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Somatostatin levels are reduced in post mortem brains of patients with Alzheimer's disease (AD). FK960 is a somatostatin-releasing agent. After oral administration to rhesus monkeys, FK960 is distributed to the entire brain. In patients with AD, regional cerebral blood flow and regional cerebral metabolic rate of glucose correlate with cognitive decline and the appearance of pathological changes. Aged rhesus monkeys are a good animal model of AD as they develop age-associated cognitive impairment. FK960 (1 mg/kg) caused modest increases in regional cerebral blood flow and regional cerebral metabolic rate of glucose in aged monkeys, suggesting that FK960 will improve cognition. Thus, the activation of somatostatinergic neurotransmission, with FK960 or a similar drug, has considerable potential in the treatment of cognitive impairment.

Citation

Sheila A Doggrell. The potential of activation of somatostatinergic neurotransmission with FK960 in Alzheimer's disease. Expert opinion on investigational drugs. 2004 Jan;13(1):69-72

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PMID: 14680454

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