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Restrict the search for
dopamine
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Status:
Investigational
Source:
INN:levofacetoperane [INN]
Source URL:
Class (Stereo):
CHEMICAL (ABSOLUTE)
Levophacetoperane is a piperidine derivative. Levofacetoperane is a sympathomimetic central nervous system stimulant and is commonly used to treat depression. Levophacetoperane is also a known analeptic and is strongly linked to apnea reversal in dogs after a single intravenous injection.
Status:
Investigational
Class (Stereo):
CHEMICAL (ABSOLUTE)
Trepipam is a benzazepine derivative. It is a D1-dopamine antagonist. Trepipam significantly reduced aggression in behaviorally disturbed adolescents and in acute schizophrenics without producing concomitant sedation. Trepipam specifically reduces aggressive and hyperactive behaviors in a wide range of laboratory tests in various species, without producing signs of overt CNS depression or neurological impairment. The drug is effective in reducing many forms of aggression including brain stimulated emotional behavior. Trepipam actually had little effect on gross behavior in mice or rats and only produced ataxia at lethal doses.
Status:
Investigational
Class (Stereo):
CHEMICAL (RACEMIC)
Targets:
Conditions:
Butaclamol is an antipsychotic drug, which was studied for the treatment of schizophrenia. This drug has never marketed and now is used in research, because of its action as a dopamine receptor-blocking agent. Butaclamol consists of the two forms: (-)-butaclamol, an inactive drug and (+)-butaclamol, a potent neuroleptic drug.
Class (Stereo):
CHEMICAL (ABSOLUTE)
Conditions:
Naxagolide (MK-458; L 647,339; (+)-PHNO) is a dopamine D2/D3-receptor agonist, which was studied for the treatment of patients with Parkinson's disease, but further study was discontinued. In addition, was discovered, that Naxagolide C-11 ([(11)C]-(+)-PHNO) was a potential radiotracer for imaging the high-affinity state of dopamine D2 receptors with positron emission tomography (PET) in human subjects. This radiotracer is a suitable for imaging the agonist binding sites (denoted D(2HIGH) and D(3)) of these receptors. PET studies in nonhuman primates documented that, in vivo, [(11)C]-(+)-PHNO displays a relative selectivity for D(3) compared with D(2HIGH) receptor sites and that the [(11)C]-(+)-PHNO signal is enriched in D(3) contribution compared with conventional ligands such as [(11)C] raclopride. Recently was published article reflects the relationship between social attachment and dopamine D2/3 receptor availability in the brains of healthy humans using [11C]-(+)-PHNO.
Class (Stereo):
CHEMICAL (ACHIRAL)
Conditions:
Oxidopamine (6-Hydroxydopamine) is an antagonist of the neurotransmitter dopamine with potential antineoplastic activity. 6-Hydroxydopamine (6-HOD) can be taken up by selective adrenergic terminals, thereby causing acute degeneration of adrenergic terminals that leads to depletion of norepinephrine, and of dopamine in the dopamine-sensitive sites. This agent is auto-oxidated at physiological pH that leads to the formation of reactive free radicals, thereby leading to cytotoxicity in neural cells. 6-Hydroxydopamine is often used to induce CNS and sympathetic neural lesions that model aging and various nervous disorders in animal systems. The growth of C-1300 neuroblastoma was markedly slowed in 6-hydroxydopamine-treated mice. The growth of the A-10 breast adenocarcinoma was also significantly retarded in 6-hydroxydopamine-treated mice but the growth of B-16 melanoma was not affected.
Class (Stereo):
CHEMICAL (ABSOLUTE)
Lergotrile is an ergot alkaloid clinically effective in the treatment of Parkinson’s disease. The in vivo dopaminergic effects of lergotrile are similar to those produced by the direct acting dopaminergic agonists apomorphine or L-DOPA. Like apomorphine or L-DOPA, lergotrile decreases prolactin secretion, produces stereotyped behavior in intact rats, and causes contralateral rotation in rats with uniIateral 6-hydroxydopamine lesions of substantia nigra. However, unlike apomorphine or L-DOPA, lergotrile does not activate dopamine sensitive adenylate cyclase in vitro. Side effects of lergotrile included exacerbation of hallucinations, dyskinesias, hypotension, and alterations in liver function tests. Although lergotrile, when added to levodopa, has a definite antiparkinsonian effect, the incidence of adverse effects, particularly hepatotoxicity, makes it unlikely that this ergot alkaloid will become widely available for the treatment of Parkinson’s disease.
Status:
Investigational
Source:
INN:solypertine [INN]
Source URL:
Class (Stereo):
CHEMICAL (ABSOLUTE)
Solypertine (WIN-18413-2) is an antiadrenergic drug. Solypertine selectively blocked the conditioned avoidance response in rats. Solypertine potentiated hexobarbitone sleeping time, caused hypothermia and afforded protection from amphetamine toxicity inaggregated mice.
Status:
Investigational
Class (Stereo):
CHEMICAL (ACHIRAL)
Rimcazole is a carbazole derivative that acts as a sigma receptor antagonist and studied as potential antipsychotic agent for the treatment of acute schizophrenic patients. In open-clinical trials Rimcazole (BW 234U) appears to be effective in acute schizophrenic patients. However, subsequent clinical trials demonstrated that rimcazole lacked efficacy in schizophrenic patients and it is now primarily used as an experimental tool. In addition to its actions as receptor antagonist, rimcazole also has high affinity for dopamine transporters, and inrecent years it has served as a lead compound for the development of novel dopamine transporter ligands.
Status:
Other
Class (Stereo):
CHEMICAL (RACEMIC)
DL-Tetrahydropalmatine (dl-THP), an active component isolated from Corydalis species (a Chinese herbal medicine). dl-THP has inhibitory effects on liver injury induced by carbon tetrachloride in mice. The drug demonstrated anxiolytic and anti-nociceptive effects in animal models. dl-THP may act through inhibition of amygdaloid dopamine release to inhibit an epileptic attack – it is a very effective anti-epileptogenic and anticonvulsant agent. dl-THP has been found to have antihypertensive effects. It acts through the 5-HT2 and/or D2-receptor antagonism in the hypothalamus to induce hypotension and bradycardia in rats.
Status:
Other
Class (Stereo):
CHEMICAL (ACHIRAL)
