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

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Showing 281 - 290 of 510 results

Epichatechin is one of the 4 catechin diastereoisomers. It can be isolated from a number of species of Palmae, as well as Dryas octopetala and guarana seeds. Epicatechin has been widely studied as a potential therapeutic compound in a wide variety of conditions including cancers, diabetes, heart conditions, and neurological conditions. Epicatechin is available as a natural health supplement and marketed for bodybuilding and the treatment of high blood pressure, high cholesterol, immune support, low testosterone, high blood sugar, and improved memory.
Status:
Possibly Marketed Outside US
Source:
NCT03384329: Phase 4 Interventional Completed Depression
(2018)
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)



Resveratrol, a natural non-flavonoid polyphenol, exhibits a wide range of beneficial properties as an anticancer agent, a platelet anti-aggregation agent, and an antioxidant, as well as its anti-aging, anti-inflammatory, antiallergenic. This compound is in phase III clinical trials in combination with carboxymethyl-β-glucan for improving nasal symptoms in children with pollen-induced allergic rhinitis. Also in phase III clinical trial in the treatment of painful knee osteoarthritis and in type 2 diabetic patients. It has been demonstrated that resveratrol may prevent type 2 diabetic by targeting Sirtuin type 1 (SIRT1), indicating that SIRT1 may be a novel therapeutic target for diabetes prevention.
Cianidanol is an antioxidant flavonoid, occurring especially in woody plants as both (+)-catechin and (-)-epicatechin (cis) forms. One of the polyphenols present in green tea, (+)-catechin (Cianidanol), has been studied for its effects on animal models of hepatitis, as well as in human clinical studies. Pure (+)-catechin (also known as (+)- cyanidanol-3 – trade name Catergen) has been used to treat hepatitis since 1976. This compound has been shown to be an efficient immune stimulator, promoting activation of macrophages, cytotoxic-T-lymphocytes, and natural killer cells in mice. Several clinical studies demonstrate the effectiveness of (+)-catechin in the treatment of viral hepatitis. Pure (+)-catechin has been found to cause hemolysis in some patients, possibly by the promotion of antibody formation against (+)-catechin, which might cross-react with red blood cells. However, there are no reports in the literature of green tea, green tea extracts, or green tea polyphenols causing this side-effect.
Status:
Possibly Marketed Outside US
Source:
NCT03915535: Phase 4 Interventional Terminated Healthy Athletes
(2019)
Source URL:
First approved in 2007

Class (Stereo):
CHEMICAL (ACHIRAL)



Doconexent (Docosahexaenoic acid, DHA) is an omega-3 fatty acid that is a primary structural component of the human brain, cerebral cortex, skin, and retina. DHA is widely used as a food supplement, and is beleived to support healthy brain development in young childred, prevent cardiovascular disease and cognitive decline during Alzheimer's disease. Most of these claims, however, were not supported by clinical trials. DHA spray is used as a tanner.
Status:
Possibly Marketed Outside US

Class (Stereo):
CHEMICAL (ABSOLUTE)


Carisbamate is an experimental anticonvulsant drug that was under development by Johnson & Johnson Pharmaceutical Research and Development but never marketed. Acute and chronic nonclinical toxicological studies have not revealed any significant abnormalities other than dose-related CNS toxicity. Carisbamate displays high potency in a broad range of rodent seizure and epilepsy models at doses well below those that produce CNS toxicity. The exact mechanism of action is unknown but neuroprotective and antiseizure activity of Carisbamate likely results in part from decreased calcium accumulation through blockade of T-type Ca2+ channels. A phase II clinical trial in the treatment of partial seizures demonstrated that the compound has efficacy in the treatment of partial seizures and a good safety profile. In large multicenter phase III clinical trial for the treatment of partial seizures carisbamate at doses of 300, 800, and 1,600 mg/d was effective as adjunctive therapy for reducing the frequency of partial-onset seizures. The most common adverse events, encountered mainly at daily doses of 1000 mg or more, were CNS-related, including headache, dizziness, somnolence, and nausea. In another phase III clinical trial, carisbamate was not more efficacious in migraine prophylaxis than placebo, but carisbamate monotherapy was well tolerated at doses up to 600 mg per day. Johnson & Johnson received provisional approval by the FDA to market carisbamate under the brand name of Comfyde. However, on August 21, 2009, Johnson & Johnson reported that the FDA had failed to give marketing approval.
Status:
Possibly Marketed Outside US
Source:
REMITCH by Toray
Source URL:

