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rTMS Treatment for Positive and Negative Symptoms of Schizophrenia

Examining the Impact of Transcranial Magnetic Stimulation (rTMS) on Schizophrenia and Related Disorders: A Case Series

Status
UNKNOWN
Phases
Phase 2Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT03413527
Enrollment
20
Registered
2018-01-29
Start date
2016-02-29
Completion date
2020-02-29
Last updated
2019-04-22

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Schizophrenia

Keywords

rTMS

Brief summary

This study will examine the effects of rTMS on the negative and positive symptoms of schizophrenia using 2 treatments in sequence applied to related brain areas.

Interventions

DEVICErTMS

rTMS Treatment

Sponsors

St. Joseph's Healthcare Hamilton
Lead SponsorOTHER

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to 75 Years
Healthy volunteers
No

Inclusion criteria

1. are voluntary and competent to consent to treatment 2. have a diagnosis of schizophrenia or schizoaffective disorder 3. are between the ages of 18 and 75 4. are willing and able to adhere to the treatment schedule 5. Pass the TMS adult safety-screening (TASS) questionnaire 6. have normal thyroid functioning based on pre-study blood work. Patients may be reassessed for the study once thyroid levels have normalized. 7. are willing and able to cooperate with interviews and follow simple instructions

Exclusion criteria

1. do not pass the TASS Safety Screening Questionnaire 2. have a significant history of seizures 3. have active suicidal intent 4. are pregnant or may be pregnant. A pregnancy test will be performed for fertile women. 5. have failed a course of Electroconvulsive Therapy (ECT) in the current or previous episode 6. have any significant neurological disorder or insult including, but not limited to: any condition likely to be associated with increased intracranial pressure, space occupying brain lesion, any history of seizure except those therapeutically induced by ECT, cerebral aneurysm, Parkinson's disease, Huntington's chorea, multiple sclerosis, or head trauma resulting in loss of consciousness greater than or equal to 5 minutes 7. have an intracranial implant (e.g., aneurysm clips, shunts, stimulators, cochlear implants, or electrodes) or any other metal object within or near the head, excluding the mouth, that cannot be safely removed 8. have had changes in dose or initiation of any psychotropic medication in the 4 weeks prior to screening. Patients may be re-screened once medications have been stable for 4 weeks. 9. currently (or in the last 4 weeks) take more than lorazepam 2 mg daily (or equivalent) or any dose of an anticonvulsant due to the potential to limit rTMS efficacy

Design outcomes

Primary

MeasureTime frameDescription
Positive and Negative Symptom Scale (PANSS)Change from pre-treatment to post treatment over 6 weekssemi-structured interview designed to rate the severity of schizophrenia symptoms. Score from 0-231, with higher score being worse.

Secondary

MeasureTime frameDescription
Beck Depression InventoryChange from pre-treatment to post treatment over 6 weeksSelf-report questionnaire for depression symptoms. Scores range from 0-63, with higher being worse.
Hamilton Depression Rating Scale (HAM-D)change from pre-treatment to post treatment over 6 weeksClinician-rated scale for depression symptoms. Scores range from 0-53, with higher being worse.

Countries

Canada

Contacts

Primary ContactSheila Verhage-Brown, HBSc, MD
sverhage@stjoes.ca905-522-1155

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026