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Status:
US Approved Rx
(1998)
Source:
ANDA075150
(1998)
Source URL:
First approved in 1975
Source:
NDA017533
Source URL:
Class (Stereo):
CHEMICAL (ACHIRAL)
Targets:
Conditions:
Clonazepam, a benzodiazepine, is used primarily as an anticonvulsant in the treatment of absence seizures, petit mal variant seizures (Lennox-Gastaut syndrome), akinetic and myoclonic seizures, and nocturnal myoclonus. Klonopin is the brand name for Clonazepam, an anxiolytic and anticonvulsant. The precise mechanism by which clonazepam exerts its antiseizure
and antipanic effects is unknown, although it is believed to be related to its ability to
enhance the activity of gamma aminobutyric acid (GABA), the major inhibitory
neurotransmitter in the central nervous system. Allosteric interactions between central benzodiazepine receptors and gamma-aminobutyric acid (GABA) receptors potentiate the effects of GABA. As GABA is an inhibitory neurotransmitter, this results in increased inhibition of the ascending reticular activating system. Benzodiazepines, in this way, block the cortical and limbic arousal that occurs following stimulation of the reticular pathways.
Status:
US Approved Rx
(1988)
Source:
ANDA072204
(1988)
Source URL:
First approved in 1975
Source:
LOXITANE by TEVA BRANDED PHARM
Source URL:
Class (Stereo):
CHEMICAL (ACHIRAL)
Targets:
Loxapine is a dibenzoxazepine tricyclic antipsychotic agent, available for oral and inhalatory administration, classified as a typical antipsychotic. Loxapine acts as an antagonist at central serotonin and dopamine receptors. Adasuve (loxapine inhalation powder) is a prescription medicine that is used to treat acute agitation in adults with schizophrenia or bipolar I disorder.
Status:
US Approved Rx
(1998)
Source:
ANDA075259
(1998)
Source URL:
First approved in 1975
Source:
DTIC-DOME by BAYER HLTHCARE
Source URL:
Class (Stereo):
CHEMICAL (ACHIRAL)
Targets:
Conditions:
Dacarbazine (DTIC), also known as imidazole carboxamide, is an antineoplastic agent, which is used in the treatment of metastatic malignant melanoma. In addition, this drug also is indicated for Hodgkin’s disease as a second-line therapy when used in combination with other effective agents. Dacarbazine works by methylating guanine at the O-6 and N-7 positions. Guanine is one of the four nucleotides that makes up DNA. The alkylated DNA strands stick together such that cell division becomes impossible. This affects cancer cells more than healthy cells because cancer cells divide faster. Dacarbazine is bioactivated in liver by demethylation to "MTIC" and then to diazomethane, which is an alkylating agent. Symptoms of anorexia, nausea, and vomiting are the most frequently noted of all toxic reactions. Over 90% of patients are affected with the initial few doses.
Status:
US Approved Rx
(1981)
Source:
NDA050555
(1981)
Source URL:
First approved in 1975
Source:
NEBCIN by LILLY
Source URL:
Class (Stereo):
CHEMICAL (ABSOLUTE)
Targets:
Tobramycin, an aminoglycoside antibiotic obtained from cultures of Streptomyces tenebrarius, it is effective against gram-negative bacteria, especially the pseudomonas species. Tobramycin is used in combination with other antibiotics to treat urinary tract infections, gynecologic infections, peritonitis, endocarditis, pneumonia, bacteremia and sepsis, respiratory infections including those associated with cystic fibrosis, osteomyelitis, and diabetic foot and other soft-tissue infections. It acts primarily by disrupting protein synthesis, leading to altered cell membrane permeability, progressive disruption of the cell envelope, and eventual cell death. Tobramycin has in vitro activity against a wide range of gram-negative organisms including Pseudomonas aeruginosa. Tobramycin binds irreversibly to one of two aminoglycoside binding sites on the 30 S ribosomal subunit, inhibiting bacterial protein synthesis. Tobramycin may also destabilize bacterial memebrane by binding to 16 S 16 S r-RNA. An active transport mechanism for aminoglycoside uptake is necessary in the bacteria in order to attain a significant intracellular concentration of tobramycin. KITABIS PAK (co-packaging of tobramycin inhalation solution and PARI LC PLUS Reusable Nebulizer) is indicated for the management of cystic fibrosis in adults and pediatric patients 6 years of age and older with P. aeruginosa.
