modelBevacizumab
Extends from Pharmacolibrary.Drugs.ATC.L.L01FG01.
Information
| name: | Bevacizumab | |
| ATC code: | L01FG01 | route: | intravenous |
| compartments: | 2 | |
| dosage: | 500 | mg |
| volume of distribution: | 3.28 | L |
| clearance: | 0.23 | L/day |
| other parameters in model implementation | ||
Bevacizumab is a recombinant humanized monoclonal antibody that inhibits vascular endothelial growth factor A (VEGF-A), thereby preventing the growth of blood vessels that supply tumors. It is used as an anti-angiogenic therapy for a variety of cancers, including metastatic colorectal cancer, non-small cell lung cancer, renal cell carcinoma, and glioblastoma. Bevacizumab is approved and marketed under the brand name Avastin.
Pharmacokinetics
Pharmacokinetic parameters refer to adult cancer patients receiving bevacizumab by intravenous infusion in multiple clinical studies. PK shows linear kinetics and minimal accumulation. Parameters listed are typical for a two-compartment model.
References
Han, K, et al., & Jin, J (2016). Population pharmacokinetics of bevacizumab in cancer patients with external validation. Cancer chemotherapy and pharmacology 78(2) 341–351. DOI:10.1007/s00280-016-3079-6 PUBMED:https://pubmed.ncbi.nlm.nih.gov/27329360
Rietveld, PCS, et al., & Koolen, SLW (2024). Intraperitoneal pharmacokinetics of systemic oxaliplatin, 5-fluorouracil and bevacizumab in patients with colorectal peritoneal metastases. Biomedicine & pharmacotherapy = Biomedecine & pharmacotherapie 176 116820–None. DOI:10.1016/j.biopha.2024.116820 PUBMED:https://pubmed.ncbi.nlm.nih.gov/38810398
Li, CSW, et al., & Cronenberger, C (2020). Population pharmacokinetic modeling of PF-06439535 (a bevacizumab biosimilar) and reference bevacizumab (Avastin. Cancer chemotherapy and pharmacology 85(3) 487–499. DOI:10.1007/s00280-019-03946-8 PUBMED:https://pubmed.ncbi.nlm.nih.gov/31768697
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)