Comparative Pharmacology
Head-to-head clinical analysis: ADRENALIN versus AUVI Q.
Peer-Reviewed Evidence
Head-to-head clinical analysis: ADRENALIN versus AUVI Q.
ADRENALIN vs AUVI-Q
Comparing the clinical profiles, pharmacokinetic behaviors, and safety indices of these two therapeutic agents.
Direct-acting sympathomimetic amine that acts on alpha- and beta-adrenergic receptors. Alpha-1 activation causes vasoconstriction, beta-1 activation increases heart rate and contractility, beta-2 activation causes bronchodilation.
Epinephrine is a direct-acting sympathomimetic amine that acts on alpha- and beta-adrenergic receptors. Alpha-adrenergic stimulation increases peripheral vascular resistance, reversing hypotension and improving coronary perfusion. Beta-adrenergic stimulation causes bronchodilation, positive chronotropic and inotropic effects, and vasodilation.
1 mg (1 mL of 1:1000 solution) intramuscularly or subcutaneously every 5-20 minutes as needed; for cardiac arrest: 1 mg intravenously or intraosseously every 3-5 minutes.
0.3 mg intramuscularly into anterolateral thigh, repeated every 5-15 minutes as needed.
None Documented
None Documented
Approximately 2-3 minutes for the parent drug in plasma; clinical effects are short-lived due to rapid uptake and metabolism. In severe shock or hepatic impairment, half-life may be slightly prolonged.
The terminal elimination half-life of epinephrine is approximately 2–3 minutes when administered intravenously. After intramuscular injection, the half-life is extended to about 20–30 minutes due to slower absorption, providing a longer duration of therapeutic effect.
Primarily metabolized in the liver and other tissues by catechol-O-methyltransferase (COMT) and monoamine oxidase (MAO). Renal excretion of metabolites (metanephrine, vanillylmandelic acid) and unchanged drug (<2% as unchanged). Biliary/fecal excretion is minimal (<5%).
Epinephrine is rapidly metabolized in the liver and other tissues by catechol-O-methyltransferase (COMT) and monoamine oxidase (MAO). Renal excretion of metabolites accounts for the majority of elimination; less than 5% is excreted unchanged in urine.
Category C
Category C
Adrenergic Agonist
Adrenergic Agonist