Doxycycline vs Trastuzumab

## Doxycycline vs Trastuzumab: Overview

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

## Mechanism of Action

**Doxycycline**: Inhibits bacterial protein synthesis by binding 30S ribosomal subunit.

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

## Pharmacokinetics

**Half-life**: Doxycycline — 18-22 hours; Trastuzumab — 28 days.

## Chemical Properties

**Molecular Formula**: Doxycycline — C22H24N2O8; Trastuzumab — N/A.

**Molecular Weight**: Doxycycline — 444.4350 g/mol; Trastuzumab — N/A.

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