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01-08-2016 | Uitgave 8/2016

Quality of Life Research 8/2016

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

Tijdschrift:
Quality of Life Research > Uitgave 8/2016
Auteurs:
N. H. Shear, M. Hartmann, M. E. Toledo-Bahena, M. Gilbert, A. Katsambas, R. Yao, Z. Popmihajlov
Belangrijke opmerkingen
NCT00779675
Some of the data in this manuscript were presented at the 23rd annual meeting of European Academy of Dermatology and Venereology Congress, Amsterdam, The Netherlands, October 8–12, 2014. P309.

Abstract

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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