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Lilly's Mirikizumab Superior to Cosentyx® (secukinumab) in a Phase 3 Study for Patients with Moderate to Severe Plaque Psoriasis

INDIANAPOLIS, July 17, 2020 /PRNewswire/ -- Eli Lilly and Company (NYSE:LLY) announced today that mirikizumab, an investigational monoclonal antibody that binds to the p19-subunit of IL23, met the primary and all key secondary endpoints versus placebo at Week 16 (superiority) and all key secondary endpoints versus Cosentyx (secukinumab) at Week 16 (non-inferiority) and Week 52 (superiority) in the OASIS-2 study. OASIS-2 is a multicenter randomized, double-blind, placebo-controlled study comparing the efficacy and safety of mirikizumab to placebo and Cosentyx in patients with moderate to severe plaque psoriasis.



The safety profile was consistent with previously disclosed results for mirikizumab and known safety findings of other drugs in the IL23p19 class.

"The results from this study are promising to people around the world who are burdened by psoriasis and Lilly is grateful to the patients, providers and investigators for advancing science to benefit patients with immunologic conditions," said Patrik Jonsson, senior vice president and president of Lilly Bio-Medicines. "We look forward to bringing mirikizumab to market to provide patients with an additional treatment option that has the potential to provide near complete or complete skin clearance as measured by PASI 90 and PASI 100, with sustained results at 52 weeks."

The OASIS program demonstrates Lilly's continued commitment to developing new treatment options in dermatology. In addition to mirikizumab in psoriasis, Lilly is studying other treatments for atopic dermatitis and alopecia areata, a disease without an FDA-approved medicine.

"We are pleased with the positive results observed in the mirikizumab psoriasis development program (OASIS). Mirikizumab has the potential to be a meaningful treatment option for people living with psoriasis," said Andrew Blauvelt, M.D., M.B.A., president of Oregon Medical Research Center and a lead investigator in the OASIS program. "The data builds on our understanding of IL-23 inhibition in psoriasis and possible future applications."

In OASIS-2, the primary endpoints were the proportion of patients with a Static Physician's Global Assessment (sPGA) of (0,1) with at least a 2-point improvement and the proportion of patients with at least a 90 percent improvement from baseline in Psoriasis Area and Severity Index (PASI 90) at Week 16 compared to placebo. Similar endpoints were evaluated at Week 16 as key secondary endpoints compared to Cosentyx. Other key secondary endpoints compared to placebo at Week 16 include the proportion of patients with at least a 75 and 100 percent improvement from baseline in Psoriasis Area and Severity Index (PASI 75/PASI 100).

Key secondary endpoints at Week 52 compared to Cosentyx included the proportion of patients with a Static Physician's Global Assessment (sPGA) of (0,1) with at least a 2-point improvement and the proportion of patients with at least a 90 and 100 percent improvement from baseline in Psoriasis Area and Severity Index (PASI 90/PASI 100).

The most common treatment-emergent adverse events (≥5%) during the induction period (up to Week 16) were nasopharyngitis and upper respiratory infections and during the combined induction and maintenance treatment periods (up to Week 52) were nasopharyngitis, upper respiratory tract infections, headache, back pain, and arthralgia. The frequency of serious adverse events was comparable across treatment arms during the induction period (<2.5%) and combined induction and maintenance periods up to 52 weeks (<6%).

The full OASIS-2 study results will be disclosed at future congresses. Phase 3 clinical trials are ongoing for mirikizumab in inflammatory bowel diseases (IBD) including ulcerative colitis and Crohn's disease, an area where there are limited treatment options and patients are currently underserved. After pausing enrollment due to the COVID-19 pandemic, these studies have resumed enrolling patients. Lilly expects topline results for the Phase 3 induction data in ulcerative colitis in the spring of 2021 and for the Phase 3 Crohn's data in 2022.


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