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Ketamine booster for shock therapy? new trial aims to lift depression and protect memory

NCT ID NCT07088380

Symptom relief Sponsor: Università Vita-Salute San Raffaele Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This phase 3 trial tests whether adding a low dose of ketamine to electroconvulsive therapy (ECT) can better relieve depression and reduce memory problems in people with treatment-resistant major depressive disorder. Thirty hospitalized adults will receive either ketamine or a placebo during three ECT sessions. Researchers will measure changes in depression symptoms, suicidal thoughts, and anxiety over four weeks.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
ketamine hydrochloride
What this could lead to
If it works, this could point toward a more effective and less mentally foggy way to treat severe depression that hasn't responded to other treatments.
What could go wrong
This is a small, early-phase trial with only 30 participants, so results may not apply to everyone. Ketamine can cause side effects like dizziness or dissociation, and the added benefit over ECT alone is not yet proven.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Phase 3

Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.

Participants

About 30 people

The number the study aims to enrol. It can still change while the study runs.

Started

Jul 2025

Expected to finish

Sep 2026

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 to 70 years

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Male and female subjects ages 18-70, * diagnosed with MDD (according to SCID5-CV interview) * treatment resistant (defined as at least 2 different antidepressant agents used without success), * ability to give informed consent, * adequacy of the score for anesthesia. Exclusion Criteria: * Chronic neurological diseases, * Intellectual disability * Contraindications to the electroconvulsive therapy (severe aortic valve stenosis, implantable cardiac defibrillators, uncontrolled hypertension, clinically significant respiratory, renal or hepatic disease, abdominal aortic aneurysm, endocrine disorders, neuromuscular diseases, space occupying brain lesions, stroke in the last 6 months), * Patients with Alcohol Use Disorder or Substance Use Disorder or Substance Abuse history in the past year, * Pregnancy and lactation * Cardiovascular conditions, * Psychiatric Disorders, * Hepatic impairment, * Participants with a known hypersensitivity to ketamine or any of its excipients will be excluded from the study, * Participants with any contraindications to the use of ketamine, such as a history of severe cardiovascular conditions (e.g., uncontrolled hypertension, significant arrhythmias), intracranial hypertension, or severe liver impairment, will also be excluded to prevent potential adverse events.

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Conditions

The condition(s) this trial relates to.

Depression Depressive Disorder, Treatment-Resistant major depressive disorder

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Major depressive disorder Treatment-resistant depression

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • IRCCS Ospedale San Raffaele Turro

    RECRUITING

    Milan, 20127, Italy

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