RNAi / siRNA vs ASO — Rare Disease Deal Terms Comparison
Market Analysis
In rare disease, RNAi / siRNA and ASO represent two of the most actively transacted modalities. At Phase 2, RNAi / siRNA deals carry a median total deal value of $2.5B with $456M upfront, compared to $2.5B total value and $456M upfront for ASO. The valuation difference reflects distinct risk-reward profiles, manufacturing complexity, and competitive dynamics.
Milestone structures diverge between the two modalities. RNAi / siRNA development milestones average $441M versus $441M for ASO. Commercial milestones are $1.1B for RNAi / siRNA and $1.1B for ASO. Royalty rates range from 8.2%-16.4% for RNAi / siRNA and 8.2%-16.4% for ASO.
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Frequently Asked Questions
How do RNAi / siRNA and ASO deal terms compare in rare disease?
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How do milestone structures differ between RNAi / siRNA and ASO?
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