DCVAX theoretically fixes this challenge. Fully personalized to the tumor itself.
There is a reason why the likes of BNTX/RHHBY, GRTS, GNCA and MRNA/MRK are selecting which neoantigens to target with their vaccines.
Start at minute 5. "if you think about the heterogeneity of the disease... no one should be surprised that these previous immunotherapies didn't work" -paraphrasing but..