In the present study the investigators want to evaluate if the application of rTMS can reduce the anxiety and craving in patients with obesity helping them to follow a low carb-diet, as well as, to assess the changes in weight, body mass index and quality of life before and after rTMS or sham rTMS.
Participants completed a written, informed consent and rTMS adult safety questionnaire. The inclusion criteria are: individuals between 25 and 60 years of age with obesity in stage 1, 2 or 3. The exclusion criteria were: subjects with metabolic disorders, neurological condition, epilepsy, or pregnancy. The study conformed to the Declaration of Helsinki and was approved by the Institutional Medical Research Ethics Committee (Hospital Ajusco Medio, Mexico DF). The protocol will be applied as follows: 10 rTMS or sham sessions during two weeks. Following these two week, patients will receive 8 more sessions on weeks 4, 6, 8, 10, 12, 16, 20 and 24. Diet will be indicated during all the protocol. The sham group will receive sham rTMS sessions for two weeks, the additional sessions will be performed in the same manner thar in rTMS group.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
49
Patients will be stimulated in the dorso lateral frontal cortex. First, the motor threshold will be determined for each patient. To induce currents to the left primary sensory-motor cortex hand area (M1/S1) the coil will be placed over the scalp oriented at 45 ° from the mid-sagittal plane while subjects will sit comfortably on a chair. The coil will be systematically moved in this area until a contraction of the abductor will be identified. Motor evoked potentials (MEPs). MEPs will be registered with surface electrodes on the left hand abductor pollicis muscle using the same Magstim equipment. Then the parameters will be adjusted for the stimulation as was described before.
As well as the rTMS group, the motor threshold of each patient will be determined. They will experience a similar rTMS session with the difference that they not will be stimulated.
Hospital General Ajusco Medio
México, Tlalpan, Mexico
Obesity, changes in the body mass index
Obesity is a body mass index greater than or equal to 30.
Time frame: 7 days
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This intervention will be applied to both groups, rTMS and sham group, as a combined therapy. The diet is low in carbohydrates, like sugary foods, pasta and bread. Instead, patients eat food with protein, natural fats and vegetables.