- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01793766
Non-invasive Brain Modulation for Weight Maintenance
October 27, 2016 updated by: Takara Stanley, M.D., Massachusetts General Hospital
Neurobehavioral Contribution to Weight Loss Maintenance: an Interdisciplinary Experimental Study With Noninvasive Brain Modulation
This is a study of overweight men and women.
Everybody will receive a very low calorie diet to eat in place of meals for 10 weeks.
During the last two weeks of the diet, half of the patients will receive an intervention to activate parts of their brain that can help them eat less.
The other half of the patient will receive a placebo or sham intervention.
The intervention will involve a small electric current given every day for 10 days.
Everybody will be monitored for 16 more weeks (total of 26 weeks) while on a weight maintenance diet to see if the intervention helps people keep the weight off.
Study Overview
Status
Terminated
Conditions
Intervention / Treatment
Study Type
Interventional
Enrollment (Actual)
13
Phase
- Phase 1
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
-
-
Massachusetts
-
Boston, Massachusetts, United States, 02114
- Massachusetts General Hospital
-
-
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
20 years to 55 years (Adult)
Accepts Healthy Volunteers
No
Genders Eligible for Study
All
Description
Inclusion Criteria:
- Men and women age 20-55 years old
- BMI 30-50 kg/m2
- Willing to undergo 10 week supervised VLCD
Exclusion Criteria:
- Obesity due to a known secondary cause (Cushing's syndrome, hypothyroidism, etc) or a history of weight loss surgery
- Subjects who have a known history of diabetes, fasting blood sugar >125 mg/dl or using any anti-diabetic drugs
- Changes in lipid lowering or anti-hypertensive regimen within 3 months of screening
- Hemoglobin <10 g/dL, Creatinine >1.5 mg/dL
- QT interval >440 ms on EKG
- Subjects with unstable psychiatric conditions as assessed by a psychologist
- Allergy or intolerance to components of the mixed meal challenge
Additional contraindications to receive transcranial direct current stimulation (tDCS):
- Personal or family history of seizures, epilepsy or other unexplained loss of consciousness.
- Current or past history of skin disease or damaged skin on the scalp at the site of stimulation (i.e. eczema, skin with ingrown hairs, acne, razor nicks, wounds that have not healed, recent scar tissue, broken skin, etc.).
- Prior neurosurgical procedure or radiation treatment to the brain.
- Known diagnosis of brain lesions, such as tumor, stroke or multiple sclerosis
- Implanted pacemaker, medication pump, vagal stimulator, deep brain stimulator, TENS unit, ventriculoperitoneal shunt or any metallic implant on the head.
(Note: Intake of centrally acting medications will be allowed, as there is no evidence that any medication can increase the risk of adverse effects during tDCS.)
- Subject is currently enrolled in another investigational device or drug trial(s), or subject has received other investigational agent(s) within 28 days of baseline visit
- Any condition judged by the patient's physician to cause this clinical trial to be detrimental to the patient
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
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Double
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Brain modulation
10 sessions of brain modulation with Eldith/Neuroconn transcranial Direct Current Stimulation device
|
Brain modulation using Eldith/Neuroconn transcranial Direct Current Stimulation device
|
Placebo Comparator: Placebo (sham modulation)
10 placebo sessions where no brain modulation takes place
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change in weight from week 11 to 26
Time Frame: Week 11 to 26
|
Patients will be placed on a very low calorie diet from baseline to week 11.
The primary end point is the maintenance of weight loss from week 11 to week 26 after the very low calorie diet is stopped.
|
Week 11 to 26
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change in appetite hormones on mixed meal challenge test
Time Frame: Week 0 to 8, 11 and 26
|
Appetite hormones such as ghrelin change in response to nutrition.
Dieting increases ghrelin and decreases other appetite hormones.
We will assess if the brain modulation intervention will prevent the dieting induced increase in ghrelin and changes in other appetite hormones.
|
Week 0 to 8, 11 and 26
|
Change in appetite
Time Frame: Week 0 to 8, 11, 18 and 26
|
Degree of hunger (or satiety) can be assessed by use of visual analog scale and monitoring food intake diaries and questionnaires.
We will assess if the brain modulation intervention can prevent the diet induced increases in appetite using the visual analog scale, food diary and questionnaires.
|
Week 0 to 8, 11, 18 and 26
|
Change in body composition
Time Frame: Week 0 to 8 and 26
|
Weight loss can affect both fat mass and muscle (lean) mass.
We will assess if the weight loss by low-calorie diet and weight maintenane facilitated by brain modulation will preferentially affect fat mass or lean mass by use of dual energy X-ray absorptiometry.
|
Week 0 to 8 and 26
|
Change in metabolic parameters
Time Frame: Week 0 to 8, 11, 18, 26
|
Weight loss and successful weight loss maintenance can improve insulin resistance (risk for diabetes mellitus) and cholesterol profile.
We will assess the changes in risk for diabetes and cholesterol from the low-calorie diet and brai modulation mediated weight maintenance.
|
Week 0 to 8, 11, 18, 26
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Investigators
- Principal Investigator: Takara Stanley, MD, Massachusetts General Hospital
- Principal Investigator: Miguel Alonso-Alonso, MD, Beth Israel Deaconess Medical Center
- Principal Investigator: Winfield S. Butsch, MD, Massachusetts General Hospital
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
May 1, 2013
Primary Completion (Actual)
June 1, 2015
Study Completion (Actual)
June 1, 2015
Study Registration Dates
First Submitted
February 8, 2013
First Submitted That Met QC Criteria
February 14, 2013
First Posted (Estimate)
February 18, 2013
Study Record Updates
Last Update Posted (Estimate)
October 31, 2016
Last Update Submitted That Met QC Criteria
October 27, 2016
Last Verified
October 1, 2016
More Information
Terms related to this study
Other Study ID Numbers
- 2013-P-000191
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
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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