SOUTH CAROLINA – May 1, 2025 – TATUM bioscience is dedicated to solving a significant unmet medical need in cancer treatment. Immuno-oncology and the advent of checkpoint inhibitors have profoundly revolutionized cancer care by making cancer-free outcomes a reality. However, only 20% of patients respond to these blockbuster immunotherapies, leaving 80% without effective therapeutic solutions. TATUM bioscience is addressing this gap with its innovative approach, nanofilament vaccine immunotherapy. The nanofilaments represent a first-in-class modality that unveils cancer cells and activates the immune system to trigger robust, long-lasting antitumor vaccine responses, offering unmatched response rates and therapeutic efficacy.
Solutions
TATUM bioscience’s approach to cancer immunotherapy is radical. Instead of activating immune cells and hoping they find cancer cells, as most conventional immunotherapies do, TATUM has developed nanofilaments that bind to cancer cells and transform them into targets for the immune system. This new strategy helps mount an antitumor vaccine response that provides systemic and long-lasting protection.
The company also leverages its first-in-class dedicated synthetic biology platform, allowing light-speed drug development. TAT003, its lead candidate, achieves stellar efficacy in an anti-PD(L)1 resistant model with a derisked safety profile. After raising a pre-seed and a seed, TATUM is currently gearing up for Series A funding to bring TAT003 to the clinic.
Strengths
- Worldwide Support:
- The company is supported by key opinion leaders in oncology from major cancer centers (e.g., MD Anderson Cancer Center), as well as former experienced pharma/biotech board members, who all genuinely believe that TATUM will impact the lives of cancer patients.
- Extensive Pre-Clinical Data Package
- Includes stellar efficacy data and early proof of target engagement on human tissues.
- Proprietary Intellectual Property
- Includes first mover position.
Meet the Co-Founders

From left to right:
Jean-François Millau, Ph.D. – Co-Founder + Chief Executive Officer
Kevin Neil, Ph.D. – Co-Founder + Chief Scientific Officer
Sébastien Rodrigue, Ph.D. – Co-Founder + Chief Technology Officer