Assessing Patients' Satisfaction With Hydrogen Peroxide Topical Solution, 40% for Treatment of Raised Seborrheic Keratoses.

Objectives: Assess participants’ satisfaction following treatment with a proprietary hydrogen peroxide topical solution 40%, w/w (HP40) for raised seborrheic keratoses (SKs).

Methods: In this Phase 4, open-label study, eligible participants aged 30–75 years had clinically typical raised SKs including 2 target SKs (Physician’s Lesion Assessment™ [PLA] grade of ≥2 [0 = clear; 1 = near clear; 2 = thin (≤1 mm); 3 = thick (>1 mm)]; 5–15 mm diameter) on the face and 1 target SK on the neck or décolletage. SKs received HP40 treatment on day 1. All SKs with PLA grade ≥1 were retreated on days 15 and 29. Endpoints included patients’ satisfaction with their skin’s appearance at day 113, relationships between patients’ satisfaction and lesion PLA grade (evaluated by chi-square test), and patients’ satisfaction with their treatment experience.

Results: Forty-one patients (mean [range] age, 62.4 [46–73] years) completed the study. 95% of patients were at least moderately satisfied with their skin’s appearance and 90.2% of target lesions were clear. A statistically significant association was observed between the number of target lesions achieving clearance and patients’ satisfaction with skin appearance level (χ2=22.03; P=0.001). 93% of patients were at least moderately satisfied with their HP40 treatment experience. Eight patients experienced treatment-emergent adverse events (TEAEs), most of which were mild or moderate; 4 experienced TEAEs considered treatment-related.

Conclusions: Most patients with SKs on the face, neck, and décolletage were satisfied or very satisfied with both their skin’s appearance and their treatment experience following HP40 treatment. These results support the use of HP40 for raised SKs. J Drugs Dermatol. 2020;19(12): doi:10.36849/JDD.2020.4974.