Comparative Pharmacology
Head-to-head clinical analysis: AMINOSYN II 3 5 M versus AMINOSYN II 5 IN DEXTROSE 25 IN PLASTIC CONTAINER.
Peer-Reviewed Evidence
Head-to-head clinical analysis: AMINOSYN II 3 5 M versus AMINOSYN II 5 IN DEXTROSE 25 IN PLASTIC CONTAINER.
AMINOSYN II 3.5% M vs AMINOSYN II 5% IN DEXTROSE 25% IN PLASTIC CONTAINER
Comparing the clinical profiles, pharmacokinetic behaviors, and safety indices of these two therapeutic agents.
Provides essential and nonessential amino acids for protein synthesis, serving as substrates for anabolic processes in parenteral nutrition.
Amino acids serve as substrates for protein synthesis and nitrogen balance; dextrose provides caloric energy. Dextrose stimulates insulin release, promoting cellular uptake of amino acids.
Intravenous infusion of 1.2 to 2.2 g amino acids per kg per day, adjusted to meet metabolic and nutritional requirements. Typical adult dose: initial infusion rate of 50 mL/hour, increasing to 125 mL/hour (4.4 g amino acids per hour) based on tolerance. Not for direct peripheral administration without supplementation of electrolytes and/or dextrose.
Intravenous administration based on protein requirements: 1.0-2.0 g/kg/day amino acids, corresponding to 20-40 mL/kg/day of AMINOSYN II 5% in DEXTROSE 25%. Typical adult dose starts at 30-40 mL/hour, titrated to metabolic goals.
None Documented
None Documented
The terminal elimination half-life of amino acids from the infusion mixture is not uniformly defined; however, individual amino acids have half-lives ranging from 10 to 30 minutes. For the mixture, the effective half-life is clinically considered to be approximately 1-2 hours, reflecting rapid metabolic clearance. In renal impairment, the half-life may be prolonged due to reduced urea clearance.
Not applicable as a single entity; amino acids have rapid plasma clearance (t1/2 of minutes to hours) and dextrose is rapidly cleared (t1/2 ~1-2 hours). Clinical context: Continuous infusion maintains steady state.
Aminosyn II 3.5% M is a crystalline amino acid solution. Amino acids are primarily eliminated by metabolic utilization for protein synthesis and energy production. Excess amino acids undergo deamination, with nitrogen excreted as urea in urine via renal route. Fecal and biliary excretion are negligible. Approximately 80-90% of infused nitrogen is recovered as urea in urine in patients with normal renal function.
Amino acids are primarily metabolized; nitrogen is excreted as urea (renal, ~85%) and ammonia (renal, ~2-5%); glucose is fully metabolized to CO2 and water (exhaled and renal); electrolytes are excreted renally. Less than 5% excreted unchanged renally.
Category C
Category C
Amino Acid Solution
Amino Acid Solution