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Neurolep 100 mlCerebral vascular accidents and cerebral insufficiencies:?Ischaemic or even haemorrhagic acute accidents, chronic manifestations of the above accidents or of cerebral atherosclerosis.Mental retardation in children: Ease of resuming individual contact ... Read moreCerebral vascular accidents and cerebral insufficiencies:?Ischaemic or even haemorrhagic acute accidents, chronic manifestations of the above accidents or of cerebral atherosclerosis.Mental retardation in children: Ease of resuming individual contact, sociability and learning, improved intellectual performances and school results.Behaviour and psychotic problems in old age: Memory deficits, particularly?with regard to fixation and evocation asthenia adaption disorders, disturbed psychomotor reactions. Patients suffering from myoclonus of cortical origin.Theropeutic ClassAdjunct anti-epileptic drugs, Drugs used in tremor, tics & related disorderPharmacologyNeurolep 100 ml's mechanism of action is not fully understood. The drug influences neuronal and vascular functions and influences cognitive function without acting as a sedative or stimulant. Neurolep 100 ml is a positive allosteric modulator of the AMPA receptor. It is hypothesized to act on ion channels or ion carriers, thus leading to increased neuron excitability. GABA brain metabolism and GABA receptors are not affected by Neurolep 100 mlIt has been found to increase blood flow and oxygen consumption in parts of the brain, but this may be a side effect of increased brain activity rather than a primary effect or mechanism of action for the drug.Neurolep 100 ml improves the function of the neurotransmitter acetylcholine via muscarinic cholinergic (ACh) receptors, which are implicated in memory processes. Furthermore, Neurolep 100 ml may have an effect on NMDA glutamate receptors, which are involved with learning and memory processes. Neurolep 100 ml is thought to increase cell membrane permeability. Neurolep 100 ml may exert its global effect on brain neurotransmission via modulation of ion channels (i.e., Na+, K+). It has been found to increase oxygen consumption in the brain, apparently in connection to ATP metabolism, and increases the activity of adenylate kinase in rat brains. Neurolep 100 ml, while in the brain, appears to increase the synthesis of cytochrome b5, which is a part of the electron transport mechanism in mitochondria. But in the brain, it also increases the permeability of the mitochondria of some intermediaries of the Krebs cycle.Dosage & Administration of Neurolep 100 mlOral: Adults: In cerebro-cortical insufficiency disorders, usual dose is one tablet (800 mg) 3 times a day. In myoclonic seizures, a dose of 7.2 gm daily, increasing by 4.8 gm per day every 3 to 4 days up to maximum of 20 gm daily, given in 2 or 3 divided doses. Oral: Children: The daily dosage depends on the weight of the child, 50 mg/kg of body weight in 3 divided doses. Once the desired results has been obtained, reduce the initial dose by half.Parenteral formulations: When parenteral administration is needed (e.g. swallowing difficulties, unconsciousness) Neurolep 100 ml can be administered intravenously.?When treating severe symptoms, 12 g daily may need to be administered as an intravenous infusion.Dosage of Neurolep 100 mlOral: Adults: In cerebro-cortical insufficiency disorders, usual dose is one tablet (800 mg) 3 times a day. In myoclonic seizures, a dose of 7.2 gm daily, increasing by 4.8 gm per day every 3 to 4 days up to maximum of 20 gm daily, given in 2 or 3 divided doses. Oral: Children: The daily dosage depends on the weight of the child, 50 mg/kg of body weight in 3 divided doses. Once the desired results has been obtained, reduce the initial dose by half.Parenteral formulations: When parenteral administration is needed (e.g. swallowing difficulties, unconsciousness) Neurolep 100 ml can be administered intravenously.?When treating severe symptoms, 12 g daily may need to be administered as an intravenous infusion.Interaction of Neurolep 100 mlIn a single case, confusion, irritability and sleep disorders were reported in concomitant use with thyroid extract. At present, no interaction has been observed with the following anti-epileptic drugs, clonazepam, carbamazepine, phenyton, phenobarbitone and sodium valporate, based on a small number of studies.ContraindicationsNeurolep 100 ml is contra-indicated in patients with severe renal insufficiency (creatinine clearance < 20 ml/min) and hepatic impairment. As the principal route of elimination for Neurolep 100 ml is via the kidney, special care must be taken when treating patients known to suffer from renal insufficiency. Monitoring of renal function is recommended in such cases. The increase in half-life is directly related to the decrease in renal function and creatinine clearance. This is also true for the older patient in whom creatinine clearance is dependent on age. When the creatinine clearance is 1.25 mg/100 ml, the dosage prescribed should be calculated as following:CrCl?60-40?ml/min:?Dosage should be 1/2 of normal doseCrCl 40-20 ml/min:?Dosage should be 1/4 of normal doseSide Effects of Neurolep 100 mlThe side effects reported include nervousness, agitation, irritability, anxiety and sleep disturbances. The incidence of these during clinical trials was (? 