The efficacy and safety of non-pharmacological therapies for the treatment of acne vulgaris: A systematic review and best-evidence synthesis

F.M.C. de Vries*, Audrey Meulendijks, R.J.B. Driessen, A.A. van Dooren, E.P.M. Tjin, P.C.M. van de Kerkhof

*Corresponding author for this work

Research output: Contribution to journal(Systematic) Review article peer-review

Abstract

Background: Acne vulgaris is a multifaceted skin disorder, affecting more than 85% of young individuals worldwide. Pharmacological therapy is not always desirable because of the development of antibiotic resistance or the potential risk of adverse effects. Non-pharmacological therapies can be viable alternatives for conventional therapies. However, sufficient evidence-based support in the efficacy and safety of non-pharmacological therapies is lacking. Objective: To assess the efficacy and safety of several non-pharmacological therapies in the treatment of acne vulgaris. Methods: A systematic literature review, including a best-evidence synthesis, was performed to identify literature. Three electronic databases were accessed and searched for studies published between January 2000 and May 2017. Results: Thirty-three eligible studies were included in our systematic review. Three main types of non-pharmacological therapies were identified laser- and light-based therapies, chemical peels and fractional microneedling radiofrequency. The majority of the included studies demonstrated a significant reduction in acne lesions. However, only seven studies had a high methodologic quality. Based on these seven trials, a best-evidence synthesis was conducted. Strong evidence was found for glycolic acid (10–40%). Moderate evidence was found for amino fruit acid (20–60%), intense pulsed light (400–700 and 870–1200 nm) and the diode laser (1450 nm). Initially, conflicting evidence was found for pulsed dye laser (585–595 nm). The most frequently reported side-effects for non-pharmacological therapies included erythema, tolerable pain, purpura, oedema and a few cases of hyperpigmentation, which were in most cases mild and transient. Conclusion: Circumstantial evidence was found for non-pharmacological therapies in the treatment of acne vulgaris. However, the lack of high methodological quality among included studies prevented us to draw clear conclusions, regarding a stepwise approach. Nevertheless, our systematic review including a best-evidence synthesis did create order and structure in resulting outcomes in which a first step towards future research is generated.

Original languageEnglish
JournalJournal of the European Academy of Dermatology and Venereology
Volume32
Issue number7
Publication statusPublished - 14 Feb 2018
Externally publishedYes

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