Journal of drugs in dermatology : JDD · 2020
Randomized, Double-Blinded, Split-Face Study Comparing the Efficacy and Tolerability of Two Topical Products for Melasma.
Equivalence TrialСтатьяРандомизированное исследованиеНазвание и аннотация: Перевод пока не подготовлен
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Kaufman Bridget P, Alexis Andrew F
Аннотация
BACKGROUND: Melasma is a common disorder of hyperpigmentation that disproportionately affects individuals with skin of color. There is a paucity of studies evaluating non-hydroquinone (HQ) topical therapies for the treatment of melasma in darker skin types.
OBJECTIVE: To compare the safety, efficacy, and tolerability of a HQ-free, retinol-free cosmetic topical brightener (CTB) and HQ 4% in the treatment of moderate symmetric facial melasma in patients with Fitzpatrick skin types (FST) III–VI. Methods & Materials: This was a randomized, double-blinded, split-face clinical trial. Eighteen adult patients with facial melasma were treated with CTB and HQ 4%, each to a different side of the face, twice daily for 12 weeks. Clinical assessments included half-face Melasma Area Severity Index (MASI), Overall Hyperpigmentation scale, and Melasma Severity Rating Scale (MSRS). Patients completed a Melasma Quality of Life (MelasQoL) questionnaire and clinical photographs were taken at each visit.
RESULTS: CTB and HQ 4% demonstrated statistically significant improvements in half-face MASI, Overall Hyperpigmentation, MSRS and MelasQol compared to baseline. HQ 4% showed statistically significant improvements in MSRS at week 12 compared to CTB, but was non-superior for all other clinical endpoints.
CONCLUSION: HQ-free, retinol-free CTB and HQ 4% both are effective and well-tolerated in the treatment of moderate facial melasma in FST III–VI. J Drugs Dermatol. 2020;19(9):822-827. doi:10.36849/JDD.2020.5353.
OBJECTIVE: To compare the safety, efficacy, and tolerability of a HQ-free, retinol-free cosmetic topical brightener (CTB) and HQ 4% in the treatment of moderate symmetric facial melasma in patients with Fitzpatrick skin types (FST) III–VI. Methods & Materials: This was a randomized, double-blinded, split-face clinical trial. Eighteen adult patients with facial melasma were treated with CTB and HQ 4%, each to a different side of the face, twice daily for 12 weeks. Clinical assessments included half-face Melasma Area Severity Index (MASI), Overall Hyperpigmentation scale, and Melasma Severity Rating Scale (MSRS). Patients completed a Melasma Quality of Life (MelasQoL) questionnaire and clinical photographs were taken at each visit.
RESULTS: CTB and HQ 4% demonstrated statistically significant improvements in half-face MASI, Overall Hyperpigmentation, MSRS and MelasQol compared to baseline. HQ 4% showed statistically significant improvements in MSRS at week 12 compared to CTB, but was non-superior for all other clinical endpoints.
CONCLUSION: HQ-free, retinol-free CTB and HQ 4% both are effective and well-tolerated in the treatment of moderate facial melasma in FST III–VI. J Drugs Dermatol. 2020;19(9):822-827. doi:10.36849/JDD.2020.5353.