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

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Showing 201 - 210 of 317 results

Status:
US Previously Marketed
First approved in 1994
Source:
IOBENGUANE SULFATE I 131 by PHARMALUCENCE
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)


Iobenguane I-131 is a radioactive therapeutic agent. The drug contains radioactive isotope I-131, which decays by electron emission with a half-life of about 8 days. By the chemical structure, iobenguane is similar to the neurotransmitter norepinephrine and is subject to the same uptake and regulation pathways. After intravenous administration, iobenguane I-131 accumulates within pheochromocytoma and paraganglioma cells, and radiation from the radioactive decay causes cell death and tumor necrosis. Iobenguane I-131 was approved by the FDA for the treatment of adult and pediatric patients with iobenguane scan positive, unresectable, locally advanced or metastatic pheochromocytoma or paraganglioma who require systemic anticancer therapy. Iobenguane I-131 is investigated in clinical trials as a treatment of neuroblastoma, ganglioneuroblastoma and other tumors of neuroendocrinal origin.
Pinacidil is a clinically effective vasodilator used for the treatment of hypertension.
Status:
US Previously Marketed
Source:
GUANABENZ ACETATE by CHARTWELL RX
(1998)
Source URL:
First approved in 1982

Class (Stereo):
CHEMICAL (ACHIRAL)



Guanabenz, an antihypertensive agent for oral administration-, is an aminoguanidine derivative, 2,'6-dichlorobenzylideneamina-guanidine acetate. It is white to an almost white powder having not more than a slight odor. Sparingly soluble in water and in 0.1 N hydrochloric acid; soluble in alcohol and in propylene glycol. Guanabenz is an orally active central alpha-2 adrenergic agonist. Its antihypertensive action appears to be mediated via stimulation of central alpha-adrenergic receptors, resulting in a decrease of sympathetic outflow from the brain at the bulbar level to the peripheral circulatory system. In clinical trials, guanabenz acetate, given orally to hypertensive patients, effectively controlled blood pressure without any significant effect on glomerular filtration rate, renal blood flow, body fluid volume or body weight. The Myelin Repair Foundation and the National Institutes of Health (National Institute of Neurological Disorders and Stroke) are developing guanabenz for the treatment of multiple sclerosis. Unlike the currently available treatment for multiple sclerosis that suppresses the immune system, guanabenz, an FDA approved the drug for the treatment of high blood pressure, has a potential to reduce the loss of myelin by protecting and repairing myelin-producing cells in the brain from damage. Phase I development is underway in the US.
Status:
US Previously Marketed
First approved in 1982

Class (Stereo):
CHEMICAL (RACEMIC)


Conditions:

Guanadrel is a postganglionic adrenergic blocking agent. Uptake of guanadrel and storage in sympathetic neurons occurs via the norepinephrine pump or transporter. Guanadrel slowly displaces norepinephrine from its storage in nerve endings and thereby blocks the release of norepinephrine normally produced by nerve stimulation. The reduction in neurotransmitter release in response to sympathetic nerve stimulation, as a result of catecholamine depletion, leads to reduced arteriolar vasoconstriction, especially the reflex increase in sympathetic tone that occurs with a change in position. Guanadrel is used to treat and control hypertension.
Status:
US Previously Marketed
First approved in 1981

Class (Stereo):
CHEMICAL (ACHIRAL)


Conditions:

Bethanidine is a post-ganglionic adrenergic neurone-blocking agent which exerts a marked postural hypotensive effect. The precise mechanism whereby bethanidine causes blockade of adrenergic neurones is unknown. An initial sympathomimetic effect has been demonstrated in man and animals, possibly due to release of catecholamines.
Status:
US Previously Marketed
Source:
SODIUM THIOCYANATE by Smith-Dorsey Company
(1961)
Source URL:
*!
First approved in 1961
Source:
SODIUM THIOCYANATE by Smith-Dorsey Company
Source URL:
*!

Class (Stereo):
CHEMICAL (ACHIRAL)

Thiocyanic acid, also known as hydrogen thiocyanate, is a hydracid that is cyanic acid in which the oxygen is replaced by a sulfur atom. It has a role as an Escherichia coli metabolite. It is a hydracid, a one-carbon compound and an organosulfur compound. It is a conjugate acid of a thiocyanate. It is a tautomer of an isothiocyanic acid. In the past, thiocyanate was used therapeutically to treat severe hypertension, but the results of this therapy were inconsistent from clinic to clinic, and even within a single study. Thiocyanate is believed to play a role in an endogenous antibacterial system (lactoperoxidase/thiocyanate/hydrogen peroxide system) present in milk. It has been added commercially to some milk preparations as an antibacterial agent.
Status:
US Previously Marketed
Source:
GUANETHIDINE MONOSULFATE by WATSON LABS
(1985)
Source URL:
First approved in 1960
Source:
lsmelin Sulfate by Ciba
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)


Conditions:

Guanethidine belongs to the general class of medicines called antihypertensives. It was used to treat high blood pressure (hypertension). It is believed to act mainly by preventing the release of norepinephrine at nerve endings and causes depletion of norepinephrine in peripheral sympathetic nerve terminals as well as in tissues. It is taken up by norepinephrine transporters. It becomes concentrated in NE transmitter vesicles, replacing NE in these vesicles.
Status:
US Previously Marketed
First approved in 1958

Class (Stereo):
CHEMICAL (ACHIRAL)

Leonurine (LN) is a natural alkaloid extracted from Herba leonuri which is used in Chinese traditional medicine and possesses anti-inflammatory properties. Leonurine has potential as a therapeutic agent for rheumatoid arthritis and might be a promising therapeutic compound to treat osteoclast-related diseases, such as osteoporosis. These effects are achieved through the inhibition of NF-κB and mitogen-activated protein kinase pathways. In addition, it was found that leonurine protects BBB integrity by regulating the HDAC4/NOX4/MMP-9 tight junction pathway and could therfeore represent a new class of potential drugs against the acute onset of ischemic stroke. In experiments on mice with adenomyosis leonurine attenuated generalized hyperalgesia, however, the mechanism responsible for alleviating pain was not readily apparent.

Showing 201 - 210 of 317 results