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Royalty Pharma acquires royalty interest in AstraZeneca’s cliramitug for up to $425 million from Neurimmune

$RPRXPress releaseJul 22, 2026, 7:05 AM ETRead the release

Royalty Pharma acquired a portion of Neurimmune’s royalty interest in AstraZeneca’s Phase 3 asset cliramitug for up to $425 million, including $125 million upfront. The deal secures a 3% to 4% royalty on worldwide net sales of cliramitug, a first-in-class treatment for ATTR-CM with peak sales estimated between $3 billion and $5 billion.

Key figures

Deal Value Usd
425000000
Royalty rate
3% to 4%
Peak sales estimate
$3 billion to $5 billion
Upfront payment usd
125000000
Milestone payment usd
175000000
Subsequent payment usd
125000000
Attr cm market size 2025
$7 billion

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