Efficacy of Tranexamic Acid Containing Oral Medication on Melasma
2011
Background: Melasma causes considerable cosmetic disfigurement and none of the existing treatment modalities are satisfactory. Recently tranexamic acid has been reported to reduce hyperpigmentation in patients with melasma. Objective: The purpose of the study was to evaluate the efficacy and safety of tranexamic acid containing oral medication for the treatment of melasma. Methods: Forty-five female volunteers who had been diagnosed with melasma were enrolled in the present study. Patients were instructed to take medication for 8 weeks. The melanin index (MI) and erythema index (EI) were measured at baseline, and at 4 and 8 weeks. The melasma area and severity index (MASI) was scored at 0, 4, and 8 weeks. Self-satisfaction and safety evaluations were also performed at each visit. Results: The mean MI measured on the lesional skin was decreased at 4 and 8 weeks compared with baseline (p 80% of patients were satisfied with the medication. Adverse effects were minimal and two patients dropped out of the study due to drug-related urticaria and unexpected pregnancy. Conclusion: Tranexamic acid-containing oral medication is an effective and safe therapeutic modality for the treatment of melasma. (Korean J Dermatol 2011;49(7):565∼571)
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