Topical tranexamic acid as a promising treatment for melasma.

In recent times, tranexamic acid (TA) is claimed to have whitening effects especially for ultraviolet-induced hyperpigmentation including melasma. The aim of our study was to evaluate the efficacy and safety of topical solution of TA and compare it with combined solution of hydroquinone and dexamethasone as the gold standard treatment of melasma in Iranian women.
This was a double-blind split-face trial of 12 weeks which was conducted in Isfahan, Iran. Fifty Iranian melasma patients applied topical solution of 3% TA on one side of the face, and topical solution of 3% hydroquinone + 0.01% dexamethasone on the other side two times a day. The Melasma Area and Severity Index (MASI) and the side effects were evaluated at baseline and every 4 weeks before and after photographs to be compared by a dermatologist were taken. The patient satisfaction was documented at week 12.
A repeated measurement analysis was used to evaluate the changes in the MASI score before and after treatments. A significant decreasing trend was observed in the MASI score of both groups with no significant difference between them during the study (P < 0.05). No differences were seen in patients' and investigator's satisfaction of melasma improvement between two groups (P < 0.05). However, the side effects of hydroquinone + dexamethasone were significantly prominent compared with TA (P = 0.01).
This study's results introduce the topical TA as an effective and safe medication for the treatment of melasma.
AuthorsBahareh Ebrahimi, Farahnaz Fatemi Naeini
JournalJournal of research in medical sciences : the official journal of Isfahan University of Medical Sciences (J Res Med Sci) Vol. 19 Issue 8 Pg. 753-7 (Aug 2014) ISSN: 1735-1995 [Print] India
PMID25422661 (Publication Type: Journal Article)

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