A Two-Part, International, Real-World, Observational Registry of Participants Diagnosed with Aromatic L-Amino Acid Decarboxylase Deficiency (AADC-d) With or Without Treatment With Eladocagene Exuparvovec (PTC-AADC-MA-406) First published 16/06/2023 Last updated 25/06/2025 EU PAS number:EUPAS105422 Study Ongoing