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Alfimeprase is a recombinant analog of fibrolase. Fibrolase is a zinc-containing metalloproteinase isolated from the venom of the southern copperhead snake (Agkistrodon contortrix contortrix). It is a small protein that contains 203 residues (Randolph et al. 1992). Alfimeprase is being developed by Nuvelo.
Alfimeprase is a recombinant analog of fibrolase. Fibrolase is a zinc-containing metalloproteinase isolated from the venom of the southern copperhead snake (Agkistrodon contortrix contortrix). It is a small protein that contains 203 residues (Randolph et al. 1992). Alfimeprase is being developed by Nuvelo.
When delivered locally at the site of a blood clot, alfimeprase has the potential, through a unique mechanism of action, to directly and rapidly degrade fibrin, a protein that provides the scaffolding for blood clots. In addition, alfimeprase's thrombolytic activity appears to be localized to the site of delivery because it is rapidly inactivated by alpha-2 macroglobulin, a naturally occurring protein in the blood, as it moves away from the site of delivery and into the general blood circulation.
Alfimeprase is being evaluated as a potential treatment for acute ischemic stroke, catheter occlusion (CO) and acute peripheral arterial occlusion (PAO).
