At least 6-12 months after data release. It will take 2-6 months to talk to FDA (if at all), and 3-6 months to prepare an NDA.
You have no idea what the status of FDA discussion are, or for that matter how much of the NDA filing is pre-loaded and ready to go. With our three elite FDA bureaucrats, I don see why it would takk 6 months to file.