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Restrict the search for
m didanosine
to a specific field?
Status:
Investigational
Class (Stereo):
CHEMICAL (ABSOLUTE)
Tetronasin is a furanone derivative patented by Imperial Chemical Industries Ltd. as antibiotic and feed additive for ruminants. Tetronasin acts as divalent antiporter that binds preferentially with Ca2+ or Mg2+ and inhibits anaerobic fungi and Gram-negative bacteria in vitro.
Status:
Investigational
Source:
JAN:MAFOPRAZINE MESILATE [JAN]
Source URL:
Class (Stereo):
CHEMICAL (ACHIRAL)
Mafoprazine is a phenylpiperazine derivative exerting postsynaptic dopamine D2 receptor blocking activity and alpha-adrenergic activity (alpha 1 receptor blocking activity and alpha 2 receptor stimulating activity). In animal models, mafoprazine demonstrated antipsychotic, aggression-inhibiting and cataleptogenic actions.
Status:
Investigational
Source:
NCT00003523: Phase 2 Interventional Completed Ovarian Cancer
(1999)
Source URL:
Class (Stereo):
CHEMICAL (ABSOLUTE)
Conditions:
Rubitecan [Orathecin™] is a topoisomerase I inhibitor extracted from the bark and leaves of the Camptotheca acuminata tree, which is native to China. Rubitecan is an oral compound being developed for the treatment of pancreatic cancer and other solid tumours by SuperGen. Rubitecan binds to and inhibits the enzyme topoisomerase I and induces protein-linked DNA single-strand breaks, thereby blocking DNA and RNA synthesis in dividing cells; this agent also prevents repair of reversible single-strand DNA breaks.
Status:
Investigational
Source:
NCT00505076: Phase 2 Interventional Completed Schizophrenia
(2007)
Source URL:
Class (Stereo):
CHEMICAL (ACHIRAL)
MK 0777 is a selective GABAA α2/3 receptor partial agonist, for potential use in the treatment of Schizophrenia, Anxiety Disorder, and Generalized Anxiety Disorder. MK-0777 is functionally selective for the α2 and α3 subunits, with virtually no activity for the α1 and α5 subunits. Therefore, MK-0777 cause less sedation, interact less with alcohol, and exhibit less abuse potential and physical dependence than benzodiazepines. Unfortunately, in clinical trials, MK-0777 has little benefit for cognitive impairments in people with schizophrenia and anxiety disorder.
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
Class (Stereo):
CHEMICAL (ACHIRAL)
Targets:
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.
Class (Stereo):
CHEMICAL (ACHIRAL)
Targets:
Conditions:
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)
Targets:
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:peraclopone [INN]
Source URL:
Class (Stereo):
CHEMICAL (RACEMIC)
Peraclopone is a hypolidemic drug. It is an inhibitor of 7-Dehydrocholesterol reductase. Peraclopone potently inhibits the final step in cholesterol biosynthesis. Feeding this agent to rats leads to a rapid replacement of membrane cholesterol with its immediate precursor 7-dehydrocholesterol, and a dramatic reduction in plasma sterol concentration. Peraclopone caused a dose-dependent decrease in cholesterol and a concomitant accumulation of provitamin D3 (7-dehydrocholesterol) in the skin, which is accompanied by an increase in the plasma level of 25-hydroxyvitamin D3. Treatment with peraclopone dramatically alters membrane sterol content in many membranes including the microvillus membrane of both the jejunum and ileum. In the jejunal microvillus membrane a major change in chemical composition occurred, presumably in response to the alteration in membrane sterol. The net result was a significant decline in both the static and dynamic component of membrane fluidity.
Status:
Investigational
Source:
USAN:METOPRINE [USAN]
Source URL:
Class (Stereo):
CHEMICAL (ACHIRAL)
Conditions:
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.
