Imatinib vs Rituximab

## Imatinib vs Rituximab: Overview

This comparison examines the pharmacological differences between **Imatinib** and **Rituximab**.

## Mechanism of Action

**Imatinib**: Selective inhibitor of BCR-ABL, c-Kit, and PDGFR tyrosine kinases.

**Rituximab**: Chimeric anti-CD20 IgG1 monoclonal antibody inducing B-cell depletion via CDC, ADCC, and apoptosis.

## Pharmacokinetics

**Half-life**: Imatinib — 18 hours; Rituximab — 22 days.

## Chemical Properties

**Molecular Formula**: Imatinib — C29H31N7O; Rituximab — N/A.

**Molecular Weight**: Imatinib — 493.6030 g/mol; Rituximab — N/A.

**Type**: Imatinib — Small molecule; Rituximab — Antibody.