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Over one-third of psoriasis patients have PsA


 

FROM SDEF LAS VEGAS DERMATOLOGY SEMINAR

Tildrakizumab sustains efficacy in plaque psoriasis treatment after 1 year

Nearly all patients receiving the interleukin-23 inhibitor tildrakizumab for the treatment of moderate to severe plaque psoriasis maintained or improved their Psoriasis Area and Severity Index (PASI) response rate after 52 weeks of treatment, compared with their response after 28 weeks.

The analysis, conducted by Boni E. Elewski, MD, of the University of Alabama at Birmingham, and her associates, included 352 patients who received 100 mg tildrakizumab and 313 who received 200 mg tildrakizumab. Treatment was received at baseline, at 4 weeks, and then every 12 weeks afterward.

At week 28, the proportions of patients achieving PASI 100, PASI 90-99, PASI 75-89, and PASI 50-74 at week 28 were 25.9%, 38.4%, 25.3%, and 10.5%, respectively, among those treated with the 100-mg dose. The proportions were 24.6%, 24.3%, 19.5%, and 31.6%, respectively, among those treated with the 200-mg dose.

In patients who achieved at least PASI 90 on either dose at week 28, 88.9%-89.4% maintained that response at week 52. For patients with PASI 75-89, 39.3%-40.4% maintained that response and 33.7%-41.0% achieved a PASI 90 response. At week 52, in patients with PASI 50-74, 20.2%-29.7% achieved at least a PASI 90, 52.5%-64.9% achieved PASI 75, and only 2.6% of patients on either dose had fallen below PASI 50.

Four study authors reported being clinical investigators on studies sponsored by Merck and Sun Pharmaceuticals; five authors are employees of Sun Pharmaceuticals.

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