Citalopram vs Nivolumab

## Citalopram vs Nivolumab: Overview

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

## Mechanism of Action

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

**Nivolumab**: Fully human anti-PD-1 IgG4 monoclonal antibody restoring T-cell anti-tumor activity.

## Pharmacokinetics

**Half-life**: Citalopram — 35 hours; Nivolumab — 27 days.

## Chemical Properties

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

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

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