Sunstone Life Science portfolio company Alligator Bioscience AB, a privately held Swedish biotech company developing immuno-oncology antibodies for directed immunotherapy of cancer, today announced that it has entered into a definitive agreement with Janssen Biotech, Inc. (Janssen), one of the Janssen Pharmaceutical Companies of Johnson & Johnson.

Under the agreement, Janssen, will be granted an exclusive, worldwide license to Alligator’s clinical candidate ADC-1013. The collaboration was facilitated by the Johnson & Johnson Innovation Center in London. Currently in Phase I clinical trials, ADC-1013 is an agonistic fully human monoclonal antibody targeting CD40, an immuno-stimulatory receptor found on antigen-presenting cells such as dendritic cells. Stimulation of CD40 on dendritic cells initiates a process leading to a dramatic increase in T effector cells attacking the tumor. In addition, a tumor-specific memory is established leading to long term immunity to the cancer.