Allopurinol vs Ipilimumab

## Allopurinol vs Ipilimumab: Overview

This comparison examines the pharmacological differences between **Allopurinol** and **Ipilimumab**.

## Mechanism of Action

**Allopurinol**: Xanthine oxidase inhibitor reducing uric acid production.

**Ipilimumab**: Fully human anti-CTLA-4 IgG1 monoclonal antibody that blocks CTLA-4 inhibitory signaling.

## Pharmacokinetics

**Half-life**: Allopurinol — 1-2 hours; Ipilimumab — 14.7 days.

## Chemical Properties

**Molecular Formula**: Allopurinol — C5H4N4O; Ipilimumab — N/A.

**Molecular Weight**: Allopurinol — 136.1120 g/mol; Ipilimumab — N/A.

**Type**: Allopurinol — Small molecule; Ipilimumab — Antibody.