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

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Showing 15841 - 15850 of 16236 results

Status:
Possibly Marketed Outside US
Source:
CFR:21 CFR 357.210
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)

Conditions:

Behenic acid is a saturated fatty acid that is derived from the oil extracts of plants and used as a component of conditioning agents. Behenic acid is also a part of a novel complex of lipophilic ingredients developed for the treatment of dry skin. The properties of behenic acid were studied in comparison to others fatty acids and it was found that behenic acid does not inhibit the UDP-glucuronosyltransferase (UGT) 1A1 enzyme. The high levels of behenic acid in patients with low-grade glial tumors is an important indicator of the persistence of tissue integrity and tissue resistance. Therefore, behenic acid levels can be a prognostic factor in glial tumors.
Status:
Possibly Marketed Outside US
Source:
NCT02158182: Phase 4 Interventional Completed Hepatic Encephalopathy
(2014)
Source URL:

Class (Stereo):
CHEMICAL (ABSOLUTE)



Ornithine is an amino acid produced in the urea cycle by the splitting off of urea from arginine. It is a central part of the urea cycle, which allows for the disposal of excess nitrogen. Ornithine is also a precursor of citrulline and arginine. Arginine stimulates the pituitary release of growth hormone. Burns or other injuries affect the state of arginine in tissues throughout the body. As de novo synthesis of arginine during these conditions is usually not sufficient for normal immune function, nor for normal protein synthesis, ornithine may have immunomodulatory and wound-healing activities under these conditions (by virtue of its metabolism to arginine).
Status:
Possibly Marketed Outside US
Source:
Unknown by Sotiropoulos, J.|El Batouti, N.
Source URL:

Class (Stereo):
CHEMICAL (ABSOLUTE)



Enzacamene, ( )-[Bicyclo[2.2.1]-heptan-2-one, 1,7,7-trimethyl-3-[(4-methylphenyl)methylene]-, (1R,3E,4S)-] is one of enantiomer of Enzacamene (4-MBC) -- organic sunscreen components, that protects against UV radiation and may therefore help in the prevention of skin cancer. Enzacamene can exist as a cis-(Z)- and trans-(E)-isomer due to the exocyclic carbon-carbon (styrene) double bond. A commercial Enzacamene from a major supplier of UV filters showed the presence of only the (E)-isomer However, it is known that, upon exposure to light, (E)-4-Enzacamene is photochemically isomerized reversably to (Z)-4-Enzacamene. Both (E)- and (Z)-Enzacamene are chiral and thus consist of enantiomers (optical isomers). In a technical material and in a major brand sun lotion, Enzacamene was shown to consist entirely (>99%) of (E)-isomers and to be racemic. Wastewater showed the presence of both (E)- and (Z)-Enzacamene with a clear excess of (E)-isomers (E >Z). Untreated wastewater showed a nearly racemic composition suggesting that most if not all commercial Enzacamene is racemic. Treated wastewater indicated some excess of (R)- or (S)-stereoisomers ikely as a result of some enantioselective (bio)degradation in wastewater treatment plants. Enantiomers may show different biological behavior with respect to uptake, metabolism, and excretion and often differ in toxicity and other biological effects.
Status:
Possibly Marketed Outside US
Source:
NCT03980132: Phase 4 Interventional Completed Hyperthyroidism, Autoimmune
(2019)
Source URL:
First approved in 2010

Class (Stereo):
CHEMICAL (ACHIRAL)

TRIIODIDE ION is an active component of CitraNatal® 90 DHA, a prescription prenatal/postnatal multivitamin/mineral complex indicated for use in improving the nutritional status of women prior to conception, throughout pregnancy, and in the postnatal period for both lactating and nonlactating mothers.
Status:
Possibly Marketed Outside US
Source:
NCT02158182: Phase 4 Interventional Completed Hepatic Encephalopathy
(2014)
Source URL:

Class (Stereo):
CHEMICAL (ABSOLUTE)



Ornithine is an amino acid produced in the urea cycle by the splitting off of urea from arginine. It is a central part of the urea cycle, which allows for the disposal of excess nitrogen. Ornithine is also a precursor of citrulline and arginine. Arginine stimulates the pituitary release of growth hormone. Burns or other injuries affect the state of arginine in tissues throughout the body. As de novo synthesis of arginine during these conditions is usually not sufficient for normal immune function, nor for normal protein synthesis, ornithine may have immunomodulatory and wound-healing activities under these conditions (by virtue of its metabolism to arginine).
Status:
Possibly Marketed Outside US
Source:
NCT02158182: Phase 4 Interventional Completed Hepatic Encephalopathy
(2014)
Source URL:

Class (Stereo):
CHEMICAL (ABSOLUTE)



Ornithine is an amino acid produced in the urea cycle by the splitting off of urea from arginine. It is a central part of the urea cycle, which allows for the disposal of excess nitrogen. Ornithine is also a precursor of citrulline and arginine. Arginine stimulates the pituitary release of growth hormone. Burns or other injuries affect the state of arginine in tissues throughout the body. As de novo synthesis of arginine during these conditions is usually not sufficient for normal immune function, nor for normal protein synthesis, ornithine may have immunomodulatory and wound-healing activities under these conditions (by virtue of its metabolism to arginine).
Status:
Possibly Marketed Outside US

