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Therapeutic Uses of Ampakines

Ampakines have a broad range of potential therapeutic applications. These include relief of the effects of sleep deprivation, poor memories, stupidity (yes, they could be smart drugs!), Alzheimers, other forms of dementia, and general cognitive decline. Memory decline in human aging and dementia is linked to dysfunction of the cholinergic system.

Ampakines increase excitatory monosynaptic (that is - by one synapse between two neurons) responses, allowing increased communication rates through the neural network. There is hope that ampakines may improve long-term potentiation that assists in memory.

CX-516 (Ampalex) is known to enhance response of neuronal receptors, and it suspected to be a potential therapy for Alzheimer's Disease. Preliminary results suggest that CX516 and other ampakines hold promise for the treatment of schizophrenia. A 2006 study at the University of Alberta found that CX-546 reversed respitory depression in rats. It worked for both opiod and barbituate-induced repitory depression. The University of Alberta has also been researching the use of ampakines to help surgery patients keep breathing even when they have been given opiates as anaesthesia. Meanwhile University of California at Irvine scientists have found ampakines can affect the symptoms of Huntington's Disease in mice.

Scientists at the University of California at Irvine found ampakines had a big effect on the brains and the behavior of rats. THey examined the brain dendrites of middle-aged rats that got ampakines ad found the dendtire has length and branching patterns similar to those of young rats. When placed into a maze, the rats that had been treated with ampakines figured out their new environment faster than untreated rats did. These results seem to indicated ampakines have cognitive benefits.

A research team at Wake Forest University is verifying and extending preliminary data demonstrating that ampakines are protective against cognitive deficits associated with sleep deprivation. Ampakines already have been proven safe in humans, and are currently in clinical trials for the restoration of mental function in patients with dementia. Autism is of interest, too. There has also been some work on ampakines for treatment of Rett syndrome. It is envisioned that Ampakines may provide an alternative to current stimulant medications used by pilots.

Scientists continue to delve into the neuroanatomical, neurochemical, and molecular basis of wakefulness, which remains largely a mystery. It is known that multiple brain areas (hypothalamus, thalamus, and basal forebrain) must integrate and relay information from the brainstem to the cortex for the brain to be wakeful. Britain's Academy of Medical Sciences projects that cognitive enhancement drugs will eventually become widespread and prompt regulation. The think-tank Furturelab reported to the British government that enhancement drugs may have to be subsidized so wealthy children do not gain an unfair advantage over their poorer classmates.

Do you want a “super-memory”? Maybe not. People with huge memories are often poor at problem-solving and remembering so much seems to degrade the ability to generalize – which is a hallmark of intelligence. It might be that the memory capacity of the healthy young adult or teen is optimal. Ampakines and similar drugs may find the most demand for age-related memory decline, and certainly for mental illnesses like Alzheimer's and Huntington's.

Piracatem, a well-known favorite of the "smart drug" community, can be considered an ampakine. It helps with memory.

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