Key Record Dates
| ClinicalTrials.gov Identifier: | NCT01730131 |
|---|---|
| Brief Title: | Natural History Study of Progressive Multifocal Leukoencephalopathy (PML) |
| First Submitted : | November 17, 2012 |
| First Submitted that Met QC Criteria : | November 17, 2012 |
| First Posted : | November 21, 2012 (Estimate) |
| Last Update Submitted that Met QC Criteria : | March 18, 2023 |
| Last Update Posted : | March 21, 2023 |