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The purpose of this study is to assess the safety and tolerability of allogeneic adult mesenchymal bone marrow cells administered intravenously to patients with ischemic stroke.
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Stroke remains a major global healthcare problem. Recent data compiled by the American Heart Association (AHA) for 2008 show that the annual incidence of new or recurrent stroke in the United States is about 780,000, with approximately 600,000 of these strokes being first attacks. Among adults age 20 and older, the estimated prevalence of stroke in 2005 was 5.8 million in the United States, resulting in >150,000 deaths annually, with 4.8 million stroke survivors alive today. Stroke ranks as the country's third leading cause of death, behind only cancer and heart disease. The only approved treatments of acute ischemic stroke involve restoring blood flow to the affected region by using thrombolytics or mechanical devices that physically remove clots. However, the use of thrombolytics is limited due to the therapeutic window of < 3-6 hours post onset of stroke symptoms such that only a small fraction of stroke patients receive this therapy. Following the completion of a stroke, there is little therapy to offer patients to promote recovery other than physical, occupational, and speech therapy.
Allogeneic mesenchymal stem cells have been used in a number of clinical trials for different indications demonstrated the safety of allogeneic mesenchymal stem cell treatment. In addition to their ability to differentiate into multiple different cell types that would be contributory to the recovery and repair of the brain by replacing destroyed cells, mesenchymal stem cells also secrete angiogenins, cytokines and trophic factors that can support and stimulate multiple other cell types. The cascade of cellular events following the release of these cytokines and trophic factors would also potentially lead to beneficial effects by restoring blood supply, by rescuing cells at risk, and by stimulating the remaining cell populations to repair and propagate new cells and synaptic connections.
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38 participants in 1 patient group
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Data sourced from clinicaltrials.gov
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