FreAmine III Dosage
Generic name: ISOLEUCINE 0.69g in 100mL, LEUCINE 0.91g in 100mL, LYSINE ACETATE 0.73g in 100mL, METHIONINE 0.53g in 100mL, PHENYLALANINE 0.56g in 100mL, THREONINE 0.4g in 100mL, TRYPTOPHAN 0.15g in 100mL, VALINE 0.66g in 100mL, ALANINE 0.71g in 100mL, ARGININE 0.95g in 100mL, HISTIDINE 0.28g in 100mL, PROLINE 1.12g in 100mL, SERINE 0.59g in 100mL, GLYCINE 1.4g in 100mL, CYSTEINE HYDROCHLORIDE 0.016g in 100mL, PHOSPHORIC ACID 0.12g in 100mL
Dosage form: injection, solution
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The total daily dose of 10% FreAmine® III (Amino Acid Injection) depends on daily protein requirements and on the patient's metabolic and clinical response. The determination of nitrogen balance and accurate daily body weights, corrected for fluid balance, are probably the best means of assessing individual protein requirements.
While Recommended Dietary Allowances of protein are approximately 0.8 g/kg of body weight for a healthy adult and 1.4 to 2.2 g/kg for healthy growing infants and pediatric patients. It must be recognized that protein as well as caloric requirements in traumatized or malnourished patients may be substantially increased. Daily amino acid doses of approximately 1.5 g/kg of body weight for adults and 2 to 3 g/kg of body weight for infants with adequate calories are generally sufficient to satisfy protein needs and promote positive nitrogen balance. Higher doses may be required in severely catabolic states. Such higher doses, especially in infants, must be accompanied by frequent laboratory evaluation. Fat emulsion may be supplied to help meet energy requirements.
Fat emulsion coadministration should be considered when prolonged (more than 5 days) parenteral nutrition is required in order to prevent essential fatty acid deficiency (E.F.A.D.). Serum lipids should be monitored for evidence of E.F.A.D. in patients maintained on fat free TPN.
For protein sparing in well-nourished patients not receiving significant additional calories, amino acid dosages of 1.0 to 1.7 g/kg/day significantly reduce nitrogen losses and spare body protein. If rises in BUN exceed 20 mg% in 48 hours, amino acid infusion should be discontinued or rate of administration reduced.
The provision of sufficient intracellular electrolytes, principally potassium, magnesium, and phosphate, is also required for optimum utilization of amino acids. Approximately 60–180 mEq of potassium, 10–30 mEq of magnesium, and 20–80 mEq of phosphate per day appear necessary to achieve optimum metabolic response. In addition, sufficient quantities of the major extracellular electrolytes (sodium, calcium, and chloride) must be given. In patients with hyperchloremic or other metabolic acidoses, sodium and potassium may be added as the acetate or lactate salts to provide bicarbonate precursor. The electrolyte content of 10% FreAmine® III (Amino Acid Injection) must be considered when calculating daily electrolyte intake. Serum electrolytes, including magnesium and phosphorus, should be monitored frequently.
If a patient's nutritional intake is primarily parenteral, vitamins, especially the water soluble vitamins, and trace elements should also be provided.
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- Drug class: intravenous nutritional products
Other brands: Aminosyn