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FDA Approves Tregzi (Orca-T) for GvHD Prophylaxis
The US Food and Drug Administration (FDA) approved Tregzi (Orca-T) on 30 June 2026, making it the first regulatory T cell-based immunotherapy authorised to improve chronic graft-versus-host disease (cGvHD)-free survival in adults undergoing matched donor allogeneic haematopoietic stem cell transplantation (allo-HSCT) for haematological malignancies. Developed by Orca Biosystems, Inc. (Orca Bio), Tregzi combines purified haematopoietic stem and progenitor cells (HSPCs), regula
3 hours ago12 min read



