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- Patient Information:
For the acute and chronic treatment of patients with an inborn error of metabolism which results in secondary carnitine deficiency.
For the prevention and treatment of carnitine deficiency in patients with end stage renal disease who are undergoing dialysis. (US Patent Nos. 6,335,369; 6,429,230; 6,696,493)
DOSAGE AND ADMINISTRATION
CARNITOR® (levocarnitine injection) Injection is administered intravenously.
The recommended dose is 50 mg/kg given as a slow 2-3 minute bolus injection or by infusion. Often a loading dose is given in patients with severe metabolic crisis, followed by an equivalent dose over the following 24 hours. It should be administered q3h or q4h, and never less than q6h either by infusion or by intravenous injection. All subsequent daily doses are recommended to be in the range of 50 mg/kg or as therapy may require. The highest dose administered has been 300 mg/kg.
It is recommended that a plasma carnitine concentration be obtained prior to beginning this parenteral therapy. Weekly and monthly monitoring is recommended as well. This monitoring should include blood chemistries, vital signs, plasma carnitine concentrations (the plasma free carnitine concentration should be between 35 and 60 Ámol/L) and overall clinical condition.
ESRD Patients on Hemodialysis
The recommended starting dose is 10-20 mg/kg dry body weight as a slow 2-3 minute bolus injection into the venous return line after each dialysis session. Initiation of therapy may be prompted by trough (pre-dialysis) plasma levocarnitine concentrations that are below normal (40-50 Ámol/L). Dose adjustments should be guided by trough (pre-dialysis) levocarnitine concentrations, and downward dose adjustments (e.g. to 5 mg/kg after dialysis) may be made as early as the third or fourth week of therapy.
Parenteral drug products should be inspected visua ly for particulate matter and discoloration prior to administration, whenever solution and container permit.
Compatibility And Stability
CARNITOR® (levocarnitine injection) Injection is compatible and stable when mixed in parenteral solutions of Sodium Chloride 0.9% or Lactated Ringer's in concentrations ranging from 250 mg/500 mL (0.5 mg/mL) to 4200 mg/500 mL (8.0 mg/mL) and stored at room temperature (25°C) for up to 24 hours in PVC plastic bags.
CARNITOR® (levocarnitine) Injection is available in 1 g per 5 mL single dose vials packaged 5 vials per carton (NDC 54482-147-01). CARNITOR® (levocarnitine) Injection 5 mL vial is manufactured for Sigma-Tau Pharmaceuticals, Inc. by Sigma-Tau S.p.A., 00040 Pomezia (Rome), Italy or Chesapeake Biological Laboratories, Inc. Baltimore, MD 21230-2591.
Store vials at controlled room temperature (25°C). See USP. Discard unused portion of an opened vial, as the formulation does not contain a preservative.
CARNITOR® (levocarnitine) is also available in the following dosage forms:
CARNITOR® (levocarnitine) Tablets are supplied as 330 mg tablets embossed with “CARNITOR ST” in blister packages, in boxes of 90 tablets (NDC 54482-144-07). Made in Italy.
CARNITOR® (levocarnitine) Oral Solution is supplied in 118 mL (4 FL. OZ.) multiple-unit plastic cotainers. The multiple-unit containers are packaged 24 per case (NDC 54482-145-08). CARNITOR® (levocarnitine) Oral Solution is manufactured for Sigma-Tau Pharmaceuticals, Inc. by Hi-Tech Pharmacal Co., Inc., Amityville, NY 11701.
Sigma-tau Pharmaceuticals, Inc. Gaithersburg, MD 20877. Date of Issue: 03/04
Last reviewed on RxList: 5/28/2009
This monograph has been modified to include the generic and brand name in many instances.
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