Excision BioTherapeutics

Excision BioTherapeutics

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Private Company

Total funding raised: $150M

Overview

Excision BioTherapeutics is pioneering the application of CRISPR gene-editing technology to directly target and eliminate latent viral DNA from the human genome, focusing on large and complex viruses like HIV, HSV, and HBV. The company's lead program, EBT-101, is a first-in-human CRISPR-based therapy for HIV that has completed a Phase 1/2 trial, demonstrating initial safety and proof-of-concept. As a private, pre-revenue entity, Excision is advancing a pipeline of in vivo gene therapies with the potential to address significant unmet medical needs in virology and genetic diseases. Its strategy combines a novel therapeutic approach with a platform capable of targeting multiple indications.

Infectious DiseaseGenetic Disorders

Technology Platform

Proprietary CRISPR-Cas gene-editing platform using AAV delivery and multiplexed guide RNAs to excise latent viral DNA from the human genome.

Funding History

3
Total raised:$150M
Series B$80M
Series A$60M
Seed$10M

Opportunities

The primary opportunity is to establish a new treatment paradigm by offering a one-time, potential functional cure for lifelong viral infections like HIV, HSV, and HBV, addressing multi-billion-dollar markets with high unmet need.
Success with its lead HIV program would validate its adaptable platform, accelerating and de-risking development for other viral and genetic indications.

Risk Factors

Major risks include the unproven long-term safety and efficacy of in vivo CRISPR editing, potential for immunogenicity and off-target effects, and the significant challenge of completely eradicating latent viral reservoirs.
The company also faces regulatory uncertainty for a first-in-class approach and relies on raising substantial capital in a competitive funding environment.

Competitive Landscape

Excision competes with other biotechs pursuing an HIV cure via different mechanisms (e.g., 'shock and kill', broadly neutralizing antibodies) and with large gene-editing platforms (e.g., CRISPR Therapeutics, Intellia Therapeutics) that have greater resources but are primarily focused on genetic diseases. Its unique focus on viral DNA excision provides a distinct competitive niche.