Direct and Indirect Effects of Crisaborole Ointment on Quality of Life in Patients with Atopic Dermatitis: A Mediation Analysis
DOI:
https://doi.org/10.2340/00015555-3181Keywords:
crisaborole, atopic dermatitis, quality of life, mediation, pruritusAbstract
Crisaborole ointment is a nonsteroidal phosphodiesterase 4 inhibitor for the treatment of mild to moderate atopic dermatitis. Using pooled data from two phase 3 studies (NCT02118766/NCT02118792), mediation modeling determined the interrelationship among pruritus, quality of life (QoL), and treatment. Patients aged ??2 years received crisaborole ointment 2% or vehicle twice daily for 28 days. QoL measures were Dermatology Life Quality Index (DLQI) (??16 years) and Children?s Dermatology Life Quality Index (CDLQI) (2?15 years). Pruritus was assessed by the Severity of Pruritus Scale (4-point scale from 0 to 3). The indirect effect of crisaborole on QoL mediated through its effect on pruritus was 51% (DLQI model, p?<?0.05) and 72% (CDLQI model, p?<?0.05). Direct effect (other effects) on QoL was 49% (DLQI model, p?<?0.05) and 28% (CDLQI model, p?>?0.05). Mediation modeling shows that crisaborole affects QoL mostly indirectly through pruritus severity reduction.Downloads
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Copyright (c) 2019 Eric L. Simpson, Gil Yosipovitch, Andrew G. Bushmakin, Joseph C. Cappelleri, Thomas Luger, Sonja Ständer, Wynnis L. Tom, William C. Ports, Michael A. Zielinski, Anna M. Tallman, Huaming Tan, Robert A. Gerber
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