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Cell Biochem Biophys. 2015 Dec;73(3):701-6. doi: 10.1007/s12013-015-0627-3.

Low-Dose Topical 5-Aminolevulinic Acid Photodynamic Therapy in the Treatment of Different Severity of Acne Vulgaris.

Author information

1
Department of Dermatology, Wuxi No. 2 People's Hospital, Wuxi, 214001, China. 13915321981@163.com.
2
Department of Dermatology, Wuxi No. 2 People's Hospital, Wuxi, 214001, China.
3
Department of Dermatology, Wuxi No. 2 People's Hospital, Wuxi, 214001, China. yanglijia726@163.com.

Abstract

The objective of this article is to investigate the effectiveness and safety of photodynamic therapy (PDT) with 3.6 % topical aminolevulinic acid (ALA) and a short incubation time with red light in moderate to severe acne. One hundred and thirty-six patients with moderate to severe acne were treated with 3.6 % topical ALA-PDT for three sessions with an interval of 2 weeks. Patients were evaluated for efficacy and safety on week 2, 4, 6, 8, and 12 after the initial treatment. Most patients showed apparent clearance of acne lesions at the treated site after three sessions. The effective treatment rates were increased after the multiple therapies. The clinical outcomes are the best at 4 weeks after the final treatment. The total effectiveness rate and cure rate of the low-dose ALA-PDT procedure is 92.65 and 47.06 %, respectively. Thirty-one patients and nineteen patients showed apparent exacerbation of acne lesions before the 2nd and 3rd treatment, respectively, but all of them showed good or excellent improvement after a three-course treatment. A few patients showed mild relapse including papules and comedos at 8 weeks after the final treatment. No significant differences are found in the effects of different acne severity and different genders. Adverse reactions are mild and transient. A 3.6 % topical ALA-PDT with a short time incubation with red light is a simple and an effective treatment option for moderate to severe acne with mild side effects in Chinese people.

KEYWORDS:

Acne vulgaris; Aminolevulinic acid; Different severity; Photodynamic

PMID:
27259313
DOI:
10.1007/s12013-015-0627-3
[Indexed for MEDLINE]

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