Protocol: Optic Neuritis Treatment Trial (ONTT) and Longitudinal Optic Neuritis Study (LONS) which includes follow up through 15 years Status: Closed Start Date: 06/01/1998 End Date: 12/01/2006 Clinical Trial ID: NCT00000146 Public Dataset: Download ONTT Protocol LONS 10-Year Protocol LONS 15-Year Protocol Master List of ONTT LONS Publications Back