Class (Stereo):
CHEMICAL (ACHIRAL)

Sodium cation Na-22 (Sodium-22) is commonly used as a tracer for sodium transport assays, sodium influx and efflux assays, and Na+ permeability studies. Previously it was used for evaluation of sodium metabolism in some endocrine diseases and in patients with hypertension.
Status:
Possibly Marketed Outside US
Source:
Japan:Adenosine 5'-Triphosphate Disodium
Source URL:

Class (Stereo):
CHEMICAL (ABSOLUTE)


Adenosine triphosphate (ATP) is an adenine nucleotide containing three phosphate groups esterified to the sugar moiety. Adenosine triphosphate is the energy source in living cells. In physiological conditions, the average concentration varies from 3150 mM in mammalian cells to 1500–1900 mM in human blood cells. Extracellular adenosine and adenosine triphosphate (ATP) are involved in biological processes including neurotransmission, muscle contraction, cardiac function, platelet function, vasodilatation, signal transduction and secretion in a variety of cell types. A large family of membrane-bound receptors mediates cell signalling by ATP and adenosine. These purinergic receptors ultimately determine the variety of effects induced by extracellular ATP and adenosine. ATP and adenosine have strong negative chronotropic and dromotropic effects on the mammalian heart. The sensitivity of the sinus node and the atrioventricular node to ATP and adenosine manifests pronounced variability among species. For more than three decades, ATP has been used routinely in Europe in the acute therapy of paroxysmal supraventricular tachycardia. ATPace™, an injectable formulation of adenosine 5′-triphosphate (ATP), was developed by Cordex Pharma, Inc. (Cordex) as a diagnostic and therapeutic drug for the management of cardiac bradyarrhythmias. Extracellular ATP exerts multiple effects in various cell types by activating cell-surface receptors known as P2 receptors. In the heart, ATP suppresses the automaticity of cardiac pacemakers and atrioventricular (AV) nodal conduction via adenosine, the product of its degradation by ecto-enzymes, as well as by triggering a cardio-cardiac vagal reflex. ATP, given as a rapid intravenous bolus injection, has been used since the late 1940s as a highly effective and safe therapeutic agent for the acute termination of reentrant paroxysmal supraventricular tachycardia (PSVT) involving the AV node. In addition, preliminary studies have shown that ATP can also be used as a diagnostic agent for the identification of several cardiac disorders including sinus node dysfunction (sick sinus syndrome), dual AV nodal pathways, long QT syndrome, and bradycardic syncope. The US Food and Drug Administration has approved Cordex formulation for ATP as an Investigational New Drug and two pathways for its marketing approval; one therapeutic, i.e., acute termination of paroxysmal PSVT, and the other diagnostic, i.e., the identification of patients with bradycardic syncope who can benefit from pacemaker therapy. However later ATPace development for the treatment of bradycardia and paroxysmal supraventricular tachycardia was discontinued.
Farnesol, (2E,6E)- is an isoprenoid found in many aromatic plants and is also produced in humans, where it acts on numerous nuclear receptors and has received considerable attention due to its apparent anticancer properties. Farnesol is present in many essential oils such as citronella, neroli, cyclamen, lemon grass, tuberose, rose, musk, balsam, and tolu. It is used in perfumery to emphasize the odors of sweet floral perfumes. Its method of action for enhancing perfume scent is as a co-solvent that regulates the volatility of the odorants. It is especially used in lilac perfumes. Farnesol is a natural pesticide for mites and is a pheromone for several other insects. In a 1994 report released by five top cigarette companies, farnesol was listed as one of 599 additives to cigarettes. Farnesol has been suggested to function as a chemopreventative and anti-tumor agent. Farnesol is subject to restrictions on its use in perfumery as some people may become sensitized to it, however, the evidence that farnesol can cause an allergic reaction in humans is disputed.
Status:
Possibly Marketed Outside US
Source:
NCT01904396: Phase 4 Interventional Unknown status Carnitine Deficiency
(2013)
Source URL:
First approved in 2009

Class (Stereo):
CHEMICAL (RACEMIC)

Conditions:

L-carnitine (L-beta-hydroxy-gamma-N,N,N-trimethylaminobutyric acid) is conditionally necessary for mitochondrial transport and metabolism of long-chain fatty acids, and thus for myocardial energetic metabolism. D-carnitine is not biologically active and might interfere with proper utilization of the L isomer, and so there are claims that the racemic mixture (DL-carnitine) should be avoided. The pharmacological effects of carnitine are stereospecific: L-carnitine was effective in various animal and clinical studies, while D- and DL-carnitine was found to be ineffective or even toxic to some cells and tissues, such as muscle cells and the myocardium. DL-carnitine caused symptoms of myasthenia and cardiac arrhythmias, which disappeared after L-carnitine administration.

Showing 15841 - 15850 of 16236 results