modelAlginicAcid
Extends from Pharmacolibrary.Drugs.ATC.A.A02BX13.
Information
| name: | AlginicAcid | |
| ATC code: | A02BX13 | route: | oral |
| compartments: | 1 | |
| dosage: | 500 | mg |
| volume of distribution: | 1 | L |
| clearance: | 0 | L/h |
| other parameters in model implementation | ||
Alginic acid is a naturally occurring anionic polysaccharide extracted from brown seaweed. It is used primarily in the treatment of gastroesophageal reflux disease (GERD) and heartburn as a gastrointestinal protectant by forming a viscous gel that floats on the gastric contents, thereby reducing reflux. Alginic acid is approved and widely used as an over-the-counter remedy in combination with antacids.
Pharmacokinetics
No pharmacokinetic parameters such as absorption, distribution, metabolism, or excretion have been reported in the literature, as alginic acid acts locally in the gastrointestinal tract and is not systemically absorbed in significant quantities. Thus, standard pharmacokinetic parameters cannot be reported.
References
Levitskaia, TG, et al., & Thrall, KD (2010). Biomaterials for the decorporation of (85)Sr in the rat. Health physics 99(3) 394–400. DOI:10.1097/HP.0b013e3181c4717d PUBMED:https://pubmed.ncbi.nlm.nih.gov/20699703
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.TransferRate | ka (from PK_1C_enteral) | 0.016666666666666666 | first order absorption rate |
| Modelica.Units.SI.Time | Tlag (from PK_1C_enteral) | 600 | delay between oral administration and absorption (default 10min) |
Connectors
| Type | Name | Default | Description |
|---|---|---|---|
| Types.ConcentrationOutput | C_central (from PK_1C) | ||
| Interfaces.ConcentrationPort_b | centralCPort (from PK_1C) |
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 |
Revisions
- 06/2025 Tomas Kulhanek, generated model from data extracted from PUBMED, DrugBank and LLM(GPT4.1)