- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04798131
fMRI-based Neurofeedback to Relieve Drug-resistant Auditory Hallucinations (INTRUDE)
March 24, 2022 updated by: University Hospital, Lille
Treat Refractory Auditory Hallucinations in Schizophrenia Patients With fMRI-guided Neurofeedback: a Randomized-controlled Trial
The INTRUDE trial aims at assessing the efficacy of an fMRI-based neurofeedback procedure on drug-resistant auditory hallucinations.
Hallucinations are complex and transient mental states associated with subtle and brain-wide patterns of activity for which we were recently able to validate an fMRI multivariate decoder.
Based on this progress, we can track patients' hallucinatory status using real-time fMRI.
We will test whether schizophrenia patients with drug-resistant hallucinations can be trained to maintain the brain state associated with a no-hallucination condition using appropriate strategies and thus reduce overall severity.
We will refer to a double-blind randomized placebo-controlled design.
A total of 86 patients will be enrolled and equally split in an active neurofeedback group (n=43) and a sham group (n=43), matched for sex, age and PANSS scores.
Each patient will benefit from 4 runs of either active or sham neurofeedback.
The primary outcome measure will be the mean decrease of AHRS scores relative to baseline, and at 1 month post-treatment.
We expect significant clinical benefits from fMRI-based neurofeedback on drug-resistant hallucinations compared with the sham group.
Study Overview
Status
Not yet recruiting
Intervention / Treatment
Study Type
Interventional
Enrollment (Anticipated)
84
Phase
- Not Applicable
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Contact
- Name: Renaud JARDRI, MD,PhD
- Phone Number: +33 0320445962
- Email: renaud.jardri@chru-lille.fr
Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
18 years to 60 years (Adult)
Accepts Healthy Volunteers
No
Genders Eligible for Study
All
Description
Inclusion Criteria:
- Schizophrenia (according to the DSM-5 classification)
- Frequent auditory hallucinations (SAPS item #1 ≥ 4)
- Stable medication for at least 30 days
- Absence of chronic neurological disorder (including seizure)
- Able to provide free written consent to participate in the research
Exclusion Criteria:
- Pregnancy
- Contraindication to MRI scan
- Claustrophobia
- No social insurance
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Quadruple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Active
The visual feedback will correspond to instructions, adapted to the current hallucinatory state and decoded online from the fMRI signal.
|
Patients will perform 5 fMRI sessions.
Four consecutive fMRI runs (1/ day) during which they will continuously receive visual feedback computed from the fMRI signal analyzed with the hallucinations decoder.
Patients will be trained to maintain the brain state associated with the no-hallucination state using appropriate coping strategies.
A 5th fMRI scan will be performed at 1 month post-treatment.
|
Sham Comparator: Sham
The visual feedback will correspond to random instructions independently of the fMRI signal.
|
Patients will perform 5 fMRI sessions.
Four consecutive fMRI runs (1/ day) during which they will receive a random feedback and a 5th run at 1 month post-treatment.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change from baseline in the Auditory Hallucination Rating Scale (AHRS) measure of hallucinations severity
Time Frame: 1 month after treatment
|
AHRS will be measured at t0 (randomization) and at 1 month after treatment Minimum score is 2, maximum score is 41, higher score indicates more severe symptoms.
|
1 month after treatment
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change from baseline in Positive and Negative Syndrome Scale (PANSS) measure of hallucinations severity
Time Frame: 1 month after treatment
|
PANSS will be measured at t0 (randomization) and at 1 month after treatment The PANSS contains 7 positive symptom scales, 7 negative system scales, and 16 general psychopathology symptom scales.
rate from 1 to 7 on each symptom scale.
The total score is the sum of all scales with a minimum score of 30 and a maximum score of 210
|
1 month after treatment
|
Change from baseline Questionnaire for Psychotic Experiences (QPE) measure for severity of hallucinations
Time Frame: 1 month after treatment
|
QPE will be measured at t0 (randomization) and at 1 month after treatment
|
1 month after treatment
|
Change from baseline Simplified Acute Physiology Score (SAPS) measure for severity of hallucinations
Time Frame: 1 month after treatment
|
SAPS will be measured at t0 (randomization) and at 1 month after treatment
|
1 month after treatment
|
Change from baseline Visual analogue scale (VAS) measure for severity of hallucinations
Time Frame: 1 month after treatment
|
VAS will be measured at t0 (randomization) and at 1 month after treatment
|
1 month after treatment
|
Changes in global functioning relative to baseline
Time Frame: 1 month after treatment
|
Global Assessment of Functioning (GAF) is a numeric scale be measured at t0 (randomization) and at 1 month after treatment Scores range from 100 (extremely high functioning) to 1 (severely impaired).
|
1 month after treatment
|
Changes in quality of life relative to baseline
Time Frame: 1 month after treatment
|
SQLS score will be measured at t0 (randomization) and at 1 month after treatment
|
1 month after treatment
|
Changes in structural MRI markers relative to baseline
Time Frame: 1 month after treatment
|
Cortical thickness will be measured at t0 (randomization) and at 1 month after treatment
|
1 month after treatment
|
Changes in structural MRI markers relative to baseline
Time Frame: 1 month after treatment
|
Gyrification Index will be measured at t0 (randomization) and at 1 month after treatment
|
1 month after treatment
|
Changes in functional MRI markers relative to baseline
Time Frame: 1 month after treatment
|
Brain activity at rest and connectivity metrics will be measured at t0 (randomization) and at 1 month after treatment
|
1 month after treatment
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Collaborators
Investigators
- Principal Investigator: Renaud JARDRI, MD,PhD, University Hospital, Lille
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start (Anticipated)
December 1, 2022
Primary Completion (Anticipated)
July 1, 2026
Study Completion (Anticipated)
July 1, 2026
Study Registration Dates
First Submitted
January 14, 2021
First Submitted That Met QC Criteria
March 11, 2021
First Posted (Actual)
March 15, 2021
Study Record Updates
Last Update Posted (Actual)
March 25, 2022
Last Update Submitted That Met QC Criteria
March 24, 2022
Last Verified
March 1, 2022
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- 2020_08
- 2020-A00631-38 (Other Identifier: ID-RCB number,ANSM)
- ANR-16-CE37-0015 (Other Identifier: ANR number)
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
No
Studies a U.S. FDA-regulated device product
No
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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