Melasma Clinical Trial
Official title:
Fractional co2 Laser Followed by Either Vitamin c or Tranexamic Acid in Treatment of Melasma. Asplit Face Dermoscopic and Clinical Study.
The aim of the study: 1.To compare the efficacy and safety of fractional CO2 laser in combination with vitamin c and tranexamic acid in the treatment of melasma. 2 .To assess the value of dermoscope in measuring of the response to treatment in melasma patients compared to clinical scoring.
Melasma is a chronic dermatologic condition defined by hyperpigmented macules and patches that appear in areas of sun exposure . Traditionally, the mainstays of treatment for melasma have been topical bleaching agents and strict photoprotection. Additional adjuvant treatment modalities include chemical peels, dermabrasion, and laser treatments, all of which have demonstrated limited efficacy. There has been an interest in studying the effects of vitamin c and tranexamic acid in melasma. The development of fractional resurfacing has led to improvements to melasma treatment with decreased incidence of post-inflammatory hyperpigmentation; these improvements are due to the enhanced healing times and decreased inflammation as a result of the formation of microscopic columns of tissue destruction. These microscopic columns of damaged tissue are surrounded by areas of normal tissue, allowing for shorter migratory paths for the healing keratinocytes. ;
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