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The effect of 585 nm wavelength light light-emitting diodes (LED) photomodulation on the treatment of melasma: A prospective, open lable, randomized controlled trial

The effect of 585 nm wavelength light light-emitting diodes (LED) photomodulation on the treatment of melasma: A prospective, open lable, randomized controlled trial

Status
Active, not recruiting
Phases
Phase 3
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2000036372
Enrollment
Unknown
Registered
2020-08-22
Start date
2020-10-01
Completion date
Unknown
Last updated
2020-09-07

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

Conditions

melasma

Interventions

LED phototherapy group:LED 585nm wavelenth, power density 20mW/cm2,Treatment time:1000 seconds(Total energy density: 20J/cm2)
control group:Kligman–Willis formula (5% hydroquinone, 0.1%tretinoin, 0.1% dexamethasone)

Sponsors

Huashan Hospital, Fudan University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 65 Years

Inclusion criteria

Inclusion criteria: 1. Patients who sign informed consent and are willing to complete the study according to the protocol; 2. Patients aged 18-65 years with melasma; 3. Patients with Fitzpatrick skin type of III to IV.

Exclusion criteria

Exclusion criteria: 1. Patients with history of heart disease, liver disease and kidney disease; 2. patients with mental disorders or unable to cooperate with the treatment of patients; 3. Pregnant or lactating women; 4. Patients who had received topical treatment (2% hydroquinone cream, 0.025% tretinoin ointment, chemical stripping of fruit acid, topical and local injection of tranexamic acid) or oral tranexamic acid tablets within the first two weeks before inclusion in the study; 5. Patients with vitiligo or other pigmentation diseases or family history; 6. Patients who may be allergic to visible light; 7. Patients who may be allergic to hydroquinone or retinoic acid or topical dexamethasone; 8. Patients who participated in other clinical trials recently; 9. Patients who are not suitable for this trial which was judged by clinical trial researchers.

Design outcomes

Primary

MeasureTime frame
mMASI score;scores of brown spots;

Secondary

MeasureTime frame
Malanin Index;Erathema Index;transepidermal waterloss, TEWL;objective evaluation of clinical photographs;satisfaction rating from subjects;observation and recording of side effects;

Countries

China

Contacts

Public ContactChengfeng Zhang

Huashan hospital, Fudan University

e3dangdang@hotmail.com+86 13817629772

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026