Northwest Biotherapeutics, Inc., a biotechnology company, develops personalized immune therapies for cancer in the United States and internationally. The company develops its products based on DCVax, a platform technology that uses activated dendritic cells to mobilize a patient's own immune system to attack cancer. Its lead product, DCVax-L that is in Phase III clinical trials to treat Glioblastoma multiforme brain cancer.

The company also develops DCVax-Direct, which is in Phase I/II clinical trials to treat inoperable solid tumors.