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

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Showing 13051 - 13060 of 13125 results

Status:
Withdrawn

Class (Stereo):
CHEMICAL (RACEMIC)



Pronetalol (Pronethalol) is a nonselective beta-adrenoceptor antagonist that is structurally related to propranolol. Pronethalol displays a ∼125–150-fold lower affinity (140–830 nM) for beta-adrenoceptors than propranolol (1.1–5.7 nM). Pronethalol was the first beta-adrenoceptor antagonist used for the treatment of coronary heart disease and cardiac arrhythmias. Pronethalol is a cationic-amphiphilic agent that exhibits membrane-stabilizing effects that are unrelated to beta-adrenoceptor blockade. Pronetalol itself never came into widespread clinical use; it was found to produce thymic tumors in mice, and was discarded in favor of a similar, safer compound, ICI 45,520.
Cefprozil is a 2nd generation cephalosporin that is FDA approved for the treatment of mild to moderate infections of upper respiratory tract, lower respiratory tract, and uncomplicated skin and skin-structure infections. Cefprozil, like the penicillins, is a beta-lactam antibiotic. By binding to specific penicillin-binding proteins (PBPs) located inside the bacterial cell wall, it inhibits the third and last stage of bacterial cell wall synthesis. Common adverse reactions include diarrhea, nausea, vomiting, dizziness, abdominal pain and vaginitis. Nephrotoxicity has been reported following concomitant administration of aminoglycoside antibiotics and cephalosporin antibiotics. Concomitant administration of probenecid doubled the AUC for cefprozil.
Clomiphene (CLOMID®) is a triphenyl ethylene stilbene derivative which is an estrogen agonist or antagonist depending on the target tissue. It is an orally administered, nonsteroidal, ovulatory stimulant. Clomiphene (CLOMID®) is a mixture of two geometric isomers [cis (zuclomiphene) and trans (enclomiphene)] containing between 30% and 50% of the cis-isomer. Clomiphene (CLOMID®) initiates a series of endocrine events culminating in a preovulatory gonadotropin surge and subsequent follicular rupture. The first endocrine event in response to a course of clomiphene therapy is an increase in the release of pituitary gonadotropins. This initiates steroidogenesis and folliculogenesis, resulting in growth of the ovarian follicle and an increase in the circulating level of estradiol. Following ovulation, plasma progesterone and estradiol rise and fall as they would in a normal ovulatory cycle.
Tetraamminecopper sulfate is a dark blue crystalline solid with a faint odor of ammonia. The primary hazard is the threat to the environment. Immediate steps should be taken to limit its spread to the environment. Used as a pesticide and fungicide, to print fabrics (especially in calico finishing), and to make other copper compounds.
mixture
Status:
Investigational
Source:
INN:falintolol [INN]
Source URL:

Class:
MIXTURE

Fallntolol is a beta-adrenergic receptor antagonist. Falintolol does not produce any noteworthy side effects and is capable of being an effective beta-blocking agent in open-angle glaucoma therapy.
mixture
Status:
Investigational
Source:
INN:xantocillin
Source URL:

Class:
MIXTURE

Xanthocillin is an antibiotic derived from Penicillium notatum. In vitro tests have shown that most of the common Gram-positive and Gram-negative pathogens, including Proteus and Pseudomonas pyocyanea, are sensitive to xanthocillin. Xanthocillin participated in the trial in patients with a variety of eczematous and intertriginous eruptions, in all of which bacterial infection was thought to be playing a part. Xanthocillin cream produced results, which were on par with other treatments. Information about the current use of this agent is not available.
mixture
Status:
US Previously Marketed
First approved in 1991

Class:
MIXTURE



Doxacurium chloride (formerly recognized as BW938U80 or BW A938U) is a neuromuscular-blocking drug or skeletal muscle relaxant in the category of non-depolarizing neuromuscular-blocking drugs, used adjunctively in anesthesia for endotracheal intubation or to facilitate mechanical ventilation. Unlike a number of other related skeletal muscle relaxants, it is rarely used adjunctively to facilitate endotracheal intubation. Doxacurium chloride is a mixture of three trans, trans stereoisomers, a dl pair [(1R,1'R ,2S,2'S ) and (1S,1'S ,2R,2'R )] and a meso form (1R,1'S,2S,2'R). NUROMAX binds competitively to cholinergic receptors on the motor end-plate to antagonize the action of acetylcholine, resulting in a block of neuromuscular transmission. This action is antagonized by acetylcholinesterase inhibitors, such as neostigmine.
mixture
Status:
Possibly Marketed Outside US
Source:
UK NHS:Flupentixol dihydrochloride
Source URL:

Class:
MIXTURE

Showing 13051 - 13060 of 13125 results