This is a highly un-scientific observatio, so please take for what its worth.
I have hadmore trouble with TriX for some reason than any ohter film, in terms of tings just wanting to stick to it - dust, mineral spots, msall dogs, you name it. I would be extra careful with TriX - definitely use photoflow, definitely use distilled water and definitely hang it at least in a shower with the curtain closed (seems to be the least dusty place short of a dedicated film dryer).
As to the ones you already have, unless they are totally ruined (in which case, what do you have to lose?) I would try re-wetting and washing... but I would not raise my hopes (as has already been stated). I was in a simular situation (with dust AND mineral spots) with this film, and after tearing up the internet for solutions, I found that any of my efforts damaged the film further than it was to begin with. If no-contact methods don't help, I would say you are more likely to make it worse than to improve it.
Peter.