Paroxetine vs Trastuzumab

## Paroxetine vs Trastuzumab: Overview

This comparison examines the pharmacological differences between **Paroxetine** and **Trastuzumab**.

## Mechanism of Action

**Paroxetine**: Potent selective serotonin reuptake inhibitor with additional muscarinic and NE reuptake inhibition.

**Trastuzumab**: Anti-HER2 monoclonal antibody inhibiting receptor signaling.

## Pharmacokinetics

**Half-life**: Paroxetine — 21 hours; Trastuzumab — 28 days.

## Chemical Properties

**Molecular Formula**: Paroxetine — C19H20FNO3; Trastuzumab — N/A.

**Molecular Weight**: Paroxetine — 329.3730 g/mol; Trastuzumab — N/A.

**Type**: Paroxetine — Small molecule; Trastuzumab — Antibody.