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Background and Objectives <p>Deucravacitinib, a first-in-class, oral, selective, allosteric tyrosine kinase 2 inhibitor, demonstrated efficacy across the primary endpoint and all key secondary endpoints in the phase 2 PAISLEY SLE trial in patients with active systemic lupus erythematosus (SLE). Here, we describe 2 phase 3 trials [POETYK SLE-1 (NCT05617677), POETYK SLE-2 (NCT05620407)] which will assess the efficacy and safety of deucravacitinib in patients with active SLE. These phase 3 trials have been designed to replicate the successful elements of the phase 2 trial, including its glucocorticoid-tapering strategy and disease activity adjudication.</p> Methods <p>In these global, phase 3, randomized, double-blind, placebo-controlled trials, patients aged 18–75&#xa0;years with active SLE receiving background standard-of-care treatment will be randomized 3:2 to receive deucravacitinib or placebo for 52&#xa0;weeks of double-blind treatment. Patients receiving glucocorticoids will be instructed to taper, unless significant disease activity is present, to a threshold dose level during the double-blind treatment period. At week 52, eligible patients may continue to an optional 104-week open-label extension phase, in which all patients will receive deucravacitinib.</p> Planned Outcomes <p>The primary endpoint of SLE Responder Index-4 response and all secondary endpoints will be assessed at week 52. Safety and tolerability will be assessed throughout the trials. In each trial, planned randomization includes patients in multiple countries across North and South America, Europe, and the Asia–Pacific region.</p> Conclusions <p>The POETYK SLE-1 and SLE-2 trials in progress are important to the continued evaluation of deucravacitinib as a potential well-tolerated and effective therapy option for patients with SLE.</p> Trial Registration <p>ClinicalTrials.gov identifiers, NCT05617677 and NCT05620407.</p>

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Design of Two Randomized, Placebo-Controlled, Phase 3 Trials of Deucravacitinib, an Oral, Selective, Allosteric TYK2 Inhibitor, in Systemic Lupus Erythematosus

  • 期刊论文

  • 发表日期：

    2025年9月8日

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  • Cristina Arriens,
  • Eric F. Morand,
  • Anca D. Askanase,
  • Richard Furie,
  • Ronald F. van Vollenhoven,
  • Yoshiya Tanaka,
  • Kevin Connors,
  • Monica Davey,
  • Kimberly Young,
  • Giovanni Franchin,
  • Richard Meier,
  • Vaishali Shah,
  • Carolina Leite de Oliveria,
  • Coburn Hobar

摘要

Background and Objectives

Deucravacitinib, a first-in-class, oral, selective, allosteric tyrosine kinase 2 inhibitor, demonstrated efficacy across the primary endpoint and all key secondary endpoints in the phase 2 PAISLEY SLE trial in patients with active systemic lupus erythematosus (SLE). Here, we describe 2 phase 3 trials [POETYK SLE-1 (NCT05617677), POETYK SLE-2 (NCT05620407)] which will assess the efficacy and safety of deucravacitinib in patients with active SLE. These phase 3 trials have been designed to replicate the successful elements of the phase 2 trial, including its glucocorticoid-tapering strategy and disease activity adjudication.

Methods

In these global, phase 3, randomized, double-blind, placebo-controlled trials, patients aged 18–75 years with active SLE receiving background standard-of-care treatment will be randomized 3:2 to receive deucravacitinib or placebo for 52 weeks of double-blind treatment. Patients receiving glucocorticoids will be instructed to taper, unless significant disease activity is present, to a threshold dose level during the double-blind treatment period. At week 52, eligible patients may continue to an optional 104-week open-label extension phase, in which all patients will receive deucravacitinib.

Planned Outcomes

The primary endpoint of SLE Responder Index-4 response and all secondary endpoints will be assessed at week 52. Safety and tolerability will be assessed throughout the trials. In each trial, planned randomization includes patients in multiple countries across North and South America, Europe, and the Asia–Pacific region.

Conclusions

The POETYK SLE-1 and SLE-2 trials in progress are important to the continued evaluation of deucravacitinib as a potential well-tolerated and effective therapy option for patients with SLE.

Trial Registration

ClinicalTrials.gov identifiers, NCT05617677 and NCT05620407.