Durvalumab vs Tadalafil
## Durvalumab vs Tadalafil: Overview
This comparison examines the pharmacological differences between **Durvalumab** and **Tadalafil**.
## Mechanism of Action
**Durvalumab**: Human IgG1 kappa anti-PD-L1 monoclonal antibody blocking PD-L1 binding to PD-1 and CD80.
## Pharmacokinetics
**Half-life**: Durvalumab — 17 days; Tadalafil — N/A.
## Chemical Properties
**Type**: Durvalumab — Antibody; Tadalafil — Small molecule.