modelMidazolam
Extends from Pharmacolibrary.Drugs.ATC.N.N05CD08.
Information
| name: | Midazolam | |
| ATC code: | N05CD08 | route: | intravenous |
| compartments: | 2 | |
| dosage: | 5 | mg |
| volume of distribution: | 36.5 | L |
| clearance: | 23.6 | L/h |
| other parameters in model implementation | ||
Midazolam is a short-acting benzodiazepine used for sedation, anesthesia, procedural sedation, or the treatment of acute seizures. It is approved for medical use and is commonly administered in hospitals for premedication before surgeries, sedation in intensive care, and acute seizure management.
Pharmacokinetics
Pharmacokinetics described for healthy adult volunteers after single intravenous and oral administration.
References
Kim, SH, & Fechner, J (2022). Remimazolam - current knowledge on a new intravenous benzodiazepine anesthetic agent. Korean journal of anesthesiology 75(4) 307–315. DOI:10.4097/kja.22297 PUBMED:https://pubmed.ncbi.nlm.nih.gov/35585830
van Rongen, A, et al., & van den Anker, JN (2015). Population pharmacokinetics of midazolam and its metabolites in overweight and obese adolescents. British journal of clinical pharmacology 80(5) 1185–1196. DOI:10.1111/bcp.12693 PUBMED:https://pubmed.ncbi.nlm.nih.gov/26044579
Dholakia, U, et al., & Pypendop, BH (2020). Pharmacokinetics of midazolam in sevoflurane-anesthetized cats. Veterinary anaesthesia and analgesia 47(2) 200–209. DOI:10.1016/j.vaa.2019.11.005 PUBMED:https://pubmed.ncbi.nlm.nih.gov/31983556
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)