Pembrolizumab vs Trimethoprim

## Pembrolizumab vs Trimethoprim: Overview

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

## Mechanism of Action

**Pembrolizumab**: Anti-PD-1 monoclonal antibody restoring anti-tumor immunity.

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

## Pharmacokinetics

**Half-life**: Pembrolizumab — 26 days; Trimethoprim — 8-10 hours.

## Chemical Properties

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

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

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