ArticleCancer science2024
The novel and potent CD40 agonist KHK2840 augments the antitumor efficacy of anti-PD-1 antibody and paclitaxel.
Article in Cancer science, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Research advances in immune agonists and their nanoparticles for enhancing the immunotherapeutic efficacy of PD-1 inhibitors in malignancies.Frontiers in oncology · 2025Review
- The novel and potent CD40 agonist KHK2840 augments the antitumor efficacy of anti-PD-1 antibody and paclitaxel.Cancer science · 2024Article
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Authors and funding
10 authors.
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Abstract
Lack of tumor-reactive cytotoxic T lymphocytes (CTLs) limits the antitumor efficacy of immune checkpoint inhibitors (ICIs). CD40 agonists have been expected to overcome this limitation by generating tumor-reactive CTLs. However, the clinical efficacy of CD40 agonistic antibodies is not as good as in non-clinical studies. The novel human CD40 (hCD40) agonist KHK2840 is a fully human anti-CD40 IgG2 agonistic antibody that is Fc-engineered to minimize complement-dependent cytotoxicity and antibody-dependent cellular cytotoxicity. Compared to other hCD40 agonists, KHK2840 exhibited the most potent hCD40 agonistic signal in tumor-bearing hCD40 transgenic mice and human peripheral blood B cells. Moreover, KHK2840 enhanced the antitumor efficacy of the antiprogrammed cell death 1 antibody and paclitaxel. Comprehensive immune profiling revealed that the antitumor immune response of the triple combination involved tumor-draining lymph nodes in addition to tumor microenvironments. This suggests that a coordinated antitumor immune response between tumors and lymph nodes may underlie the synergistic antitumor efficacy of the triple combination therapy. Finally, a toxicology study in cynomolgus monkeys demonstrated that KHK2840 activated the CD40 signal with tolerable toxicological properties. These results indicate that KHK2840 is a novel and potent hCD40 agonistic antibody for cancer immunotherapy, which is expected to augment the antitumor efficacy of ICIs and chemotherapy.
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