Drug intelligence / Profile preview

vaginal four-strain live Lactobacillus capsule

Development stage: Unknown
Lead developer: Zhejiang Wansheng Pharmaceutical
Modality: Synthetic Biology Platforms → Engineered Microbial Therapeutics → Microbiome Therapeutics, Fresh FMT → Fecal Microbiota Transplantation (FMT) → Microbiome Therapeutics, Yeast Strains → Single Strain Products → Live Biotherapeutic Products → Microbiome Therapeutics, Bacterial Strains → Single Strain Products → Live Biotherapeutic Products → Microbiome Therapeutics, Defined Consortia → Multi-strain Products → Live Biotherapeutic Products → Microbiome Therapeutics, Frozen FMT → Fecal Microbiota Transplantation (FMT) → Microbiome Therapeutics, Genetically Modified Bacteria → Engineered Microbial Therapeutics → Microbiome Therapeutics, Microbial Metabolites → Microbiome-Derived Products → Microbiome Therapeutics, Microbial Proteins → Microbiome-Derived Products → Microbiome Therapeutics, Complex Communities → Multi-strain Products → Live Biotherapeutic Products → Microbiome Therapeutics
Administration: Vaginal

Overview

Vaginal four-strain live Lactobacillus capsule is a live biotherapeutic product (LBP) developed for the treatment and prevention of recurrence of bacterial vaginosis (BV). The formulation consists of four specific strains of Lactobacillus: *L. crispatus*, *L. gasseri*, *L. jensenii*, and *L. rhamnosus*. These strains are natural inhabitants of a healthy vaginal microbiome and are intended to restore a Lactobacillus-dominant environment following antibiotic therapy. The drug works by re-establishing the vaginal microbiota, producing lactic acid to maintain a low vaginal pH (typically <4.5), and secreting antimicrobial substances such as hydrogen peroxide and bacteriocins to inhibit the growth of anaerobic pathogens like *Gardnerella vaginalis*. It is currently being evaluated in Phase III clinical trials in China, sponsored by Peking Union Medical College Hospital and manufactured by Zhejiang Wansheng Pharmaceutical.

Other names: Vaginal Four-strain Live Lactobacillus Capsules阴道用四联乳杆菌活菌胶囊

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