Osimertinib vs Tacrolimus

## Osimertinib vs Tacrolimus: Overview

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

## Mechanism of Action

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

**Tacrolimus**: Calcineurin inhibitor binding FKBP12; suppresses IL-2 transcription.

## Pharmacokinetics

**Half-life**: Osimertinib — 48 hours; Tacrolimus — 12 hours.

## Chemical Properties

**Molecular Formula**: Osimertinib — C28H33N7O2; Tacrolimus — C44H69NO12.

**Molecular Weight**: Osimertinib — 499.6050 g/mol; Tacrolimus — 804.0180 g/mol.

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