Levocarnitine Oral

Prescription

Nombres comerciales: Levocarnitine

Forma Farmacéutica

Liquid/Solution

Vía de Administración

ORAL

Fabricante

Saptalis Pharmaceuticals, LLC

About This Medication

DESCRIPTION Levocarnitine is a carrier molecule in the transport of long-chain fatty acids across the inner mitochondrial membrane. The chemical name of levocarnitine is 3-carboxy-2(R)-hydroxy-N,N,N-trimethyl-1-propanaminium, inner salt. Levocarnitine, USP is a white crystalline, hygroscopic powder. It is freely soluble in water, soluble in warm alcohol, and practically insoluble in acetone. The specific rotation of levocarnitine is between -29° and -32°. Its chemical structure is: Molecular formula: C 7 H 15 NO 3 Molecular weight: 161.20 Each 118 mL container of levocarnitine oral solution, USP contains 1 g of levocarnitine, USP/10 mL. Each 5 mL or 10 mL unit-dose cups of levocarnitine oral solution, USP contains 500 mg or 1 g of levocarnitine, USP respectively. Also contains: artificial cherry flavor, ethyl alcohol (0.0094%), malic acid, purified water, sucrose. Methylparaben and propylparaben are added as preservatives. The pH is between 4.0 to 6.0. chemical structure

Principios Activos

Ingrediente	Concentración
Levocarnitine	-

Indicaciones y Uso

INDICATIONS AND USAGE Levocarnitine oral solution is indicated in the treatment of primary systemic carnitine deficiency. In the reported cases, the clinical presentation consisted of recurrent episodes of Reye-like encephalopathy, hypoketotic hypoglycemia, and/or cardiomyopathy. Associated symptoms included hypotonia, muscle weakness and failure to thrive. A diagnosis of primary carnitine deficiency requires that serum, red cell and/or tissue carnitine levels be low and that the patient does not have a primary defect in fatty acid or organic acid oxidation (see CLINICAL PHARMACOLOGY ). In some patients, particularly those presenting with cardiomyopathy, carnitine supplementation rapidly alleviated signs and symptoms. Treatment should include, in addition to carnitine, supportive and other therapy as indicated by the condition of the patient. Levocarnitine oral solution is also indicated for the acute and chronic treatment of patients with an inborn error of metabolism which results in a secondary carnitine deficiency.

Dosificación y Administración

DOSAGE AND ADMINISTRATION For oral use only. Not for parenteral use. Adults: The recommended dosage of levocarnitine is 1 to 3 g/day for a 50 kg subject, which is equivalent to 10 to 30 mL/day of levocarnitine oral solution. Higher doses should be administered only with caution and only where clinical and biochemical considerations make it seem likely that higher doses will be of benefit. Dosage should start at 1 g/day (10 mL/day), and be increased slowly while assessing tolerance and therapeutic response. Monitoring should include periodic blood chemistries, vital signs, plasma carnitine concentrations, and overall clinical condition. Infants and children: The recommended dosage of levocarnitine is 50 to 100 mg/kg/day which is equivalent to 0.5 mL/kg/day levocarnitine oral solution. Higher doses should be administered only with caution and only where clinical and biochemical considerations make it seem likely that higher doses will be of benefit. Dosage should start at 50 mg/kg/day, and be increased slowly to a maximum of 3 g/day (30 mL/day) while assessing tolerance and therapeutic response. Monitoring should include periodic blood chemistries, vital signs, plasma carnitine concentrations, and overall clinical condition. Levocarnitine oral solution may be consumed alone or dissolved in drink or other liquid food. Doses should be spaced evenly throughout the day (every three or four hours) preferably during or following meals and should be consumed slowly in order to maximize tolerance.

Side Effects Overview

ADVERSE REACTIONS The following adverse reactions associated with the use of oral formulations of levocarnitine were identified in clinical trials or postmarketing reports. Because these reactions were reported voluntarily from a population of uncertain size, it is not always possible to estimate their frequency, reliability, or to establish a causal relationship to drug exposure. Gastrointestinal Reactions : Various mild gastrointestinal complaints have been reported during the long-term administration of oral L- or D,L-carnitine; these include transient nausea and vomiting, abdominal cramps, and diarrhea. Gastrointestinal adverse reactions with levocarnitine oral solution dissolved in liquids might be avoided by a slow consumption of the solution or by a greater dilution. Decreasing the dosage often diminishes or eliminates drug-related patient body odor or gastrointestinal symptoms when present. Tolerance should be monitored very closely during the first week of administration and after any dosage increases. Musculoskeletal Reactions : Mild myasthenia has been described only in uremic patients receiving D,L-carnitine. Neurologic Reactions : Seizures have been reported to occur in patients with or without pre-existing seizure activity receiving either oral or intravenous levocarnitine. In patients with pre-existing seizure activity, an increase in seizure frequency and/or severity has been reported. Hypersensitivity Reactions : Rash, urticaria, and facial edema have been reported with oral levocarnitine (see WARNINGS ). To report SUSPECTED ADVERSE REACTIONS, contact Saptalis Pharmaceuticals, LLC. at 1-833-727-8254 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch.

