For many genetic diseases, we need to be EXACT

Neurogene is working to make gene therapy safer and more effective for families affected by devastating neurological diseases. Our proprietary EXACT technology provides controlled transgene expression, making treatments possible for diseases previously considered untreatable.

Too little gene expression can cause disease | CONTROLLED GENE EXPRESSION | Too much gene expression can cause toxicity.

EXACT allows us to avoid harmful extremes, by fine-tuning how much of the treatment is active in targeted cells. Precise, cell-specific control of transgene expression is achieved through the use of a microRNA-based circuit, which reduces variability, circumvents toxicity, and expands the therapeutic window for complex genetic disorders.

EXACT = Expression Attenuation via Construct Tuning

This illustration shows how EXACT acts like a smart regulator, binding and adjusting the level of transgene activity per cell, so it stays in the targeted range. EXACT integrates proprietary microRNA elements into the vector design, enabling dynamic regulation of mRNA and delivering targeted levels of therapeutic protein.

EXACT is a potentially transformational technology

EXACT Concept Chart

  • Platform technology with broad applicability
  • Differentiated approach addressing key safety challenges
  • Demonstrated encouraging results in Phase 1/2 clinical trial for Rett syndrome

By providing a safety valve against overexpression toxicity, EXACT has demonstrated a superior safety profile over conventional gene therapy in multiple preclinical models.

Manufacturing

INTERNAL CAPABILITIES ACCELERATE DEVELOPMENT AND PROVIDE FLEXIBILITY AND GREATER CONTROL

Houston ManufacturingWe make our gene therapy products in-house and have designed our processes to support a high level of quality and safety for patients. This means we can move faster and adapt quickly, because we know that patients and families are waiting. Our Houston facility provides us with control over timelines, product quality, and innovation. This internal capability reduces risk, accelerates development, and supports scalability for the future.

Quality
We follow exceptionally high safety and quality standards to make sure every therapy is pure, potent, and consistent because we know patients and families are relying on us to deliver. Our cGMP-compliant processes meet or exceed industry best practices, ensuring optimized potency and purity profiles, while supporting continuous product improvement.

Analytical Development
We rigorously test every product to confirm it meets high standards before it reaches patients. Advanced analytical methods and strategic collaborations enable robust product characterization and efficient release testing, ensuring quality and predictable timelines.

Process Development
We use proven processes that can scale from research to commercial production, helping us advance therapies faster. We have two independent, scalable platforms (HEK293 and Sf9 suspension systems) to support production of research-grade, clinical-grade, and in the future, commercial-grade material.

Multi-product Facility
Our Houston facility is designed to make multiple therapies efficiently so we can help more families sooner. Our 42,000-square-foot, state-of-the-art facility leverages single-use technologies for multi-product flexibility, supporting rapid innovation and pipeline expansion.

Partnerships

Partnering with the University of Edinburgh

University of EdinburghWe have a research collaboration with the University of Edinburgh, a world leader in biomedical and translational research for neurodevelopmental diseases.

The collaboration provides comprehensive research capabilities to Neurogene, enabling the company and the University to accelerate scientific innovation to continue to improve upon conventional gene therapy.

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