Afatinib vs Sitagliptin

## Afatinib vs Sitagliptin: Overview

This comparison examines the pharmacological differences between **Afatinib** and **Sitagliptin**.

## Mechanism of Action

**Afatinib**: Irreversible covalent inhibitor of ErbB family (EGFR/HER1, HER2, HER4) tyrosine kinases.

**Sitagliptin**: DPP-4 inhibitor increasing incretin levels.

## Pharmacokinetics

**Half-life**: Afatinib — 37 hours; Sitagliptin — 12.4 hours.

## Chemical Properties

**Molecular Formula**: Afatinib — C24H25ClFN5O3; Sitagliptin — C16H15F6N5O.

**Molecular Weight**: Afatinib — 485.9400 g/mol; Sitagliptin — 407.3140 g/mol.

**Type**: Afatinib — Small molecule; Sitagliptin — Small molecule.