modelM03AC04

Diagram of M03AC04

Extends from Pharmacokinetic.Models.PK_2C.

Information

name:Atracurium
ATC code:M03AC04
route:intravenous
compartments:2
dosage:0.5mg
volume of distribution:0.17L
clearance:5.5mL/min/kg
other parameters in model implementation

Atracurium is a non-depolarizing neuromuscular blocking agent used to induce skeletal muscle relaxation during surgery or mechanical ventilation. It acts by competing with acetylcholine for nicotinic receptors at the neuromuscular junction. Atracurium is approved and widely used in clinical anesthesia.

Pharmacokinetics

Pharmacokinetic parameters reported for healthy adult surgical patients (age 18-65) of both sexes undergoing general anesthesia.

References

  1. Kisor, DF, & Schmith, VD (1999). Clinical pharmacokinetics of cisatracurium besilate. Clinical pharmacokinetics 36(1) 27–40. DOI:10.2165/00003088-199936010-00003 PUBMED:https://pubmed.ncbi.nlm.nih.gov/9989341

  2. Dahaba, AA, et al., & Reibnegger, G (2022). Location matters: Overlooked ethnic-geographic effect in China and Austria on propofol/cisatracurium sex differences among a population pharmacokinetic/pharmacodynamic (PopPK/PD) covariate analysis in men, women, and one transgender subject. Fundamental & clinical pharmacology 36(1) 182–198. DOI:10.1111/fcp.12704 PUBMED:https://pubmed.ncbi.nlm.nih.gov/34050969

  3. Olkkola, KT, et al., & Apffelstaedt, C (1991). Model-based adaptive closed-loop feedback control of atracurium-induced neuromuscular blockade. Acta anaesthesiologica Scandinavica 35(5) 420–423. DOI:10.1111/j.1399-6576.1991.tb03321.x PUBMED:https://pubmed.ncbi.nlm.nih.gov/1887743

Parameters

TypeNameDefaultDescription
Modelica.Units.SI.Massweight (from PK_1C)75patient weight (kg)
Modelica.Units.SI.SpecificVolumeVdPerKg (from PK_1C)0.9Volume of distribution (L/kg)
Modelica.Units.SI.MassFractionF (from PK_1C)0.8bioavailiability (0-1)
Pharmacolibrary.Types.ClearanceCl (from PK_1C)20clearance
Modelica.Units.SI.TimeadminTime (from PK_1C)60first administration time (s)
Modelica.Units.SI.TimeadminDuration (from PK_1C)600administration duration (s)
Modelica.Units.SI.TimeadminPeriod (from PK_1C)8*60*60period of administration (default 8 hours)(s)
Pharmacolibrary.Types.MassadminMass (from PK_1C)1000administration mass (mg)
IntegeradminCount (from PK_1C)8number of dose administered (1)
Pharmacolibrary.Types.VolumeVd (from PK_1C)VdPerKg*weightVolume of distribution (m3)
Pharmacolibrary.Types.MassConcentrationCmin (from PK_1C)0.004minimal therapeutic range
Pharmacolibrary.Types.MassConcentrationCmax (from PK_1C)0.008minimal therapeutic range
Pharmacolibrary.Types.MassConcentrationCtox_peak (from PK_1C)0.012toxicity peak level
Pharmacolibrary.Types.MassConcentrationCtox_trough (from PK_1C)0.006toxicity trough level
Pharmacolibrary.Types.VolumeVdp (from PK_2C)VdpPerKg*weightVolume of distribution (m3)
Modelica.Units.SI.SpecificVolumeVdpPerKg (from PK_2C)0.9Volume of distribution peripheral(l/kg)
Pharmacolibrary.Types.Clearancek12 (from PK_2C)1intercompartmental C-P clearance
Pharmacolibrary.Types.Clearancek21 (from PK_2C)1intercompartmental P-C clearance

Connectors

TypeNameDefaultDescription
Types.ConcentrationOutputC_central (from PK_1C)
Interfaces.ConcentrationPort_bcentralCPort (from PK_1C)
Interfaces.ConcentrationPort_bperipheralCPort (from PK_2C)
Pharmacolibrary.Types.ConcentrationOutputC_peripheral1 (from PK_2C)

Components

TypeNameDefaultDescription
Pharmacokinetic.NoPerfusedTissueCompartmentcentral (from PK_1C)
Pharmacokinetic.ClearanceDrivenEliminationelim (from PK_1C)
Sources.PeriodicDoseperiodicDose (from PK_1C)
Modelica.Units.SI.Timet1_2 (from PK_1C)elimination half-life
Pharmacolibrary.Pharmacokinetic.TransferFirstOrderNonSymtransfer (from PK_2C)
Pharmacolibrary.Pharmacokinetic.NoPerfusedTissueCompartmentperipheral (from PK_2C)

Revisions

  • 06/2025 Tomas Kulhanek, generated model from data extracted from PUBMED, DrugBank and LLM(GPT4.1)