Comparing Magnetic Seizure Therapy and Electroconvulsive Therapy for Depression

Electroconvulsive Therapy Versus Magnetic Seizure Therapy: Clinical and Cognitive Outcomes

Phase2; Phase3 Interventional University of Sao Paulo · NCT05054699

This study is testing if Magnetic Seizure Therapy can help people with Major Depressive Disorder and Bipolar Depression just as well as Electroconvulsive Therapy, but with fewer side effects.

Quick facts

PhasePhase2; Phase3
Study typeInterventional
Enrollment100 (estimated)
Ages18 Years to 60 Years
SexAll
SponsorUniversity of Sao Paulo Academic / other
Locations1 site (São Paulo, SP)
Trial IDNCT05054699 on ClinicalTrials.gov

What this trial studies

This study aims to evaluate the efficacy and safety of Magnetic Seizure Therapy (MST) compared to Electroconvulsive Therapy (ECT) for patients with Major Depressive Disorder and Bipolar Depression. MST is an innovative treatment that uses high-frequency magnetic pulses to induce seizures while minimizing cognitive side effects associated with ECT. The study employs a non-inferiority design to determine if MST can provide similar antidepressant effects as ECT while being safer for patients. Additionally, it will assess cognitive side effects and explore neuroimaging changes and predictors of treatment response.

Who should consider this trial

Good fit: Ideal candidates include individuals diagnosed with Major Depressive Disorder or Bipolar Depression who have treatment-resistant symptoms.

Not a fit: Patients with other psychiatric conditions or those who have recently undergone ECT or similar treatments may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could provide a safer alternative to ECT for patients suffering from severe depression.

How similar studies have performed: While ECT has a long history of use, MST is a novel approach, and its comparative efficacy and safety profile are still being evaluated.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Major Depressive Disorder or Bipolar Depression in accordance to the Diagnostic and Statistical Manual (DSM) criteria
* Score equal to or great than 17 points on the Hamilton Depression Rating Scale
* Treatment-resistant depression, defined as insufficient relief of symptoms after two different first line treatments using therapeutic doses and for four to six weeks
* Adequate health and clinical conditions, as assessed by an anaesthesiologist and a psychiatrist

Exclusion Criteria:

* Pregnancy
* Other psychiatric conditions such as Schizophrenia, Schizoaffective Disorder, Substance Abuse, Borderline Personality Disorder, PTSD, or Intellectual Deficiency
* Depressive symptoms due to a clinical condition
* Any clinical or neurological conditions without proper management
* ECT or any other neuromodulation treatment on the last six months
* Inability to consent

Where this trial is running

São Paulo, SP

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Major Depressive DisorderBipolar DepressionMagnetic Seizure TherapyElectroconvulsive TherapyDepressionCognition
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.