modelErythromycin

Diagram of Erythromycin

Extends from Pharmacolibrary.Drugs.ATC.J.J01FA01.

Information

name:Erythromycin
ATC code:J01FA01
route:oral
compartments:2
dosage:500mg
volume of distribution:39L
clearance:13.4L/hr
other parameters in model implementation

Erythromycin is a macrolide antibiotic used primarily for the treatment of respiratory tract infections, skin infections, and some sexually transmitted infections. It is active against many Gram-positive bacteria and some Gram-negative bacteria. Erythromycin is approved and still used clinically, although its use has declined with the introduction of newer macrolides.

Pharmacokinetics

Pharmacokinetic parameters reported in healthy adult volunteers after a single oral dose of erythromycin base.

References

  1. Bizjak, ED, & Mauro, VF (1997). Digoxin-macrolide drug interaction. The Annals of pharmacotherapy 31(9) 1077–1079. DOI:10.1177/106002809703100918 PUBMED:https://pubmed.ncbi.nlm.nih.gov/9296249

  2. Yu, KS, et al., & Shin, SG (2001). Ethnic differences and relationships in the oral pharmacokinetics of nifedipine and erythromycin. Clinical pharmacology and therapeutics 70(3) 228–236. DOI:10.1067/mcp.2001.117703 PUBMED:https://pubmed.ncbi.nlm.nih.gov/11557910

  3. Hall, KW, et al., & DiSanto, AR (1982). Pharmacokinetics of erythromycin in normal and alcoholic liver disease subjects. Journal of clinical pharmacology 22(7) 321–325. DOI:10.1002/j.1552-4604.1982.tb02682.x PUBMED:https://pubmed.ncbi.nlm.nih.gov/7107981

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
Pharmacolibrary.Types.TransferRateka (from PK_2C_enteral)0.016666666666666666first order absorption rate
Modelica.Units.SI.TimeTlag (from PK_2C_enteral)600delay between oral administration and absorption (default 10min)

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)