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Health-related quality-of-life improvements during 98 weeks of infliximab therapy in patients with plaque-type psoriasis in real-world practice

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Published:1st Aug 2016

Author: Shear NH, Hartmann M, Toledo-Bahena ME, Gilbert M, Katsambas A, Yao R et al.

Source: Quality of Life Research

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Ref.:Qual Life Res. 2016 Feb 11.

DOI:10.1007/s11136-015-1224-z

Health-related quality-of-life improvements during 98 weeks of infliximab therapy in patients with plaque-type psoriasis in real-world practice

Purpose: We evaluated the effect of plaque-type psoriasis on health-related quality of life (HRQoL) of patients who received infliximab (IFX) in real-world clinical settings.

Methods: REALITY was a prospective, observational, open-label study of the efficacy and safety of up to 98 weeks of IFX (5 mg/kg infused at weeks 0, 2, 6, and every 8 weeks thereafter) in patients with moderate-to-severe plaque-type psoriasis. Patients with ≥25 % Psoriasis Area Severity Index (PASI) improvement (PASI 25) at week 50 were eligible for the Extended Treatment Phase (treatment to week 98). Inclusion criteria were diagnosis of plaque-type psoriasis, age ≥18 years, decision to start IFX, and patient consent. Key secondary efficacy outcomes included the Dermatologic Life Quality Index (DLQI; mean DLQI scores, attainment of DLQI 0/1), which was analyzed over 98 weeks. Post hoc analyses examined improvement in DLQI and the relationship between PASI and DLQI.

Results: In the Treatment Phase, patients (n = 516, 66.0 % men, mean age 46.4 years) had a mean baseline PASI of 18.1. Mean DLQI improved from 12.7 at baseline to 4.7 [mean change (95 % CI); -8.0 (-8.9, -7.1)] at week 50; 64.0 % (229/358) of patients improved by ≥5 DLQI points. At week 50 (n = 362), 37.6 % (95 % CI; 32.7, 42.7) achieved a DLQI of 0. In the Extended Treatment Phase, patients (n = 167, 68.3 % men, mean age 46.6 years) had a mean baseline PASI of 20.4. Mean DLQI improved from 12.3 at baseline to 2.8 at week 98 [mean change (95 % CI); -9.4 (-10.8, -8.0)]; 68.6 % (96/140) of patients improved by ≥5 DLQI points. At week 98 (n = 141), 47.5 % (95 % CI; 39.4, 55.7) achieved a DLQI of 0.

Conclusions: Patients with plaque-type psoriasis who received treatment with IFX for 50 weeks or up to 98 weeks reported substantial HRQoL improvement.

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