Advertencias y Precauciones

WARNINGS Hypersensitivity Reactions Serious hypersensitivity reactions, including rash, urticaria, and facial edema have been reported with oral levocarnitine. Other serious hypersensitivity reactions, including anaphylaxis, laryngeal edema, and bronchospasm have been reported following intravenous levocarnitine administration, mostly in patients with end-stage renal disease undergoing dialysis. Discontinue use of levocarnitine and instruct patients to seek medical attention if they experience symptoms suggestive of a hypersensitivity reaction.

Contraindicaciones

CONTRAINDICATIONS None known.

Farmacocinética

Pharmacokinetics In a relative bioavailability study in 15 healthy adult male volunteers, levocarnitine tablets were found to be bio-equivalent to levocarnitine oral solution. Following 4 days of dosing with 6 tablets of levocarnitine 330 mg b.i.d. or 2 g of levocarnitine oral solution b.i.d., the maximum plasma concentration (C max ) was about 80 µmol/L and the time to maximum plasma concentration (T max ) occurred at 3.3 hours. The plasma concentration profiles of levocarnitine after a slow 3-minute intravenous bolus dose of 20 mg/kg of levocarnitine were described by a two-compartment model. Following a single i.v. administration, approximately 76% of the levocarnitine dose was excreted in the urine during the 0-24h interval. Using plasma concentrations uncorrected for endogenous levocarnitine, the mean distribution half-life was 0.585 hours and the mean apparent terminal elimination half-life was 17.4 hours. The absolute bioavailability of levocarnitine from the two oral formulations of levocarnitine, calculated after correction for circulating endogenous plasma concentrations of levocarnitine, was 15.1 ± 5.3% for levocarnitine tablets and 15.9 ± 4.9% for levocarnitine oral solution. Total body clearance of levocarnitine (Dose/AUC including endogenous baseline concentrations) was a mean of 4.00 L/h. Levocarnitine was not bound to plasma protein or albumin when tested at any concentration or with any species including the human. 9

Frequently Asked Questions

INDICATIONS AND USAGE Levocarnitine oral solution is indicated in the treatment of primary systemic carnitine deficiency. In the reported cases, the clinical presentation consisted of recurrent episodes of Reye-like encephalopathy, hypoketotic hypoglycemia, and/or cardiomyopathy. Associated symptoms included hypotonia, muscle weakness and failure to thrive. A diagnosis of primary carnitine deficiency requires that serum, red cell and/or tissue carnitine levels be low and that the patient does not have a primary defect in fatty acid or organic acid oxidation (see CLINICAL …

DOSAGE AND ADMINISTRATION For oral use only. Not for parenteral use. Adults: The recommended dosage of levocarnitine is 1 to 3 g/day for a 50 kg subject, which is equivalent to 10 to 30 mL/day of levocarnitine oral solution. Higher doses should be administered only with caution and only where clinical and biochemical considerations make it seem likely that higher doses will be of benefit. Dosage should start at 1 g/day (10 mL/day), and be increased slowly while assessing tolerance …

WARNINGS Hypersensitivity Reactions Serious hypersensitivity reactions, including rash, urticaria, and facial edema have been reported with oral levocarnitine. Other serious hypersensitivity reactions, including anaphylaxis, laryngeal edema, and bronchospasm have been reported following intravenous levocarnitine administration, mostly in patients with end-stage renal disease undergoing dialysis. Discontinue use of levocarnitine and instruct patients to seek medical attention if they experience symptoms suggestive of a hypersensitivity reaction.

CONTRAINDICATIONS None known.

Levocarnitine Oral is a prescription medication. You will need a valid prescription from a licensed healthcare provider.

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References & Data Sources

• DailyMed — Levocarnitine Oral drug label (National Library of Medicine)
• openFDA — Levocarnitine Oral label data (U.S. Food & Drug Administration)
• RxNorm — RXCUI 315134 (NLM Normalized Drug Names)
• NDC Directory — Levocarnitine Oral (FDA National Drug Code)

Aviso Médico

La información en esta página tiene fines exclusivamente educativos y no debe utilizarse como sustituto del consejo médico profesional, diagnóstico o tratamiento.

Siempre consulte a su médico u otro proveedor de salud calificado ante cualquier pregunta que pueda tener sobre una condición médica o medicamento.

Fuentes de datos: DailyMed (NLM), openFDA, MFDS