Israeli biotech Immunovative Therapies purifies and cultures healthy T-cells from an unmatched donor. The cells (called AlloStim) are injected into the cancer patient and after several treatments, boosts the recipient’s immune system to kill the tumors. Phase 2/3 trials in progress.
https://www.israel21c.org/could-an-immunotherapy-treatment-from-israel-cure-cancer/
https://clinicaltrials.gov/ct2/show/NCT01741038?term=allostim&draw=2&rank=2