- Subject has a lifetime history of suicide attempt (including an active attempt, interrupted attempt, or aborted attempt), or has suicidal ideation in the past 6 months as indicated by a positive response (Yes) to either Question 4 or Question 5 of the Columbia Suicide Severity Rating Scale (C-SSRS) at Screening. Or subject has a positive response (Yes) to either Question 4 or Question 5 of the C-SSRS at Screening in the "Since Last Visit" version