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Ancrod in the treatment of acute ischaemic stroke.

Abstract
Ancrod converts fibrinogen into soluble fibrin products, resulting in a decrease in plasma fibrinogen and blood viscosity, and also induces the release of endogenous tissue-type plasminogen activator from the vessel wall. These activities suggest that treating patients with acute ischaemic stroke with ancrod might result in improved cerebral blood flow and patient outcome. Two large randomised placebo-controlled studies have evaluated treatment with ancrod in patients with acute ischaemic stroke. In the first, patients were treated within 6 hours of symptom onset: this was not successful in quickly lowering fibrinogen levels to the target range (0.7 to 1.0 g/L) and the results were inconclusive. However, a post hoc analysis suggested that treatment with ancrod was effective in patients whose fibrinogen level was reduced to less than 1.3 g/L within 6 hours of starting treatment. A second larger study is still in progress, but preliminary results in patients treated within 3 hours of onset of ischaemic stroke are available and indicate that the target fibrinogen level of less than 1 g/L within 6 hours of instituting treatment is being achieved in most patients.
AuthorsR P Atkinson
JournalDrugs (Drugs) Vol. 54 Suppl 3 Pg. 100-8 ( 1997) ISSN: 0012-6667 [Print] New Zealand
PMID9360857 (Publication Type: Journal Article, Review)
Chemical References
  • Fibrinolytic Agents
  • Ancrod
Topics
  • Acute Disease
  • Ancrod (therapeutic use)
  • Brain Ischemia (drug therapy)
  • Clinical Trials as Topic
  • Fibrinolytic Agents (therapeutic use)
  • Humans

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