FDA OKs Bristol Myers Squibb’s Sotyktu for Psoriatic Arthritis

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FDA has approved Bristol Myers Squib’s Sotyktu (deucravacitinib), an oral therapy for treating adults with active psoriatic arthritis. The approval expands the drug’s use beyond plaque psoriasis and introduces the first tyrosine kinase 2 (TYK2) inhibitor authorized for patients with psoriatic arthritis, a chronic autoimmune condition that causes joint inflammation and skin lesions.

The decision was based on results from two Phase 3 studies — POETYK PsA-1 and POETYK PsA-2 — which evaluated once-daily Sotyktu in adults with active disease. In both trials, significantly more patients receiving the drug achieved the primary endpoint of an ACR20 response — at least a 20% improvement in symptoms based on criteria from the American College of Rheumatology — at 16 weeks compared with those receiving placebo, according to the company.

In the POETYK PsA-1 study, 54% of patients treated with Sotyktu achieved an ACR20 response versus 34% in the placebo group. In the POETYK PsA-2 trial, 54% of patients receiving the drug met the endpoint compared with 39% of those on placebo.

The company says higher levels of clinical response were also observed. ACR50 responses were reported in 24% and 29% of Sotyktu-treated patients in the two trials, compared with 14% and 16% among placebo recipients. ACR70 responses were achieved by 12% and 10% of treated patients, compared with 5% in both placebo groups.

On the safety side, it says the safety profile observed in psoriatic arthritis patients was generally consistent with that seen in earlier trials in plaque psoriasis. The most common adverse reactions included upper respiratory infections, increased creatine phosphokinase levels, herpes simplex, mouth ulcers, folliculitis and acne. The drug label includes warnings related to infections, tuberculosis, malignancies and other risks associated with immune-modulating therapies.

The FDA originally approved Sotyktu in 2022 for adults with moderate-to-severe plaque psoriasis who are candidates for systemic therapy or phototherapy.

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