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Clinical efficacy of a 308 nm excimer laser in the treatment of vitiligo

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Abstract:

Objective:

To investigate the clinical efficacy and safety of the treatment of vitiligo using a 308 nm excimer laser. Method:

Thirty-six patients with 44 vitiligo patches were treated using a 308 nm excimer laser, which was performed twice a week, for a total of 30 treatments. The therapeutic efficacy and safety were then evaluated. Results:

After 30 treatments:

(1) 27/44 patches (61.4%) achieved more than 75% repigmentation, 4/44 lesions (9.1%) showed 51–75% repigmentation, 10/44 (22.7%) showed 26–50% repigmentation and 3/44 (6.8%) showed 1–25% repigmentation.

(2) Of the 44 patches of vitiligo, 20/27 (74.1%) lesions on the face/neck, 9/9 (100%) on the trunk and 2/8 (25.0%) on the extremities showed ≥50% repigmentation. The repigmentation (≥50%) in face/neck and trunk were much higher than that in the extremities (P<0.05).

(3) The repigmentation (≥50%) in disease duration of ≤2 years and >2 years were 100.0% and 46.2% (P<0.05).

(4) The average cumulative doses in the face/neck, trunk and extremities were 7.92±5.26, 9.93±7.36 and 22.13±8.15 J/cm2. The doses in the face/neck and trunk were much lower than those in the extremities. (P<0.05). Side effects were limited mainly to symptomatic erythema. Conclusion:

The clinical data indicate that the treatment of vitiligo using a 308 nm excimer laser is safe and effective. However, lesion location and disease duration may be the key factors affecting the clinical outcome.

Keywords: 308 nm; excimer laser; vitiligo

Document Type: Research Article

DOI: http://dx.doi.org/10.1111/j.1600-0781.2010.00509.x

Affiliations: Department of Dermatology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China

Publication date: June 1, 2010

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