Montelukast vs Sitagliptin

## Montelukast vs Sitagliptin: Overview

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

## Mechanism of Action

**Montelukast**: Selective leukotriene D4 receptor antagonist.

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

## Pharmacokinetics

**Half-life**: Montelukast — 2.7-5.5 hours; Sitagliptin — 12.4 hours.

## Chemical Properties

**Molecular Formula**: Montelukast — C35H36ClNO3S; Sitagliptin — C16H15F6N5O.

**Molecular Weight**: Montelukast — 586.1800 g/mol; Sitagliptin — 407.3140 g/mol.

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