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

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Showing 51 - 60 of 609 results

Status:
Investigational
Source:
INN:rocastine
Source URL:

Class (Stereo):
CHEMICAL (RACEMIC)

Rocastine (AHR-11325) is a potent, nonsedating antihistamine with a rapid onset of action. This H1-antagonist effectively protected guinea pigs challenged with a lethal dose of histamine. It has also been mentioned in patents as a candidate to treat eye conditions and cough/cold mixtures (in which the lack of sedative effects from a non-sedating antihistamine would be especially useful in children, because daytime sedation is especially undesirable in this group). However, information on current use is not available and other second-generation, non-sedative antihistamines are available.
Status:
Investigational
Source:
INN:nebracetam
Source URL:

Class (Stereo):
CHEMICAL (RACEMIC)

Nebracetam (WEB1881FU) is a pyrrolidinone nootropic. Like other racetams, it is an aminomethyl pyrrolidinone derivative of piracetam. It was first synthesized in Germany in the late 1980s, where it was manufactured by Boehringer Ingelheim. Nebracetam is a M1-muscarinic agonist. In Jurkat cells Nebracetam induced a rise of [Ca2+]i in the medium with 1 mM Ca2+ and without Ca2+ (plus 1 mM EGTA). The nebracetam-induced [Ca2+]i rise was blocked by atropine greater than pirenzepine greater than AF-DX 116. Nebracetam facilitates the ganglionic muscarinic transmission through acting on presynaptic sites. Nebracetam has been investigated as a cognition-enhancing drug, but most of the studies have taken place in animal models. It has been shown to protect neurons in animals exposed to low levels of oxygen and low blood sugar. Nebracetam is also protective against glutamate toxicity, presumably via its modulation of calcium entry. In animal models of Alzheimer’s disease, nebracetam improved memory in a dose-dependent manner. It also protected against ischemia- (lack of oxygen) induced neuronal death in a rat model of stroke. The compound has also been tested as a possible antidepressant, presumably because its mechanism of action (reducing dopaminergic and serotonergic uptake) is similar to other commonly used antidepressants. Some studies have taken place in humans. A single dose was shown to alter brain waves in healthy volunteers, who showed increased alpha activity and an associated decrease of slow activity and of fast activity in the frontal cortex. These results imply that nebracetam might improve linguistic learning and memory processing. A trial in dementia patients reported that significant clinical improvement occurred after 8 weeks. However, other studies did not replicate this finding.
AZD8055 is a new ATP-competitive mTOR kinase inhibitor that was developed to overcome the limitations of the first generation of allosteric mTORC1 inhibitors (rapamycin and its analogs) as anticancer agents. AZD8055 potently and selectively inhibits mTOR by directly targeting its catalytic site, which results in the blockade of the activity of both mTORC1 and mTORC2 complexes. It displays antitumoral activity by inhibiting proliferation and/or inducing cell death in various cancer cell models, including ovarian clear cell carcinoma.
Status:
Investigational
Source:
INN:celivarone [INN]
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)

Celivarone is a benzofuran derivative with a multifactorial mode of action including class IV Vaughan Williams’ electrophysiological as well as anti-adrenergic properties. It has no iodine and has a limited tissue accumulation compared with amiodarone. Celivarone exhibits effective anti-arrhythmic properties in several ventricular ischemia- or reperfusioninduced arrhythmia models as well as in in vitro and in vivo atrial fibrillation (AF) models. Its electrophysiological properties are similar to amiodarone (multifactorial mode of action) but with different relative effects on the ion channels. At the ventricular level, celivarone shows anti-arrhythmic activities by suppressing reperfusion-induced arrhythmias (i.v. and oral routes) and reducing the early mortality due to myocardial infarction (oral route) in rats models. At the atrial level, celivarone is effective in atrial fibrillation models with restoration of sinus rhythm or prevention of AF induction and AF recurrence.
Status:
Investigational
Source:
INN:dofequidar
Source URL:

Class (Stereo):
CHEMICAL (RACEMIC)



Dofequidar (MS-209), a quinolone-derived sphingomyelin synthase inhibitor that blocks P-glycoprotein and multidrug resistance-associated protein-1, is under development by Schering for the potential treatment of multidrug resistant tumors. MS-209 had been in phase III clinical trials for the treatment of breast cancer and non-small lung cancer. But this research was discontinued in 2004. Detected adverse events are: nausea, vomiting, leukopenia, neutropenia, anorexia, constipation.
Status:
Investigational
Source:
INN:ipazilide [INN]
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)


Ipazilide is an antiarrhythmic agent that prolongs ventricular refractoriness and possesses antiectopic activity. In clinical trials ipazilide administrations leads to dose- and time-dependent in decrease cardiac index and arterial pressure. Left ventricular filling pressure, right atrial pressure, and heart rate were not altered by ipazilide. Plasma concentrations of ipazilide peaked 90 minutes after administration of 100 or 200 of the drug, but peak concentrations were noted 3 hours after administration of 400 mg. The hemodynamic response correlated with the plasma concentration of ipazilide determined contemporaneously.
Status:
Investigational
Source:
INN:clovoxamine [INN]
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)

Clovoxamine is an antidepressant and anxiolytic drug, acting as a serotonin and norepinephrine reuptake inhibitor. The drug was investigated in the double-blind clinical trials for the treatment of anxiety neurosis, where it was compared with diazepam, and found to have comparable efficacy but higher drop out rate.
Status:
Investigational
Source:
INN:befiradol [INN]
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)

Befiradol (also known as NLX-112) was initially developed by Pierre Fabre as a selective serotonin-1A receptor agonist for the treatment of cancer pain and neuropathic pain. However, these trials were discontinued. In 2013, the development and commercialization rights were licensed to Neurolixis. Neurolixis studied befiradol in Parkinson’s disease (PD) patients that exhibit dyskinesia. Dyskinesia is a side effect that appears after several years of action Levodopa, a drug that remains the gold standard treatment for PD. In 2019, FDA gave a positive response to Neurolixis’s befiradol to be tested in Phase 2 clinical in Parkinson's disease patients suffering from debilitating levodopa-induced dyskinesia.
Status:
Investigational
Source:
INN:onvansertib [INN]
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)



NMS-P937 is a selective PLK1 inhibitor. It was developed by Nerviano Medical Sciences and tested in phase I clinical trials.