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Small Molecule vs ADC — Oncology Deal Terms Comparison

Small Molecule Median Upfront
$258M
Total: $1.6B
ADC Median Upfront
$411M
Total: $2.6B
Small Molecule Royalties
11.8%-19.3%
Tiered to 23.3%
ADC Royalties
13.6%-22.2%
Tiered to 26.2%

Market Analysis

In oncology, Small Molecule and ADC represent two of the most actively transacted modalities. At Phase 2, Small Molecule deals carry a median total deal value of $1.6B with $258M upfront, compared to $2.6B total value and $411M upfront for ADC. The valuation difference reflects distinct risk-reward profiles, manufacturing complexity, and competitive dynamics.

Milestone structures diverge between the two modalities. Small Molecule development milestones average $345M versus $550M for ADC. Commercial milestones are $483M for Small Molecule and $770M for ADC. Royalty rates range from 11.8%-19.3% for Small Molecule and 13.6%-22.2% for ADC.

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Frequently Asked Questions

How do Small Molecule and ADC deal terms compare in oncology?
Small Molecule Phase 2 deals average $1.6B total deal value ($258M upfront), while ADC deals average $2.6B ($411M upfront). The difference reflects modality-specific risk profiles, manufacturing considerations, and competitive positioning.
Which modality commands higher royalty rates: Small Molecule or ADC?
Small Molecule base royalties range from 11.8% to 19.3%, while ADC royalties range from 13.6% to 22.2%. High-tier escalation reaches 23.3% for Small Molecule and 26.2% for ADC.
How do milestone structures differ between Small Molecule and ADC?
Small Molecule deals allocate $345M to development milestones vs $550M for ADC. Commercial milestones are $483M (Small Molecule) vs $770M (ADC), reflecting different commercialization profiles and market expectations.
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