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Gene Therapy vs Small Molecule — Rare Disease Deal Terms Comparison

Gene Therapy Median Upfront
$285M
Total: $1.6B
Small Molecule Median Upfront
$446M
Total: $2.4B
Gene Therapy Royalties
7.8%-15.6%
Tiered to 19.6%
Small Molecule Royalties
7.9%-15.7%
Tiered to 19.7%

Market Analysis

In rare disease, Gene Therapy and Small Molecule represent two of the most actively transacted modalities. At Phase 2, Gene Therapy deals carry a median total deal value of $1.6B with $285M upfront, compared to $2.4B total value and $446M upfront for Small Molecule. The valuation difference reflects distinct risk-reward profiles, manufacturing complexity, and competitive dynamics.

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Frequently Asked Questions

How do Gene Therapy and Small Molecule deal terms compare in rare disease?
Gene Therapy Phase 2 deals average $1.6B total deal value ($285M upfront), while Small Molecule deals average $2.4B ($446M upfront). The difference reflects modality-specific risk profiles, manufacturing considerations, and competitive positioning.
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