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Updated: Nov 25, 2025

Author Spotlight: Revolutionizing Research on Vaginal Microbiome Interactions Using a Vaginal Chip
Published on: February 16, 2024
Connecting the Dots: Translating the Vaginal Microbiome Into a Drug
Laurel A Lagenaur1, Anke Hemmerling2, Charles Chiu3
1Osel, Inc., Mountain View, California, USA.
Restoring the vaginal microbiota with Lactobacillus crispatus CTV-05 may prevent bacterial vaginosis (BV) recurrence. This approach aims to replenish the vaginal microbiota, improving women's health and preventing infections.
Area of Science:
- Microbiology
- Gynecology
- Infectious Diseases
Background:
- A healthy vaginal microbiota (VMB) is dominated by Lactobacillus species, providing defense against urogenital infections.
- Dysbiosis, characterized by Lactobacillus depletion and increased microbial diversity, is linked to adverse gynecologic and obstetric outcomes, notably bacterial vaginosis (BV).
- Current BV treatments, primarily antibiotics, often fail due to persistent dysbiosis and inadequate Lactobacillus repopulation, leading to frequent recurrences.
Purpose of the Study:
- To evaluate the efficacy of a microbiome-based biologic, LACTIN-V (Lactobacillus crispatus CTV-05), in preventing recurrent bacterial vaginosis.
- To confirm the therapeutic approach of replenishing the dysbiotic VMB with protective L. crispatus.
Main Methods:
- Confirmation of the therapeutic approach using the microbiome-based biologic drug, LACTIN-V.
- Focus on the prevention of BV recurrence through L. crispatus CTV-05 administration.
Main Results:
- Lactobacillus crispatus is strongly associated with vaginal health and is depleted in dysbiosis.
- LACTIN-V, containing L. crispatus CTV-05, is a promising therapeutic agent for VMB restoration.
- The study confirms the potential of L. crispatus CTV-05 in preventing BV recurrence.
Conclusions:
- Restoring the vaginal microbiota with specific Lactobacillus species, such as L. crispatus CTV-05, is a viable strategy for managing bacterial vaginosis.
- LACTIN-V represents a novel treatment option for preventing recurrent BV and improving women's reproductive health.
- Targeting VMB dysbiosis with probiotics like L. crispatus offers a promising avenue for long-term management of gynecologic infections.
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