Diphenhydramine vs Durvalumab

Diphenhydramine vs Durvalumab: Overview

This comparison examines the pharmacological differences between Diphenhydramine and Durvalumab.

Mechanism of Action

Diphenhydramine: First-generation H1 antihistamine with anticholinergic properties.

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

Pharmacokinetics

Half-life: Diphenhydramine — 2-8 hours; Durvalumab — 17 days.

Chemical Properties

Molecular Formula: Diphenhydramine — C17H21NO.

Molecular Weight: Diphenhydramine — 255.3550 g/mol.

Type: Diphenhydramine — Small molecule; Durvalumab — Antibody.