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✅   Safety and feasibility of allogeneic cord blood-derived cell therapy in preterm infants with severe brain injury (ALLO trial): a phase-1 trial protocol

Health

Introduction Severe intraventricular haemorrhage (IVH) and white matter injury (WMI) are major neurological complications in preterm infants, leading to long-term neurodevelopmental impairments. Despite advances in neonatal care, effective treatments are lacking. Umbilical cord blood cell (UCBC) therapy shows neuroprotective potential, with autologous sources ideal but often not feasible due to the unpredictability of preterm births. Allogeneic UCBCs offer an alternative, although immunogenicity and human leucocyte antigen (HLA) compatibility present challenges with knowledge gaps in their relevance in neonatal populations. This study aims to assess the feasibility and safety of partially HLA-matched allogeneic UCBC therapy in preterm infants with severe brain injury.

BMJ     Jun 18, 2025