Zenas BioPharma Announces First Patient Dosed in Phase 3 Clinical Study of Obexelimab for the Treatment of Immunoglobulin G4-Related Disease (IgG4-RD)
Global Phase 3 INDIGO study will evaluate the efficacy and safety of obexelimab in patients with IgG4-RD, a chronic and serious fibroinflammatory disease typically affecting multiple organs
IgG4-RD is the first of several potential disease indications to be pursued for obexelimab given its unique non-depleting, B-cell inhibition
Excerpt from the Press Release:
WALTHAM, Mass., Jan. 11, 2023 (GLOBE NEWSWIRE) — Zenas BioPharma, a global biopharmaceutical company committed to becoming a leader in the development and commercialization of immune-based therapies, today announced that the first patient has been dosed in the INDIGO Phase 3 registrational study of obexelimab. The INDIGO study will evaluate the clinical efficacy and safety of obexelimab treatment in the prevention of IgG4-related disease (IgG4-RD) flare. Obexelimab is a high-affinity bifunctional antibody that inhibits B-cell lineages by simultaneously binding to CD19 and FcƳRIIB, thereby downregulating B-cell activity in patients with autoimmune diseases associated with autoantibodies, such as IgG4-RD.
“IgG4-RD is a chronic and serious fibroinflammatory condition that can affect nearly any organ system and can have a profound impact on many patients, leading to severe organ damage or death,” said Hua Mu, M.D., Ph.D., Chief Executive Officer at Zenas. “There are no currently approved treatments for patients living with IgG4-RD. Based upon the promising data from a Phase 2 study of obexelimab in IgG4-RD patients, we are excited to continue to evaluate the potential of obexelimab in the INDIGO study.”
About the INDIGO Study
The INDIGO study is a global multicenter, randomized, double-blind, placebo-controlled study enrolling up to 200 adults with active IgG4-RD signs/symptoms (i.e., flare) that require steroid therapy.
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