Label: POTASSIUM ACETATE injection, solution, concentrate
- NDC Code(s): 51754-2001-4
- Packager: Exela Pharma Sciences, LLC
- Category: HUMAN PRESCRIPTION DRUG LABEL
- DEA Schedule: None
- Marketing Status: Abbreviated New Drug Application
Updated January 7, 2016
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- SPL UNCLASSIFIED SECTION
Potassium Acetate Injection, USP, 40 mEq (2 mEq/mL) is a sterile, nonpyrogenic, concentrated solution of potassium acetate in water for injection. The solution is administered after dilution by the intravenous route as an electrolyte replenisher. It must not be administered undiluted.
Each 20 mL vial contains 3.93 g of potassium acetate which provides 40 mEq each of potassium (K+) and acetate (CH3COO−). It contains no bacteriostat, antimicrobial agent or added buffer. May contain acetic acid for pH adjustment. pH 6.2 (5.5 to 8.0). The osmolar concentration is 4 mOsmol/mL (calc.).
The solution is intended as an alternative to potassium chloride to provide potassium ion (K+) for addition to large volume infusion fluids for intravenous use.
Potassium acetate, USP is chemically designated CH3COOK, colorless crystals or white crystalline powder very soluble in water.
The vial is fabricated from USP Type I glass.
As the principal cation of the intracellular fluid, potassium plays an important role in fluid and electrolyte balance. The normal potassium concentration in the intracellular fluid compartment is about 160 mEq/liter. The normal serum potassium range is 3.5 to 5.0 mEq/liter. The kidney normally regulates potassium balance but does not conserve potassium as well or as promptly as it conserves sodium. The daily turnover of potassium in the normal adult averages 50 to 150 mEq (milliequivalents) and represents 1.5 to 5% of the total potassium content of the body.
Acetate (CH3COO-), a source of hydrogen ion acceptors, is an alternate source of bicarbonate (HCO3-) by metabolic conversion in the liver. This has been shown to proceed readily, even in the presence of severe liver disease.
INDICATIONS AND USAGE
Potassium Acetate Injection, USP is indicated as a source of potassium, for the addition to large volume intravenous fluids, to prevent or correct hypokalemia in patients with restricted or no oral intake. It is also useful as an additive for preparing specific intravenous fluid formulas when the needs of the patient cannot be met by standard electrolyte or nutrient solutions.
Potassium Acetate Injection, USP must be diluted before use.
To avoid potassium intoxication, infuse potassium-containing solutions slowly. Potassium replacement therapy should be monitored whenever possible by continuous or serial electrocardiography (ECG). Serum potassium levels are not necessarily dependable indicators of tissue potassium levels.
Solutions which contain potassium ions should be used with great care, if at all, in patients with hyperkalemia, severe renal failure and in conditions in which potassium retention is present.
In patients with diminished renal function, administration of solutions containing potassium ions may result in potassium retention.
Solutions containing acetate ions should be used with great care in patients with metabolic or respiratory alkalosis. Acetate should be administered with great care in those conditions in which there is an increased level or an impaired utilization of this ion, such as severe hepatic insufficiency.
WARNING: This product contains aluminum that may be toxic. Aluminum may reach toxic levels with prolonged parenteral administration if kidney function is impaired. Premature neonates are particularly at risk because their kidneys are immature, and they require large amounts of calcium and phosphate solutions, which contain aluminum.
Research indicates that patients with impaired kidney function, including premature neonates, who receive parenteral levels of aluminum at greater than 4 to 5 mcg/kg/day accumulate aluminum at levels associated with central nervous system and bone toxicity. Tissue loading may occur at even lower rates of administration.
Do not administer unless solution is clear and seal is intact. Discard unused portion.
Potassium replacement therapy should be guided primarily by ECG monitoring and secondarily by the serum potassium level.
High plasma concentrations of potassium may cause death by cardiac depression, arrhythmias or arrest.
Use with caution in the presence of cardiac disease, particularly in digitalized patients or in the presence of renal disease.
Solutions containing acetate ion should be used with caution as excess administration may result in metabolic alkalosis.
