Fentanyl vs Ipilimumab

## Fentanyl vs Ipilimumab: Overview

This comparison examines the pharmacological differences between **Fentanyl** and **Ipilimumab**.

## Mechanism of Action

**Fentanyl**: Highly potent synthetic mu-opioid receptor agonist approximately 100 times more potent than morphine.

**Ipilimumab**: Fully human anti-CTLA-4 IgG1 monoclonal antibody that blocks CTLA-4 inhibitory signaling.

## Pharmacokinetics

**Half-life**: Fentanyl — 2-4 hours; Ipilimumab — 14.7 days.

## Chemical Properties

**Molecular Formula**: Fentanyl — C22H28N2O; Ipilimumab — N/A.

**Molecular Weight**: Fentanyl — 336.4700 g/mol; Ipilimumab — N/A.

**Type**: Fentanyl — Small molecule; Ipilimumab — Antibody.