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

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Showing 561 - 570 of 4343 results

Status:
Investigational
Source:
INN:ormaplatin
Source URL:

Class (Stereo):
CHEMICAL (ABSOLUTE)

Targets:

Conditions:

Ormaplatin (NSC 363812, tetraplatin) is a stable platinum (IV) analog. Ormaplatin alkylates DNA, forming both inter- and intra-strand platinum-DNA crosslinks, which result in inhibition of DNA replication and transcription and cell-cycle nonspecific cytotoxicity. Ormaplatin showed marked antitumor activity both in vitro and vivo. The severe, cumulative and irreversible peripheral neurotoxicity observed in phase I studies resulted in termination of further clinical development of ormaplatin.
Status:
Investigational
Source:
JAN:ECABAPIDE [JAN]
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)


Ecabapide (DQ 2511) is a compound with antiulcer and gastroprokinetic activity. Evidence from basic studies in animal models suggests that the drug acts on peripheral mechanisms of neural control. In the stomach, ecabapide acts to suppress firing in vagal afferent nerves and thereby reduce the flow of sensory information into the dorsal vagal complex. The mechanism of action of ecabapide in suppressing discharge in vagal afferent terminals appears to mimic that of nitric oxide by stimulating formation of cGMP and activation of an inhibitory transduction cascade in the sensory fibres. In this respect the mechanism of its pro-kinetic action differs from other promoter agents. Ecabapide development has been discontinued.
Status:
Investigational
Source:
INN:pincainide
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)



Pincainide is a new beta-amino anilide with local anesthetic properties. It has been shown to be 3 times more potent than lidocaine as a local anaesthetic on desheathed frog sciatic nerve. It was found to be effective against arrhythmias induced in guinea-pigs by ouabain infusion or by administration of adrenaline and chloroform. Pincainide not only inhibited the influx of Ca 2+ and increased 45Ca efflux, thus reducing the contractile responses induced in rat aorta by noradrenaline and high K +, but it also inhibited other effects related to the noradrenaline-induced release of intracellular Ca 2+ stores. Further studies, however, must be performed in experimental models of arrhythmias before the effectiveness of pincainide as an antiarrhythmic drug can be established.
Status:
Investigational
Source:
NCT00081107: Phase 2 Interventional Completed Lung Cancer
(2003)
Source URL:

Class (Stereo):
CHEMICAL (ABSOLUTE)



Epothilone D (KOS-862 or BMS-241027) is an intermediary obtained in the synthesis of members of the epothilone family and is a small-molecule microtubule stabilizer. It was investigated in Phase II trials in colorectal, metastatic breast and non-small-cell lung cancers. However, development was discontinued in 2007 in favor of a second-generation analog with a better safety profile. This drug also was studied for the treatment of Alzheimer's disease. The study ended in October 2013, and evaluation of epothilone D for Alzheimer's disease was subsequently discontinued. The mechanism by which epothilones induce microtubule polymerization appears to be similar to that of paclitaxel, in that epothilones compete with paclitaxel for binding to microtubules and suppress microtubule dynamics in a manner similar to that of paclitaxel.
Status:
Investigational
Source:
INN:berefrine
Source URL:

Class (Stereo):
CHEMICAL (EPIMERIC)

Berefrine (also known as phenylephrine oxazolidine), a prodrug of phenylephrine, is a mydriatic agent. Berefrine was developed for improving ocular absorption and reducing systemic side effects.
m-Chlorophenylpiperazine (meta-chlorophenylpiperazine or mCPP) is a psychoactive substance, which is illegal in many countries but can be found on the black market. It induces endocrine, neurological and psychiatric effects. mCPP is a partial agonist at the 5-HT2C receptor but antagonized the 5-HT2B and 5-HT3 receptors. mCPP is also an active metabolite of the drug trazodone, which is used as an effective antidepressant drug with a broad therapeutic spectrum, including anxiolytic efficacy. It is known, that mCPP induces migraine attacks and that the decrease of food intake induced by the mCPP depends on its ability to act as a serotonin agonist is a brain.
Metoprine is a diaminopyrimidine folate antagonist with potential antineoplastic activity. Metoprine inhibits dihydrofolate reductase, resulting in decreased cellular folate metabolism and cell growth. Metoprine shows potent in vitro antitumor activity against several experimental tumors including methotrexate-resistant tumors. Metoprine inhibits the enzyme dihydrofolate reductase, much less effectively than methotrexate but it also inhibits histamine-N-methyltransferase, resulting in decreased histamine catabolism. S phase cells are most sensitive, whilst cells in G2 and M are least sensitive to the lethal effects of Metoprine, and a prolonged exposure to a high Metoprine concentration produces maximum cytotoxic effects. After oral administration, Metoprine has a widespread distribution and concentration in all tissues examined with the highest tissue/plasma ratios found in brain, lung, pancreas, and skin. Phase I and early Phase II clinical trials in various centers have shown activity in hypernephroma, epidermoid carcinoma arising in bronchus or head and neck, central nervous system leukemia, malignant melanoma, and mycosis fungicides. Metoprine had been in some phase II clinical trials but further studies were discontinued due to CNS and hematological toxicity.
Status:
Investigational
Source:
NCT01039844: Phase 1 Interventional Terminated Melanoma
(2009)
Source URL:

Class (Stereo):
CHEMICAL (ABSOLUTE)

Status:
Investigational
Source:
INN:tyromedan
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)

Thyromedan is a thyroalkanoic acid derivative with hypocholesterolemic activity. In clinical trials, Thyromedan in daily doses of 8 to 32 mg caused a decrease in serum cholesterol levels. The serum total triglycerides and the α- and β-lipoprotein partition of cholesterol and triglycerides were unaffected.