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Small Molecule vs JAK Inhibitor — Immunology Deal Terms Comparison

Small Molecule Median Upfront
$466M
Total: $2.4B
JAK Inhibitor Median Upfront
$513M
Total: $2.7B
Small Molecule Royalties
13.1%-21.9%
Tiered to 25.9%
JAK Inhibitor Royalties
13.5%-22.5%
Tiered to 26.5%

Market Analysis

In immunology, Small Molecule and JAK Inhibitor represent two of the most actively transacted modalities. At Phase 2, Small Molecule deals carry a median total deal value of $2.4B with $466M upfront, compared to $2.7B total value and $513M upfront for JAK Inhibitor. The valuation difference reflects distinct risk-reward profiles, manufacturing complexity, and competitive dynamics.

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Frequently Asked Questions

How do Small Molecule and JAK Inhibitor deal terms compare in immunology?
Small Molecule Phase 2 deals average $2.4B total deal value ($466M upfront), while JAK Inhibitor deals average $2.7B ($513M upfront). The difference reflects modality-specific risk profiles, manufacturing considerations, and competitive positioning.
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