Metoprolol vs Pembrolizumab
## Metoprolol vs Pembrolizumab: Overview
This comparison examines the pharmacological differences between **Metoprolol** and **Pembrolizumab**.
## Mechanism of Action
**Metoprolol**: Selective beta-1 adrenergic receptor blocker.
**Pembrolizumab**: Anti-PD-1 monoclonal antibody restoring anti-tumor immunity.
## Pharmacokinetics
**Half-life**: Metoprolol — 3-7 hours; Pembrolizumab — 26 days.
## Chemical Properties
**Molecular Formula**: Metoprolol — C15H25NO3; Pembrolizumab — N/A.
**Molecular Weight**: Metoprolol — 267.3640 g/mol; Pembrolizumab — N/A.
**Type**: Metoprolol — Small molecule; Pembrolizumab — Antibody.