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In pharmacokinetics, a loading dose is an initial higher dose of a drug that may be given at the beginning of a course of treatment before dropping down to a lower maintenance dose. [ 1 ] A loading dose is most useful for drugs that are eliminated from the body relatively slowly, i.e. have a long systemic half-life .
Levetiracetam, sold under the brand name Keppra among others, is a novel antiepileptic drug [7] used to treat epilepsy. [8] It is used for partial-onset , myoclonic , or tonic–clonic seizures, [ 7 ] and is taken either by mouth as an immediate or extended release formulation or by injection into a vein .
A loading dose is most useful for drugs that are eliminated from the body relatively slowly. Such drugs need only a low maintenance dose in order to keep the amount of the drug in the body at the appropriate level, but this also means that, without an initial higher dose, it would take a long time for the amount of the drug in the body to reach ...
Anticonvulsant racetams, including levetiracetam, brivaracetam, and seletracetam, act as synaptic vesicle glycoprotein 2A (SV2A) ligands. [6] A newer analogue of these agents, padsevonil , is no longer a racetam itself but is much more potent in comparison and interacts with not only SV2A but also synaptic vesicle glycoprotein 2B (SV2B) and ...
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In pharmacokinetics, the rate of infusion (or dosing rate) refers not just to the rate at which a drug is administered, but the desired rate at which a drug should be administered to achieve a steady state of a fixed dose which has been demonstrated to be therapeutically effective. Abbreviations include K in, [1] K 0, [2] or R 0.
Brivaracetam is believed to act by binding to the ubiquitous synaptic vesicle glycoprotein 2A (SV2A), like levetiracetam, but with 20-fold greater affinity. [ 15 ] [ 16 ] There is some evidence that racetams including levetiracetam and brivaracetam access the luminal side of recycling synaptic vesicles during vesicular endocytosis .
An example for a simple case (mono-compartmental) would be to administer D=8 mg/kg to a human. A human has a blood volume of around V b l o o d = {\displaystyle V_{blood}=} 0.08 L/kg . [ 7 ] This gives a C 0 = {\displaystyle C_{0}=} 100 μg/mL if the drug stays in the blood stream only, and thus its volume of distribution is the same as V b l o ...
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related to: loading dose of levetiracetam 20- 109 S High St #100, Columbus, OH · Directions · (614) 224-4261
Working to be "the most powerful patient advocate in America" - Forbes