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SchizophreniaNCT03608462

Modulation of Repetitive Transcranial Magnetic Stimulation on Hippocampal Neurogenesis and Functional Network in Patients With Schizophrenia

A study testing repetitive transcranial magnetic stimulation(DLPFC) and repetitive transcranial magnetic stimulation(LPC) in people with Schizophrenia, run by Shanghai Mental Health Center at 1 site in China.

Unknown status

Status not confirmed. The sponsor has not verified this record for over two years, so it may be out of date.

Official record
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Trial summary

Based on the hypothesis that high-frequency repetitive transcranial magnetic stimulation(rTMS) on the right dorsolateral prefrontal cortex(DLPFC) and left parietal cortex(LPC) could normalise cognitive abnormalities by promoting hippocampal neurogenesis and cortical-hippocampal function in patients with… Read more about this study

Who is it for?
Ages 18 to 50 yearsHealthy volunteers can take part
Conditions the study is for
Schizophrenia
What is being tested?
repetitive transcranial magnetic stimulation(DLPFC) and repetitive transcranial magnetic stimulation(LPC)
Type of treatment
Medical device
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
180 participants
Where
1 siteChina
Study dates
1 Apr 2019to 31 Dec 2021
Phase
Interventional
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 to 50 years
  • All sexes
  • Healthy volunteers accepted
  • Adult

Who may be able to join

  • The Structured Interview for Prodromal Symptoms (SIPS) was employed.
  • Meet the diagnostic criteria of Diagnostic and Statistical Manual Diploma in Social Medicine(DSM-V) schizophrenia or schizophreniform psychosis.
  • 18-50years of age,right-handed,normal vision or corrected vision, Han nationality.
  • Disease course less than 5 years.
  • Written informed consent
  • Observation group: First-episode, In addition to criteria1-3,5,antipsychotics naïve,or antipsychotics withdrawal for more than 3 months.
Show all 11Show fewer
  • Intervention group:In addition to criteria 1-6,currently under medication and medically stable for at least 1 month(PANSS score fluctuation<10%);continue the original antipsychotics for at least 1 months after recruitment,with consent of the patients,their psychiatrists and family members.
  • The Structured Interview for Prodromal Symptoms (SIPS) was employed
  • Matched to the early schizophrenia group in terms of age,sex ratio,handedness,and estimated premorbid IQ
  • normal vision or corrected vision, Han nationality
  • Written informed consent

Who cannot join

  • 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%)
  • Healthy controls:
  • History of psychiatric disease in the subjects themselves or a family history of mental disorder in their first-degree relatives,neurological illness,severe physical illness,substance abuse or alcohol dependence,mental retardation.

Trial locations and contacts

1 site in 1 country.

China1 site
  • Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine

    Shanghai, Shanghai Municipality, 200030

Other trials in China

About this study

Official title: Modulation of rTMS on Hippocampal Neurogenesis and Functional Network in Early Schizophrenia

Based on the hypothesis that high-frequency repetitive transcranial magnetic stimulation(rTMS) on the right dorsolateral prefrontal cortex(DLPFC) and left parietal cortex(LPC) could normalise cognitive abnormalities by promoting hippocampal neurogenesis and cortical-hippocampal function in patients with 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 intermittent theta burst stimulation (iTBS) on cognitive impairment in SZ patients with memory defects,as well as to elucidate the correlation between treatment effects and hippocampal neuroplasticity.

Read the detailed description

This study includes 150 schizophrenia patients and 30 healthy controls.This study will investigate 1).abnormalities of hippocampal neurogenesis in patients with schizophrenia compared to healthy controls by using 1H-MRS technique 2a).potential modulation effects of repetitive transcranial magnetic stimulation(rTMS) on hippocampal neurogenesis and cortical-hippocampal function of patients with schizophrenia 2b).the optimal rTMS therapy pattern on promoting hippocampal neurogenesis and improving cortico-hippocampal function by comparing the outcome of stimulating two regions(right dorsolateral prefrontal cortex or left parietal cortex) respectively 3).the therapeutic efficacy of rTMS 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 rTMS treatment pattern on cognitive function by comparing the outcome of stimulating two regions(DLPFC or LPC) respectively 4)association between therapeutic efficacy of rTMS on cognitive deficits and rTMS modulation on hippocampal neurogenesis and its network function,in order to elucidate the underlying mechanism of therapeutic effects of rTMS on cognitive dysfunction in schizophrenia.

