Schizophrenia Treatment: Cannabidiol vs. Placebo

We are studying whether adding cannabidiol to standard antipsychotic treatment helps improve recovery in early schizophrenia. The trial will also look at safety and changes in mental and social functioning.

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 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.

Cannabidiol
Cannabidiol is a substance that helps reduce seizures and relieve pain, anxiety, and inflammation.
Silica D5

What experimental substances are being tested?

Experimental substances that are being investigated in this clinical trial. These are not yet approved for general use.

Cannabidiol

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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Zentralinstitut Fuer Seelische Gesundheit
Psychiatry and Psychotherapy
Mannheim, Germany
Sponsor: Zentralinstitut Fuer Seelische Gesundheit
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.