Osimertinib vs Paroxetine

## Osimertinib vs Paroxetine: Overview

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

## Mechanism of Action

**Osimertinib**: Third-generation irreversible EGFR TKI targeting T790M resistance mutation and activating mutations.

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

## Pharmacokinetics

**Half-life**: Osimertinib — 48 hours; Paroxetine — 21 hours.

## Chemical Properties

**Molecular Formula**: Osimertinib — C28H33N7O2; Paroxetine — C19H20FNO3.

**Molecular Weight**: Osimertinib — 499.6050 g/mol; Paroxetine — 329.3730 g/mol.

**Type**: Osimertinib — Small molecule; Paroxetine — Small molecule.