29 centers participated and analysis has begun in 23 centers with 603 subjects (340 M, 216F). Average age of onset was 57.9Y (F58.9Y; M57.3Y). Onset was bulbar in 155 (25.7%) (F79, M76) with an average age of onset at 61.5Y (F62.3Y, M60.7Y). Limb onset was seen in 395 subjects (65.5%) (F137, M258) with an average age of onset 56.4Y (F57Y, M56.3Y). Respiratory onset occurred in 9 subjects (F2, M7) with an average age of onset at 60.3Y. The average time from diagnosis to treatment was 14.3 months. Adverse events were reported in 68 participants out of 410 with information, most commonly headaches (30), gait disturbance (11), fatigue (11), and line infections (27). Site of administration was home (246), infusion centers (118), and a combination (65). Analysis of the change in ALSFRSR and FVC pre and post-treatment is underway and full results will be presented.