modelDarbepoetinAlfa_1
Extends from Pharmacolibrary.Drugs.ATC.B.B03XA02_1.
Information
| name: | DarbepoetinAlfa_1 | |
| ATC code: | B03XA02_1 | route: | subcutaneous |
| compartments: | 2 | |
| dosage: | 1.5 | mg |
| volume of distribution: | 5.1 | L |
| clearance: | 0.0373 | l/h/kg |
| other parameters in model implementation | ||
Darbepoetin alfa is a synthetic analog of erythropoietin used to stimulate erythropoiesis. It is approved for the treatment of anemia associated with chronic kidney disease (CKD) and chemotherapy-induced anemia in cancer patients. It is longer-acting than recombinant human erythropoietin due to additional sialic acid groups.
Pharmacokinetics
Pharmacokinetic parameters in healthy adult volunteers after subcutaneous administration.
References
An, G, et al., & Veng-Pedersen, P (2017). Population Pharmacokinetics of Darbepoetin in Infants Following Single Intravenous and Subcutaneous Dosing. Journal of pharmaceutical sciences 106(6) 1644–1649. DOI:10.1016/j.xphs.2017.02.001 PUBMED:https://pubmed.ncbi.nlm.nih.gov/28189627
Agoram, B, et al., & Sullivan, JT (2007). Population pharmacokinetics of darbepoetin alfa in healthy subjects. British journal of clinical pharmacology 63(1) 41–52. DOI:10.1111/j.1365-2125.2006.02752.x PUBMED:https://pubmed.ncbi.nlm.nih.gov/16939525
Kawakami, K, et al., & Akizawa, T (2009). Population pharmacokinetics of darbepoetin alpha in peritoneal dialysis and non-dialysis patients with chronic kidney disease after single subcutaneous administration. European journal of clinical pharmacology 65(2) 169–178. DOI:10.1007/s00228-008-0561-z PUBMED:https://pubmed.ncbi.nlm.nih.gov/18807251
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)