Aspirin vs Nivolumab
## Aspirin vs Nivolumab: Overview
This comparison examines the pharmacological differences between **Aspirin** and **Nivolumab**.
## Mechanism of Action
**Aspirin**: Irreversibly inhibits cyclooxygenase-1 and -2.
**Nivolumab**: Fully human anti-PD-1 IgG4 monoclonal antibody restoring T-cell anti-tumor activity.
## Pharmacokinetics
**Half-life**: Aspirin — 2-3 hours; Nivolumab — 27 days.
## Chemical Properties
**Molecular Formula**: Aspirin — C9H8O4; Nivolumab — N/A.
**Molecular Weight**: Aspirin — 180.1580 g/mol; Nivolumab — N/A.
**Type**: Aspirin — Small molecule; Nivolumab — Antibody.