Afatinib vs Nivolumab
## Afatinib vs Nivolumab: Overview
This comparison examines the pharmacological differences between **Afatinib** and **Nivolumab**.
## Mechanism of Action
**Afatinib**: Irreversible covalent inhibitor of ErbB family (EGFR/HER1, HER2, HER4) tyrosine kinases.
**Nivolumab**: Fully human anti-PD-1 IgG4 monoclonal antibody restoring T-cell anti-tumor activity.
## Pharmacokinetics
**Half-life**: Afatinib — 37 hours; Nivolumab — 27 days.
## Chemical Properties
**Molecular Formula**: Afatinib — C24H25ClFN5O3; Nivolumab — N/A.
**Molecular Weight**: Afatinib — 485.9400 g/mol; Nivolumab — N/A.
**Type**: Afatinib — Small molecule; Nivolumab — Antibody.