U.S. Department of Health & Human Services Divider Arrow National Institutes of Health Divider Arrow NCATS

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Showing 2521 - 2530 of 2546 results

Status:
Possibly Marketed Outside US

Class (Stereo):
CHEMICAL (ACHIRAL)


Omoconazole is an azole antifungal drug, is used to treat candidiasis; dermatophytes and Pityriasis Versicolor
Tilarginine is L-N-monomethyl arginine (L -NMMA), a non-selective inhibitor of nitric oxide synthase (NOS), which has been studied in the treatment of septic shock and cardiogenic shock complicating myocardial infarction. Despite strong evidence that excessive nitric oxide (NO) production plays a pivotal role in the pathogenesis of septic shock and may contribute to the pathogenesis of cardiogenic shock complicating myocardial infarction, outcome studies in these two disorders have proved disappointing. Tilarginine therapy was associated with an excess mortality, particularly at doses > 5 mg/(kg h), in septic shock, whereas the effects of a lower dose (1 mg/(kg h)) in cardiogenic shock complicating myocardial infarction were neutral. The excess mortality in patients with septic shock was almost certainly the result of unfavorable hemodynamic changes induced by Tilarginine (decreased cardiac output, increased pulmonary vascular resistance and reduced tissue oxygen delivery) whereas the lack of benefit in patients with cardiogenic shock complicating myocardial infarction may have been because the dose of Tilarginine was too low.
Status:
Possibly Marketed Outside US
Source:
NCT02020408: Phase 4 Interventional Completed Eating Disorder
(2011)
Source URL:

Class (Stereo):
CHEMICAL (ABSOLUTE)



Raclopride is a salicylamide neuroleptic, that acts as a selective antagonist of D2 dopamine receptors both in vitro and in vivo. Tritium-labelled raclopride has properties that demonstrate its usefulness as a radioligand for the labelling of dopamine-D2 receptors : 3H-Raclopride has a high affinity for the rat and human dopamine-D2 receptors, the non-specific binding of 3H-raclopride is very low, not exceeding 5% of the total binding and the distribution of the 3H-raclopride binding sites in the brain closely correlates with the dopaminergic innervation. The binding of 3H-raclopride is blocked by dopamine-D2 agonists and antagonists, while the D1 agonist SKF 38393 and the Dl antagonist SCH 23390 have much less potency. The interaction of dopamine with 3H-raclopride binding results in a shallow competition curve, which suggests that 3H-raclopride, similar to other dopamine-D2 radioligands, labels both high and low agonist affinity states of the dopamine-D2 receptor. The in vivo receptor binding studies performed with 3H-raclopride also demonstrate its favorable properties as a dopamine-D2 receptor marker in vivo In contrast to some other compounds used as radioligands, raclopride enters the brain readily and binds with a low component of non-specific binding in all dopamine-rich brain areas. A saturation curve may be achieved in vivo binding studies since injections of increasing concentrations of 3H-raclopride appears to be saturated at concentrations above 25 mkCi (corresponding to approximately 5 nmol/kg). Raclopride antagonizes apomorphine-induced hyperactivity in the rat at low doses (ED50 = 130 nM/kg i.p.) but induces catalepsy only at much higher doses (ED50 = 27 mkM/kg i.p.). Radiolabelled raclopride has been used as a ligand for in vitro and in vivo autoradiography in rat and primate brains. Raclopride C 11 is used with positron emission tomography (PET) as a clinical research tool to determine dopamine type 2 (D 2) receptor density in the human brain under normal and pathological conditions. For example, raclopride C 11 used in PET studies has served to confirm the age-related decrease in striatal dopamine D2 receptor density, which may be associated with a decline in the motor as well as cognitive functions. In patients with Alzheimer's disease, raclopride C 11 may be used to examine neuroreceptor distribution and quantities, which may help in the analysis of degenerative alterations of neuron populations and neuroreceptor systems in patients with this disease. In Huntington's disease, in which degeneration of neostriatal interneurons occurs (postsynaptic to the dopaminergic input), specific binding of raclopride C 11 to D 2 receptors may serve as one of the parameters in predicting performance in cognitive tasks.
Aprindine is a class Ib antiarrhythmic agent. It is not approved in USA, but is available in European countries, where it is used to treat supraventricular and ventricular arrhythmias. Aprindine acts by blocking sodium voltage channels and disrupting interactions between calmodulin and prosphodiesterase.
Status:
Possibly Marketed Outside US

