Yes, mRNA vaccines are promising for many but not all cancer types, and there are many ongoing clinical trials. There's also a lot we yet don't know about how to design them.

Here's a great blog post on this, "How to build a cancer vaccine, and whether they will work this time": https://www.owlposting.com/p/how-to-build-a-cancer-vaccine-a...

Here's the blog post I wrote on personalized mRNA vaccines: https://hedonicescalator.substack.com/p/did-paul-conyngham-r...

Individualized immune cancer therapy has been touted as the next big thing for half a century. It's nothing new, and with few exceptions, such as skin cancer, has failed to yield much. scientists, for decades, have tired to harness the immune system to attackcancer and it almost never works.