modelCimetidine

Diagram of Cimetidine

Extends from Pharmacolibrary.Drugs.ATC.A.A02BA01.

Information

name:Cimetidine
ATC code:A02BA01
route:oral
compartments:1
dosage:300mg
volume of distribution:0.7L
clearance:250ml/min
other parameters in model implementation

Cimetidine is a histamine H2 receptor antagonist used to reduce stomach acid production. It is indicated for the treatment and prevention of peptic ulcers, gastroesophageal reflux disease (GERD), and conditions of excessive gastric acid secretion such as Zollinger-Ellison syndrome. Cimetidine is widely approved and has been used in clinical practice for several decades, though newer H2 antagonists and proton pump inhibitors have largely replaced it.

Pharmacokinetics

Pharmacokinetic parameters reported for healthy adult volunteers after a single oral dose.

References

  1. Scheen, AJ (1996). Clinical pharmacokinetics of metformin. Clinical pharmacokinetics 30(5) 359–371. DOI:10.2165/00003088-199630050-00003 PUBMED:https://pubmed.ncbi.nlm.nih.gov/8743335

  2. Zhang, YF, et al., & Zhong, DF (2016). Effects of probenecid and cimetidine on the pharmacokinetics of nemonoxacin in healthy Chinese volunteers. Drug design, development and therapy 10 357–370. DOI:10.2147/DDDT.S95934 PUBMED:https://pubmed.ncbi.nlm.nih.gov/26855561

  3. Ochs, HR, et al., & Shader, RI (1987). Bromazepam pharmacokinetics: influence of age, gender, oral contraceptives, cimetidine, and propranolol. Clinical pharmacology and therapeutics 41(5) 562–570. DOI:10.1038/clpt.1987.72 PUBMED:https://pubmed.ncbi.nlm.nih.gov/2882883

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)