Pulsed-dye laser as an adjuvant treatment for papulopustular eruptions from epidermal growth factor receptor inhibitors, a randomized blinded split-faced controlled trial

Pawinee Rerknimitr, Yada Suphankong, Ratchathorn Panchaprateep, Stephen J Kerr, Pravit Asawanonda
Lasers in Surgery and Medicine 2019 March 7

OBJECTIVES: To investigate the efficacy of pulsed-dye laser (PDL) as an adjunctive treatment for facial papulopustular eruptions from EGFR inhibitors (EGFRi).

METHODS: Fourteen patients with facial acneiform eruptions were recruited. Half side of the face was randomized to receive PDL treatment while the other side served as a control. The treatments were delivered every 2 weeks for 4 sessions. The patients were seen at baseline, weeks 2, 4, 6, 8, and 10. Erythema index (EI) measured by colorimeter, the papulopustular lesion count and physician global assessment (PGA) were obtained. Patients were allowed to use their standard treatments for their eruptions.

RESULTS: Both arms had a significant decrease in EI from baseline at each subsequent visit. In the laser treated side, the mean (95%CI) EI decreased from 23.5 (22.24-24.76) at baseline to 16.3 (15.01-17.59) at week 10, while those of the sham were 23.49 (22.23-24.75) to 20.51 (19.22-21.8), respectively. The mean change was significantly lower in the PDL arm from week 4 onwards. The lesion counts in both groups also decreased significantly, but the mean difference between the arms was not different. PGA scores followed the same pattern as EI.

CONCLUSIONS: Adjunctive treatment with PDL was a safe and effective treatment. Lasers Surg. Med. © 2019 Wiley Periodicals, Inc.

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