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Restrict the search for
ethosuximide
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There is one exact (name or code) match for ethosuximide
Status:
US Approved Rx
(2012)
Source:
ANDA200892
(2012)
Source URL:
First approved in 1960
Source:
NDA012380
Source URL:
Class (Stereo):
CHEMICAL (RACEMIC)
Targets:
Conditions:
Ethosuximide is a succinimide anticonvulsant, used in the treatment of epilepsy. Ethosuximide suppresses the paroxysmal three cycle per second spike and wave activity associated with lapses of consciousness which is common in absence (petit mal) seizures. The frequency of epileptiform attacks is reduced, apparently by depression of the motor cortex and elevation of the threshold of the central nervous system to convulsive stimuli. Binds to T-type voltage sensitive calcium channels. Voltage-sensitive calcium channels (VSCC) mediate the entry of calcium ions into excitable cells and are also involved in a variety of calcium-dependent processes, including muscle contraction, hormone or neurotransmitter release, gene expression, cell motility, cell division and cell death. The isoform alpha-1G gives rise to T-type calcium currents. T-type calcium channels belong to the "low-voltage activated (LVA)" group and are strongly blocked by mibefradil. A particularity of this type of channels is an opening at quite negative potentials and a voltage-dependent inactivation. T-type channels serve pacemaking functions in both central neurons and cardiac nodal cells and support calcium signaling in secretory cells and vascular smooth muscle. They may also be involved in the modulation of firing patterns of neurons which is important for information processing as well as in cell growth processes. Ethosuximide is on the World Health Organization's List of Essential Medicines, the most important medications needed in a basic health system.
Showing 1 - 10 of 10 results
Status:
US Approved Rx
(2012)
Source:
ANDA200892
(2012)
Source URL:
First approved in 1960
Source:
NDA012380
Source URL:
Class (Stereo):
CHEMICAL (RACEMIC)
Targets:
Conditions:
Ethosuximide is a succinimide anticonvulsant, used in the treatment of epilepsy. Ethosuximide suppresses the paroxysmal three cycle per second spike and wave activity associated with lapses of consciousness which is common in absence (petit mal) seizures. The frequency of epileptiform attacks is reduced, apparently by depression of the motor cortex and elevation of the threshold of the central nervous system to convulsive stimuli. Binds to T-type voltage sensitive calcium channels. Voltage-sensitive calcium channels (VSCC) mediate the entry of calcium ions into excitable cells and are also involved in a variety of calcium-dependent processes, including muscle contraction, hormone or neurotransmitter release, gene expression, cell motility, cell division and cell death. The isoform alpha-1G gives rise to T-type calcium currents. T-type calcium channels belong to the "low-voltage activated (LVA)" group and are strongly blocked by mibefradil. A particularity of this type of channels is an opening at quite negative potentials and a voltage-dependent inactivation. T-type channels serve pacemaking functions in both central neurons and cardiac nodal cells and support calcium signaling in secretory cells and vascular smooth muscle. They may also be involved in the modulation of firing patterns of neurons which is important for information processing as well as in cell growth processes. Ethosuximide is on the World Health Organization's List of Essential Medicines, the most important medications needed in a basic health system.
Status:
US Approved Rx
(2006)
Source:
ANDA077634
(2006)
Source URL:
First approved in 2000
Source:
NDA020789
Source URL:
Class (Stereo):
CHEMICAL (ACHIRAL)
Targets:
Conditions:
Zonisamide is an antiseizure drug chemically classified as a sulfonamide and unrelated to other antiseizure agents. The precise mechanism by which zonisamide exerts its antiseizure effect is unknown, although it is believed that the drug blocks sodium and calcium channels, which leads to the suppression of neuronal hypersynchronization (i.e. convulsions). Sonisamide has also been found to potentiate dopaminergic and serotonergic neurotransmission but does not appear to potentiate syanptic activity by GABA (gamma amino butyric acid). Zonisamide binds to sodium channels and voltage sensitive calcium channels, which suppresses neuronal depolarization and hypersynchronization. Zonisamide also inhibits carbonic anhydrase to a weaker extent, but such an effect is not thought to contribute substantially to the drug's anticonvulsant activity. Zonisamide is approved in the United States, United Kingdom, and Australia for adjunctive treatment of partial seizures in adults and in Japan for both adjunctive and monotherapy for partial seizures (simple, complex, secondarily generalized), generalized (tonic, tonic-clonic (grand mal), and atypical absence) and combined seizures.
