modelMorphine
Extends from Pharmacolibrary.Drugs.ATC.N.N02AA01.
Information
| name: | Morphine | |
| ATC code: | N02AA01 | route: | intravenous |
| compartments: | 2 | |
| dosage: | 10 | mg |
| volume of distribution: | 21 | L |
| clearance: | 1.13 | L/min |
| other parameters in model implementation | ||
Morphine is a potent opioid analgesic derived from opium and is primarily used for the relief of moderate to severe pain. It acts as an agonist at the mu-opioid receptor and is widely used in both acute and chronic pain management, including post-surgical, cancer, and palliative care settings. Morphine is an approved drug and is currently utilized globally for its analgesic properties.
Pharmacokinetics
Pharmacokinetic parameters in healthy adult subjects after intravenous administration.
References
Lugo, RA, & Kern, SE (2002). Clinical pharmacokinetics of morphine. Journal of pain & palliative care pharmacotherapy 16(4) 5–18. DOI:10.1080/j354v16n04_02 PUBMED:https://pubmed.ncbi.nlm.nih.gov/14635822
Brokjær, A, et al., & Drewes, AM (2015). Population pharmacokinetics of morphine and morphine-6-glucuronide following rectal administration--a dose escalation study. European journal of pharmaceutical sciences : official journal of the European Federation for Pharmaceutical Sciences 68 78–86. DOI:10.1016/j.ejps.2014.12.004 PUBMED:https://pubmed.ncbi.nlm.nih.gov/25486331
Ihmsen, H, et al., & Jeleazcov, C (2021). Pharmacokinetics of Morphine and Morphine-6-Glucuronide During Postoperative Pain Therapy in Cardiac Surgery Patients. European journal of drug metabolism and pharmacokinetics 46(2) 249–263. DOI:10.1007/s13318-020-00663-z PUBMED:https://pubmed.ncbi.nlm.nih.gov/33547559
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Modelica.Units.SI.Mass | weight (from PK_1C) | 75 | patient weight (kg) |
| Modelica.Units.SI.SpecificVolume | VdPerKg (from PK_1C) | 0.9 | Volume of distribution (L/kg) |
| Modelica.Units.SI.MassFraction | F (from PK_1C) | 0.8 | bioavailiability (0-1) |
| Pharmacolibrary.Types.Clearance | Cl (from PK_1C) | 20 | clearance |
| Modelica.Units.SI.Time | adminTime (from PK_1C) | 60 | first administration time (s) |
| Modelica.Units.SI.Time | adminDuration (from PK_1C) | 600 | administration duration (s) |
| Modelica.Units.SI.Time | adminPeriod (from PK_1C) | 8*60*60 | period of administration (default 8 hours)(s) |
| Pharmacolibrary.Types.Mass | adminMass (from PK_1C) | 1000 | administration mass (mg) |
| Integer | adminCount (from PK_1C) | 8 | number of dose administered (1) |
| Pharmacolibrary.Types.Volume | Vd (from PK_1C) | VdPerKg*weight | Volume of distribution (m3) |
| Pharmacolibrary.Types.MassConcentration | Cmin (from PK_1C) | 0.004 | minimal therapeutic range |
| Pharmacolibrary.Types.MassConcentration | Cmax (from PK_1C) | 0.008 | minimal therapeutic range |
| Pharmacolibrary.Types.MassConcentration | Ctox_peak (from PK_1C) | 0.012 | toxicity peak level |
| Pharmacolibrary.Types.MassConcentration | Ctox_trough (from PK_1C) | 0.006 | toxicity trough level |
| Pharmacolibrary.Types.Volume | Vdp (from PK_2C) | VdpPerKg*weight | Volume of distribution (m3) |
| Modelica.Units.SI.SpecificVolume | VdpPerKg (from PK_2C) | 0.9 | Volume of distribution peripheral(l/kg) |
| Pharmacolibrary.Types.Clearance | k12 (from PK_2C) | 1 | intercompartmental C-P clearance |
| Pharmacolibrary.Types.Clearance | k21 (from PK_2C) | 1 | intercompartmental P-C clearance |
Connectors
| Type | Name | Default | Description |
|---|---|---|---|
| Types.ConcentrationOutput | C_central (from PK_1C) | ||
| Interfaces.ConcentrationPort_b | centralCPort (from PK_1C) | ||
| Interfaces.ConcentrationPort_b | peripheralCPort (from PK_2C) | ||
| Pharmacolibrary.Types.ConcentrationOutput | C_peripheral1 (from PK_2C) |
Components
| Type | Name | Default | Description |
|---|---|---|---|
| Pharmacokinetic.NoPerfusedTissueCompartment | central (from PK_1C) | ||
| Pharmacokinetic.ClearanceDrivenElimination | elim (from PK_1C) | ||
| Sources.PeriodicDose | periodicDose (from PK_1C) | ||
| Modelica.Units.SI.Time | t1_2 (from PK_1C) | elimination half-life | |
| Pharmacolibrary.Pharmacokinetic.TransferFirstOrderNonSym | transfer (from PK_2C) | ||
| Pharmacolibrary.Pharmacokinetic.NoPerfusedTissueCompartment | peripheral (from PK_2C) |
Revisions
- 06/2025 Tomas Kulhanek, generated model from data extracted from PUBMED, DrugBank and LLM(GPT4.1)