Efficacy and safety of tildrakizumab in patients with active psoriatic arthritis: results of a randomised, double-blind, placebo-controlled, multiple-dose, 52-week phase IIb study.

Document Type

Article

Publication Date

5-13-2021

Publication Title

Annals of the rheumatic diseases

Keywords

washington; seattle; swedish

Abstract

OBJECTIVES: To evaluate efficacy and safety of the anti-interleukin-23p19 monoclonal antibody tildrakizumab in patients with psoriatic arthritis (PsA).

METHODS: In this randomised, double-blind, placebo-controlled, phase IIb study, patients with active PsA were randomised 1:1:1:1:1 to tildrakizumab 200 mg every 4 weeks (Q4W); tildrakizumab 200, 100 or 20 mg Q12W; or placebo Q4W. Patients receiving tildrakizumab 20 mg or placebo switched to tildrakizumab 200 mg Q12W at W24; treatment continued to W52. The primary efficacy endpoint was proportion of patients with ACR20 response (≥20% improvement by American College of Rheumatology criteria) at W24. Secondary efficacy endpoints were assessed without adjustment for multiplicity. Safety was evaluated from treatment-emergent adverse events (TEAEs).

RESULTS: 391/500 patients screened were randomised and treated. At W24, 71.4%-79.5% of tildrakizumab-treated versus 50.6% of placebo-treated patients achieved ACR20 (all p

CONCLUSIONS: Tildrakizumab treatment significantly improved joint and skin manifestations of PsA other than dactylitis and enthesitis. Treatment was generally well tolerated through W52. Clinicaltrials.gov NCT02980692.

Clinical Institute

Orthopedics & Sports Medicine

Department

Rheumatology

Department

Orthopedics

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