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Lebrikizumab Patients Achieve Skin Clearance from monotherapy

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More than 50 percent of patients with moderate-to-severe atopic dermatitis (AD) experienced at least 75 percent reduction in disease severity (EASI-75*) at 16 weeks when receiving lebrikizumab monotherapy in the ADvocate program, Eli Lilly and Company (NYSE: LLY) announced today at the American Academy of Dermatology (AAD) Annual Meeting. Lebrikizumab, an investigational IL-13 inhibitor, also led to clinically meaningful improvements in itch and other important patient-reported outcomes compared to placebo.

“Patients with atopic dermatitis experience persistent itch, dry skin, severe pain and inflammation, which can be unpredictable and affect their work, social relationships, mental and emotional health,” said Emma Guttman-Yassky, M.D., Ph.D., Waldman professor and system chair of Dermatology at the Icahn School of Medicine at Mount Sinai in New York, and senior author of the ADvocate analyses. “Lebrikizumab is a novel treatment targeting the IL-13 pathway, which is the main cytokine driver of inflammation that is involved in AD. I’m encouraged by today’s data showing rapid improvements in skin, itch and quality-of-life measures.”

Lebrikizumab is a monoclonal antibody (mAb) that binds to the interleukin 13 (IL-13) protein with high affinity to specifically prevent the formation of IL-13Rα1/IL-4Rα (Type 2 receptor) which blocks downstream signaling through the IL-13 pathway. 1-5 IL-13 plays the central role in Type 2 inflammation.6 In AD, IL-13 underlies the signs and symptoms including skin barrier dysfunction, itch, infection and hard, thickened areas of skin.7

In ADvocate 1, 43 percent of patients receiving lebrikizumab achieved clear or almost clear skin (IGA) at 16 weeks compared to 13 percent of patients taking placebo. Among those receiving lebrikizumab, 59 percent achieved an EASI-75 response, compared to 16 percent with placebo.

In ADvocate 2, 33 percent of patients taking lebrikizumab achieved clear or almost clear skin (IGA) at 16 weeks, compared to 11 percent of patients on placebo. Among those receiving lebrikizumab, 51 percent achieved an EASI-75 response, compared to 18 percent taking placebo.

Within four weeks, patients receiving lebrikizumab experienced statistically significant improvements in skin clearance and itching, as well as improvements in interference of itch on sleep, and quality of life, as measured by key secondary endpoints.

The safety profile of the 16-week period was consistent with prior lebrikizumab studies in AD. Patients taking lebrikizumab, compared to placebo, reported a lower frequency of adverse events in ADvocate 1 (lebrikizumab: 45%, placebo: 52%) and ADvocate 2 (lebrikizumab: 53%, placebo: 66%). Most adverse events across the two studies were mild or moderate in severity and nonserious and did not lead to treatment discontinuation. The most common adverse events in ADvocate 1 and 2 for those on lebrikizumab were conjunctivitis (7% and 8%, respectively), common cold (nasopharyngitis) (4% and 5%, respectively) and headache (3% and 5%, respectively).

“People’s experiences and struggles with autoimmune diseases, such as atopic dermatitis, drive us at Lilly to pursue novel science and meaningful treatments that make life better, especially in areas where there is urgent unmet need,” said Lotus Mallbris, M.D., Ph.D., vice president of global immunology development and medical affairs at Lilly. “These data reinforce the positive results in our broader Phase 3 development program, and we believe lebrikizumab represents a new generation of biologics for AD.”

Detailed 52-week results from ADvocate 1 and 2, as well as 16-week data from ADhere, the Phase 3 AD study of lebrikizumab with topical steroids, will be disclosed in coming months. Lilly and Almirall S.A. plan to submit filings to regulatory authorities around the world by the end of 2022 following completion of the ADvocate studies.

“Patients need new treatment options that provide high efficacy and tolerability. These positive data demonstrate that lebrikizumab has the potential to be a leading treatment in AD,” said Karl Ziegelbauer, Ph.D., Almirall’s Chief Scientific Officer.

Lilly has exclusive rights for development and commercialization of lebrikizumab in the United States and the rest of the world outside Europe. Almirall has licensed the rights to develop and commercialize lebrikizumab for the treatment of dermatology indications, including AD, in Europe.

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Editor in chief for eTurboNew is Linda Hohnholz. She is based in the eTN HQ in Honolulu, Hawaii.

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