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Journal Article
Review
Systematic Review
Photodynamic therapy for the treatment of different severity of acne: A systematic review.
Photodiagnosis and Photodynamic Therapy 2016 June
INTRODUCTION: Acne, a disease of pilosebaceous unit, is a common dermatologic disorder affecting about 80%-95% of people in both genders in adulthood. The available treatment options are conventional topical and/or oral medications, which are associated with adverse effects, partial response only, contraindications and reoccurrences. This necessitates the need for the introduction of novel treatment for improving acne lesions.
OBJECTIVE: The aim of writing this review is to provide evidence-based information regarding safety and efficacy of PDT in treating acne lesions.
METHOD: The search term 'Acne and PDT' were entered into a search of the National Library of Medicine's PubMed Database. The search returned a total of 143 sources among which 36 studies pertaining to the use of PDT in acne are included in this review article.
RESULT: 36 clinical trials were selected among which 24 trials were performed to see the effect of PDT in acne whereas 12 trials compared the effect of PDT with light or laser alone therapy. Among 24 trials that used PDT only, 3 were clinical trials with control, 14 were clinical trials without control, 6 were randomized controlled trials (RCT) and 1 was retrospective study. On the basis of results of these trials, it is seen that PDT is safe and effective method of treatment for acne lesions. Studies have shown that PDT can control both inflammatory and non-inflammatory acne lesions and can improve all severity of lesions from mild to severe.
CONCLUSION: Photodynamic therapy (PDT) has been extensively studied and found to be effective treatment modality for acne lesions. However, more RCTs are needed to establish standard guidelines regarding concentrations and incubation period of photosensitizers and optimal parameters of light sources. Further studies are needed to guide future research and help dermatologist to choose PDT as an effective treatment modality for treating acne lesions.
OBJECTIVE: The aim of writing this review is to provide evidence-based information regarding safety and efficacy of PDT in treating acne lesions.
METHOD: The search term 'Acne and PDT' were entered into a search of the National Library of Medicine's PubMed Database. The search returned a total of 143 sources among which 36 studies pertaining to the use of PDT in acne are included in this review article.
RESULT: 36 clinical trials were selected among which 24 trials were performed to see the effect of PDT in acne whereas 12 trials compared the effect of PDT with light or laser alone therapy. Among 24 trials that used PDT only, 3 were clinical trials with control, 14 were clinical trials without control, 6 were randomized controlled trials (RCT) and 1 was retrospective study. On the basis of results of these trials, it is seen that PDT is safe and effective method of treatment for acne lesions. Studies have shown that PDT can control both inflammatory and non-inflammatory acne lesions and can improve all severity of lesions from mild to severe.
CONCLUSION: Photodynamic therapy (PDT) has been extensively studied and found to be effective treatment modality for acne lesions. However, more RCTs are needed to establish standard guidelines regarding concentrations and incubation period of photosensitizers and optimal parameters of light sources. Further studies are needed to guide future research and help dermatologist to choose PDT as an effective treatment modality for treating acne lesions.
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