Atezolizumab vs Trimethoprim

## Atezolizumab vs Trimethoprim: Overview

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

## Mechanism of Action

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

**Trimethoprim**: Dihydrofolate reductase inhibitor (bacterial selective).

## Pharmacokinetics

**Half-life**: Atezolizumab — 27 days; Trimethoprim — 8-10 hours.

## Chemical Properties

**Molecular Formula**: Atezolizumab — N/A; Trimethoprim — C14H18N4O3.

**Molecular Weight**: Atezolizumab — N/A; Trimethoprim — 290.3180 g/mol.

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