modelCasimersen

Diagram of Casimersen

Extends from Pharmacolibrary.Drugs.ATC.M.M09AX13.

Information

name:Casimersen
ATC code:M09AX13
route:intravenous
compartments:1
dosage:30mg
volume of distribution:0.21L
clearance:5.1mL/hr/kg
other parameters in model implementation

Casimersen is an antisense oligonucleotide used for the treatment of Duchenne muscular dystrophy (DMD) in patients who have a confirmed mutation of the DMD gene that is amenable to exon 45 skipping. It is approved by the FDA and marketed under the brand name Amondys 45.

Pharmacokinetics

Pharmacokinetic parameters estimated from FDA label and public summaries for intravenous administration in male pediatric patients (ages 7–20 years) with Duchenne muscular dystrophy.

References

  1. Goey, AKL, et al., & East, L (2024). Characterization of Nonclinical Drug Metabolism and Pharmacokinetic Properties of Phosphorodiamidate Morpholino Oligonucleotides, a Novel Drug Class for Duchenne Muscular Dystrophy. Drug metabolism and disposition: the biological fate of chemicals 52(12) 1396–1406. DOI:10.1124/dmd.124.001819 PUBMED:https://pubmed.ncbi.nlm.nih.gov/39516029

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)