Atezolizumab vs Sitagliptin

## Atezolizumab vs Sitagliptin: Overview

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

## Mechanism of Action

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

**Sitagliptin**: DPP-4 inhibitor increasing incretin levels.

## Pharmacokinetics

**Half-life**: Atezolizumab — 27 days; Sitagliptin — 12.4 hours.

## Chemical Properties

**Molecular Formula**: Atezolizumab — N/A; Sitagliptin — C16H15F6N5O.

**Molecular Weight**: Atezolizumab — N/A; Sitagliptin — 407.3140 g/mol.

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