Hydroxychloroquine vs Upadacitinib

## Hydroxychloroquine vs Upadacitinib: Overview

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

## Mechanism of Action

**Hydroxychloroquine**: Accumulates in lysosomes raising pH; inhibits toll-like receptor signaling.

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

## Pharmacokinetics

**Half-life**: Hydroxychloroquine — 40-50 days; Upadacitinib — 9-14 hours.

## Chemical Properties

**Molecular Formula**: Hydroxychloroquine — C18H26ClN3O; Upadacitinib — C17H19F3N6O.

**Molecular Weight**: Hydroxychloroquine — 335.8720 g/mol; Upadacitinib — 380.3700 g/mol.

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