Clinical Efficacy and Patient Reported Impacts of Roflumilast Foam 0.3% in Seborrheic Dermatitis: An Analysis of STRATUM Data for Patients Unresponsive or Intolerant to Topical Corticosteroids

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David Chu
Brett Stephenson
Jeff Lee
Breyanne Bannister
Conor Hickey
Tracy Westley
Matthew Zirwas


roflumilast foam 0.3%, seborrheic dermatitis, Investigator Global Assessment, quality of life, steroid intolerance


Objective. Roflumilast foam 0.3% has demonstrated efficacy and tolerability in a Phase 3 clinical trial of moderate-to-severe seborrheic dermatitis (SD) patients (STRATUM). The aim of this subgroup analysis is to assess the efficacy and patient-reported quality of life (QOL) effects of roflumilast vs vehicle in patients with an inadequate response, intolerance, or contraindication to topical corticosteroids (TCS).

Methods: Patients 9 years or older with at least moderate seborrheic dermatitis (Investigator Global Assessment [IGA] ≥ 3) were randomized 2:1 to roflumilast or vehicle for 8 weeks. Patients reporting a history of inadequate response, intolerance, or contraindication to topical corticosteroids (TCS) were included in this subgroup analysis. The primary efficacy endpoint was IGA success (Clear or Almost Clear with at least a 2-grade improvement) at Week 8. QOL was assessed using the Dermatology Life Quality Index (DLQI) for patients aged ≥17 years. QOL endpoints included percentage change from baseline in DLQI score, achievement of a minimal important difference (MID; defined as at least a 4-point reduction in DLQI score), and patients achieving a DLQI score of 0 or 1 by treatment group at weeks 2, 4, and 8. Differences in change from baseline DLQI scores were assessed using the Kruskal-Wallis rank sum test. The Cochran–Mantel–Haenzel test was used to assess differences in the proportion of patients achieving binary endpoints between treatments.

Results: 189 patients (129 roflumilast, 60 vehicle) were included in the subgroup analysis. At Week 8, 78.8% of roflumilast patients achieved IGA success vs. 48.3% of vehicle patients (odds ratio [OR] 3.45; 95% confidence interval [CI]: 1.62, 7.36; p<0.001). At each time point, percentage change from baseline in DLQI score was significantly larger for roflumilast-treated patients relative to vehicle (p≤0.001).  Treatment with roflumilast significantly increased the odds of achieving an MID in DLQI across all time points (OR: 6.97; 95% confidence interval [CI]: 3.97, 12.24; p<0.001) and achieving a DLQI score of 0 or 1 (OR: 2.46; 95% CI: 1.58, 3.81; p<0.001).

Conclusions: Roflumilast foam 0.3% provided significant and meaningful efficacy with improved QOL in patients with moderate-to-severe SD who had a prior history of an inadequate response, intolerance, or contraindication to TCS. Clinical improvement aligned with patient-reported outcomes at all key assessment periods.


1. Dall'Oglio F, et al. Clin Cosmet Investig Dermatol . 2022 Aug 6;15:1537 1548. 2. Arcutis Biotherapeutics, Inc.. Data on file, 2023.

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