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Targovax enters collaboration with Oslo University Hospital

Erik Digman Wiklund

Targovax has entered into a clinical trial collaboration agreement with Oslo University Hospital (OUS) to run a phase 1/2 study testing polyvalent mutant RAS vaccine TG01 in multiple myeloma (MM) following standard of care (SoC) therapy.

Targovax was recently awarded two research grants from Innovation Norway and the Norwegian Research Council, totaling NOK 18m, to advance its TG mutant RAS cancer vaccine program. These grants include funding towards several clinical studies, of which the first to open will be a TG01 phase 1/2 trial in MM patients with relevant KRAS and NRAS mutations (approx. 15-20% of MM patients) to be run in Oslo, Norway.

The trial

The trial is a collaboration between OUS and Targovax and will test TG01 vaccination as a monotherapy in 20 KRAS or NRAS mutated MM patients who continue to have measurable disease after completion of SoC treatment. The aim is to assess whether anti-RAS T-cell priming induced by TG01 can enhance the clinical response. OUS will sponsor and be responsible for running and funding the trial, with Dr. Schjesvold as the principal investigator. Targovax will provide TG01 drug supply, scientific support and financial contribution.

“RAS-mutant multiple myeloma has poor prognosis and there are currently no available targeted treatment options for this patient population. Prior data clearly demonstrates the capability of TG01 to induce robust anti-RAS T-cell responses and eliminate residual disease in cancer patients, and suggest that TG vaccination could be a valuable tool to deepen and prolong responses in multiple myeloma. Being a Norwegian product makes it particularly interesting, and we very much look forward to collaborating with Targovax to test this concept in practice at our center,” says Fredrik Schjesvold, Founder and Leader Oslo Myeloma Center, at Oslo University Hospital, and President of the Nordic Myeloma Study Group.

The first step in a broader exploratory program

Earlier in 2022, Targovax announced a collaboration with Agenus to utilize their vaccine adjuvant QS-21 STIMULON as an immune-stimulatory component of the TG vaccines for future development and commercialization. QS-21 has consistently demonstrated powerful antibody and cell-mediated immune responses both in cancer trials and commercially as a component of the Shingrix and Mosquirix vaccines. QS-21 should further potentiate the TG vaccines by driving stronger anti-RAS T-cell responses. The OUS trial will be the first study in patients of TG01 adjuvanted by QS-21.

“Following promising data from the first generation TG01 vaccine in pancreatic cancer, we have focused on enhancing our mutant RAS platform and establishing a cost-efficient, collaborative development plan to bring the program forward. We are now ready to bring TG01 back into the clinic in a new and improved format and are excited to work with Dr. Schjesvold and his team to assess the potential of TG01 in multiple myeloma. This trial will be the first step in a broader exploratory program with multiple collaboration partners aimed at testing TG01 vaccination in various RAS mutant cancer types and treatment combinations,” says Erik Digman Wiklund, Chief Executive Officer of Targovax.

Photo of Erik Digman Wiklund: Targovax