Lapatinib vs Tofacitinib

## Lapatinib vs Tofacitinib: Overview

This comparison examines the pharmacological differences between **Lapatinib** and **Tofacitinib**.

## Mechanism of Action

**Tofacitinib**: Pan-JAK inhibitor with preference for JAK1 and JAK3 blocking pro-inflammatory cytokine signaling.

## Pharmacokinetics

**Half-life**: Lapatinib — N/A; Tofacitinib — 3.2 hours.

## Chemical Properties

**Molecular Formula**: Lapatinib — N/A; Tofacitinib — C16H20N6O.

**Molecular Weight**: Lapatinib — N/A; Tofacitinib — 312.3700 g/mol.

**Type**: Lapatinib — Small molecule; Tofacitinib — Small molecule.