Status:
US Approved Rx
(1992)
Source:
ANDA073618
(1992)
Source URL:
First approved in 1975
Source:
NDA017555
Source URL:
Class (Stereo):
CHEMICAL (ABSOLUTE)
Targets:
Conditions:
Carbidopa is a competitive inhibitor of aromatic L-amino acid decarboxylase that does not cross the blood-brain barrier, is routinely administered with levodopa (LD) for the treatment of the symptoms of idiopathic Parkinson’s disease (paralysis agitans), postencephalitic parkinsonism, and symptomatic parkinsonism, which may follow injury to the nervous system by carbon monoxide intoxication and/or manganese intoxication. Current evidence indicates that symptoms of Parkinson’s disease are related to depletion of dopamine in the corpus striatum. Administration of dopamine is ineffective in the treatment of Parkinson’s disease apparently because it does not cross the blood-brain barrier. However, levodopa, the metabolic precursor of dopamine, does cross the blood- brain barrier, and presumably is converted to dopamine in the brain. When levodopa is administered orally it is rapidly decarboxylated to dopamine in extracerebral tissues so that only a small portion of a given dose is transported unchanged to the central nervous system. For this reason, large doses of levodopa are required for adequate therapeutic effect and these may often be accompanied by nausea and other adverse reactions, some of which are attributable to dopamine formed in extracerebral tissues. Carbidopa inhibits decarboxylation of peripheral levodopa. Carbidopa has not been demonstrated to have any overt pharmacodynamic actions in the recommended doses.
Status:
US Approved Rx
(1975)
Source:
NDA017586
(1975)
Source URL:
First approved in 1975
Source:
NDA017586
Source URL:
Class (Stereo):
CHEMICAL (ABSOLUTE)
Targets:
Conditions:
Gluconic acid is a natural compound
produced from glucose through a simple dehydrogenation reaction catalysed by glucose oxidase. Gluconic acid and its salts are
used in the formulation of food, pharmaceutical and hygienic products.
Status:
US Approved Rx
(2021)
Source:
ANDA214723
(2021)
Source URL:
First approved in 1974
Source:
NDA017556
Source URL:
Class (Stereo):
CHEMICAL (ABSOLUTE)
Targets:
Halcinonide is one of the available highly potent topical cor¬ticosteroids. It is a derivative of hydrocortisone and contains important modifications in its structure that alter its absorption, potency, and adverse effects compared with hydrocortisone. Halcinonide—along with desoximetasone, betamethasone, fluocinonide, and diflorasone diacetate—is classified as a Class II potency corticosteroid. Although similar in strength, halcinonide in Halog (the only topical product available that contains halcinonide) differs from many other compounds of this class in the formulation. Halcinonide cream is formulated in a biphasic base that allows for immediate-release of halcinonide upon application to the skin, followed by a delayed and sustained release of halcinonide over time. This “dual formulation” strategy allows for prolonged halcinonide activity. The formulation of halcinonide cream contains microcrystals of halcinonide. An equilibrium is established between dissolved halcinonide in the cream and non-dissolved halcinonide in the microcrystals. As soluble hal¬cinonide enters the skin, additional quantities of halcinonide from the microcrystals become available as a new equilibrium is established. This dynamic equilibrium serves to maintain a sustained level of halcinonide well beyond the time of application.
