DOI: 10.1093/bjd/ljad162.014 ISSN: 0007-0963

388 Efficacy and safety of roflumilast foam 0.3% in patients with seborrheic dermatitis in a phase 3 trial: assessment of pruritus

Andrew Blauvelt, Zoe D Draelos, Melinda  Gooderham, Edward Lain, Angela Y Moore, Kim A Papp, Matthew Zirwas, David Krupa, Patrick Burnett, David R Berk, David H Chu
  • Dermatology


Itch is a major complaint among patients with seborrheic dermatitis (SD). Roflumilast is a selective, nonsteroidal, highly potent phosphodiesterase-4 inhibitor under investigation as a once-daily foam for treatment of SD. This phase 3 randomized, parallel-group, double-blind, vehicle-controlled trial (NCT04973228) was conducted in patients ≥9 years old with at least moderate SD affecting scalp and/or nonscalp areas. Patients were randomized 2 : 1 to apply once-daily roflumilast foam 0.3% (n = 304) or vehicle (n = 153) for 8 weeks. The primary efficacy endpoint was Investigator Global Assessment (IGA) success (IGA of Clear or Almost Clear plus ≥2-grade improvement from baseline) at Week 8. Secondary efficacy endpoints included Worst Itch Numeric Rating Scale (WI-NRS), which was completed daily by patients. Safety and local tolerability were also evaluated. Overall, significantly more roflumilast-treated patients than vehicle-treated patients achieved IGA success (79.5% vs. 58.0%; P < 0.0001) and IGA status of Clear (50.6% vs. 27.7%; P < 0.0001) at Week 8. Significantly greater percentages of roflumilast- than vehicle-treated patients had ≥4-point improvement on WI-NRS at Weeks 2 (32.7% vs. 15.5%; P = 0.0016), 4 (47.6% vs. 29.1%; P = 0.0007) and 8 (62.8% vs. 40.6%; P = 0.0001). Greater improvement in itch was observed among roflumilast-treated patients as early as 48 h after the first application (mean percent change from baseline: −27.87% vs. −13.11%; nominal P = 0.0024). Local tolerability and safety were favorable. Once-daily roflumilast foam provided improvement across multiple efficacy endpoints including rapid itch improvement, while demonstrating favorable safety and tolerability.

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