Allopurinol vs Nivolumab

## Allopurinol vs Nivolumab: Overview

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

## Mechanism of Action

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

**Nivolumab**: Fully human anti-PD-1 IgG4 monoclonal antibody restoring T-cell anti-tumor activity.

## Pharmacokinetics

**Half-life**: Allopurinol — 1-2 hours; Nivolumab — 27 days.

## Chemical Properties

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

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

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