Dupixent (dupilumab) eosinophilic esophagitis trial meets both co-primary endpoints

Nachrichtenquelle: globenewswire
23.05.2020, 00:25  |  179   |   |   

Dupixent (dupilumab) eosinophilic esophagitis trial meets both co-primary endpoints

  • Dupixent demonstrated significant clinical and anatomic improvements, including the ability to swallow, in Part A of pivotal trial
  • 69% reduction in disease symptoms with Dupixent, compared to 32% for placebo (p=0.0002)
  • There are currently no FDA-approved treatments for eosinophilic esophagitis, a condition that impacts patients’ ability to eat

PARIS and TARRYTOWN, N.Y. - May 22, 2020 – Sanofi and Regeneron Pharmaceuticals, Inc. (NASDAQ: REGN) today announced positive results from Part A of the pivotal Phase 3 trial evaluating Dupixent (dupilumab) in patients 12 years and older with eosinophilic esophagitis (EoE). The trial met both of its co-primary endpoints, as well as all key secondary endpoints. Dupixent is the first and only biologic to show positive and clinically-meaningful results in this population as part of a Phase 3 trial. An ongoing Part B portion of the Phase 3 trial evaluates an additional Dupixent dosing regimen.

EoE is a chronic and progressive type 2 inflammatory disease that damages the esophagus and prevents it from working properly, leading to difficulties swallowing. If untreated, symptoms and inflammation can progress, causing functional damage and scarring of the esophagus. EoE can lead to esophageal food impaction, requiring immediate emergency room visits. Almost half of the patients in this trial had prior procedures such as dilation of their esophagus, and almost three-quarters had previously been treated with corticosteroids. In the U.S., there are approximately 160,000 patients with EoE who are currently treated, of which an estimated 50,000 have failed multiple treatments.There are currently no therapies approved by the U.S. Food and Drug Administration (FDA).

“Eosinophilic esophagitis can be debilitating, and there are no approved treatment options. It impacts patients’ ability to eat, causes severe pain and often results in repeated emergency room visits and medical procedures,” said George D. Yancopoulos, M.D., Ph.D., Co-Founder, President and Chief Scientific Officer of Regeneron. “These data are particularly impressive as Dupixent not only dramatically reduced eosinophils in the esophagus, but also improved all clinical, anatomic and histologic measures of the disease. In the past, EoE was thought to be a disease caused by eosinophils, but other biologics that decrease the eosinophils in the esophagus did not demonstrate consistent clinical or anatomical improvements. These Dupixent results demonstrate EoE is caused by multiple aspects of type 2 inflammation, driven by interleukin-4 and interleukin-13. EoE is the fourth atopic or type 2 inflammatory disease in which Dupixent has pivotal data demonstrating significant efficacy.'

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