Completed The KHENEREXT Study NCT04604548 Conditions Brain Diseases, Brain Diseases, Metabolic, Brain Diseases, Metabolic, Inborn, +35 more Locations Rigshospitalet, University of Copenhagen — Copenhagen, Denmark Klinikum der Universität München Friedrich-Baur-Institut — München, Germany Radboud University Medical Center — Nijmegen, Netherlands Institute for Ageing and Health Newcastle University — Newcastle upon Tyne, United Kingdom View Trial Details