Phenotypes, Biomarkers and Pathophysiology in Hereditary Spastic Paraplegias and Related Disorders
The aim of this study is to determine the clinical spectrum and natural progression of Hereditary Spastic Paraplegias (HSP) and related disorders in a prospective multicenter natural history study, identify digital, imaging and molecular biomarkers that can assist in diagnosis and therapy development and study the genetic etiology and molecular mechanisms of these diseases.
• One of the following:
‣ Primary participant: Clinical or genetic diagnosis of HSP or a related disorder
⁃ Secondary participant: Unaffected family member (1st or 2nd degree relative) of primary participant (with the above-mentioned restrictions for special populations) able to give informed consent
⁃ Unrelated healthy control able to give informed consent
‣ AND
• Written informed consent
∙ AND
∙ \- Participants are willing and able to comply with study procedures