Conditions
Schizophrenia
Being tested
repetitive transcranial magnetic stimulation(DLPFC), repetitive transcranial magnetic stimulation(LPC)
Keywords
first episode schizophrenia, rTMS, hippocampal neurogenesis, MRS, cognitive function
Medical subject headings
Schizophrenia

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • repetitive transcranial magnetic stimulation(DLPFC)Device

    high frequency(20Hz) repetitive transcranial magnetic stimulation on dorsolateral prefrontal cortex(DLPFC) .Duration:10 days.

  • repetitive transcranial magnetic stimulation(LPC)Device

    high frequency(20Hz) repetitive transcranial magnetic stimulation on left parietal cortex(LPC).Duration:10 days

Study groups in NCT03608462
Study groupRoleWhat they receive
rTMS targeting the right DLPFCSham comparator60 patients will be randomly allocated into this group,half of them will receive iTBS on the right DLPFC,while the other half will receive sham stimulation.
Receives: Device: repetitive transcranial magnetic stimulation(DLPFC)
rTMS targeting the left LPCSham comparator60 patients will be randomly allocated into this group,half of them will receive iTBS on left LPC,while the other half will receive sham stimulation.
Receives: Device: repetitive transcranial magnetic stimulation(LPC)
Observation groupNo interventionTo investigate the abnormalities of hippocampal neurogenesis in patients with early schizophrenia(n=30) compared to healthy controls(n=30)

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Change from baseline in MATRICS Consensus Cognitive Battery

    MATRICS Consensus Cognitive Battery

    Measured: baseline,24 hours after the rTMS treatment,30 days

  2. Change of hippocampal neurogenesis(from baseline)

    Quantify neural stem cells in hippocampal by using H1-MRS

    Measured: baseline,24 hours after the rTMS treatment

  3. Change of cortical-hippocampal functional network(from baseline)

    Resting-state fMRI data are acquired

    Measured: baseline,24 hours after the rTMS treatment

  4. Change from baseline in associative memory

    associative memory

    Measured: baseline,24 hours after the rTMS treatment,30 days

Secondary outcomes (3)
  1. Change from baseline in Positive and Negative Syndrome Scale(PANSS)

    Positive and Negative Syndrome Scale(PANSS)

    Measured: baseline,24 hours after the rTMS treatment,30 days

  2. Change from baseline in the Scale for the Assessment of Negative Symptoms(SANS)

    Scale for the Assessment of Negative Symptoms

    Measured: baseline,24 hours after the rTMS treatment,30 days

  3. Change from baseline in UCSD Performance-based Skills Assessment-Brief(UPSA-B)

    UCSD Performance-based Skills Assessment-Brief

    Measured: baseline,24 hours after the rTMS treatment,30 days

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted1 Aug 2018
  2. Study start1 Apr 2019
  3. Primary completion31 Dec 2020
  4. Study completion31 Dec 2021 (estimated)

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Model description
In this research,we combine a cross-sectional case control study and a randomized controlled study.
Masking
Double blind
Who is masked
Participant, Outcomes assessor
Enrolment
180 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT03608462
Sponsor's protocol ID
YG2017ZD13
Status last verified
Jan 2021
First submitted
9 Jul 2018
Last updated
27 Sep 2021
Results posted
No
Data monitoring committee
Yes
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
No

Publications

  • Li X, Xiang Q, Cen H, Zhai Z, Gao T, Lu C, Dong Y, Ye Y, Zhang C, Zhuo K, Wang Y, Liu D. Efficacy of Cortical-Hippocampal Target Intermittent Theta Burst Stimulation (iTBS) on Associative Memory of Schizophrenia: A Double-Blind, Randomized Sham-Controlled Trial. Neuropsychiatr Dis Treat. 2024 Oct 10;20:1941-1955. doi: 10.2147/NDT.S468219. eCollection 2024.

    PubMed 39411184

Questions about this trial

What is this clinical trial studying?

A study testing repetitive transcranial magnetic stimulation(DLPFC) and repetitive transcranial magnetic stimulation(LPC) in people with Schizophrenia, run by Shanghai Mental Health Center at 1 site in China.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 11 inclusion and 3 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: status not confirmed, as of the sponsor's last update on 27 Sep 2021. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in China. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. Some participants in this study may receive a placebo. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

Results are not available in the source record.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Change from baseline in MATRICS Consensus Cognitive Battery (time frame: baseline,24 hours after the rTMS treatment,30 days). The study lists 4 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT03608462, which also lists 1 linked publication.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 27 Sep 2021.

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