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Oral IL-23 Inhibitor Effective in Psoriasis

Feb 09, 2024 8:00 am

The NEJM has published the results of the FRONTIER 1 trial demonstrating the efficacy of JNJ-77242113, an oral interleukin-23 (IL-23) receptor antagonist peptide, in patients with psoriasis (PSO). 

This phase 2 dose-finding trial randomized 255 PSO patients, with moderate-to-severe plaque psoriasis, to receive either placebo or study drug (25 mg qd; 25 mg bid; 50 mg qd; 100 mg qd, or 100 mg bid for 16 weeks. The primary end point was achieving at least 75% in the Psoriasis Area and Severity Index (PASI) score (PASI 75 response) at week 16.RESULTS

Patients had active PSO with a mean PASI score at baseline was 19.1. The disease duration was 18.2 years, and 78% of patients previously received systemic treatments. At week 16 PASI 75 response for placebo was 9%, but was significantly higher with JNJ-77242113:

  • 25 mg qd: 37%
  • 25 mg bid: 51%
  • 50 mg qd: 58%
  • 100 mg qd: 65%
  • 100 mg bid: 79%

The most common adverse events included COVID19 (12% PBO; 11% JNJ-77242113 dose groups) and nasopharyngitis (PBO 5% and JNJ 7%,). There was no dose-related increase in adverse events across the JNJ-77242113 dose groups.

An orally administered, peptide against IL-23 was shown to be effect in patients with moderate-to-severe plaque psoriasis, in this phase II trial.

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Disclosures
The author has no conflicts of interest to disclose related to this subject