Breakthrough in Melasma Treatment: Q-switched Nd:YAG Laser Emerges as Top Choice

Melasma, a challenging hyperpigmentation disorder, often poses therapeutic dilemmas due to its intricate pathogenesis, recurrence tendencies, and substantial morbidity impact. In a bid to revolutionize treatment outcomes, a comprehensive network meta-analysis (NMA) has scrutinized various laser-related therapies, shedding light on the most effective approaches for managing melasma.

This study was published in Journal Of Cosmetic Dermatology by Wenyi and colleagues. A comprehensive meta-analysis of 39 clinical studies, involving 1394 participants, has shed light on the most effective laser-related therapies for treating melasma. The study compared various approaches, revealing that Q-switched Nd:YAG laser with topical medications (QSND+TM) stands out as the top choice, significantly improving the melasma area severity index (MASI) score. Other notable contenders include oral tranexamic acid (oTA), microneedling with topical medications (MN+TM), Q-switched Nd:YAG laser with intense pulse light (QSND+IPL), and fractional carbon dioxide laser with topical medications (FCDL+TM).

  • Q-switched Nd:YAG Laser Dominates:

Superior Efficacy: The NMA unequivocally establishes the supremacy of Q-switched Nd:YAG laser with topical medications (QSND+TM). Its efficacy outshines Q-switched Nd:YAG laser alone, Er:YAG laser with topical medications, and picosecond laser with topical medications.

Significant Improvement: QSND+TM led to a notable decrease in the melasma area severity index (MASI) score, highlighting its prowess in addressing hyperpigmentation.

  • Microneedling Excels:

Effective Combination: Microneedling with topical medications (MN+TM) emerges as a formidable contender, surpassing picosecond laser and standalone topical medications.

Enhanced Curative Efficacy: MN+TM demonstrates superiority in improving the MASI score, presenting itself as a promising choice for melasma treatment.

  • Surface Under the Cumulative Ranking Curve (SUCRA) Rankings:

QSND+TM claims the top spot with an impressive SUCRA value of 85.9%, indicating its high efficacy.

Other noteworthy contenders include oral tranexamic acid (oTA), MN+TM, QSND+IPL, and fractional carbon dioxide laser with topical medications (FCDL+TM).

  • Clinical Recommendations:

First-Line Choice: The study recommends Qs-Nd:YAG laser with topical medications as the primary therapeutic choice, considering its top-ranking SUCRA value and significant efficacy.

Preferred Combination: MN+TM stands out as the superior choice among modalities like PICO and standalone topical medications, emphasizing its potential for enhancing curative outcomes.

  • Considerations for Clinical Decision-Making:

Adverse Effects: Clinical decisions should weigh the adverse effects of each modality, ensuring a tailored approach to patient care.

Patient Characteristics: The patient’s skin type, duration of the disease, and other relevant factors should inform the selection of the most suitable treatment strategy.

This meta-analysis not only advances our understanding of melasma treatment but provides clinicians with a roadmap for precision care. Armed with these insights, dermatologists can navigate the complex landscape of melasma therapeutics, offering patients tailored solutions for improved outcomes.

Reference:

Ma, W., Gao, Q., Liu, J., Zhong, X., Xu, T., Wu, Q., Cheng, Z., Luo, N., & Hao, P. Efficacy and safety of laser‐related therapy for melasma: A systematic review and network meta‐analysis. Journal of Cosmetic Dermatology,2023;22(11):2910–2924. https://doi.org/10.1111/jocd.16006 

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