Knee Osteoarthritis: Bovine vs. Marine Chondroitin Sulfate

We are comparing two types of chondroitin sulfate tablets to see if they help reduce pain and improve function in people with knee osteoarthritis. This study will also look at how these treatments affect quality of life and safety.

6-12 months≤5 visitsConfirmation phase (III)No PlaceboPartially RemoteStandard MedicinesOralOrthopedics and TraumatologyRheumatology

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.

Condrosulf
Condrosulf is a medicine used to relieve joint pain and support cartilage in people with osteoarthritis.

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.

Chondroitin Sulfate
Chondroitin sulfate is a substance that supports joint cartilage and is used to help reduce pain and improve function in osteoarthritis.
Chondroitin Sulfate Sodium
Chondroitin sulfate sodium is a substance that helps support joint cartilage and may reduce pain and stiffness in osteoarthritis.
Dermatan Sulfate
Dermatan sulfate is a substance that helps prevent blood clots by enhancing the body’s natural anticoagulant activity.

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.

Altergene
Atrofort Duo
Cartexan

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.

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Ortopedie MUDr. David Knourek s.r.o.
Cheb, Czechia
ORTOPEDICKÁ AMBULANCE, MUDr. Jiří Štědrý, Ph.D.
Chrudim, Czechia
Artroscan s.r.o.
Hlučín, Czechia
Sponsor: IBSA Institut Biochimique SA
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.