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Patient-reported outcomes in pediatric patients with psoriasis undergoing etanercept treatment: 12-week results from a phase III randomized controlled trial.

Author(s): Langley RG, Paller AS, Hebert AA, Creamer K, Weng HH, Jahreis A, Globe D, Patel V, Orlow SJ.

Affiliation(s): Dalhousie Medical School, Halifax, Halifax, Nova Scotia, Canada. rgblangl@dal.ca

Publication date & source: 2011, J Am Acad Dermatol. , 64(1):64-70

BACKGROUND: Psoriasis adversely affects health-related quality of life (HRQoL) in adults; however, little information exists about its impact on children and adolescents. OBJECTIVE: The effect of etanercept therapy on HRQoL compared with placebo was evaluated in children and adolescents with moderate to severe plaque psoriasis. METHODS: HRQoL data were collected from patients 4 to 17 years of age in a randomized, double-blind, placebo-controlled, North American, phase III study of etanercept. Instruments for assessing HRQoL included the Children's Dermatology Life Quality Index (CDLQI), Pediatric Quality of Life Inventory (PedsQL), Stein Impact on Family Scale, and Harter Self-Perception Profile for Children. RESULTS: Baseline CDLQI and PedsQL scores revealed reduced HRQoL in patients with psoriasis relative to comparative populations. Patients treated with etanercept demonstrated significantly higher mean percentage improvement in total CDLQI scores from baseline to week 12 compared with those treated with placebo (52.3% etanercept vs 17.5% placebo [P = .0001]). At week 12, patients who achieved 75% improvement in their Psoriasis Area and Severity Index score had higher percentage improvements from baseline in total CDLQI scores than those who did not have 75% improvement in Psoriasis Area and Severity Index score. LIMITATIONS: The PedsQL, Stein scale, and Harter profile demonstrated limited improvement in patients' HRQoL, suggesting that these scales may not be sensitive to issues that are relevant to children with psoriasis and their families. CONCLUSION: Etanercept therapy had a clinically and statistically meaningful impact on disease-specific quality of life (CDLQI) and a clinically meaningful impact on general quality of life (PedsQL) in children and adolescents with moderate to severe plaque psoriasis.

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