modelMagnesiumSulfate
Extends from Pharmacolibrary.Drugs.ATC.V.V04CC02.
Information
| name: | MagnesiumSulfate | |
| ATC code: | V04CC02 | route: | intravenous |
| compartments: | 2 | |
| dosage: | 4000 | mg |
| volume of distribution: | 0.25 | L |
| clearance: | 4.55 | L/h |
| other parameters in model implementation | ||
Magnesium sulfate is an inorganic salt used in medicine as an anticonvulsant, a tocolytic, and an electrolyte replenisher, primarily in the management of pre-eclampsia, eclampsia, and severe asthma exacerbations. It is also used for magnesium deficiency and as a laxative. It is approved and in use today for these indications.
Pharmacokinetics
Pharmacokinetic parameters were reported in healthy adult women, non-pregnant, after IV administration over 5 minutes.
References
da Costa, TX, et al., & Oliveira, AG (2020). Population Pharmacokinetics of Magnesium Sulfate in Preeclampsia and Associated Factors. Drugs in R&D 20(3) 257–266. DOI:10.1007/s40268-020-00315-2 PUBMED:https://pubmed.ncbi.nlm.nih.gov/32642964
Brookfield, KF, et al., & Carvalho, B (2016). Pharmacokinetics and placental transfer of magnesium sulfate in pregnant women. American journal of obstetrics and gynecology 214(6) 737.e1–737.e7379. DOI:10.1016/j.ajog.2015.12.060 PUBMED:https://pubmed.ncbi.nlm.nih.gov/26767791
Rower, JE, et al., & Finkelstein, Y (2025). Pharmacokinetics and Pharmacodynamics of Intravenous Magnesium Sulfate in Pediatric Acute Asthma Exacerbations. Journal of clinical pharmacology 65(6) 665–674. DOI:10.1002/jcph.6179 PUBMED:https://pubmed.ncbi.nlm.nih.gov/39775569
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)