Αρχειοθήκη ιστολογίου

Αλέξανδρος Γ. Σφακιανάκης
ΩτοΡινοΛαρυγγολόγος
Αναπαύσεως 5
Άγιος Νικόλαος Κρήτη 72100
2841026182
6032607174

Σάββατο 11 Φεβρουαρίου 2017

Continuous dosing versus interrupted therapy with ixekizumab: an integrated analysis of two phase 3 trials in psoriasis

Abstract

Background

Continuous treatment is recommended for patients with moderate-to-severe psoriasis, however, treatment may need to be interrupted in routine clinical practice.

Objective

To assess outcomes in patients continuously treated with ixekizumab versus those who interrupted therapy and were subsequently retreated with ixekizumab (IXE).

Methods

This analysis used data pooled from 2 phase 3 trials, UNCOVER-1 and UNCOVER-2. Patients were randomized to placebo (PBO), IXE every 4 (Q4W), or IXE every 2 weeks (Q2W) for 12 weeks. Patients with a static Physician's Global Assessment (sPGA) 0,1 at Week 12 were re-randomized to IXEQ4W, IXE every 12 weeks (not presented), or PBO. We examined outcomes in patients who were continuously treated (IXEQ2W/IXEQ4W; IXEQ4W/Q4W) or withdrawn (IXEQ2W/PBO; IXEQ4W/PBO), and in patients who were withdrawn and retreated with IXEQ4W for 24 weeks after disease relapse (sPGA ≥3).

Results

1226 treated patients achieved an sPGA 0,1 at Week 12 and entered the maintenance phase; of these patients, 402 and 416 were re-randomized to PBO and IXEQ4W, respectively. Among patients interrupting treatment, 157 (82.2%) of IXEQ4W/PBO and 176 (83.4%) of IXEQ2W/PBO had an sPGA ≥3 by Week 60; median time to relapse was approximately 20 weeks irrespective of induction dose. At Week 60, continuously treated patients maintained high levels of PASI and sPGA responses (90.0% PASI 75 IXEQ2W/Q4W; 81.9% sPGA 0,1 IXEQ2W/Q4W, Non-Responder Imputation). After 24 weeks of retreatment with IXEQ4W (IXEQ2W/PBO and IXEQ4W/PBO), 87.0% (107/123) and 95.1% (97/102) (observed), respectively, of patients recaptured PASI 75 and 70.7% (104/147) and 82.3% (107/130) (observed) recaptured an sPGA 0,1. Overall, adverse events in continuously treated and retreated patients were comparable.

Conclusion

High levels of response were sustained with continuous ixekizumab treatment through 60 weeks. Most patients who were withdrawn experienced disease relapse and most of those patients recaptured response after 24 weeks of retreatment.

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