European Medicines Agency (EMA) | What's new Follow Orphan designation: human IgG1 (296-cysteine,301-glycine,306-cysteine) monoclonal antibody against TREM2 Treatment of CSF1R-related leukoencephalopathy, 13/10/2023 Withdrawn https://www.ema.europa.eu/en/medicines/human/orphan-designations/eu-3-23-2847 ema.europa.eu