Rabeprazole vs Tofacitinib

## Rabeprazole vs Tofacitinib: Overview

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

## Mechanism of Action

**Rabeprazole**: Proton pump inhibitor irreversibly inhibiting gastric H+/K+-ATPase with faster onset than omeprazole.

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

## Pharmacokinetics

**Half-life**: Rabeprazole — 1-2 hours; Tofacitinib — 3.2 hours.

## Chemical Properties

**Molecular Formula**: Rabeprazole — C18H21N3O3S; Tofacitinib — C16H20N6O.

**Molecular Weight**: Rabeprazole — 359.4440 g/mol; Tofacitinib — 312.3700 g/mol.

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