Chronic Depression: Ketamine Treatment Study

We are investigating whether adding ketamine to a therapy for chronic depression can reduce symptoms more effectively than a placebo. This study aims to help improve treatment options for those struggling with depression.

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.

Isotonische Kochsalzlösung Fresenius
Isotonische Kochsalzlösung Fresenius is a sterile salt solution used to replace body fluids, hydrate patients, and clean wounds or medical devices.
Ketaminhydrochlorid Inresa
Ketaminhydrochlorid Inresa is a medicine used to induce anesthesia and provide short-term pain relief and sedation during medical procedures.

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.

Ketamine Hydrochloride
Ketamine hydrochloride is a substance that produces short-term anesthesia and pain relief for surgeries and severe pain.
Sodium Chloride
Sodium chloride is a substance used to replace salts and fluids in the body and to clean or irrigate wounds and nasal passages.
Sodium Chloride Solution 0.9%
Sodium chloride 0.9% is a sterile salt solution used to replace fluids and electrolytes, hydrate patients, and clean wounds or body cavities.

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.

Acuolens
Addex Natriumklorid
Aminoplasmal E

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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Universitaetsklinikum Jena KöR
psychiatry and psychology
Jena, Germany
Universitaetsklinikum Tuebingen AöR
Psychiatry and Psychotherapy
Tübingen, Germany
Sponsor: Universitaetsklinikum Tuebingen AöR
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.