Durvalumab vs Fentanyl

## Durvalumab vs Fentanyl: Overview

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

## Mechanism of Action

**Durvalumab**: Human IgG1 kappa anti-PD-L1 monoclonal antibody blocking PD-L1 binding to PD-1 and CD80.

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

## Pharmacokinetics

**Half-life**: Durvalumab — 17 days; Fentanyl — 2-4 hours.

## Chemical Properties

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

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

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