- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02148770
The Effect of Neurofeedback on Eating Behaviour
Modulating Functional Connectivity Between Eating-related Brain Areas by Neurofeedback
Study Overview
Detailed Description
Primary objective: We want to investigate whether the training-induced up-regulation of the dorsal prefrontal cortex inhibits eating behaviour.
Study design: A parallel design. Half of the participants will learn to up-regulate activity of the dorsolateral prefrontal cortex (dlPFC), while the other participants will participate in sham-training sessions. Adherence to experimental conditions will be assigned randomly, based on the participants' enrolment in the study, balanced by gender and binge eating classification.
Study population: 50 overweight and obese (BMI 25-40 kg/m2), but otherwise healthy individuals, 18-65 years old.
Intervention: All participants will participate in a screening day, followed by one neurofeedback session day and a follow-up day. During the neurofeedback session, participants will undergo a 45 min real-time-fMRI-brain-computer-interface scan in order to learn to up-regulate dlPFC activation.
Main study parameters/endpoints:
- The ability to up-regulate dlPFC activity.
- Respective effects on eating behaviour. Nature and extent of the burden and risks associated with participation: Participants will be scanned once (fMRI). Functional MRI is a safe and non-invasive technique.
Study Type
Enrollment (Anticipated)
Phase
- Not Applicable
Contacts and Locations
Study Contact
- Name: Manfred Hallschmid, PhD
- Phone Number: +49 7071 29-8825
- Email: Manfred.Hallschmid@uni-tuebingen.de
Study Contact Backup
- Name: Maartje Spetter, PhD
- Phone Number: +49 7071 29-81193
- Email: Maartje.Spetter@uni-tuebingen.de
Study Locations
-
-
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Tuebingen, Germany, 72076
- Recruiting
- UKT and MPI
-
Contact:
- Manfred Hallschmid, PhD
- Phone Number: +49 7071 29-8825
- Email: Manfred.Hallschmid@uni-tuebingen.de
-
Sub-Investigator:
- Maartje Spetter, PhD
-
Principal Investigator:
- Manfred Hallschmid, PhD
-
Sub-Investigator:
- Ralf Veit, PhD
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Healthy male and female subjects
- Age 18-65 years at start of the study
- Body Mass Index (BMI) between 25 and 40 kg/m2
- Informed consent to study protocol
- Willingness to be informed about chance findings of pathology and approval of the disclosure of this information to the general physician (see Informed Consent)
- Fulfilment of the criteria for blood donors according to the "Richtlinien zur Gewinnung von Blut und Blutbestandteilen und zur Anwendung von Blutprodukten", in particular Hb ≥ 135 g/l (8,37 mmol/l; Bundesärztekammer 2010)
Exclusion Criteria:
Subjects who have a non-removable metal object in or at their body, such as, for ex-ample:
- Heart pace-maker
- Artificial heart valve
- Metal prosthesis
- Metallic implants (screws, plates from operations, etc.)
- Metal splinters / grenade fragments
- Non-removable dental braces
- Acupuncture needles
- Insulin pump
- Intraport, etc.
- In field strengths of over 1.0 T also: tattoos, eye lid-shadow
- Current weight loss regimens
- Limited temperature perception and/or increased sensitivity to warming of the body
- Pathological hearing ability or an increased sensitivity to loud noises
- Claustrophobia
- Lack of ability to give informed consent
- Operation less than three month ago
- Simultaneous participation in other studies
- Acute illness or infection during the last 4 weeks
- Neurological disorder or injury
- Moderate or severe head injury
- Severe psychotic illness
- Intake of antidepressants / antipsychotics
- Participation in other studies with blood withdrawals or blood donation in previous and subsequent 2 months
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Single
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Neurofeedback
Neurofeedback training: Up-regulation of DLPFC.
|
Networks involved in eating behaviour can be modified by neurofeedback training.
We will perform a neurofeedback task using the technology of fMRI-based Brain Computer Interface (BCI).
BCI approaches based on real-time fMRI (rtfMRI) allow voluntary regulation of brain regions.
For the rtfMRI, a well-established setup will be used which translates the blood oxygen level dependent (BOLD) signal of a specific brain region of interest into a visual signal (e.g.
moving bar) in real time using brain voyager® and matlab.
The study will include 1 training-sessions In the up-regulation condition subjects will learn to up regulate their dlPFC.
In the sham-condition subjects are get the same instructions, however they will receive sham feedback.
Other Names:
|
Sham Comparator: Neurofeedback SHAM
Neurofeedback training: Sham-regulation of DLPFC.
|
Networks involved in eating behaviour can be modified by neurofeedback training.
We will perform a neurofeedback task using the technology of fMRI-based Brain Computer Interface (BCI).
BCI approaches based on real-time fMRI (rtfMRI) allow voluntary regulation of brain regions.
For the rtfMRI, a well-established setup will be used which translates the blood oxygen level dependent (BOLD) signal of a specific brain region of interest into a visual signal (e.g.
moving bar) in real time using brain voyager® and matlab.
The study will include 1 training-sessions In the up-regulation condition subjects will learn to up regulate their dlPFC.
In the sham-condition subjects are get the same instructions, however they will receive sham feedback.
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Activity in the dlPFC during the training-session
Time Frame: 1 day
|
Differences in dlPFC activity between baseline and after up-regulation during the neurofeedback training session, as well as the difference between the treatment and the sham groups (ANCOVA approach).
|
1 day
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Food intake
Time Frame: 4 weeks
|
Snack consumption during the snack test, comparing pre vs post neurofeedback session, and between the two groups (ANCOVA approach).
|
4 weeks
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Preferred food (healthy or unhealthy food).
Time Frame: 4 weeks
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Differences in food choice (healthy vs unhealthy) pre compared to post neurofeedback session and between the two groups (ANCOVA approach).
|
4 weeks
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Weight
Time Frame: 4 weeks
|
Difference in weight before and after training
|
4 weeks
|
Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Manfred Hallschmid, PhD, University Tuebingen
Publications and helpful links
General Publications
- Weiskopf N, Scharnowski F, Veit R, Goebel R, Birbaumer N, Mathiak K. Self-regulation of local brain activity using real-time functional magnetic resonance imaging (fMRI). J Physiol Paris. 2004 Jul-Nov;98(4-6):357-73. doi: 10.1016/j.jphysparis.2005.09.019. Epub 2005 Nov 10.
- Sitaram R, Caria A, Veit R, Gaber T, Rota G, Kuebler A, Birbaumer N. FMRI brain-computer interface: a tool for neuroscientific research and treatment. Comput Intell Neurosci. 2007;2007:25487. doi: 10.1155/2007/25487.
- Spetter MS, Malekshahi R, Birbaumer N, Luhrs M, van der Veer AH, Scheffler K, Spuckti S, Preissl H, Veit R, Hallschmid M. Volitional regulation of brain responses to food stimuli in overweight and obese subjects: A real-time fMRI feedback study. Appetite. 2017 May 1;112:188-195. doi: 10.1016/j.appet.2017.01.032. Epub 2017 Jan 25.
Helpful Links
Study record dates
Study Major Dates
Study Start
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Other Study ID Numbers
- 646/2013BO2
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
IPD Plan Description
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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