Captopril vs Ipilimumab

## Captopril vs Ipilimumab: Overview

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

## Mechanism of Action

**Captopril**: First orally active ACE inhibitor; contains thiol group that binds zinc at ACE active site.

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

## Pharmacokinetics

**Half-life**: Captopril — 1.9 hours; Ipilimumab — 14.7 days.

## Chemical Properties

**Molecular Formula**: Captopril — C9H15NO3S; Ipilimumab — N/A.

**Molecular Weight**: Captopril — 217.2850 g/mol; Ipilimumab — N/A.

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