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Celldex Announces Completion of Enrollment in Phase 2 Study of Barzolvolimab in Patients with Chronic Inducible Urticaria | ||
By: GlobeNewswire - 17 Apr 2024 | Back to overview list |
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HAMPTON, N.J., April 17, 2024 (GLOBE NEWSWIRE) -- Celldex Therapeutics, Inc. (NASDAQ:CLDX) today announced that patient enrollment has been completed in the Company’s Phase 2 clinical study of barzolvolimab for the treatment of the two most common forms of chronic inducible urticaria (CIndU)—cold urticaria (ColdU) and symptomatic dermographism (SD). CIndU is characterized by the occurrence of hives or wheals that have an attributable trigger associated with them—temperatures below skin temperature in ColdU and scratching/rubbing of the skin in SD. Mast cell activation is known to be a critical driver in ColdU and SD. Barzolvolimab is a humanized monoclonal antibody that specifically binds the receptor tyrosine kinase KIT with high specificity and potently inhibits its activity, which is required for mast cell function and survival. In February 2024, the Company presented positive 12 week primary endpoint results from its ongoing Phase 2 study of barzolvolimab in the most common form of chronic urticaria—chronic spontaneous urticaria (CSU). "We are very grateful to all the investigators and patients who supported this trial," said Anthony Marucci, President and Chief Executive Officer of Celldex Therapeutics. "While individuals with inducible urticaria go to great lengths to avoid disease triggers in their daily lives, many find it impossible to do so and are severely burdened by this disease. This is compounded by the fact that there are currently no approved therapies for CIndU other than antihistamines. We believe barzolvolimab holds significant promise as a much needed potential treatment for patients with CIndU and look forward to presenting topline data from this study in the second half of the year." The randomized, double-blind, placebo-controlled, parallel group Phase 2 study is evaluating the efficacy and safety profile of multiple dose regimens of barzolvolimab in patients with CIndU who remain symptomatic despite antihistamine therapy, to determine the optimal dosing strategy. 196 patients in 2 cohorts (differentiated by CIndU subtype) including 97 patients with ColdU and 99 patients with SD were randomly assigned on a 1:1:1 ratio to receive subcutaneous injections of barzolvolimab at 150 mg every 4 weeks, 300 mg every 8 weeks or placebo during a 20-week treatment phase. Patients then enter a follow-up phase for an additional 24 weeks. The primary endpoint of the study is the percentage of patients with a negative provocation test at Week 12 (using TempTest® for ColdU and FricTest® for SD). Secondary endpoints include safety and other assessments of clinical activity including CTT (critical temperature threshold), CFT (critical friction threshold) and WI-NRS (worst itch numeric rating scale). For additional information on this trial (NCT05405660), please visit www.clinicaltrials.gov. About Chronic Inducible Urticaria (CIndU) About Barzolvolimab About Celldex Therapeutics, Inc. Forward Looking Statement All forward-looking statements are expressly qualified in their entirety by this cautionary notice. You are cautioned not to place undue reliance on any forward-looking statements, which speak only as of the date of this release. We have no obligation, and expressly disclaim any obligation, to update, revise or correct any of the forward-looking statements, whether as a result of new information, future events or otherwise. Company Contact Patrick Till |
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