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tpdelansbsalbac
- Development stage
- Phase 2
- Lead developer
- Xinxiang Medical University First Affiliated Hospital
- Modality
- Bacterial Strains → Single Strain Products → Live Biotherapeutic Products → Microbiome Therapeutics, Yeast Strains → Single Strain Products → Live Biotherapeutic Products → Microbiome Therapeutics, Defined Consortia → Multi-strain Products → Live Biotherapeutic Products → Microbiome Therapeutics, Complex Communities → Multi-strain Products → Live Biotherapeutic Products → Microbiome Therapeutics, Fresh FMT → Fecal Microbiota Transplantation (FMT) → Microbiome Therapeutics, Frozen FMT → Fecal Microbiota Transplantation (FMT) → Microbiome Therapeutics, Genetically Modified Bacteria → Engineered Microbial Therapeutics → Microbiome Therapeutics, Synthetic Biology Platforms → Engineered Microbial Therapeutics → Microbiome Therapeutics, Microbial Metabolites → Microbiome-Derived Products → Microbiome Therapeutics, Microbial Proteins → Microbiome-Derived Products → Microbiome Therapeutics
- Administration
- Intraperitoneal, Intrapleural, Intravitreal
01
Overview
tpdelansbsalbac is a recombinant, live-attenuated, and hypoxia-targeted strain of *Salmonella typhimurium* (YB1) developed by Beijing Transebacillus Biotech for the treatment of solid tumors and malignant effusions. The bacterium is engineered to selectively replicate in the hypoxic microenvironment of tumors by placing the essential *asd* (aspartate-semialdehyde dehydrogenase) gene under the control of a hypoxia-inducible promoter. This modification, along with the deletion of the *rpoS* gene, ensures that the bacteria remain localized to the tumor site, minimizing systemic toxicity while inducing oncolytic effects and stimulating a local immune response. It is currently being evaluated in Phase I/II clinical trials for patients with malignant pleural and abdominal effusions.
- Other names
- tpdelansbsalbacTransebacillusSalmonella typhimurium YB1
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