Pregnancy Category C.
Animal reproduction studies have not been conducted with potassium acetate. It is also not known whether potassium acetate can cause fetal harm when administered to a pregnant woman or can affect reproduction capacity. Potassium acetate should be given to a pregnant woman only if clearly needed.
Pediatric Use: The safety and effectiveness of potassium acetate have been established in pediatric patients.
Geriatric Use: An evaluation of current literature revealed no clinical experience identifying differences in response between elderly and younger patients. In general, dose selection for an elderly patient should be cautious, usually starting at the low end of the dosing range, reflecting the greater frequency of decreased hepatic, renal, or cardiac function, and of concomitant disease or other drug therapy.
Potassium ions are known to be substantially excreted by the kidney, and the risk of toxic reactions may be greater in patients with impaired renal function. Because elderly patients are more likely to have decreased renal function, care should be taken in dose selection, and it may be useful to monitor renal function.
Adverse reactions involve the possibility of potassium intoxication. The signs and symptoms of potassium intoxication include paresthesias of the extremities, flaccid paralysis, listlessness, mental confusion, weakness and heaviness of the legs, hypotension, cardiac arrhythmias, heart block, electrocardiographic abnormalities such as disappearance of P waves, spreading and slurring of the QRS complex with development of a biphasic curve and cardiac arrest. See WARNINGS and PRECAUTIONS.
DOSAGE AND ADMINISTRATION
Potassium Acetate Injection, USP is administered intravenously only after dilution in a larger volume of fluid. The dose and rate of administration are dependent upon the individual needs of the patient. ECG and serum potassium should be monitored as a guide to dosage. Using aseptic technique, all or part of the contents of one or more vials may be added to other intravenous fluids to provide any desired number of milliequivalents (mEq) of potassium (K+) with an equal number of milliequivalents of acetate (CH3COO-).
Maximum infusion rate: The infusion rate should not exceed 1 mEq/kg/hr.
Normal daily requirements:
Newborn: 2-6 mEq/kg/24 hr.
Children: 2-3 mEq/kg/24 hr.
Adult: 40-80 mEq/24 hr.
Intraosseous infusion can be an alternate route for drug administration when intravenous access is not readily available.
Parenteral drug products should be inspected visually for particulate matter and discoloration prior to administration, whenever solution and container permit. See PRECAUTIONS.
Potassium Acetate Injection, USP, 40 mEq (2 mEq/mL) of K+ is supplied in a carton of 25, 20 mL partial-fill single-dose fliptop glass vials.
Each container is partially filled to provide air space for complete vacuum withdrawal of the contents into the I.V. container.
Store at 20 to 25°C (68 to 77°F). [See USP Controlled Room Temperature.]
Revised: October 2015
Exela Pharma Sciences, LLC.
Lenoir, NC 28645 USA
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INGREDIENTS AND APPEARANCE
potassium acetate injection, solution, concentrate
Product Information Product Type HUMAN PRESCRIPTION DRUG Item Code (Source) NDC:51754-2001 Route of Administration INTRAVENOUS Active Ingredient/Active Moiety Ingredient Name Basis of Strength Strength POTASSIUM ACETATE (UNII: M911911U02) (POTASSIUM CATION - UNII:295O53K152) POTASSIUM ACETATE 3.93 g in 20 mL Inactive Ingredients Ingredient Name Strength WATER (UNII: 059QF0KO0R) ACETIC ACID (UNII: Q40Q9N063P) Packaging # Item Code Package Description Marketing Start Date Marketing End Date 1 NDC:51754-2001-4 25 in 1 CARTON 01/07/2016 1 20 mL in 1 VIAL, SINGLE-DOSE; Type 0: Not a Combination Product Marketing Information Marketing Category Application Number or Monograph Citation Marketing Start Date Marketing End Date ANDA ANDA206203 01/07/2016 Labeler - Exela Pharma Sciences, LLC (831274399) Registrant - Exela Pharma Sciences, LLC (831274399) Establishment Name Address ID/FEI Business Operations Exela Pharma Sciences, LLC 831274399 MANUFACTURE(51754-2001)