modelTestosterone

Diagram of Testosterone

Extends from Pharmacolibrary.Drugs.ATC.G.G03BA03.

Information

name:Testosterone
ATC code:G03BA03
route:intramuscular
compartments:1
dosage:250mg
volume of distribution:1.0L
clearance:0.7L/h/kg
other parameters in model implementation

Testosterone is a naturally occurring steroid hormone that plays a key role in the development of male reproductive tissues and secondary sexual characteristics. It is used clinically for testosterone replacement therapy in males with hypogonadism and in certain other endocrine disorders. Testosterone is an approved drug for therapeutic use in many countries.

Pharmacokinetics

Pharmacokinetic parameters reported for healthy adult males following single intramuscular injection of testosterone enanthate.

References

  1. Pastuszak, AW, et al., & Hu, Y (2021). Population Pharmacokinetic Modeling and Simulations to Evaluate a Potential Dose Regimen of Testosterone Undecanoate in Hypogonadal Males. Journal of clinical pharmacology 61(12) 1618–1625. DOI:10.1002/jcph.1939 PUBMED:https://pubmed.ncbi.nlm.nih.gov/34269421

  2. Vogiatzi, MG, et al., & Rogol, AD (2023). Allometric Scaling of Testosterone Enanthate Pharmacokinetics to Adolescent Hypogonadal Males (IM and SC Administration). Journal of the Endocrine Society 7(6) bvad059–None. DOI:10.1210/jendso/bvad059 PUBMED:https://pubmed.ncbi.nlm.nih.gov/37180212

  3. Chioma, L, & Cappa, M (2023). Hypogonadism in Male Infants and Adolescents: New Androgen Formulations. Hormone research in paediatrics 96(6) 581–589. DOI:10.1159/000521455 PUBMED:https://pubmed.ncbi.nlm.nih.gov/34915486

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

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)