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Cemiplimab (Anti-Human PD-1) is a high-affinity programmed death receptor-1 (PD-1) monoclonal IgG4 antibody that blocks PD-1/PD-L1-mediated T-cell suppression. Cemiplimab is commonly used in squamous cell skin cancer research[1][2]. | [in vivo]
Cemiplimab (i.p., 10 mg/kg, five injections within 2 weeks) can increased the proportion of effector T cells in tumors and dLNs to reduce tumor growth by combined immunotherapy with REGN3767 in MC38.Ova tumor mice model[2].
| Animal Model: | Female human PD-1×LAG-3 knockin mice (8-10 weeks) with MC38.Ova cells[2] | | Dosage: | 10 mg/kg | | Administration: | Intraperitoneal injection; five injections within 2 weeks | | Result: | Partially inhibited the growth of MC38.Ova tumors and prolonged the survival of mice by administering alone.
Significantly increased the proportion of CD4+ TILs in IFNγ and TNFα by combined immunotherapy with REGN3767.
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| [References]
[1] Michael R Migden, et al. PD-1 Blockade with Cemiplimab in Advanced Cutaneous Squamous-Cell Carcinoma. N Engl J Med. 2018 Jul 26;379(4):341-351. DOI:10.1056/NEJMoa1805131
[2] Elena Burova, et al. Preclinical Development of the Anti-LAG-3 Antibody REGN3767: Characterization and Activity in Combination with the Anti-PD-1 Antibody Cemiplimab in Human PD-1xLAG-3-Knockin Mice. Mol Cancer Ther. 2019 Nov;18(11):2051-2062. DOI:10.1158/1535-7163.MCT-18-1376 |
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