Tamoxifen vs Trastuzumab

## Tamoxifen vs Trastuzumab: Overview

This comparison examines the pharmacological differences between **Tamoxifen** and **Trastuzumab**.

## Mechanism of Action

**Tamoxifen**: Selective estrogen receptor modulator (SERM).

**Trastuzumab**: Anti-HER2 monoclonal antibody inhibiting receptor signaling.

## Pharmacokinetics

**Half-life**: Tamoxifen — 5-7 days; Trastuzumab — 28 days.

## Chemical Properties

**Molecular Formula**: Tamoxifen — C26H29NO; Trastuzumab — N/A.

**Molecular Weight**: Tamoxifen — 371.5150 g/mol; Trastuzumab — N/A.

**Type**: Tamoxifen — Small molecule; Trastuzumab — Antibody.