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Key Record Dates Identifier: NCT02859428
Brief Title: Disease Natural History and Biomarkers of SPG3A, SPG4A, and SPG31

First Submitted : August 6, 2016
First Submitted that Met QC Criteria : August 6, 2016
First Posted : August 9, 2016 (Estimate)

Last Update Submitted that Met QC Criteria : May 2, 2020
Last Update Posted : May 5, 2020