COMPANY RESEARCHGRIT disclosed T-cell-targeted mRNA/LNP GT801 and a separate lentiviral direction. GT801 is also developed through spinout Vivacta Bio; the two company profiles describe a shared program lineage, not two independent drugs. GRIT’s TIL clinical stages are separate.
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GRIT disclosed T-cell-targeted mRNA/LNP GT801 and a separate lentiviral direction. GT801 is also developed through spinout Vivacta Bio; the two company profiles describe a shared program lineage, not two independent drugs. GRIT’s TIL clinical stages are separate.
| Program / service | Target / indication | Representative stage | Evidence & scope |
|---|---|---|---|
| GT801 | CD19 · See program source; distinguish indications | Exploratory human study / IIT | Human research disclosed or registered; efficacy is not established. |
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A Nature study delivered guide RNA and base-editor mRNA in GalNAc lipid nanoparticles to inactivate liver ANGPTL3. Nonhuman primates showed mean ANGPTL3 protein reductions exceeding 90%, with durability assessed through three years after one dose. Lipid reductions were observed in animal models. Human liver-cell testing assessed selected off-target sites; the paper does not report human clinical efficacy.
A Nature Materials study describes mRNA-loaded LNPs that reprogram tumor-associated macrophages into Claudin18.2-targeting CAR macrophages. The lipid formulation also promotes TREM2 internalization and degradation, reshaping immune responses. The original abstract reports tumor suppression and longer survival with PD-1 blockade in mice, plus ex vivo patient-sample findings. These findings do not demonstrate clinical efficacy in treated patients.
CSPC announced initiation of the first Chinese center for SYS6055-003, a Phase 1/2 trial in relapsed or refractory B-cell non-Hodgkin lymphoma. SYS6055 uses lentiviral vectors to generate CD19-targeting CAR-T cells in vivo. The company said recruitment and screening are underway following October clinical-trial authorization. Center initiation does not establish patient dosing, efficacy, or marketing approval.
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