An out-of-office therapeutic agent indicated for molluscum contagiosum (MC) is needed.
To assess the efficacy and safety of berdazimer gel, 10.3% (a topical, antiviral, nitric oxide-releasing medication) versus vehicle.
Berdazimer gel, 10.3% or vehicle was applied once daily to all MC lesions for 12 weeks in patients ≥ 6 months with 3-70 mollusca. Efficacy assessment: complete lesion clearance and partial clearance at week 12. Safety and tolerability assessment: adverse events through week 24 and local skin reactions through week 12.
There were 1598 patients enrolled (n=917 berdazimer, n=681 vehicle). Berdazimer was superior to vehicle at week 12 in complete clearance rates, 30.0% vs. 19.8% (odds ratio, 1.75; 95% CI, 1.38 to 2.23, P < .001). Subgroup analyses of primary efficacy showed consistent favorable efficacy for berdazimer across most subgroups, including age, sex, baseline lesion count, and disease duration. Berdazimer provided favorable outcome for partial clearance. Application-site pain (18.7% vs. 4.8% in berdazimer vs. vehicle) and erythema (11.7% vs. 1.3%), mostly mild to moderate, were the most common local skin reactions.
B-SIMPLE trials enrolled only United States patients; no efficacy assessments beyond week 12.
Berdazimer gel, 10.3% showed favorable efficacy and safety across subgroups.

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