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Status:
US Previously Marketed
Source:
BEPADIN by MEDPOINTE PHARM HLC
(1990)
Source URL:
First approved in 1990
Source:
BEPADIN by MEDPOINTE PHARM HLC
Source URL:
Class (Stereo):
CHEMICAL (RACEMIC)
Targets:
Bepridil is a calcium channel blocker that has well characterized anti-anginal properties and known but poorly characterized type 1 anti-arrhythmic and anti-hypertensive properties. It has inhibitory effects on both the slow calcium and fast sodium inward currents in myocardial and vascular smooth muscle, interferes with calcium binding to calmodulin, and blocks both voltage and receptor operated calcium channels. It is used to treat hypertension (high blood pressure), angina (chest pain), sustained atrial fibrillation and tachyarrhythmia. The most common side effects were upper gastrointestinal complaints (nausea, dyspepsia or GI distress), diarrhea, dizziness, asthenia and nervousness. Certain drugs could increase the likelihood of potentially serious adverse effects with bepridil hydrochloride. In general, these are drugs that have one or more pharmacologic activities similar to bepridil hydrochloride, including anti-arrhythmic agents such as quinidine and procainamide, cardiac glycosides and tricyclic anti-depressants. Anti-arrhythmics and tricyclic anti-depressants could exaggerate the prolongation of the QT interval observed with bepridil hydrochloride. Cardiac glycosides could exaggerate the depression of AV nodal conduction observed with bepridil hydrochloride.
Status:
US Previously Marketed
Source:
PINDAC by LEO PHARM
(1989)
Source URL:
First approved in 1989
Source:
PINDAC by LEO PHARM
Source URL:
Class (Stereo):
CHEMICAL (RACEMIC)
Targets:
Conditions:
Pinacidil is a clinically effective vasodilator used for the treatment of hypertension.
Status:
US Previously Marketed
Source:
LEVATOL by AUXILIUM PHARMS LLC
(1987)
Source URL:
First approved in 1987
Source:
LEVATOL by AUXILIUM PHARMS LLC
Source URL:
Class (Stereo):
CHEMICAL (ABSOLUTE)
Conditions:
Penbutolol is a new beta-adrenergic blocking drug approved for the treatment of hypertension. It is a noncardioselective beta-blocker and has intrinsic sympathomimetic activity. Penbutolol is marketed under the trade names Levatol, Levatolol, Lobeta, Paginol, Hostabloc, Betapressin. Penbutolol acts on the β1 adrenergic receptors in both the heart and the kidney. When β1 receptors are activated by catecholamines, they stimulate a coupled G protein that leads to the conversion of adenosine triphosphate (ATP) to cyclic adenosine monophosphate (cAMP). The increase in cAMP leads to activation of protein kinase A (PKA), which alters the movement of calcium ions in heart muscle and increases the heart rate. Penbutolol blocks the catecholamine activation of β1 adrenergic receptors and decreases heart rate, which lowers blood pressure. Levatol (Penbutolol) is indicated in the treatment of mild to moderate arterial hypertension. It may be used
alone or in combination with other antihypertensive agents, especially thiazide-type diuretics.
Status:
US Previously Marketed
Source:
TRASICOR by NOVARTIS
(1983)
Source URL:
First approved in 1983
Source:
TRASICOR by NOVARTIS
Source URL:
Class (Stereo):
CHEMICAL (RACEMIC)
Targets:
Oxprenolol is clinically a well-established beta blocker that shares with other members of this group the ability to control a variety of disorders, in particular, hypertension and angina. Pharmacologically it is a nonselective beta blocker that possesses partial agonist activity (intrinsic sympathomimetic activity). Pharmacokinetically, oxprenolol behaves as a moderately lipophilic agent. Oxprenolol undergoes first pass metabolism with only 30% of an oral dose reaching the systemic circulation. The drug is approximately 80% protein bound and is eliminated primarily by glucuronidation in the liver. Less than 4% of oxprenolol is excreted unchanged in the urine. Oxprenolol may reduce the heart rate and prolong the effective and functional atrioventricular nodal refractory period. Oxprenolol has less negative inotropic and chronotropic effects than propranolol. Plasma renin activity is reduced; however, changes in plasma aldosterone level are not significant. Long term metabolic effects require further study. Chest pain (angina), high blood pressure (hypertension), irregular heart beats and anxiety are indications for Oxprenolol usage. To date Oxprenolol is discontinued by FDA.
Status:
US Previously Marketed
Source:
WYTENSIN by WYETH AYERST
(1982)
Source URL:
First approved in 1982
Source:
WYTENSIN by WYETH AYERST
Source URL:
Class (Stereo):
CHEMICAL (ACHIRAL)
Targets:
Conditions:
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
Source:
HYLOREL by PHARMACIA AND UPJOHN
(1982)
Source URL:
First approved in 1982
Source:
HYLOREL by PHARMACIA AND UPJOHN
Source URL:
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
Source:
TENATHAN by ROBINS AH
(1981)
Source URL:
First approved in 1981
Source:
TENATHAN by ROBINS AH
Source URL:
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
First approved in 1979
Class (Stereo):
CHEMICAL (ACHIRAL)
Targets:
Conditions:
Ticrynafen, or tienilic acid, is a diuretic drug with uric acid-lowering action, formerly marketed for the treatment of hypertension. It was withdrawn from the market only months after its introduction because of reports of serious incidents of drug-induced liver injury including some fatalities. Its hepatotoxicity is considered to be primarily immunoallergic in nature. Tienilic acid is a thiophene-containing mechanism-based inactivator of P450 2C9, resulting from covalent modification of the P450 2C9 protein. The bioactivation mechanism involves oxidation of the thiophene ring system.
Status:
US Previously Marketed
Source:
ANHYDRON by LILLY
(1963)
Source URL:
First approved in 1963
Source:
ANHYDRON by LILLY
Source URL:
Class (Stereo):
CHEMICAL (UNKNOWN)
Targets:
Conditions:
Cyclothiazide was presumably developed by Eli Lilly for the treatment of hypertension. It is believed that the drug, which belongs to the class of thiazide diuretics, exerts its action by inhibitin sodium reabsorption in the renal tubules. In 1993 it was discovered that cyclothiazide stimulates AMPA receptors thus inducing seizure behavior.
Status:
US Previously Marketed
Source:
EUTRON by ABBOTT
(1965)
Source URL:
First approved in 1963
Source:
EUTONYL by ABBOTT
Source URL:
Class (Stereo):
CHEMICAL (ACHIRAL)
Targets:
Conditions:
Pargyline is an irreversible selective monoamine oxidase (MAO)-B inhibitor, which possesses higher selectivity to this isoform in comparison with MAO-A. It was approved under brand name eutonyl for the treatment hypertension, but then this drug was discontinued.