Eculizumab vs Gefitinib
## Eculizumab vs Gefitinib: Overview
This comparison examines the pharmacological differences between **Eculizumab** and **Gefitinib**.
## Mechanism of Action
**Gefitinib**: Selective reversible inhibitor of EGFR tyrosine kinase.
## Pharmacokinetics
**Half-life**: Eculizumab — N/A; Gefitinib — 48 hours.
## Chemical Properties
**Molecular Formula**: Eculizumab — N/A; Gefitinib — C22H24ClFN4O3.
**Molecular Weight**: Eculizumab — N/A; Gefitinib — 446.9000 g/mol.
**Type**: Eculizumab — Antibody; Gefitinib — Small molecule.