Osimertinib vs Upadacitinib

## Osimertinib vs Upadacitinib: Overview

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

## Mechanism of Action

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

**Upadacitinib**: Selective JAK1 inhibitor reducing signaling from cytokines implicated in autoimmune diseases.

## Pharmacokinetics

**Half-life**: Osimertinib — 48 hours; Upadacitinib — 9-14 hours.

## Chemical Properties

**Molecular Formula**: Osimertinib — C28H33N7O2; Upadacitinib — C17H19F3N6O.

**Molecular Weight**: Osimertinib — 499.6050 g/mol; Upadacitinib — 380.3700 g/mol.

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