- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03534128
Combinated Cues and Virtual Spatial Navigation (CombiVirtual)
Influence of Visual, Auditory and Combinated Cues on Virtual Spatial Navigation in Brain-injured Patients.
Many patients suffer from a topographical disorientation after a traumatic brain injury. Virtual Reality settings allow us to develop navigational cues, in order to rehabilitate patients or to help them in daily life. Some visual and auditory cues have proved efficient in helping patients navigating in a virtual environment but when administered separately, they never enabled patients to obtain a similar navigation performance as healthy controls. Moreover, the effect of the combination between visual and auditory cues has never been studied before. The objective of the present study is to determine if the combination between visual and auditory cues improve spatial navigation and memory of patients with a traumatic brain injury.
Therefore, the investigators intend to include in this prospective randomized study 45 patients who have had a moderate or severe traumatic brain injury and 20 healthy controls. Participants will have to reproduce actively with a joystick three different paths including 6 intersections that they have previously seen on a computer screen. One path will be done without cues, one with visual or auditory cues, and one with combined cues (visual+auditory). The order of the paths will be randomized. Auditory cues consist of beeping sounds indicating the direction at each intersection. Visual cues consist of salient landmarks (red and blinking) positioning at each intersection.
The main judgment criterion will be the number of trajectory mistakes during the path reproduction (/6). The secondary judgment criteria will be : time of navigation, memory of the landmarks, the route and the survey of the virtual environment. The confirmation of the help given by the combined cues could further allow the patients to use them in rehabilitation or in real life using augmented reality.
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
- Main objective of the study: to determine if the combination between visual and auditory cues improve spatial navigation and memory of patients with a traumatic brain injury (TBI).
- Secondary objective of the study: to determine if the number of patients (%) with no trajectory mistakes with combined cues differs significantly from the one of healthy controls.
- Investigation centers: 4 : Rehabilitation Unit of Raymond Poincaré Hospital (Garches, France); Rehabilitation Unit of the University Hospital of Bordeaux (France); Rehabilitation Unit of the University Hospital of Rennes (France); Rehabilitation center of Kerpape (France)
- Study description: prospective, clinical, randomized, controlled
- Inclusion criteria: for the patients: history of moderate or severe traumatic brain injury with no other previous neurological history; for the healthy controls: no neurological history.
- Exclusion criteria: deafness (more than 40 decibels at one ear); low non-corrected visual acuity; severe comprehension issues; severe behavioral issues (DSM IV definition); epileptic seizures during the 6 months preceding the inclusion in the present study, except the 14 days after the TBI; a non-stabilized acute disease; absence of social assurance; ongoing legal protection; age under 18; pregnancy and breast-feeding
Procedure: 1) Selection of patients by the investigators in each center. Verification of the inclusion and the exclusion criteria, and delivery of the information note.
2) Visit 1: At least 24 hours later, investigators will gather the written consent of the participants. Then, participants will have to reproduce actively with a joystick three different paths including 6 intersections that they have previously seen on a computer screen representing a virtual district. One path will be done without cues, one with visual or auditory cues, and one with combined cues (visual+auditory). The order of the paths will be randomized. Auditory cues consist on beeping sounds indicating the direction at each intersection. Visual cues consist on salient landmarks (red and blinking) positioning at each intersection. The virtual district used looks like a North-American medium-sized town. Duration: 1h30 maximum.
3) A second visit will be organized less than 15 days after the Visit 1. It will consist of a classical neuropsychological evaluation, assessing global cognitive efficiency (using the Mini Mental State Examination), memory (using the Gröber and Buschke test and the Rey Figure), executive functions (using the Frontal Assessment Battery and the Stroop test), attentional functions (using the Zazzo test), visuo-spatial functions (using the Rotation Mental test, the Santa Barbara Questionnaire and a mental imagery test developed by Maurer and Descloux) and neglect (using a barrage test and the Catherine Bergego scale). Duration: 2 hours maximum.
- Duration of the study: 18 months
- Number of participants included (using a calculation for the number of participants): 45 patients with a traumatic brain injury, and 20 healthy controls
- Statistics: comparisons between conditions will be done using ANOVA tests, then 2-by-2 using t-tests (if normality is established; if not, Kruskall-Wallis tests and Wilcoxon tests will be used). Correlations (Pearson or Spearman tests) will be done between spatial navigation performances and neuropsychological results at pencil-and-paper tasks.
- Ethics: The consent of an Ethics Committee has been requested (pending). A clinician Research Associate will monitor the results. A meeting with the investigators of the 4 centers will be planned every 6 months.
- The Source data verification will be done by the Clinician Research Associate for each participant.
