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Apogenix’ new CD40 agonist HERA-CD40L significantly reduces tumor growth in prostate cancer model

  • Preclinical data published in Frontiers in Immunology, a leading peer-reviewed journal

  • Induction of pro-inflammatory state through functional switch from pro-tumor macrophages (TAMs) to anti-tumor macrophages

  • Combination with radiotherapy provides significant benefit in prostate cancer models refractory to anti-PD-1 treatment

Heidelberg, Germany, June 01, 2023 – Apogenix, a biopharmaceutical company developing next generation immunotherapeutics, announced today that new preclinical data were published in the leading peer-reviewed journal Frontiers in Immunology (1). In the studies, Apogenix, in collaboration with the group from Professor Tim Illidge at the University of Manchester, UK, demonstrated the therapeutic benefits of the hexavalent CD40 agonist HERA-CD40L in models of prostate cancer refractory to anti- PD-1 therapies, both as monotherapy and in combination with radiotherapy.

Importantly, HERA-CD40L was able to significantly reduce tumor growth through a threefold mechanism of action: it increased intratumoral T-cell concentration; modulated the tumor microenvironment (TME) towards a pro-inflammatory state; and reversed the macrophage balance from pro-tumor macrophages (tumor-associated macrophages; TAMs) to anti-tumor macrophages.

Thomas Hoeger, PhD, CEO of Apogenix, said: “Immune checkpoint inhibitors have revolutionized cancer treatment, however, the overall response rate for all cancer types in patients is still below twenty percent. New immunotherapeutic strategies are required and with this next-generation HERA-ligand we investigated a potentially viable treatment option – as a monotherapy and in combination with radiotherapy – to improve cancer treatment outcomes.

The full article titled: “The CD40 agonist HERA-CD40L results in enhanced activation of antigen presenting cells, promoting an anti-tumor effect alone and in combination with radiotherapy” can be accessed here.

HERA-CD40L is a novel molecule from Apogenix’ platform of hexavalent Tumor Necrosis Factor Receptor Superfamily (TNFRSF) agonists. CD40L is a key regulator of the immune system. The CD40-CD40L immune axis is primarily linked to B cells and is important for sustained antibody production, antibody class switching, and the production of memory B cells. Due to its characteristic of bridging the transition from innate immunity to the initiation of adaptive immunity, CD40 represents a very attractive target for drug development.


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