteria

* History of retinoid or other keratolytic drugs used within 6 months before enrolled * History of keloid * photosensitivity * Immunocompromised host

Design outcomes

Primary

MeasureTime frameDescription
Melanin index measured by Mexameter® - comparing between Picosecond laser 755 nm with 2%HQ and 2%HQ alone for treatment of melasma6 monthsmeasuring in au
Patient satisfaction quartile score - comparing between Picosecond laser 755 nm with 2%HQ and 2%HQ alone for treatment of melasma6 monthsscore 0 -100%
Physician evaluation quartile score - comparing between Picosecond laser 755 nm with 2%HQ and 2%HQ alone for treatment of melasma6 monthsscore 0 -100%
Modified melasma area and severity index score(mMASI) - comparing between Picosecond laser 755 nm with 2%HQ and 2%HQ alone for treatment of melasma of using combination of 755-nm picosecond alexandrite laser and 2% hydroquinone6 monthsscore range 0-24
Average melanin measured by Antera3D® - comparing between Picosecond laser 755 nm with 2%HQ and 2%HQ alone for treatment of melasma6 monthsmeasuring in au

Secondary

MeasureTime frameDescription
Safety of using 2% hydroquinone6 monthsside effect of topical 2%Hydroquinone use
Safety of using combination of 755-nm picosecond alexandrite laser6 monthsMonitor side effect from picesecond alexandrite laser

Countries

Thailand

Contacts

Primary Contactworaphong Manuskiatti, M.D.
doctorlaser@gmail.com02-419-1000
Backup ContactChadakan Yan, M.D.
chadakanyan4090@gmail.com66882334090

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 11, 2026