Phase I Study of the Safety, Tolerability, and Efficacy of an Engineered Mitochondrial Vaccine in Advanced Solid Tumors

Summary

This study is a dose-escalation, prospective clinical trial to assess the safety, tolerability, and preliminary therapeutic efficacy of engineered mitochondria expressing specific tumor antigen in patients with advanced solid tumors.

Timeline

Start

2025-05-09

Primary completion

2026-12-31

Completion

2028-04-30

Publications

• Background Luo J, Mo F, Zhang Z, Hong W, Lan T, Cheng Y, Fang C, Bi Z, Qin F, Yang J, Zhang Z, Li X, Que H, Wang J, Chen S, Wu Y, Yang L, Li J, Wang W, Chen C, Wei X. Engineered mitochondria exert potent antitumor immunity as a cancer vaccine platform. Cell Mol Immunol. 2024 Nov;21(11):1251-1265. doi: 10.1038/s41423-024-01203-4. Epub 2024 Aug 20.
• Background Fang C, Mo F, Liu L, Du J, Luo M, Men K, Na F, Wang W, Yang H, Wei X. Oxidized mitochondrial DNA sensing by STING signaling promotes the antitumor effect of an irradiated immunogenic cancer cell vaccine. Cell Mol Immunol. 2021 Sep;18(9):2211-2223. doi: 10.1038/s41423-020-0456-1. Epub 2020 May 12.
• Background Tse SW, McKinney K, Walker W, Nguyen M, Iacovelli J, Small C, Hopson K, Zaks T, Huang E. mRNA-encoded, constitutively active STINGV155M is a potent genetic adjuvant of antigen-specific CD8+ T cell response. Mol Ther. 2021 Jul 7;29(7):2227-2238. doi: 10.1016/j.ymthe.2021.03.002. Epub 2021 Mar 5.
• Background Pierini S, Fang C, Rafail S, Facciponte JG, Huang J, De Sanctis F, Morgan MA, Uribe-Herranz M, Tanyi JL, Facciabene A. A Tumor Mitochondria Vaccine Protects against Experimental Renal Cell Carcinoma. J Immunol. 2015 Oct 15;195(8):4020-7. doi: 10.4049/jimmunol.1500281. Epub 2015 Sep 16.
• Background Fan L, Wu D, Goremykin V, Xiao J, Xu Y, Garg S, Zhang C, Martin WF, Zhu R. Phylogenetic analyses with systematic taxon sampling show that mitochondria branch within Alphaproteobacteria. Nat Ecol Evol. 2020 Sep;4(9):1213-1219. doi: 10.1038/s41559-020-1239-x. Epub 2020 Jul 13.
• Background Gulley JL, Borre M, Vogelzang NJ, Ng S, Agarwal N, Parker CC, Pook DW, Rathenborg P, Flaig TW, Carles J, Saad F, Shore ND, Chen L, Heery CR, Gerritsen WR, Priou F, Langkilde NC, Novikov A, Kantoff PW. Phase III Trial of PROSTVAC in Asymptomatic or Minimally Symptomatic Metastatic Castration-Resistant Prostate Cancer. J Clin Oncol. 2019 May 1;37(13):1051-1061. doi: 10.1200/JCO.18.02031. Epub 2019 Feb 28.

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