It's quite hard to speculate what might be the value in the near future. If the drug gets approval and marketed widely, the domain value will surely rise but at the moment just keep your fingers crossed.
Trademark domains are a big loser. I can say that, even though I own about a dozen. It's difficult to always remember that a term is a Trademark.
In this niche, there are plenty of generic drug names that you can go after. I registered these generic drug names, for example: