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Search results for memantine in Note (approximate match)
Showing 1 - 4 of 4 results
Status:
US Approved Rx
(2020)
Source:
ANDA210319
(2020)
Source URL:
First approved in 2003
Source:
NDA021487
Source URL:
Class (Stereo):
CHEMICAL (ACHIRAL)
Targets:
NAMENDA (marketed under the brands Namenda among others) is an N-methyl-D-aspartate (NMDA) receptor antagonist indicated for the treatment of moderate to severe dementia of the Alzheimer’s type. Persistent activation of central nervous system N-methyl-D-aspartate (NMDA) receptors by the excitatory amino acid glutamate has been hypothesized to contribute to the symptomatology of Alzheimer’s disease. Memantine is postulated to exert its therapeutic effect through its action as a low to moderate affinity uncompetitive (open-channel) NMDA receptor antagonist which binds preferentially to the NMDA receptor-operated cation channels. There is no evidence that memantine prevents or slows neurodegeneration in patients with Alzheimer’s disease. Memantine showed low to negligible affinity for GABA, benzodiazepine, dopamine, adrenergic, histamine and glycine receptors and for voltage-dependent Ca2+, Na+ or K+ channels. Memantine also showed antagonistic effects at the 5HT3 receptor with a potency similar to that for the NMDA receptor and blocked nicotinic acetylcholine receptors with one-sixth to one-tenth the potency. In vitro studies have shown that memantine does not affect the reversible inhibition of acetylcholinesterase by donepezil, galantamine, or tacrine.
Status:
US Approved Rx
(2014)
Source:
ANDA203104
(2014)
Source URL:
First approved in 1996
Source:
NDA020690
Source URL:
Class (Stereo):
CHEMICAL (RACEMIC)
Targets:
Conditions:
Donepezil, marketed under the trade name Aricept, is a medication used in the palliative treatment of Alzheimer's disease. Aricept is indicated for the treatment of dementia of the Alzheimer’s type. Efficacy
has been demonstrated in patients with mild to moderate Alzheimer’s Disease, as well
as in patients with severe Alzheimer’s Disease. Donepezil is postulated to exert its therapeutic effect by enhancing
cholinergic function. This is accomplished by increasing the concentration of
acetylcholine through reversible inhibition of its hydrolysis by acetylcholinesterase. Donepezil has been tested in other cognitive disorders including Lewy body dementia and Vascular dementia, but it is not currently approved for these indications. Donepezil has also been studied in patients with Mild Cognitive Impairment, schizophrenia, attention deficit disorder, post-coronary bypass cognitive impairment, cognitive impairment associated with multiple sclerosis, and Down syndrome.
Status:
Possibly Marketed Outside US
First approved in 1999
Source:
M012
Source URL:
Class:
STRUCTURALLY DIVERSE
Status:
US Previously Marketed
Source:
MACUGEN by BAUSCH AND LOMB INC
(2004)
Source URL:
First approved in 2004
Source:
MACUGEN by BAUSCH AND LOMB INC
Source URL:
Class:
NUCLEIC ACID
Conditions:
Pegaptanib is a selective vascular endothelial growth factor (VEGF) antagonist indicated for the treatment of neovascular (wet) age-related macular degeneration. Pegaptanib is an aptamer, a pegylated modified single-stranded oligonucleotide, which adopts a threedimensional conformation that enables it to bind to extracellular VEGF. Pegaptanib specifically binds to the 165 isoform of VEGF, a protein that plays a critical role in angiogenesis (the formation of new blood vessels) and increased permeability (leakage from blood vessels), two of the primary pathological processes responsible for the vision loss associated with neovascular age-related macular degeneration. Pegaptanib is administered in a 0.3 mg dose once every six weeks by intravitreal injection. An intravitreal injection is one that is administered directly into the eye, more specifically, into the vitreous humour, or the jelly-like fluid within the eye.