Brainstem stimulation for improving awareness in schizophrenia

The Clinical and Functional Imaging Effects of Non-invasive Neuromodulation on Illness Awareness in Schizophrenia

NA · Scion NeuroStim · NCT05580211

This study tests if a new brain stimulation device can help people with schizophrenia become more aware of their illness and stick to their treatment.

Quick facts

PhaseNA
Study typeInterventional
Enrollment34 (estimated)
Ages18 Years and up
SexAll
SponsorScion NeuroStim (industry)
Locations1 site (Toronto, Ontario)
Trial IDNCT05580211 on ClinicalTrials.gov

What this trial studies

This study investigates the effects of a non-invasive brainstem neuromodulation device on illness awareness in patients with schizophrenia. By utilizing a novel approach that combines brain stimulation with neuroimaging biomarkers, the study aims to assess changes in brain function associated with treatment. The goal is to address the significant issue of medication non-adherence linked to lack of illness awareness, which is a challenging aspect of schizophrenia management.

Who should consider this trial

Good fit: Ideal candidates include adults aged 18 and older with a diagnosis of schizophrenia or schizoaffective disorder who exhibit moderate-to-severe lack of illness awareness.

Not a fit: Patients with stable medical conditions or those who have undergone recent ear or eye surgeries may not benefit from this study.

Why it matters

Potential benefit: If successful, this approach could enhance treatment adherence and overall outcomes for patients with schizophrenia.

How similar studies have performed: While the approach of brainstem neuromodulation is innovative, similar studies exploring neuromodulation techniques have shown promise in other psychiatric conditions.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

1. Male or female inpatients or outpatients ≥ 18 years of age
2. Having a DSM-V diagnosis of schizophrenia or schizoaffective disorder
3. Voluntary and capable of consenting to participation in the research study
4. Fluent in English
5. Moderate-to-severe lack of illness awareness ≤7 on the VAGUS-SR, which corresponds to a rating of ≥3 on PANSS G12 Insight and Judgment item
6. On a stable dose of antipsychotic and other concomitant medications for at least 2 months, and unlikely to undergo changes in dose during the study

Exclusion Criteria:

1. Unwilling or unable to consent to the study
2. Use of hearing aids or cochlear implants, chronic tinnitus, temporomandibular joint disease
3. Had eye surgery within the previous three (3) months
4. Ear surgery within 6 months prior to entering the study
5. Active ear infection or perforated tympanic membrane
6. Diagnosis of vestibular dysfunction
7. Unstable medical illness or any concomitant major medical or neurological illness, including a history of cardiovascular disease and seizures
8. Acute suicidal and/or homicidal ideation
9. Formal thought disorder rating ≥4 on PANSS item P2
10. DSM-V substance dependence (except caffeine and nicotine) within one month prior to entering the study
11. Positive urine drug screen at the screening visit
12. Metal implants or a pacemaker that would preclude the MRI scan
13. Pregnancy

Where this trial is running

Toronto, Ontario

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.

View on ClinicalTrials.gov →

Conditions: Schizophrenia, neuromodulation

Last reviewed 2026-05-15 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.