Class (Stereo):
CHEMICAL (ACHIRAL)



Tilorone (trade names Amixin, Lavomax and others) is the first recognized synthetic, small molecular weight compound that is an orally active interferon inducer. Tilorone induces the formation of interferons (alpha, beta, gamma) by intestinal epithelial cells, hepatocytes, T-lymphocytes, and granulocytes. After ingestion, the maximum production of interferon is determined in the sequence of the intestine - liver - blood after 4-24 hours. Activates the stem cells of the bone marrow, stimulates humoral immunity, increases the production of IgM, IgA, IgG, affects the antibody formation, reduces the degree of immunosuppression, restores the ratio of T-helperers / T-suppressors. The mechanism of antiviral action is associated with the inhibition of translation of virus-specific proteins in infected cells, thereby suppressing the replication of the virus. Effective against influenza viruses and viruses that cause ARVI, hepato- and herpesviruses, incl. CMV and others. The mechanism of antiviral action is associated with the inhibition of translation of virus-specific proteins in infected cells, thereby suppressing the replication of the virus.
Gabexate is a synthetic protease inhibitor, was shown to be effective in treating patients with sepsis-associated disseminated intravascular coagulation in which tumor necrosis factor-alpha (TNF-alpha) plays a critical role. Gabexate mesylate is a drug marketed only in Italy and Japan and it is considered an essential drug in the treatment of acute pancreatitis. Gabexate is marketed under the brand name REMINARON among others in Japan. It relieves inflammatory symptoms in the pancreas by inhibiting various enzymes. It also improves organ disorders and bleeding tendency caused by blood clots in blood vessels by inhibiting blood coagulation. It is usually used to treat acute pancreatitis with deviation of proteolytic enzymes (such as trypsin, kallikrein and plasmin), acute exacerbation of chronic recurrent pancreatitis, acute pancreatitis after surgery and disseminated intravascular coagulation.
Pixantrone is a novel anthracenedione. It is a weak inhibitor of topoisomerase II. Pixantrone directly alkylates DNA forming stable DNA adducts and cross-strand breaks. Pixuvri is approved for the treatment of adult patients with multiply relapsed or refractory aggressive Non-Hodgkin lymphomas. It is used for patients whose cancer does not respond or has returned after they have received other chemotherapy treatments. The most frequent AE were seen in the blood (mainly neutropaenia), gastrointestinal (nausea, abdominal pain, constipation) and respiratory systems (cough, dyspnea). No drug-drug interaction studies have been submitted and no drug interactions have been reported in human subjects
Melperone is an antipsychotic drug which is used in Europe for the treatment of sleep disorders, agitation and confusion states. The exact mechanism of melperone action is unknown.
Flunarizine is a selective calcium entry blocker with calmodulin binding properties and histamine H1 / dopamine D2 blocking activity. It is not available in the US but marketed in other countries for prophylaxis of a migraine, occlusive peripheral vascular disease, the vertigo of central and peripheral origin, motion sickness and as an adjuvant in the therapy of epilepsy. The drug is also investigated for the treatment of schizophrenia.
Status:
Possibly Marketed Outside US
Source:
Japan:Dilazep Dihydrochloride
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)



Dilazep is a coronary and cerebral vasodilator as an adenosine reuptake inhibitor. Dilazep is an inhibitor of platelet aggregation and of membrane transport of nucleosides. Dilazep is also known to have a vasodilating effect on renal vessels and is often used in patients with ischaemic heart disease, cerebral ischemia or renal dysfunction to improve tissue circulation.

Showing 2521 - 2530 of 2546 results