ClinicalTrials.gov Identifier: NCT04548921. Responsible Party: Centogene AG Rostock. Recruitment Status : Recruiting, First Posted : September 15, 2020 International, multicenter, observational, longitudinal monitoring study to identify biomarker/s for Friedreich's Ataxia and to explore the clinical robustness, specificity, and long-term variability of these biomarker/s Locations: Lebanon, American University of Science and Technology, Beirut, Lebanon, 16-6452 Principal Investigator: Andre Megarbane, MD