Class (Stereo):
CHEMICAL (ABSOLUTE)



Nalfurafine, an opioid κ-selective agonist, has been officially approved for resistant pruritus in HD patients on the basis of a well-evidenced clinical trial in Japan. Nalfurafine hydrochloride is a potent and selective agonist for mouse, rat, guinea pig, and human κ-opioid receptors without significant activity on µ- and δ-opioid receptors. Nalfurafine hydrochloride (2.5 and 5 ug/day) has been proven to be safe and effective for the treatment of HD patients with uremic pruritus resistant to antihistamines.
Status:
Possibly Marketed Outside US

Class (Stereo):
CHEMICAL (MIXED)



Valnoctamide is a valproic acid derivative associated with a decreased risk for congenital abnormalities and developed by Beersheva Mental Health Center for treatment mania. Valnoctamide has been marketed as an anxiolytic and sedative in several European countries (as Nirvanil), including Italy, Holland, and Switzerland, until the year 2000 but was not actively promoted as an anticonvulsant. It was marketed in the U.S. as Axiquel by McNeil Laboratories in the 1970s. In mice, valnoctamide has been shown to be distinctly less teratogenic than valproic acid. Injection of 3 mkmol ⁄ kg at day 8 of gestation produced only 1% exencephaly (as compared to 0–1% in control mice and 53% in valproate-treated mice). Embryolethality rates showed similar results: 52% with valproate versus 5% in the controls and 2% with valnoctamide. Valnoctamide's patent is expired, and it is not the property of any major pharmaceutical company. Valnoctamide has potential as a therapy in epilepsy including status epilepticus (SE) and neuropathic pain and is currently being developed for the treatment of mania and Schizoaffective Disorder. In clinical trials, Valnoctamide was well tolerated but lacked efficacy in the treatment of symptoms in patients with acute mania.
Ximelagatran (Exanta or Exarta, H 376/95) is an anticoagulant that has been investigated extensively as a replacement for warfarin that would overcome the problematic dietary, drug interaction, and monitoring issues associated with warfarin therapy. In 2006, its manufacturer AstraZeneca announced that it would withdraw pending applications for marketing approval after reports of hepatotoxicity (liver damage) during trials, and discontinue its distribution in countries where the drug had been approved (Germany, Portugal, Sweden, Finland, Norway, Iceland, Austria, Denmark, France, Switzerland, Argentina and Brazil). Ximelagatran is a prodrug that is rapidly converted after oral administration to the active compound melagatran. Melagatran is able to inhibit thrombin activity directly and quickly. The melagatran molecule binds to the arginine side pocket of thrombin, inactivating the thrombin. Following oral administration of ximelagatran, oral bioavailability (measured as melagatran) is 18% to 25%. Peak melagatran levels after a ximelagatran dose of 48 mg twice daily are achieved within approximately 2 hours. Ximelagatran is rapidly and extensively converted to melagatran in the liver and other tissues. This conversion is achieved by ester hydrolysis and reduction via two intermediate metabolites, hydroxymelagatran, and ethylmelagatran. The predominant compound in plasma is the active drug, melagatran. The elimination half-life of melagatran after an oral dose of ximelagatran is 2.5 to 4.3 hours.
Status:
Possibly Marketed Outside US

Class (Stereo):
CHEMICAL (ABSOLUTE)

Alniditan is a non-indole migraine-abortive agent. It is a benzopyran derivative The action of sumatriptan is thought to be mediated by 5-hydroxytryptamine (5-HT)1D-type receptors. Alniditan did not attenuate substance P-induced inflammation, suggesting that the mediating receptors are located prejunctionally. In vitro alniditan exhibited less vasoconstrictive effects on the rat basilar artery than did sumatriptan, although at a very high concentration, alniditan caused intensive constriction, most likely through a mechanism independent from 5-HT receptor activation. Alniditan dose dependently attenuated the neurogenic inflammation and was more potent than sumatriptan. Adverse effects are: head pressure, paraesthesia, and hot flushes.

Showing 281 - 290 of 510 results