Arch Oncology adds $105M for better way to get immune cells to gobble up tumors April 27, 2021 Auto Bot BioPharma, biopharma nl, California, cancer drugs, Immunotherapy, investing, Pharma 0 Several companies are developing immunotherapies targeting the “don’t eat me” cancer protein CD47. Arch Oncology, which is developing drugs with features that could set them apart from the field, now has $105 million for multiple clinical trials.