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Bispecific Antibody vs FcRn Antagonist — Immunology Deal Terms Comparison

Bispecific Antibody Median Upfront
$629M
Total: $3.3B
FcRn Antagonist Median Upfront
$583M
Total: $3.0B
Bispecific Antibody Royalties
14.4%-23.9%
Tiered to 27.9%
FcRn Antagonist Royalties
14%-23.4%
Tiered to 27.4%

Market Analysis

In immunology, Bispecific Antibody and FcRn Antagonist represent two of the most actively transacted modalities. At Phase 2, Bispecific Antibody deals carry a median total deal value of $3.3B with $629M upfront, compared to $3.0B total value and $583M upfront for FcRn Antagonist. The valuation difference reflects distinct risk-reward profiles, manufacturing complexity, and competitive dynamics.

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Frequently Asked Questions

How do Bispecific Antibody and FcRn Antagonist deal terms compare in immunology?
Bispecific Antibody Phase 2 deals average $3.3B total deal value ($629M upfront), while FcRn Antagonist deals average $3.0B ($583M upfront). The difference reflects modality-specific risk profiles, manufacturing considerations, and competitive positioning.
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