Montelukast for Mild-Moderate Parkinson’s Disease

We are studying whether Montelukast can slow disease progression in people with mild to moderate Parkinson’s disease. The trial also examines its effects on symptoms and potential side effects.

What diseases are being studied?

Health conditions and diseases that the clinical trial is designed to study and treat.

Who can participate in the clinical trial?

These questions help us understand your situation so we can let the trial team know whether you might be a potential match. This is not a medical evaluation and is not part of the official screening, the study doctor will make the final decision..

What medicines are being studied?

Medicines that are officially approved for use in the European Union and considered safe by EMA. These medicines are already on the market and may be tested for new conditions or populations.

Madopark

What active substances are being studied?

Active substances that are officially approved for use in the European Union and considered safe by EMA. These substances are already on the market and may be tested for new conditions or populations.

Benserazide Hydrochloride
Benserazide hydrochloride is a substance used with levodopa to increase its availability in the brain for treating Parkinson's symptoms.
Carbidopa Monohydrate
Carbidopa monohydrate helps Parkinson's treatments work better by allowing more levodopa to reach the brain and reducing side effects.
Levodopa
Levodopa is a substance that helps restore brain dopamine to improve movement and reduce tremors and stiffness in Parkinson's disease.

What similar medicines might you know?

Don't worry if you don't know the medicines tested in the trial. There is a chance you have heard about the similar medicines. Check the list below to see if you are familiar with any of them.

Levobens
Levodopa Benserazid Beta
Levodopa Benserazide Teva

Where is the clinical trial being conducted?

Locations and medical facilities where this clinical trial is currently recruiting or conducting research. Select the locations where you would like to participate.

Loading map...
Sahlgrenska University Hospital-Vastra Gotalandsregionen
Neurologkliniken
Göteborg, Sweden
Region Skane - Skanes Universitetssjukhus
Neurologkliniken
Lund, Sweden
Region Stockholm – SLSO
Neurologkliniken
Solna, Sweden

Sponsor: Karolinska University Hospital
Last updated: Nov 26, 2025

Disclaimer: Parts of this content have been automatically extracted from the EU Clinical Trials registry. While we strive for accuracy, please always contact the trial site or sponsor directly for correct and official information before making any decisions about participation. View on EU Clinical Trials.