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  • TiratamSOOmg 'SOmg & J 600mg Film Coated Db!ets& J DOmg/wl Oral SolutioD

    I_Company Name'Tiratam SODIDeEe T: Manufactured byAl Andalous for Pharmaceutical Industries.Dratam 7SQrng Be T: Manufactured byAI Andalous for Pharmaceutical Industries.

    Dratam J QOQmg Be T • Manufactured byAI Andalow for Pharmaceutical Industries.l1[1tllID I ~Ome/wi QIJIiI SQlution':'I'ianufactureu by Sigma PharmaceuticalIndustries for Al Andalous for Phannaceuticallndustries.

    2_1tade name' Tiratam 500 mg,75Omg , 1000 mg Filmcoated tablets & 1000gl ml Oral Solution.3.Geoedc nlme' Levetiracetam

    4_PbarmaceyticaJ form' Film Coated tablets & Oral.Solu-tion

    :i-CompositioD'Tiratam 500 mg Film Coated 1ilblm.a-Active ingredients: levetiracetamb-Inactive Ingredients: lactose monohydrate. croscannellosesodium, PVP KJO. magnesium stearate. Hydroxypropylmethyl cellulose ,titanium dioxide, Polyethylene glycol6000. talc & Quinoline yellow.r~ -5''''K FIlM CtMkil MdJhts.a-Achw ingredients: levetiracetamb «Inactive Ingredimts: Avice! PHl02 rmlcrocrystallinecellulose) .magneslum stearate. titm.rom dioxide,.polyethylene glycol 6000 .Croscarmellose sodium .colloldalsilicon dioxide, PolyVinyl pyrodilooe .hypromellose E1S,Talc & red iron oxide.1iratam 1000 mg Film Coated MhIns:a-Active Ingredients: levetiracetamb-Inactive Ingredients: PVP K90, Starch 1500, croscarmel-lose sodium, Aerosil 200, magnesium stearate, hydroxypro-pyl methyl cellulose, titanium dioxide, P.EG.6000, FO ,& CYellow no. 10.1iratam 100 mglml OrIIl SOluM1I contetnsra-Active ingredients: 100 mg of levetiracetam per mL.b-Inactive ingredients: Sucrose, Methyl perabensodium, Propyl paraben sodiwn, Sorbitol 70 %,Garbox.y~mclhyl-eelI~um..-Glycerol,_Banan.a....&varoil, Aspaname, Purified water.

    '-PhIAlK!!lrtjqI MtiH·Tbr ~ axclaDism s)by...tadl: ~ exerts its..xptkpoc dIlCCl is unkoown.bt ftDO :md fa mv m:on:I.ings of epilc:pu:fixm xtl\lty fromlilt bippoampus bave shown dw }e.,'etlJ'lICaaID inhibitsburst firing ",,'ithout affecting nonna.I oeurtma. C1CJ.tability,su~g that levetiracetam may selectively ~t hyper-synchronization of epileptiform burst firing _ propagationof seizure activity.Levetiracetam at concentrations of up 10 10 d!d notdemonstrate binding affinity for a variety of ~ recep-tors, such as those associated. 14ith beozodtt7ep'"" G_-'.BA(gemmaemieoberync acid~ gl)tine. • OYDA .' ;\-[)...".,..,., ....•...•.....--'--.Furthermore, in "1110 studies have failed to find an effectof levetiracetam on neuronal voltage-gated sodium or 'f..type calcium currents and levetiracetam does not appear todirectly facilitate GABAergic neurotransmission. However;in vitro studies have demonstrated that levetiractem opposesthe activity of negative modulators of GABA· and glycine-gated currents and partially inhibits N-type calcium currentsin neuronal cells.A saturable and stereoselective neuronal binding site in ratbrain tissue has been described for Ievetiracetam. Experimen-tal data indicate that this binding site is the synaptic vescleprotein SV2A. thought to be involved in the regulation ofvesicle exocytosis. Although the molecular significance oflevetiracetam binding to synaptic vesicle protein SV2A is ;KItunderstood, levetirecetem and related analogs showed a rmk.mer afIimty for SV2A 9riUch conelated with theoIlhat annsriz:ure acavity illaudiogenic ~-proae mice.1hese findings suggest that the interaction of ~-mrxetamwith the SV2A protein may contribute to the .mcpilepticmechanism of action of the drug.

    '-Pharmacokinetics'Absorption and DistributionAbsorption of levetiracetam is rapid, wrth peak plasmaconcentrations occurring in about an hour fOllowing oraladministration in fasted subjects. The onJ bioavailabilityof levetiracetam tabkts is 1000.••. Food dDrs DO( affect theextent of ab!orpoon of levetiraceta.m bill: a decreases C ••••by 20- .•• and delays T _ by 1.5 bouts. I...a--euracewn an~ itsmajor metabolite are less than 10% bolmd '0 plasma proteins,clinically significant mteracnoes WIth ot:ber drugs throughcompetition for protein binding sites ere therefore un.Iik.ely.Metabolisml:evetiracl!ta:m-iSl\ot extenstvely 'merabotized in humans.The major metabolic pathway is the enzymatic hydrolysisof the acetamide group, which produces the carboxylic acidmetabolite, ucb L057 (24% of dose) and is not dependent 011lIlY lrver cytochrome P450 isoenzymes.EliMiIIationLevetiracetam plasma balf-ltfe in adults is 7 ± 1 hour andis unaffected by either dose or repeated administration.Levetiracetam is eliminated from the systemic circulatioo byrenal excretion as unchanged drug which represents 66-/_ ofadministered dose. The total body clearance is 0.96 mUminfkg and the renal clearance is 0.6 mUminlkg. The mechanismof excretion is glomerular filtration with subsequent partialtubular reabsorption. The metabolite ucb L057 is exC'J'elOdby glomerular filtration and active tubular secretion with arenal clearance of 4 mUminlkg. Levetiracetam elimination iscorrelated to creatinine clearance. Levetiracetam clearance isreduced in patients with impaired renal function

    ~Ttratam is indicated as adjunctive therapy in the treatmentof pamal onset seizures in adults and children 4 years of ageand older with epilepsy.Tmltam is indicated as adjunctive therapy in the treatment ofmyoclonic seizures in adults and adolescents 12 years of ageand older with juvenile myoclonic epilepsy.Ttratam is indicated as adjunctive therapy in the treatmentof primary generalized tonic-clonic seizures in adults andchildren 6 years of age and older with idiopathic general-ized epilepsy.

    2-Dosage & administratjon'Partial Onset SeizuresAdults 16 lears and OlderTreatment should be initiated with a daily dose of 1000 mg!day, given as twice-daily dosing (500 mg BID). Additionaldosing increments may be given (1000 mg/day additionalevery 2 weeks) to a maximum recommended daily dose of3000 mg. Doses greater than 3000 mg/day have been used inopea-tabel studies for periods of 6 months and longer. Thereis no evidence tbat doses greater than 3000 mgiday conferadditional benefit.

    liratam is givee orally with or without food.Pediatric Patients A.ge.f 4 :i;)


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