Status:
US Approved Rx
(1987)
Source:
ANDA070923
(1987)
Source URL:
First approved in 1974
Source:
CATAPRES by BOEHRINGER INGELHEIM
Source URL:
Class (Stereo):
CHEMICAL (ACHIRAL)
Targets:
Clonidine is a centrally acting α2 adrenergic agonist and imidazoline receptor agonist used to treat high blood pressure, attention deficit hyperactivity disorder, anxiety disorders, tic disorders, withdrawal (from either alcohol, opioids, or smoking), migraine, menopausal flushing, diarrhea, and certain pain conditions. Clonidine treats high blood pressure by stimulating α2 receptors in the brain, which decreases peripheral vascular resistance, lowering blood pressure. It has specificity towards the presynaptic α2 receptors in the vasomotor center in the brainstem. This binding decreases presynaptic calcium levels, thus inhibiting the release of norepinephrine (NE). It has also been proposed that the antihypertensive effect of clonidine is due to agonism on the I1 receptor (imidazoline receptor), which mediates the sympatho-inhibitory actions of imidazolines to lower blood pressure. Clonidines mechanism of action in the treatment of ADHD is to increase noradrenergic tone in the prefrontal cortex (PFC) directly by binding to postsynaptic α2A adrenergic receptors and indirectly by increasing norepinephrine input from the locus coeruleus. Clonidine indicated in the treatment of hypertension. Clonidine hydrochloride tablets may be employed alone or concomitantly with other antihypertensive agents. The US Food and Drug Administration (FDA) has approved clonidine for the treatment of attention deficit hyperactivity disorder (ADHD), under the trade name of Kapvay alone or with stimulants in 2010, for pediatric patients aged 6–17 years.
Status:
US Approved Rx
(1995)
Source:
ANDA073580
(1995)
Source URL:
First approved in 1974
Source:
VERMOX by JANSSEN PHARMS
Source URL:
Class (Stereo):
CHEMICAL (ACHIRAL)
Targets:
Conditions:
Mebendazole, known as Emverm is a (synthetic) broad-spectrum anthelmintic that acts by interfering with carbohydrate metabolism and inhibiting polymerization of microtubules. The loss of the cytoplasmic microtubules leads to impaired uptake of glucose by the larval and adult stages of the susceptible parasites, and depletes their glycogen stores. Degenerative changes in the endoplasmic reticulum, the mitochondria of the germinal layer, and the subsequent release of lysosomes result in decreased production of adenosine triphosphate (ATP), which is the energy required for the survival of the helminth. Due to diminished energy production, the parasite is immobilized and eventually dies. Emverm tablets are used for the treatment of Enterobius vermicularis (pinworm), Trichuris trichiura (whipworm), Ascaris lumbricoides (common roundworm), Ancylostoma duodenale (common hookworm), Necator americanus (American hookworm) in single or mixed infections. All metabolites are devoid of anthelmintic activity. In man, approximately 2% of administered mebendazole is excreted in urine and the remainder in the feces as unchanged drug or a primary metabolite. Preliminary evidence suggests that cimetidine inhibits mebendazole metabolism and may result in an increase in plasma concentrations drug. Mebendazole sometimes causes diarrhea, abdominal pain, and elevated liver enzymes. In rare cases, it has been associated with a dangerously low white blood cell count, low platelet count, and hair loss, with a risk of agranulocytosis in rare cases
Status:
US Approved Rx
(2013)
Source:
ANDA200122
(2013)
Source URL:
First approved in 1974
Source:
BRICANYL by SANOFI AVENTIS US
Source URL:
Class (Stereo):
CHEMICAL (RACEMIC)
Conditions:
Terbutaline is a relatively selective beta2-adrenergic bronchodilator that has little or no effect on alpha-adrenergic receptors. The drug has exerts a preferential effect on beta2-adrenergic receptors but stimulates beta-adrenergic receptors less selectively than relatively selective beta2-agonists. Terbutaline appears to have a greater stimulating effect on beta-receptors of the bronchial, vascular, and uterine smooth muscles (beta2 receptors) than on the beta-receptors of the heart (beta1 receptors). This drug relaxes smooth muscle and inhibits uterine contractions, but may also cause some cardiostimulatory effects and CNS stimulation. The pharmacologic effects of terbutaline are at least in part attributable to stimulation through beta-adrenergic receptors of intracellular adenyl cyclase, the enzyme that catalyzes the conversion of adenosine triphosphate (ATP) to cyclic- 3',5'- adenosine monophosphate (c-AMP). Increased c-AMP levels are associated with relaxation of bronchial smooth muscle and inhibition of release of mediators of immediate hypersensitivity from cells, especially from mast cells. Terbutaline is used for the prevention and reversal of bronchospasm in patients 12 years of age and older with reversible, obstructive airway disease, as well as symptomatic management of reversible bronchospasm associated with bronchitis and emphysema. Also used acute IV and sub-Q therapy in selected women to inhibit uterine contractions in preterm labor (tocolysis) and prolong gestation when beneficial.