They said full enrollment by June 2018 and slipped and slipped until June 2019 and now full enrollment by end of this year as I recall. This was not an area of surprise, they slipped on phase 2 enrollment and many companies by the way miss enrollment deadlines.
There is no reasonable reason to take the risk of holding, you might get lucky with your timing etc.., but there is no scenario to like right now imo, maybe little damage vs. massive damage, I lean towards massive