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

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Showing 111 - 120 of 1197 results

Status:
Investigational
Source:
INN:nifenalol
Source URL:

Class (Stereo):
CHEMICAL (RACEMIC)



Nifenalol is the beta-receptor antagonist. It has optical isomers. The racemic mixture and the levo-isomer are active in antagonizing beta-receptors, but the dextro-isomer is inactive. The levo-isomer seems to be about twice as active in blocking beta-receptors as the racemate. Nifenalol is virtually devoid of local anesthetic properties in contrast to procaine, propranolol, and butidrine. Nifenalol exacerbated the fighting behavior in male mice by foot-shock. Nifenalol has been studied in patients with coronary artery disease. It afforded the coronary patient good protection against angina and ischemic changes in the EKG. It was further noted that nifenalol had no antiarrhythmic action and that it was devoid of evident side effects. Nifenalol possessed weak action against tremorine and oxotremorine induced tremor.
Status:
Investigational
Source:
USAN:Atiprosin Maleate
Source URL:

Class (Stereo):
CHEMICAL (RACEMIC)

Atiprosin (AY-28,228), an octahydro-pyrazino-pyrido-indole drug, possesses the alpha-adrenoceptor antagonist activity and exerts antihypertensive effects. Atiprosin has never been marketed
Status:
Investigational
Source:
INN:iproxamine [INN]
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)

IPROXAMINE is a peripheral vasodilator.
Status:
Investigational
Source:
INN:ciclotropium bromide
Source URL:

Class (Stereo):
CHEMICAL (EPIMERIC)

Ciclotropium is quaternary ammonium compound with anticholinergic and parasympatholytic activity. Oral Cyclotropium bromide inhibited fasting and meal-stimulated colonic motility significantly without causing adverse side effects. After cyclotropium bromide, there was a significant correlation between antral contraction amplitude and gastric emptying.
Status:
Investigational
Source:
INN:ebalzotan
Source URL:

Class (Stereo):
CHEMICAL (ABSOLUTE)

Ebalzotan is a selective serotonin (5-HT1A) receptor agonist, was chosen by Astra in the early 1990s as a candidate drug for the treatment of depression and anxiety. It has a modest affinity for the 5-HT(7). In vivo, ebalzotan induced all the typical effects of a 5-HT(1A) receptor agonist in rats: it decreased 5-HT synthesis (5-HTP accumulation) and 5-HT turnover (measured as the ratio of 5-hydroxyindoleacetic acid/5-HT), increased corticosterone secretion, induced the 5-HT(1A) syndrome (flat body posture and forepaw treading), inhibited the cage-leaving response, and caused hypothermia. Ebalzotan had been in phase I clinical trial for the treatment of major depressive disorder. However, this study was discontinued.
Status:
Investigational
Source:
INN:dimpylate
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)


Conditions:

Dimpylate (diazinon) is a nonsystemic organophosphate insecticide, an inhibitor of the enzyme acetylcholinesterase (AChE), which hydrolyzes the neurotransmitter acetylcholine (ACh) in cholinergic synapses and neuromuscular junctions. This results in abnormal accumulation of ACh in the nervous system. Dimpylate was first registered for use in the USA in 1956. It was developed as an insecticide, acaricide, and nematicide for use on a variety of pests for control of soil insects and pests of fruit, vegetables, and forage and field crops. It had been used extensively in home and garden applications, in formulations designed to prevent such pests as crickets or cockroaches from infesting homes or offices, and in pet collars. Due to the emerging health and ecological risks posed by diazinon, manufacturers agreed to phase out and cancel all residential products. Manufacturing of indoor use products containing dimpylatewas discontinued in 2001; manufacture of non-agricultural outdoor use products containing dimpylate was discontinued in 2003.
Status:
Investigational
Source:
INN:probarbital sodium
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)

Probarbital is ethylisopropylbarbituric acid patented by Thorp, L as hypnotic and sedative agent.
Status:
Designated
Source:
FDA ORPHAN DRUG:922822
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)

Status:
Designated
Source:
FDA ORPHAN DRUG:618717
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)

Gossypol is a substance that is found in the cotton plant. It is removed from the seeds and used for medicine. Gossypol is effective as a nonhormonal male contraceptive; however, it has been documented to have irreversible effects on male fertility. Gossypol is reported to exhibit antioxidant, anticancer, antivirus, antiparasitic, and antimicrobial properties and lower plasma cholesterol. Nausea, emesis, anorexia, diarrhea, altered taste sensation, small intestine obstruction, and fatigue have been recorded in clinical trials as adverse reactions. Large amounts of gossypol can decrease potassium levels in the body. Low potassium levels can increase the side effects of digoxin.