In developed countries, ischemic stroke is one of the leading causes of death and neurological impairment.
The two most important therapeutic approaches in patients with acute cerebral ischemia consist of improving cerebral blood flow and blocking the biochemical and metabolic changes at the ischemic cascade level.
The significant advances made in the past decade in the knowledge of the physiopathological mechanisms of cerebral ischemia, and the development of new drugs have given rise to true expectations regarding treatment and the rejection of nihilist attitudes. In the past 15 years, based on the excellent results obtained in experimental models of ischemia, many clinical trials have been conducted with different neuroprotective drugs.
The results obtained in most studies have been negative, or the studies were terminated early owing to side effects. However, some drugs (citicoline, clomethiazole, piracetam and ebselen) have shown a certain degree of clinical efficacy, limited to subgroups of patients, and with a narrow therapeutic window, longer-lasting in the case of citicoline.
The design of new clinical trials with neuroprotective drugs requires adequate preclinical assessment and the use of the new magnetic resonance techniques for the selection of patients and the assessment of the efficacy of treatment. The new trends in neuroprotection in focal cerebral ischemia and the results of the clinical trials published to date are reviewed.
CITATION Cerebrovasc Dis. 2001;11 Suppl 1:60-70
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