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A randomized, parallel-group, double-blind study of high-frequency, repetitive transcranial magnetic stimulation (rTMS) for schizophrenic patients with auditory hallucinations.

A randomized, parallel-group, double-blind study of high-frequency, repetitive transcranial magnetic stimulation (rTMS) for schizophrenic patients with auditory hallucinations. - A randomized, parallel-group, double-blind study of repetitive transcranial magnetic stimulation (rTMS) for schizophrenic patients with auditory hallucinations.

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000006051
Enrollment
40
Registered
2011-07-30
Start date
2011-07-01
Completion date
Unknown
Last updated
2026-06-29

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

Conditions

Schizophrenia, Schizoaffective disorder

Interventions

Two-day (two times in the morning and in the evening per day), 20Hz active rTMS procedure and one-month observation period Two-day (two times in the morning and in the evening per day), sham procedure

Sponsors

Department of Psychiatry, Graduate School of Medicine, Chiba University
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: A) Don't reach score 0 of auditory hallucination in AHRS, regardless of pharmacotherapy of antipsychotics with sufficient dose and duration. B)"Sufficient dose" refers to more than 600mg/day chlorpromazine-equivalent dose and "sufficient duration" refers to more than 4 weeks.

Exclusion criteria

Exclusion criteria: 1) Traumatic brain injury with loss of consciousness 2) With cripping device or electrode of deep brain stimulation 3) With embedding cochlea stimulating device 4) With cardiac pacing device 5) Epilepsy 6) Abuse or dependence of alcohol or any illegal drugs 7) Mental retardation or personality disorder 8) Cerebrovascular disease 9) Severe neurological disease 10) Under treatment of severe infection disease or malignancy 11) Pregnant woman 12) Left-handed 13) judged inappropriate to participate into the study by medical doctor

Design outcomes

Primary

MeasureTime frame
Auditory Hallucination Rating Scale

Secondary

MeasureTime frame
Positive and Negative Syndrome Scale, Brief Psychiatric Rating Scale

Countries

Japan

Contacts

Public ContactNobuhisa Kanahara

Graduate School of Medicine, Chiba University Department of Psychiatry

kanahara@faculty.chiba-u.jp043-222-7171

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026