Osimertinib vs Selpercatinib
## Osimertinib vs Selpercatinib: Overview
This comparison examines the pharmacological differences between **Osimertinib** and **Selpercatinib**.
## Mechanism of Action
**Osimertinib**: Third-generation irreversible EGFR TKI targeting T790M resistance mutation and activating mutations.
## Pharmacokinetics
**Half-life**: Osimertinib — 48 hours; Selpercatinib — N/A.
## Chemical Properties
**Molecular Formula**: Osimertinib — C28H33N7O2; Selpercatinib — N/A.
**Molecular Weight**: Osimertinib — 499.6050 g/mol; Selpercatinib — N/A.
**Type**: Osimertinib — Small molecule; Selpercatinib — Small molecule.