nidan7500, anything is possible particularly if the results are stellar and need FDA attention for special approval or otherwise. Having said that, many biotech companies present/publish the data (atleast high level summary) and then go to the FDA.
IR said they are not attending Nov 16&17 conference. I seriously doubt we get any more info this year regarding PDD and I feel we won't get Rett readout until 2nd qtr of 2021.