On June 12, 2026, Xbrane Biopharma AB (“Xbrane”) and JOINN Biologics US Inc. (“JOINN”) announced a strategic partnership to develop Xdarzane, Xbrane’s biosimilar candidate to DARZALEX (daratumumab), which is approved for the treatment of multiple myeloma. Big Molecule Watch has previously covered daratumumab biosimilar development, including Dr. Reddy’s 2025 license…
