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  • Title: Improvement in aspects of sleep with etanercept and optional adjunctive topical therapy in patients with moderate-to-severe psoriasis: results from the PRISTINE trial.
    Author: Thaçi D, Galimberti R, Amaya-Guerra M, Rosenbach T, Robertson D, Pedersen R, Yang S, Kuligowski M, Boggs R.
    Journal: J Eur Acad Dermatol Venereol; 2014 Jul; 28(7):900-6. PubMed ID: 23848989.
    Abstract:
    BACKGROUND: Impaired sleep in patients with moderate-to-severe psoriasis and improvement on therapy has not been widely studied. OBJECTIVE: Quantify baseline aspects of sleep and improvement in patients with psoriasis receiving etanercept (ETN) when allowed concomitant topical medications (PRISTINE study). METHODS: Patients with moderate-to-severe psoriasis were randomized to 50 mg ETN once weekly (QW/QW) or 50 mg ETN twice weekly (BIW/QW) for weeks 1-12, followed by 50 mg QW for weeks 13-24; a broad range of topical therapies were permitted during weeks 13-24. Sleep impairment was measured by the Medical Outcomes Study (MOS) sleep questionnaire Index II (population norm = 25.8; minimum clinically important difference = 5.1); quality of life (QoL) measures included Dermatology Life Quality Index (DLQI), EuroQoL 5 Dimension (EQ-5D) Utility Index and Visual Analogue Scale (VAS) and Functional Activity in Chronic Therapy-Fatigue (FACIT-Fatigue). ancova and Fisher's exact test or chi-squared tests were used for between-group testing. RESULTS: Mean baseline MOS-Sleep scores were 34.0 for both groups indicating impairment (N = 270; QW/QW n = 137; BIW/QW n = 133, approximately 64% had impaired sleep). At week 12 of treatment, MOS-Sleep scores improved to 30.8 and 30.1, and at week 24, to 28.4 and 28.2 respectively. Poor sleep was significantly associated with clinically important problems in EQ-5D utility, VAS and FACIT-Fatigue; sleep improvement was associated with improved EQ-5D utility and FACIT-Fatigue (P < 0.001). CONCLUSION: This study confirms that most patients with moderate-to-severe psoriasis have impaired sleep which is associated with impaired QoL. Treatment with etanercept significantly improved sleep, with most improvement occurring before a broad range of topicals were allowed. Sleep improvement was associated with improved QoL.
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