XOMA Completes Enrollment In Phase 2 Proof-of-Concept Gevokizumab Trial In Patients With Erosive Osteoarthritis Of The Hand

BERKELEY, Calif., July 22, 2013 (GLOBE NEWSWIRE) -- XOMA Corporation (Nasdaq:XOMA), a leader in the discovery and development of therapeutic antibodies, today confirmed it has completed patient enrollment in the Company's Phase 2 proof-of-concept (POC) study designed to evaluate the potential for gevokizumab to improve pain symptoms, physical function and structural abnormalities in patients with active inflammatory, erosive osteoarthritis of the hand (EOA) and elevated C-reactive protein (CRP) levels. XOMA's study enrolled approximately 90 patients who were randomized 2:1 to receive 60mg of gevokizumab dosed subcutaneously once monthly or placebo.  The study was designed and powered to detect a significant improvement from baseline versus placebo in the mean Australian/Canadian Hand Osteoarthritis Index (AUSCAN™) pain score in the target hand at Day 84.  The study also is capturing multiple outcome measures, including pain, stiffness, physical function, X-ray, radiographic and MRI changes, as well as changes in CRP and concomitant acetaminophen use, at three and six months. The Company anticipates having preliminary top-line data for the AUSCAN score in October.

XOMA also provided an update on the EOA study in patients with non-elevated CRP. This study was opened for enrollment in May, and investigators have enrolled approximately 40 patients of the targeted 90 who had qualified for the original EOA study with the exception that they did not have elevated CRP levels. This supplemental study will help inform the design of the potential Phase 3 studies of gevokizumab in EOA.

About Gevokizumab

Gevokizumab is a potent monoclonal antibody with unique allosteric modulating properties and the potential to treat patients with a wide variety of inflammatory and other diseases. Gevokizumab binds strongly to interleukin-1 beta (IL-1 beta), a pro-inflammatory cytokine, and modulates the cellular signaling events that produce inflammation. IL-1 beta has been shown to be involved in diverse array of disease states, including non-infectious uveitis (including Behçet's uveitis), cardiovascular disease, and other auto-inflammatory diseases. 

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