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Positive results reported for ixekizumab versus adalimumab in PsA


Eli Lilly and Co. has announced positive results from the phase 3b/4, multicenter, randomized, open-label, parallel-group SPIRIT-H2H trial, which compared ixekizumab (Taltz) with adalimumab (Humira) in patients with psoriatic arthritis who had previously not taken a biologic disease-modifying antirheumatic drug.

The 52-week study included 566 patients with psoriatic arthritis. Patients received either ixekizumab at 80 mg every 4 weeks after a 160-mg loading dose or adalimumab at 40 mg every 2 weeks. The primary endpoint was the proportion of patients achieving at least a 50% reduction in American College of Rheumatology (ACR50) criteria at 24 weeks.

After 24 weeks, patients in the ixekizumab group were more likely to achieve ACR50, compared with those in the adalimumab group. In addition, patients receiving ixekizumab were more likely to achieve 100% skin clearance according to the Psoriasis Area and Severity Index. Ixekizumab also met all secondary trial endpoints.

β€œThe positive results from the SPIRIT-H2H trial reinforce that Taltz effectively treats the debilitating joint signs and symptoms of active psoriatic arthritis, while also providing skin clearance. These results provide evidence that Taltz can be used as a first-line biologic treatment for patients with active psoriatic arthritis,” Lotus Mallbris, MD, PhD, vice president of immunology development at Lilly, said in the press release.

More detailed results will be presented at meetings and published in peer-reviewed journals in 2019, the company said.

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