modelFamciclovir

Diagram of Famciclovir

Extends from Pharmacolibrary.Drugs.ATC.J.J05AB09.

Information

name:Famciclovir
ATC code:J05AB09
route:oral
compartments:1
dosage:500mg
volume of distribution:62L
clearance:35L/h
other parameters in model implementation

Famciclovir is an oral prodrug of penciclovir, an antiviral agent used primarily for the treatment of herpes zoster (shingles) and herpes simplex virus infections. It is approved for use in adults and adolescents and is widely used today.

Pharmacokinetics

Pharmacokinetic parameters derived from healthy adult subjects following a single oral dose of famciclovir 500 mg.

References

  1. Schenkel, F, et al., & Daali, Y (2013). Intraocular penetration of penciclovir after oral administration of famciclovir: a population pharmacokinetic model. The Journal of antimicrobial chemotherapy 68(7) 1635–1641. DOI:10.1093/jac/dkt064 PUBMED:https://pubmed.ncbi.nlm.nih.gov/23539240

  2. Ogungbenro, K, et al., & Aarons, L (2009). Population pharmacokinetics and optimal design of paediatric studies for famciclovir. British journal of clinical pharmacology 68(4) 546–560. DOI:10.1111/j.1365-2125.2009.03479.x PUBMED:https://pubmed.ncbi.nlm.nih.gov/19843058

  3. Blumer, J, et al., & Hamed, K (2010). Single-dose pharmacokinetics of famciclovir in infants and population pharmacokinetic analysis in infants and children. Antimicrobial agents and chemotherapy 54(5) 2032–2041. DOI:10.1128/AAC.01508-09 PUBMED:https://pubmed.ncbi.nlm.nih.gov/20160046

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.TransferRateka (from PK_1C_enteral)0.016666666666666666first order absorption rate
Modelica.Units.SI.TimeTlag (from PK_1C_enteral)600delay between oral administration and absorption (default 10min)

Connectors

TypeNameDefaultDescription
Types.ConcentrationOutputC_central (from PK_1C)
Interfaces.ConcentrationPort_bcentralCPort (from PK_1C)

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

Revisions

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