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Memory loss study cancelled before it began

NCT ID NCT06733558

Knowledge-focused Sponsor: University of New Mexico Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
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 Results may not be published yet.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 This study
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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study was designed to understand why electroconvulsive therapy (ECT) sometimes causes temporary memory problems. Researchers planned to measure brain waves in people with severe depression or bipolar disorder receiving ECT. The study was withdrawn before any participants were enrolled, so no results are available.

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

Early phase 1

The earliest testing in people: a first look at safety, in a very small group.

Started

Jan 2025

Expected to finish

Jul 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 80 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: * diagnosis of major depressive disorder (MDD; with or without psychotic features) or bipolar 2 most recent episode depressed; * clinical indications for ECT with right unilateral electrode placement including treatment resistance or a need for a rapid and definitive response, * age range adults 18-85 years, and * English-speaking (many of the neuropsychological tests are only available in English). Antidepressant medications will be continued as clinically indicated. To maintain feasibility and retention, as needed medications will be permitted for anxiety and insomnia. Exclusion criteria: * Defined neurological or neurodegenerative disorder (e.g., traumatic brain injury, epilepsy, Alzheimer's disease); * other psychiatric conditions (e.g., schizophrenia, bipolar I disorder); * current drug or alcohol use disorder (except for nicotine); * prisoners; and * pregnancy (pre- menopausal participants will receive pregnancy test, which is clinically indicated for ECT and not part of study protocol).

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Conditions

The condition(s) this trial relates to.

bipolar disorder bipolar II disorder Cognitive Dysfunction major depressive disorder

As listed by the trial registrant

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

Bipolar disorder ii Major depressive disorder

Contacts and locations

Locations

  • Domenici Hall

    Albuquerque, New Mexico, 87106, United States

More trials for these conditions

Other studies related to the condition(s) this trial covers.