5%) and they were more often noted in the older patients taking > 2.4 gm daily. In the majority of cases, a dose reduction sufficed to make these symptoms disappear. Some patients may complain of fatigue or drowsiness, gastrointestinal problems, e.g. nausea, vomiting, diarrhoea and stomachache have also been reported but their incidence during clinical trials was ? 2%. Other symptoms e.g. vertigo, headache, trembling and sexual stimulation have occasionally been reported.Pregnancy & LactationNeurolep 100 ml should not be prescribed during pregnancy or when breast feeding, except under exceptional circumstances. Neurolep 100 ml is able to cross the placenta.Overdose Effects of Neurolep 100 mlNeurolep 100 ml appears to be devoid of toxicity even at very high doses and, therefore, the need for specific measures to be taken in case of an overdose is avoided. Drug Interactions: In a single case, confusion, irritability and sleep disorders were reported in concomitant use with thyroid extract. At present, no interaction has been observed with the following anti-epileptic drugs, clonazepam, carbamazepine, phenytoin, phenobarbitone and sodium valproate, based on a small number of studies.Storage ConditionsStore in a cool and dry place at a temperature below 30?C , Keep away from sunlight. Keep out of the reach of children.Use In Special PopulationsChildren: No formal pharmacokinetic study has been conducted in children.Elderly: In the elderly, the half-life of Neurolep 100 ml is increased and the increase is related to the decrease in renal function in this population (see Section Dosage and Administration).Renal impairment: Neurolep 100 ml clearance is correlated to creatinine clearance. It is therefore recommended to adjust the daily dose of Neurolep 100 ml based on creatinine clearance in patients with renal impairment?Hepatic impairment: The influence of hepatic impairment on the pharmacokinetics of Neurolep 100 ml has not been evaluated. Because 80 to 100% of the dose is excreted in the urine as unchanged drug, hepatic impairment solely would not be expected to have a significant effect on Neurolep 100 ml elimination.ReconstitutionNeurolep 100 ml is compatible (physico-chemical compatibility) with the perfusions of: Glucose 5%, 10%, 20% Fructose 5%, 10%, 20% Sodium chloride 0.9% Dextran 40 (10% in a 0.9% NaCl solution) Ringer Mannitol 20% HES solution (Hydroxy Ethyl Starch) 6% and 10% The stability of these solutions has been demonstrated up to 24 hours.Drug ClassesAdjunct anti-epileptic drugs, Drugs used in tremor, tics & related disorderMode Of ActionNeurolep 100 ml's mechanism of action is not fully understood. The drug influences neuronal and vascular functions and influences cognitive function without acting as a sedative or stimulant. Neurolep 100 ml is a positive allosteric modulator of the AMPA receptor. It is hypothesized to act on ion channels or ion carriers, thus leading to increased neuron excitability. GABA brain metabolism and GABA receptors are not affected by Neurolep 100 mlIt has been found to increase blood flow and oxygen consumption in parts of the brain, but this may be a side effect of increased brain activity rather than a primary effect or mechanism of action for the drug.Neurolep 100 ml improves the function of the neurotransmitter acetylcholine via muscarinic cholinergic (ACh) receptors, which are implicated in memory processes. Furthermore, Neurolep 100 ml may have an effect on NMDA glutamate receptors, which are involved with learning and memory processes. Neurolep 100 ml is thought to increase cell membrane permeability. Neurolep 100 ml may exert its global effect on brain neurotransmission via modulation of ion channels (i.e., Na+, K+). It has been found to increase oxygen consumption in the brain, apparently in connection to ATP metabolism, and increases the activity of adenylate kinase in rat brains. Neurolep 100 ml, while in the brain, appears to increase the synthesis of cytochrome b5, which is a part of the electron transport mechanism in mitochondria. But in the brain, it also increases the permeability of the mitochondria of some intermediaries of the Krebs cycle.PregnancyNeurolep 100 ml should not be prescribed during pregnancy or when breast feeding, except under exceptional circumstances. Neurolep 100 ml is able to cross the placenta.Pediatric UsesChildren: No formal pharmacokinetic study has been conducted in children.Elderly: In the elderly, the half-life of Neurolep 100 ml is increased and the increase is related to the decrease in renal function in this population (see Section Dosage and Administration).Renal impairment: Neurolep 100 ml clearance is correlated to creatinine clearance. It is therefore recommended to adjust the daily dose of Neurolep 100 ml based on creatinine clearance in patients with renal impairment?Hepatic impairment: The influence of hepatic impairment on the pharmacokinetics of Neurolep 100 ml has not been evaluated. Because 80 to 100% of the dose is excreted in the urine as unchanged drug, hepatic impairment solely would not be expected to have a significant effect on Neurolep 100 ml elimination.