Atezolizumab vs Ondansetron

## Atezolizumab vs Ondansetron: Overview

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

## Mechanism of Action

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

**Ondansetron**: Selective 5-HT3 receptor antagonist.

## Pharmacokinetics

**Half-life**: Atezolizumab — 27 days; Ondansetron — 3-5 hours.

## Chemical Properties

**Molecular Formula**: Atezolizumab — N/A; Ondansetron — C18H19N3O.

**Molecular Weight**: Atezolizumab — N/A; Ondansetron — 293.3660 g/mol.

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