modelAcetylsalicylicAcid

Diagram of AcetylsalicylicAcid

Extends from Pharmacolibrary.Drugs.ATC.A.A01AD05.

Information

name:AcetylsalicylicAcid
ATC code:A01AD05
route:oral
compartments:1
dosage:500mg
volume of distribution:0.17L
clearance:0.022L/min
other parameters in model implementation

Acetylsalicylic acid, commonly known as aspirin, is a nonsteroidal anti-inflammatory drug (NSAID) used primarily for its analgesic, antipyretic, and anti-inflammatory effects. It is widely used for pain relief, fever reduction, and as an antiplatelet agent for prevention of cardiovascular events. Aspirin is FDA-approved and remains in common clinical use.

Pharmacokinetics

Reported in healthy adult volunteers after single oral administration.

References

  1. Fager, G, et al., & Eriksson, UG (2003). Pharmacokinetics and pharmacodynamics of melagatran, the active form of the oral direct thrombin inhibitor ximelagatran, are not influenced by acetylsalicylic acid. European journal of clinical pharmacology 59(4) 283–289. DOI:10.1007/s00228-003-0619-x PUBMED:https://pubmed.ncbi.nlm.nih.gov/12845508

  2. Brouwers, JR, & de Smet, PA (1994). Pharmacokinetic-pharmacodynamic drug interactions with nonsteroidal anti-inflammatory drugs. Clinical pharmacokinetics 27(6) 462–485. DOI:10.2165/00003088-199427060-00005 PUBMED:https://pubmed.ncbi.nlm.nih.gov/7882636

  3. Stephen, LJ (2003). Drug treatment of epilepsy in elderly people: focus on valproic Acid. Drugs & aging 20(2) 141–152. DOI:10.2165/00002512-200320020-00005 PUBMED:https://pubmed.ncbi.nlm.nih.gov/12534314

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)