Citalopram vs Durvalumab

## Citalopram vs Durvalumab: Overview

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

## Mechanism of Action

**Citalopram**: Selective serotonin reuptake inhibitor (SSRI); racemic mixture with escitalopram as active S-enantiomer.

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

## Pharmacokinetics

**Half-life**: Citalopram — 35 hours; Durvalumab — 17 days.

## Chemical Properties

**Molecular Formula**: Citalopram — C20H21FN2O; Durvalumab — N/A.

**Molecular Weight**: Citalopram — 324.3920 g/mol; Durvalumab — N/A.

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