Berdazimer gel for molluscum contagiosum in patients with atopic dermatitis

Amy S. Paller, Lawrence J. Green, Nanette Silverberg, Stephen Stripling, Martina Cartwright, Carolyn Enloe, Nick Wells, Elaine Kearney Kowalewski, Tomoko Maeda-Chubachi

Research output: Contribution to journalArticlepeer-review

Abstract

Objective: Controlling molluscum contagiosum (MC) infections is critical in atopic dermatitis (AD) management. This post hoc analysis assessed the efficacy and safety of berdazimer gel, 10.3% (topical, antiviral, nitric oxide–releasing medication) versus vehicle in MC patients with or without AD. Methods: Three Phase 3, multicenter, randomized, double-blind, vehicle-controlled, parallel-group trials (B-SIMPLE[berdazimer sodium in molluscum patients with lesions]1, −2, −4) enrolled patients 6 months and older with 3–70 mollusca. Berdazimer or vehicle was applied once daily to all MC lesions for 12 weeks. Data from three Phase 3 studies were integrated for subgroup efficacy and safety assessments using several weighted meta-analysis approaches. Patients with concurrent AD or a history of AD/eczema were categorized as AD+ subgroup (AD− when absent). Primary efficacy endpoint: complete lesion clearance at Week 12. Safety endpoints included adverse events (AEs) through Week 24 and local skin reactions through Week 12. Results: Of 1598 enrolled patients, 209 (13.1%) were AD+. Baseline mean lesion counts were greater in AD+ (26.4) than AD− (19.3). Complete clearance rates were higher at Week 12 for berdazimer compared with vehicle in AD+ (n = 209; 35.0% vs. 27.4%; odds ratio [OR], 1.3; 95% CI, 0.7–2.5) and AD− (n = 1389; 29.1% vs. 18.9%; OR 1.8; 95% CI 1.4–2.4) subgroups. AEs in AD+ were application-site pain (21.6% with berdazimer vs. 11.9% with vehicle), dermatitis (12.8% vs. 2.4%), and erythema (9.6% vs. 7.1%). Conclusions: Berdazimer gel showed favorable efficacy regardless of AD status. Berdazimer-induced erythema may be indistinguishable from AD symptoms or with inflammatory response upon resolution of molluscum.

Original languageEnglish
JournalPediatric Dermatology
DOIs
StateAccepted/In press - 2024

Keywords

  • atopic dermatitis
  • berdazimer
  • molluscum contagiosum
  • nitric oxide
  • pediatrics
  • topical administration

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