What's Happening?
nChroma Bio has presented preclinical data at the American Association for the Study of Liver Diseases (AASLD) 2025, showcasing their lead candidate, CRMA-1001, as a potential functional cure for chronic
hepatitis B. The data demonstrated robust suppression of hepatitis B surface antigen and HBV DNA in mouse models, with significant durability observed. CRMA-1001 utilizes a novel epigenetic silencing approach, targeting both cccDNA and integrated HBV DNA, offering a promising alternative to current antiviral treatments.
Why It's Important?
Chronic hepatitis B affects millions globally, with current treatments focusing on viral suppression rather than cure. nChroma Bio's approach represents a significant shift towards achieving functional cures for chronic diseases. If successful, CRMA-1001 could transform the lives of patients by reducing the need for lifelong treatment regimens and improving health outcomes. This advancement could also pave the way for new genetic medicine strategies targeting other chronic conditions.
What's Next?
nChroma Bio plans to initiate a Phase 1 first-in-human study of CRMA-1001 in early 2026, pending regulatory clearance. The company is preparing Clinical Trial Applications and aims to explore combination therapies with existing treatments. The success of these trials could lead to broader applications of epigenetic silencing in genetic medicine, potentially addressing other diseases with high unmet needs.
Beyond the Headlines
The development of CRMA-1001 highlights the ethical and regulatory challenges in advancing genetic medicine. Ensuring patient safety and addressing potential long-term effects of epigenetic therapies will be crucial. Additionally, the accessibility and affordability of such treatments could impact global health equity, necessitating discussions on policy and healthcare infrastructure.











