So then shift your focus. Who else in the company could be qualified enough to give you an answer? Whoever you find out that is (If there is one,) send them a message.
From what I've seen in my experiences with investors and executives, e-mails sent to CEOs with a lot of emotion and frustration are generally moved to 'File 13' as nothing good comes out of replying.
In addition, we have a $20M CAD offering with a big investment bank yet to be finalized and a double-blind phase 3 trial. Why risk saying anything with that sort of cash on the table?