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Stem Cell vs Gene Therapy — Neurology Deal Terms Comparison

Stem Cell Median Upfront
$395M
Total: $3.5B
Gene Therapy Median Upfront
$331M
Total: $3.0B
Stem Cell Royalties
12.9%-20.6%
Tiered to 24.6%
Gene Therapy Royalties
12.3%-19.7%
Tiered to 23.7%

Market Analysis

In neurology, Stem Cell and Gene Therapy represent two of the most actively transacted modalities. At Phase 2, Stem Cell deals carry a median total deal value of $3.5B with $395M upfront, compared to $3.0B total value and $331M upfront for Gene Therapy. The valuation difference reflects distinct risk-reward profiles, manufacturing complexity, and competitive dynamics.

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Frequently Asked Questions

How do Stem Cell and Gene Therapy deal terms compare in neurology?
Stem Cell Phase 2 deals average $3.5B total deal value ($395M upfront), while Gene Therapy deals average $3.0B ($331M upfront). The difference reflects modality-specific risk profiles, manufacturing considerations, and competitive positioning.
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