Metformin vs Osimertinib

## Metformin vs Osimertinib: Overview

This comparison examines the pharmacological differences between **Metformin** and **Osimertinib**.

## Mechanism of Action

**Metformin**: Activates AMP-activated protein kinase, decreasing hepatic glucose production.

**Osimertinib**: Third-generation irreversible EGFR TKI targeting T790M resistance mutation and activating mutations.

## Pharmacokinetics

**Half-life**: Metformin — 4-9 hours; Osimertinib — 48 hours.

## Chemical Properties

**Molecular Formula**: Metformin — C4H11N5; Osimertinib — C28H33N7O2.

**Molecular Weight**: Metformin — 129.1640 g/mol; Osimertinib — 499.6050 g/mol.

**Type**: Metformin — Small molecule; Osimertinib — Small molecule.