Allopurinol vs Durvalumab

## Allopurinol vs Durvalumab: Overview

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

## Mechanism of Action

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

**Durvalumab**: Human IgG1 kappa anti-PD-L1 monoclonal antibody blocking PD-L1 binding to PD-1 and CD80.

## Pharmacokinetics

**Half-life**: Allopurinol — 1-2 hours; Durvalumab — 17 days.

## Chemical Properties

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

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

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