The company is evaluating its IL-1a blocking antibody therapy in patients with moderate-to-severe Atopic Dermatitis (AD).

XBiotech (NASDAQ:XBIT) has announced it has enrolled the first patient in its Phase 2 clinical study evaluating its IL-1a blocking antibody therapy in patients with Atopic Dermatitis (AD), otherwise known as eczema.

As quoted in the press release:

The study will assess weekly bermekimab therapy to reduce inflammatory skin lesions, itch, and pain in patients suffering from eczema.

The study will compare three groups of patients over 16 weeks of treatment: a weekly dosing group, a biweekly dosing group, and a placebo group. Percentage of patients who achieve a 75% reduction in skin disease after 16 weeks of treatment will be the primary measure of response. The Eczema Area Severity Index (EASI) scoring system will be used to assess severity of inflammatory skin lesions. Another crucial assessment will be patient itch, which is often severe and unrelenting in this disease. A numeric rating scale (NRS) will be used to assess itch and pain at various timepoints ranging from 4-16 weeks. For more information on this study please visit

Dr. Forman commented, “We are now understanding that IL-1alpha (IL-1⍺) plays a primary role in inflammatory skin diseases. Earlier Phase 2 results using the IL-1⍺ blocker, bermekimab, showed unprecedented treatment effects such as reduction of inflammatory lesions, itch, and pain in patients with eczema. I look forward to the outcome of this study.”

Bermekimab was previously tested in a clinical study of patients with moderate to severe AD. Those results were previously presented at the annual conferences of the American Academy of Dermatology (AAD) and the European Academy of Dermatology and Venerology (EADV) by renowned dermatologists Dr. Eric Simpson and Dr. Alice Gottlieb, respectively. The findings showed that after only 8 weeks of bermekimab therapy, 75% of patients had achieved 75% improvement in disease severity as assessed by EASI score (the current standard of care for biological therapy involves a 16 week treatment regimen and is associated with 44-51% of patients achieving 75% improvement). Bermekimab therapy was also associated with a dramatic reduction in itch and pain, with three fourths of patients achieving clinically significant reduction in itch, and 86% achieving clinically significant reduction in pain after only 8 weeks of treatment.

Click here to read the full press release.


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