Atezolizumab vs Rituximab

## Atezolizumab vs Rituximab: Overview

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

## Mechanism of Action

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

**Rituximab**: Chimeric anti-CD20 IgG1 monoclonal antibody inducing B-cell depletion via CDC, ADCC, and apoptosis.

## Pharmacokinetics

**Half-life**: Atezolizumab — 27 days; Rituximab — 22 days.

## Chemical Properties

**Type**: Atezolizumab — Antibody; Rituximab — Antibody.