participant with melasma 640-nm light-emitting diode, Melasma
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Age 18 years and older, both male and female. 2. Asian individuals with Fitzpatrick Skin Type III-V. 3. Diagnosed with melasma by the physician. 4. Have melasma on both sides of the face. 5. Patients who consent to participate in the project voluntarily and agree to receive treatment with a light-emitting diode at the positions specified in the research protocol.
Exclusion criteria
Exclusion criteria: 1. Participants who are pregnant or breastfeeding. 2. Participants with inflammatory skin rashes, wounds, or infections on the face. 3. Participants with light-sensitive rashes such as various photodermatitis, lupus erythematosus, and those with a history of skin cancer on the face. 4. Participants who have used hormones or contraceptives within the last 3 months. 5. Participants who have been treated for melasma with topical or oral medications within the last 3 months. 6. Participants who have been treated for melasma with facial laser treatments within the last 3 months. 7. Participants who have been treated with platelet-rich plasma injections within the last 12 months. 8. Participants who have received facial injections to stimulate collagen or reduce hyperpigmentation, such as polycaprolactone, hyaluronic acid, polydioxanone, poly-L-lactic acid, or calcium hydroxyapatite within the last 12 months. 9. Participants with severe chronic illnesses such as advanced-stage cancer or end-stage renal failure. 10. Participants diagnosed with a mental disorder by a psychiatrist. 11. Participants who do not consent to having photographs taken for treatment assessment
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Average melanin concentration Baseline, treatment 6 (2 weeks after start treatment), 1-,3- and 6 months after treatment antera,Average erythema concentration Baseline, treatment 6 (2 weeks after start treatment), 1-,3- and 6 months after treatment antera,melanin level Baseline, treatment 6 (2 weeks after start treatment), 1-,3- and 6 months after treatment mexameter,erythema level Baseline, treatment 6 (2 weeks after start treatment), 1-,3- and 6 months after treatment mexameter | — |
Secondary
| Measure | Time frame |
|---|---|
| physician assessment score Baseline, treatment 6 (2 weeks after start treatment), 1-,3- and 6 months after treatment photo,patient assessment score Baseline, treatment 6 (2 weeks after start treatment), 1-,3- and 6 months after treatment global aesthetic improvement score,Modified Melasma area and severity index score (mMASI score) Baseline, treatment 6 (2 weeks after start treatment), 1-,3- and 6 months after treatment Modified Melasma area and severity index score (mMASI score) ,adverse event Baseline, treatment 6 (2 weeks after start treatment), 1-,3- and 6 months after treatment note,pain score treatment sessions visual analog score | — |
Countries
Thailand
Contacts
Faculty of Medicine Siriraj Hospital, Mahidol University