Magnetic Seizure Therapy (MST) for Treatment Resistant Major Depression

This study is ongoing, but not recruiting participants.
Information provided by (Responsible Party):
Thomas E. Schlaepfer, MD, University Hospital, Bonn Identifier:
First received: October 9, 2008
Last updated: October 28, 2013
Last verified: October 2013

The investigators intend to test in a single center, clinical pilot efficacy study the primary hypothesis that Magnetic Seizure Therapy (MST) as add-on therapy to a controlled pharmacotherapy is efficacious in the treatment of refractory major depression assessed with the Hamilton Depression Rating Scale (HAMD).

Condition Intervention Phase
Major Depression
Device: Thymatron
Device: Tonica MagPro MST
Phase 3

Study Type: Interventional
Study Design: Allocation: Randomized
Endpoint Classification: Safety/Efficacy Study
Intervention Model: Parallel Assignment
Masking: Double Blind (Subject, Caregiver, Outcomes Assessor)
Primary Purpose: Treatment
Official Title: Efficacy of Magnetic Seizure Therapy (MST) in Refractory Major Depression

Resource links provided by NLM:

Further study details as provided by University Hospital, Bonn:

Primary Outcome Measures:
  • Clinical improvement (Hamilton Rating Scale for Depression) [ Time Frame: After each treatment and at followups up to 3 months after the treatment course ] [ Designated as safety issue: No ]

Secondary Outcome Measures:
  • Clinical improvement (Montgomery- Åsberg Rating Scale for Depression) [ Time Frame: After each treatment and at followups up to 3 months after the treatment course ] [ Designated as safety issue: No ]

Estimated Enrollment: 30
Study Start Date: February 2005
Estimated Study Completion Date: May 2014
Primary Completion Date: September 2013 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: Magnetic Seizure Therapy (MST) Device: Tonica MagPro MST
100% power, vertex placement, 3 times per week for 4 weeks
Active Comparator: Electroconvulsive Therapy (ECT) Device: Thymatron
Right unilateral placement, 3x seizure threshold, 3 times per week for 4 weeks


Ages Eligible for Study:   18 Years to 65 Years
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • Patient is diagnosed with a major depressive episode (MDE) according to DSM-IV Diagnosis Criteria derived from the SCID.
  • Patient has not had an acceptable clinical response due to failure (resistance) with at least two treatments from different treatment categories during the current MDE.
  • Patient has a score ≥ 20 on the 24-item Hamilton Rating Scale of Depression.
  • Patient is able to give his informed consent to participate in this study and he is able to fulfill the requirements of the study.
  • Patient is a male or nonpregnant female adequately protected from conception. Females of childbearing potential must use an acceptable method of birth control.
  • Convulsive therapy clinically indicated

Exclusion Criteria:

  • Patient currently has a secondary diagnosis of, or signs of, delirium, dementia, amnesia, or other cognitive disorders per DSM-IV.
  • Patient has had or has currently a diagnosis of non-affective psychotic disorder per DSM-IV.
  • Patient has had alcohol or substance dependence within the previous 12 months or abuse within the previous six months other than nicotine dependence or abuse.
  • Patient has a history or diagnosis of clinically relevant cardiac disease.
  • Patient has a history or diagnosis of clinically relevant injury or disease of the central nervous system.
  • Patient has magnetic material in the head.
  • Patient has implanted medical devices such as cardiac pacemaker, vagus nerve stimulator, medical pumps etc.
  Contacts and Locations
Please refer to this study by its identifier: NCT00770783

Department of Psychiatry and Psychotherapy - University Hospital
Bonn, Germany, 53105
Sponsors and Collaborators
University Hospital, Bonn
Principal Investigator: Thomas E. Schlaepfer, MD University Hospital, Bonn
  More Information

No publications provided

Responsible Party: Thomas E. Schlaepfer, MD, Professor of Psychiatry and Psychotherapy, University Hospital, Bonn Identifier: NCT00770783     History of Changes
Other Study ID Numbers: BSG-05-001
Study First Received: October 9, 2008
Last Updated: October 28, 2013
Health Authority: Germany: Federal Institute for Drugs and Medical Devices

Additional relevant MeSH terms:
Depressive Disorder
Depressive Disorder, Major
Behavioral Symptoms
Mood Disorders
Mental Disorders processed this record on April 17, 2014