- Reporting for adverse effects: the possible adverse effects are fatigue, headache, cyber-sickness (the same effect that can occur during the use of a computer) and exceptionally epileptic seizure (risk limited by the shortness of the exposure with the computer; 8 minutes per path on average). If a severe adverse effect occurs, like an epileptic seizure, it will be immediately reported to the sponsor, and a formulary will be send to a specific cell (named "Cellule Vigilance de la Fédération de Recherche Clinique"). The participation of the subject to the study will be immediately stopped.
- Plan for missing data: the presence of missing data or lost participants has been taken into account in the calculation for the number of participants. The data will be analyzed in "intention-to-treat".
Study Type
Enrollment (Anticipated)
Phase
- Not Applicable
Contacts and Locations
Study Contact
- Name: Mélanie Cogné, MD, PhD
- Phone Number: 0033631924714
- Email: melanie.cogne@aphp.fr
Study Contact Backup
- Name: Philippe Azouvi, MD, PhD
- Phone Number: 0033147107900
- Email: philippe.azouvi@aphp.fr
Study Locations
-
-
Aquitaine
-
Bordeaux, Aquitaine, France, 33000
- Recruiting
- University Hospital of Bordeaux (Pellegrin)
-
Contact:
- Pierre-Alain Joseph, MD, PhD
- Phone Number: 0033556795546
- Email: pierre-alain.joseph@chu-bordeaux.fr
-
Contact:
- Eric Sorita, PhD
- Phone Number: 0033556795546
- Email: eric.sorita@chu-bordeaux.fr
-
Principal Investigator:
- Pierre-Alain Joseph, MD, PhD
-
Sub-Investigator:
- Eric Sorita, PhD
-
-
Bretagne
-
Kerbach, Bretagne, France, 56275
- Not yet recruiting
- Rehabilitation Unit of Kerpape
-
Contact:
- Jean-Luc Le Guiet, MD
- Phone Number: 0033297826060
- Email: jlleguiet@kerpape.mutualite56.fr
-
Principal Investigator:
- Jean-Luc Le Guiet, MD
-
Principal Investigator:
- Pauline Coignard, MD
-
Rennes, Bretagne, France, 35000
- Not yet recruiting
- University Hospital of Rennes (Pontchaillou)
-
Contact:
- Isabelle Bonan, Md, PhD
- Email: isabelle.bonan@chu-rennes.fr
-
Principal Investigator:
- Isabelle Bonan, MD, PhD
-
Sub-Investigator:
- Mélanie Cogné, MD, PhD
-
-
Ile-De-France
-
Garches, Ile-De-France, France, 92380
- Recruiting
- Rehabilitation Unit, Raymond Poincaré Hospital
-
Contact:
- Mélanie Cogné, MD, PhD
- Phone Number: 0033147107900
- Email: melanie.cogne@aphp.fr
-
Principal Investigator:
- Mélanie Cogné, MD, PhD
-
Sub-Investigator:
- Philippe Azouvi, MD, PhD
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
1/ For the patients:
- History of moderate or severe traumatic brain injury with no other previous neurological history 2/ For the healthy controls:
- No neurological history
Exclusion Criteria:
- Deafness (more than 40 decibels at one ear)
- Low non-corrected visual acuity
- Severe comprehension issues
- Severe behavioral issues (DSM IV definition)
- Epileptic seizures during the 6 months preceding the inclusion in the present study, except the 14 days after the TBI
- A non-stabilized acute disease
- Absence of social assurance
- Ongoing legal protection
- Age under 18
- Pregnancy and breast-feeding
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Supportive Care
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Spatial navigation evaluation
|
Evaluation of the effect of cues on virtual spatial navigation using a virtual district
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Number of trajectory mistakes
Time Frame: 1-8 minutes
|
Number of trajectory mistakes during the reproduction of the path (/6)
|
1-8 minutes
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Time of navigation
Time Frame: 1-8 minutes
|
Time of navigation during the reproduction of the path (in seconds)
|
1-8 minutes
|
Memory of landmarks
Time Frame: 1-5 minutes
|
After navigation, spelling of the landmarks of the district and classification of these landmarks in a chronological order
|
1-5 minutes
|
Memory of the route
Time Frame: 1-5 minutes
|
After navigation, participants will have the recognize from a photography the direction that they have taken at each intersection
|
1-5 minutes
|
Memory of survey
Time Frame: 1-5 minutes
|
After navigation, participants will be asked to choose one drawing representing their path between 4 possibilities
|
1-5 minutes
|
Collaborators and Investigators
Collaborators
Investigators
- Principal Investigator: Mélanie Cogné, MD, PhD, Raymond Poincaré Hospital
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- CombiVirtual
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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