Nuvelo Inc. wasn't short of suitors for its clot-buster alfimeprase, in Phase III trials for acute peripheral arterial occlusion (PAO) and venous catheter occlusion (CO), when it first starting seeking partners for the drug last year. Phase III assets are rare as it is; even rarer are those with strong data and clear advantages over existing treatments. That mid-sized German group Bayer AG won the booty may seem surprising; less so, however, considering Bayer's cardiology heritage and pipeline--and its willingness to accept ex-US rights only.
Bayer will pay $50 million up front and up to $335 million in development and commercialization milestones for rights to...