Scribe Therapeutics vs Prime Medicine
Side-by-side comparison of AI visibility scores, market position, and capabilities
Raised $100M Series B. Jennifer Doudna co-founder. Sanofi + Eli Lilly partnerships. STX-1150 (PCSK9 silencing via CasX-ELXR) IND projected mid-2026 — no permanent DNA edits.
About
Scribe Therapeutics was co-founded by Jennifer Doudna — who shared the 2020 Nobel Prize in Chemistry for CRISPR-Cas9 invention — and develops the ELXR platform: a CasX-based epigenetic silencing system that reduces gene expression without making permanent DNA cuts. The company has raised $100 million in Series B financing with strategic partnerships with Sanofi and Eli Lilly. The lead program, STX-1150, targets PCSK9 for durable LDL-C reduction and is projected to receive an IND and enter human trials in mid-2026.
Nasdaq-listed (PRME). $191M cash runway into 2027. IND for Wilson's Disease H1 2026. AATD IND mid-2026. $3.5B+ BMS collaboration. CGD Phase 1 showing rapid function restoration after single infusion.
About
Prime Medicine is a publicly-traded (Nasdaq: PRME) clinical-stage biotech developing Prime Editing — the most versatile and precise gene editing technology currently entering clinical trials, capable of making all 12 possible base-pair changes, small insertions, and deletions in DNA without double-strand breaks. The company has $191 million in cash runway into 2027, INDs planned for Wilson's Disease and Alpha-1 antitrypsin deficiency (AATD) in 2026, and a $55 million upfront collaboration with Bristol Myers Squibb worth up to $3.5 billion in milestones.
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