Pembrolizumab vs Ranitidine

## Pembrolizumab vs Ranitidine: Overview

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

## Mechanism of Action

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

**Ranitidine**: Competitive H2 receptor antagonist.

## Pharmacokinetics

**Half-life**: Pembrolizumab — 26 days; Ranitidine — 2-3 hours.

## Chemical Properties

**Molecular Formula**: Pembrolizumab — N/A; Ranitidine — C13H22N4O3S.

**Molecular Weight**: Pembrolizumab — N/A; Ranitidine — 314.4050 g/mol.

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