DBS in Treatment Resistant Major Depression
Resistant Major Depressive Disorder
About this trial
This is an interventional treatment trial for Resistant Major Depressive Disorder focused on measuring MDD, DBS
Eligibility Criteria
Inclusion Criteria:
- Patients of both sexes aged between 18 and 70 years.
- Patients diagnosed as having an MDD episode according to DSM-IV-TR criteria, resistant to pharmacological treatment with a score of 4 in the Thase-Rush index, with ECT contraindicated or having failed to produce a maintained response.
- Patients with a HRSD-17 score of 18 or more.
- Patients with an intellectual capacity that facilitates adequate communication and who are willing to cooperate with all the examinations and protocols of the study.
- Patients who have not modified their antidepressant treatment in the month prior to the study.
- Women of childbearing age using medically approved contraceptive methods.
- Patients who have granted their informed consent in writing.
Exclusion Criteria:
- Female patients who are pregnant or breastfeeding.
- Patients with acute, serious or unstable illnesses.
- Patients experiencing delirium or hallucinations, congruent or otherwise with their mood.
- Patients with a history of substance abuse (other than tobacco or caffeine).
- Patients with concomitant psychiatric disorders from axes I or II of DSM IV-TR.
h)Patients with general contraindications for DBS (pacemaker users, etc).
Sites / Locations
- Hospital Santa Creu i Sant Pau
Arms of the Study
Arm 1
Arm 2
Active Comparator
Placebo Comparator
stimulation on
Stimulation off
At first stage, electrodes will be implanted in all patients, who will be continuously stimulated for several months. After this stage, the random-crossed part of the study will start, and patients who responded to DBS will be randomly distributed in two groups: on stimulation or off stimulation group, for the next three months. Subsequently, patients will be allocated in the other group (on or off, crossed part) for three months
At first stage, electrodes will be implanted in all patients, who will be continuously stimulated for several months. After this stage, the random-crossed part of the study will start, and patients who responded to DBS will be randomly distributed in two groups: on stimulation or off stimulation group, for the next three months. Subsequently, patients will be allocated in the other group (on or off, crossed part) for three months