Got asked about ttfields at my follow-up last month and I had no clue what the doc was talking about. Did some digging because I don't like being in the dark about my own treatment.
Basically it's a device, looks like a vest with electrodes in it. You wear it most of the day and it sends low intensity electrical currents through your chest to mess with cancer cell division. The theory is cancer cells are dividing fast so they're more sensitive to these fields than normal cells. Been around since the early 2000s I think, got FDA approval for certain cancers.
For meso specifically, there's not a ton of solid data yet. Some docs are pushing it, others say wait and see. I asked my oncologist at UC San Diego and she was honest about it - said the evidence is mixed and it's not standard treatment like chemo or surgery. It's something some people add on top of regular treatment but it's not replacing anything.
The thing that got me was the cost. Device runs several thousand dollars and insurance doesn't always cover it. Plus you gotta wear the thing constantly which sounds miserable when you're already dealing with post-surgery recovery and side effects.
I decided to pass on it for now. Rather spend energy on the chemo protocol we know works. But if someone's stage IV or running out of standard options it might be worth asking about. Just make sure your team is actually experienced with it and not just selling you on the idea.