Status:
US Approved Rx
(2011)
Source:
ANDA077555
(2011)
Source URL:
First approved in 1997
Source:
NDA020646
Source URL:
Class (Stereo):
CHEMICAL (ABSOLUTE)
Tiagabine (trade name Gabitril) is an anticonvulsant medication used in the treatment of Partial Seizures. The precise mechanism by which Tiagabine exerts its antiseizure effect 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. Tiagabine binds to recognition sites associated with the GABA uptake carrier. It is thought that, by this action, Tiagabine blocks GABA uptake into presynaptic neurons, permitting more GABA to be available for receptor binding on the surfaces of post-synaptic cells. Tiagabine is approved by U.S. Food and Drug Administration (FDA) as an adjunctive treatment for partial seizures in individuals of age 12 and up. It may also be prescribed off-label by physicians to treat anxiety disorders and panic disorder as well as neuropathic pain (including fibromyalgia). For anxiety and neuropathic pain, tiagabine is used primarily to augment other treatments. Tiagabine may be used alongside selective serotonin reuptake inhibitors, serotonin-norepinephrine reuptake inhibitors, or benzodiazepines for anxiety, or antidepressants, gabapentin, other anticonvulsants, or opioids for neuropathic pain. The most common side effect of tiagabine is dizziness. Other side effects that have been observed with a rate of statistical significance relative to placebo include asthenia, somnolence, nervousness, memory impairment, tremor, headache, diarrhea, and depression.
Status:
US Previously Marketed
Source:
PEGANONE by RECORDATI RARE
(1957)
Source URL:
First approved in 1957
Source:
PEGANONE by RECORDATI RARE
Source URL:
Class (Stereo):
CHEMICAL (RACEMIC)
Conditions:
Ethotoin is a hydantoin derivative and anticonvulsant. Ethotoin exerts an antiepileptic effect without causing general central nervous system depression. The mechanism of action is probably very similar to that of phenytoin. The latter drug appears to stabilize rather than to raise the normal seizure threshold, and to prevent the spread of seizure activity rather than to abolish the primary focus of seizure discharges. Ethotoin inhibits nerve impulses in the motor cortex by lowering sodium ion influx, limiting tetanic stimulation. Ethotoin is used for the control of tonic-clonic (grand mal) and complex partial (psychomotor) seizures. Ethotoin is marketed as Peganone by Ovation.
Status:
US Previously Marketed
Source:
MESANTOIN by NOVARTIS
(1946)
Source URL:
First approved in 1946
Source:
MESANTOIN by NOVARTIS
Source URL:
Class (Stereo):
CHEMICAL (RACEMIC)
Conditions:
Mephenytoin is an antiepileptic drug which can be useful in the treatment of epilepsy. The primary site of action appears to be the motor cortex where spread of seizure activity is inhibited. Possibly by promoting sodium efflux from neurons, mephenytoin tends to stabilize the threshold against hyperexcitability caused by excessive stimulation or environmental changes capable of reducing membrane sodium gradient. This includes the reduction of posttetanic potentiation at synapses. Loss of posttetanic potentiation prevents cortical seizure foci from detonating adjacent cortical areas. Mephenytoin reduces the maximal activity of brain stem centers responsible for the tonic phase of tonic-clonic (grand mal) seizures. The mechanism of action of mephenytoin is not definitely known, but extensive research strongly suggests that its main mechanism is to block frequency-, use- and voltage-dependent neuronal sodium channels, and therefore limit repetitive firing of action potentials. Mephenytoin is no longer available in the US or the UK. It is still studied largely because of its interesting hydroxylation polymorphism.
Status:
US Approved Rx
(2005)
Source:
ANDA077272
(2005)
Source URL:
First approved in 1968
Source:
NDA016608
Source URL:
Class (Stereo):
CHEMICAL (ACHIRAL)
Targets:
Conditions:
Carbamazepine is an analgesic, anti-epileptic agent that is FDA approved for the treatment of epilepsy, trigeminal neuralgia. It appears to act by reducing polysynaptic responses and blocking the post-tetanic potentiation. It depresses thalamic potential and bulbar and polysynaptic reflexes, including the linguomandibular reflex in cats. Commonly reported side effects of carbamazepine include: dizziness, drowsiness, nausea, ataxia, and vomiting. Carbamazepine is a potent inducer of hepatic CYP1A2, 2B6, 2C9/19, and 3A4 and may reduce plasma concentrations of concomitant medications mainly metabolized by CYP1A2, 2B6, 2C9/19, and 3A4 through induction of their metabolism, like Boceprevir, Cyclophosphamide, Aripiprazole, Tacrolimus, Temsirolimus and others.
