For leukemia, there are a lot of promising new treatments and clinical trials. For metastatic solid-state tumors, much less. We're still in the dark ages of cancer treatment.
[1] https://www.google.co.nz/search?q=%22metastatic+solid-state+...
https://www.lls.org/treatment/types-treatment/immunotherapy/...
Also 2nd gen BTK inhibitors:
I’d highly recommend the book The Philadelphia Chromosome if you’re interested in learning more.