Deep Transcranial Magnetic Stimulation for the Treatment of Treatment Resistance Schizophrenia

  • STATUS
    Recruiting
  • End date
    Dec 30, 2022
  • participants needed
    40
  • sponsor
    Shanghai Mental Health Center
Updated on 25 January 2021

Summary

Based on the hypothesis that low-frequency deep transcranial magnetic stimulation(dTMS) on anterior cingulate cortex ACC could down-regulate the glutamate level of ACC and regulate the acc-related functional network in patients with treatment resistance schizophrenia,this research plan to utilise multimodal functional magnetic imaging method(including structural MRI,resting-state functional magnetic resonance imaging and 1H-MRS) to investigate therapeutic efficacy of low-frequency deep transcranial magnetic stimulation on SZ patients symptoms,as well as to elucidate the correlation between treatment effects and glutamate level of ACC

Description

This study includes 20 treatment resistance schizophrenia patients and 20 healthy controls.This study will investigate 1)abnormalities of the glutamate level of ACC in patients with schizophrenia compared to healthy controls by using 1H-MRS technique. 2)potential modulation effects of deep transcranial magnetic stimulation(dTMS) on anterior cingulate cortex function of patients with schizophrenia. 3)the therapeutic efficacy of dTMS on cognitive impairments and other psychotic symptoms of patients with schizophrenia by adopting cognitive function and psychotic symptoms evaluation,as well as to explore the optimal dTMS treatment pattern on cognitive function.

Details
Condition Deep Transcranial Magnetic Stimulation for the Treatment of Treatment Resistance Schizophrenia
Treatment deep transcranial magnetic stimulation with H7 coil
Clinical Study IdentifierNCT04478032
SponsorShanghai Mental Health Center
Last Modified on25 January 2021

Eligibility

Yes No Not Sure

Inclusion Criteria

(1) patients with schizophrenia who meet the dsm-5 diagnostic criteria;(2) aged from 18 to 60;(3) after 4 weeks of treatment with a sufficient dose of an antipsychotic (equivalent dose of 400 ~ 600 mg/ day chlorpromazine (CPZ)), no clinical improvement was achieved (at least two items in PANSS scale P1,P2,P3,N1,N4,N6,G5 and G9 4 points, or cgi-s 4 points).(3) right-handedness, normal hearing, visual acuity or corrected visual acuity;(4) written informed consent of the patient and his/her family

Exclusion Criteria

(1) patients who are currently taking clozapine or who have failed to respond to a full course of treatment with clozapine;(2) Current or past neurological illness,severe physical illness,substance abuse or addiction,alcohol dependence,mental retardation,pregnancy or lactation,extreme agitation, stupor, negative suicide,or those who can not cooperate.A history of MECT within 6 months,or those with contraindications to MRI,rTMS.Medically unstable for at least 1 month (PANSS score fluctuation>10%)
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