Aspirin vs Atezolizumab

## Aspirin vs Atezolizumab: Overview

This comparison examines the pharmacological differences between **Aspirin** and **Atezolizumab**.

## Mechanism of Action

**Aspirin**: Irreversibly inhibits cyclooxygenase-1 and -2.

**Atezolizumab**: Fully human anti-PD-L1 IgG1 monoclonal antibody blocking PD-L1 interaction with PD-1 and B7.1.

## Pharmacokinetics

**Half-life**: Aspirin — 2-3 hours; Atezolizumab — 27 days.

## Chemical Properties

**Molecular Formula**: Aspirin — C9H8O4; Atezolizumab — N/A.

**Molecular Weight**: Aspirin — 180.1580 g/mol; Atezolizumab — N/A.

**Type**: Aspirin — Small molecule; Atezolizumab — Antibody.