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L-α-Glycerophosphorylcholine (alpha-GPC, choline alfoscerate, sn-glycero-3-phosphocholine) is a natural choline compound found in the brain. It is also a parasympathomimetic acetylcholine precursor [ 1 ] which has been investigated for its potential for the treatment of Alzheimer's disease [ 2 ] and other dementias .
Alpha-1 blockers can be used, but it can result in side effects such as increased urination and retrograde ejaculation. Phenoxybenzamine , a non-competitive α 1 and α 2 blocker was used by Dr. Giles Brindley in the first intracavernosal pharmacotherapy for erectile dysfunction.
Because drotrecogin-alpha is a therapeutic protein, there exists a potential for immunogenicity. Antibodies against drotrecogin have been observed. There is insufficient data at this time to quantify the risk, but extreme caution should be exercised if a patient has previously received drotrecogin-alpha.
Alpha-adrenergic agonists are a class of sympathomimetic agents that selectively stimulates alpha adrenergic receptors. The alpha-adrenergic receptor has two subclasses α 1 and α 2. Alpha 2 receptors are associated with sympatholytic properties. Alpha-adrenergic agonists have the opposite function of alpha blockers.
An off-label prescription drug has been shown to help children with autism gain the ability to speak. Leucovorin is used for cancer patients, but doctors are pushing for its approval for autism.
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They are mainly used in research, having found limited clinical application in human medicine. They are extensively used in veterinary medicine to reverse the effects of alpha-2 agonist drugs used as sedatives, like xylazine, medetomidine and dexmedetomidine. Alpha-2 blockers increase noradrenaline release.
This weak evidence for adverse effects has reduced the use of rosiglitazone, despite its important and sustained effects on glycemic control. [23] Safety studies are continuing. In contrast, at least one large prospective study, PROactive 05, has shown that pioglitazone may decrease the overall incidence of cardiac events in people with type 2 ...