Erlotinib vs Prednisone

## Erlotinib vs Prednisone: Overview

This comparison examines the pharmacological differences between **Erlotinib** and **Prednisone**.

## Mechanism of Action

**Erlotinib**: Reversible inhibitor of EGFR (HER1) tyrosine kinase, blocking autophosphorylation.

**Prednisone**: Synthetic corticosteroid; suppresses inflammation via glucocorticoid receptor.

## Pharmacokinetics

**Half-life**: Erlotinib — 36 hours; Prednisone — 2-3 hours.

## Chemical Properties

**Molecular Formula**: Erlotinib — C22H23N3O4; Prednisone — C21H26O5.

**Molecular Weight**: Erlotinib — 393.4380 g/mol; Prednisone — 358.4280 g/mol.

**Type**: Erlotinib — Small molecule; Prednisone — Small molecule.