Comparative Pharmacology
Head-to-head clinical analysis: AMINO ACIDS versus AMINOSYN PF 7.
Peer-Reviewed Evidence
Head-to-head clinical analysis: AMINO ACIDS versus AMINOSYN PF 7.
AMINO ACIDS vs AMINOSYN-PF 7%
Comparing the clinical profiles, pharmacokinetic behaviors, and safety indices of these two therapeutic agents.
Amino acids are building blocks for protein synthesis and serve as precursors for neurotransmitters, hormones, and other nitrogenous compounds. They modulate nitrogen balance and support cellular repair and growth.
Aminosyn-PF 7% is a crystalline amino acid solution that provides essential and non-essential amino acids for protein synthesis, thereby maintaining nitrogen balance and supporting tissue repair and growth in parenteral nutrition.
1-2 g/kg/day as continuous IV infusion or as a component of parenteral nutrition.
Intravenous infusion; typical adult dose: 1-2 g amino acids/kg/day (e.g., 14-28 mL/kg/day for 7% solution) as part of parenteral nutrition. Infusion rate not to exceed 0.1 g amino acids/kg/hour.
None Documented
None Documented
Variable; endogenous amino acids: 10–30 min for clearance from plasma; administered doses: distribution half-life ~5–10 min, terminal elimination half-life ~15–30 min, reflecting rapid metabolic utilization and renal reabsorption.
As a mixture of amino acids, individual amino acids have half-lives ranging from minutes to hours; clinically, continuous infusion maintains steady state.
Renal: >95% as amino acids and metabolites, primarily reabsorbed; <5% unchanged. Fecal/biliary: negligible (<1%).
Amino acids are primarily cleared by metabolism; less than 10% is excreted unchanged in urine.
Category C
Category C
Parenteral Nutrition Solution
Parenteral Nutrition Solution