Imatinib vs Upadacitinib

## Imatinib vs Upadacitinib: Overview

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

## Mechanism of Action

**Imatinib**: Selective inhibitor of BCR-ABL, c-Kit, and PDGFR tyrosine kinases.

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

## Pharmacokinetics

**Half-life**: Imatinib — 18 hours; Upadacitinib — 9-14 hours.

## Chemical Properties

**Molecular Formula**: Imatinib — C29H31N7O; Upadacitinib — C17H19F3N6O.

**Molecular Weight**: Imatinib — 493.6030 g/mol; Upadacitinib — 380.3700 g/mol.

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