Osimertinib vs Trimethoprim

## Osimertinib vs Trimethoprim: Overview

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

## Mechanism of Action

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

**Trimethoprim**: Dihydrofolate reductase inhibitor (bacterial selective).

## Pharmacokinetics

**Half-life**: Osimertinib — 48 hours; Trimethoprim — 8-10 hours.

## Chemical Properties

**Molecular Formula**: Osimertinib — C28H33N7O2; Trimethoprim — C14H18N4O3.

**Molecular Weight**: Osimertinib — 499.6050 g/mol; Trimethoprim — 290.3180 g/mol.

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