Pembrolizumab vs Selumetinib
## Pembrolizumab vs Selumetinib: Overview
This comparison examines the pharmacological differences between **Pembrolizumab** and **Selumetinib**.
## Mechanism of Action
**Pembrolizumab**: Anti-PD-1 monoclonal antibody restoring anti-tumor immunity.
## Pharmacokinetics
**Half-life**: Pembrolizumab — 26 days; Selumetinib — N/A.
## Chemical Properties
**Type**: Pembrolizumab — Antibody; Selumetinib — Small molecule.