- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04086446
Transcranial Direct Current Stimulation (tDCS) in the Treatment of Drug-naïve Obsessive-compulsive Disorder(OCD)
September 7, 2022 updated by: Zhen Wang, Shanghai Mental Health Center
A Randomized Clinical Trial of Transcranial Direct Current Stimulation(tDCS) Treatment for Drug-naïve Obsessive-Compulsive Disorder(OCD)
This study will evaluate the possible therapeutic effects of Transcranial Direct Current Stimulation (tDCS) in drug-naïve obsessive-compulsive disorder (OCD) patients, and the underlying neural mechanism by magnetic resonance imaging (MRI),transcranial magnetic stimulation and electroencephalography (TMS-EEG).
Study Overview
Status
Recruiting
Conditions
Intervention / Treatment
Detailed Description
The purpose of this study is to examine the efficacy of tDCS over orbitofrontal cortex (OFC) in treatment of drug-naïve OCD patients.
60 drug-naïve OCD patients will be randomized into two groups (i.e.
active or sham stimulation).
tDCS stimulation will be performed once a day, five times a week, for two weeks.
The investigators will assess symptom severity before and after two weeks of tDCS.
Through the study, Yale-Brown Obsessive Compulsive Scale(Y-BOCS), the Obsessive Compulsive Inventory-Revised (OCI-R), the Beck Depression Inventory (BDI), the Beck Anxiety Inventory (BAI), Perceived Stress Scale (PSS), Pittsburgh sleep quality index (PSQI)and side-effect questionnaire will be obtained by a trained investigator.
The patients will also receive MRI scan and TMS-EEG.
Study Type
Interventional
Enrollment (Anticipated)
60
Phase
- Not Applicable
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
-
-
Shanghai
-
Shanghai, Shanghai, China, 200030
- Recruiting
- Shanghai Mental Health Center
-
-
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
18 years to 50 years (Adult)
Accepts Healthy Volunteers
No
Genders Eligible for Study
All
Description
Inclusion Criteria:
- age: 18-50 years old;
- DSM-5 criteria for OCD;
- Y-BOCS total score > or = 16, discontinued medication for at least 8 weeks before tDCS stimulation.
- >or=9 years education
Exclusion Criteria:
- Any axis I psychiatric disorder comorbidity
- The inability to receive tDCS because of metallic implants, or history of seizures,or 3.history of head injury, or history of neurosurgery.
- Participants with claustrophobic, heart pacemaker, mechanical heart valve, mechanical implant such as an aneurysm clip, hip replacement, or any other pieces of metal that have accidentally entered their body.
- Any current significant medical condition.
- serious suicide risk
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
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Triple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Active Comparator: active tDCS
Cathode transcranial direct current stimulation over the right OFC will be applied once a day, 5 days a week, for 2 weeks.
|
The tDCS device will deliver a direct current of 1.5mA during 20 minutes.
Cathode electrode will be localized in front of the right OFC on the Fp2 point according to the EEG international reference.
Four anode electrodes will be placed around FP2 (i.e.
Fpz, AFz, AF4, AF8)
|
Sham Comparator: sham tDCS
The sham transcranial direct current stimulation over the right OFC will be applied once a day, 5 days a week, for 2 weeks.
|
The same procedure will be applied except that the tDCS device will only deliver a current stimulation for the first and last 15 seconds.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change in Yale-Brown Obsessive Compulsive Scale(Y-BOCS) score
Time Frame: Up to 3 months
|
It assesses the severity of OCD symptoms.
The Y-BOCS scale ranges from 0 to 40, with 0 being no symptoms and 40 being severe.The responder on Y-BOCS is defined as a Y-BOCS decrease at least 35% from the baseline at post-treatment.
|
Up to 3 months
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change in Obsessive Compulsive Inventory-Revised(OCI-R)
Time Frame: Up to 3 months
|
It is an inventory of OCD symptoms with 18 items that are rated on a 5-point Likert scale.
Total scores range from 0 to 72, with higher scores indicating more severe OCD symptoms.
|
Up to 3 months
|
Change in Beck Depression Inventory(BDI)
Time Frame: Up to 3 months
|
It consists of 21 items and uses a 0 to 3 severity scale.
Total scores range from 0 to 63, with higher scores indicating more severe depression symptoms.
|
Up to 3 months
|
Change in Beck Anxiety Inventory (BAI)
Time Frame: Up to 3 months
|
It is an inventory of anxiety symptoms with 18 items that are rated on a 5-point Likert scale(0 to 4).
Total scores range from 0 to 72, with higher scores indicating more severe anxiety symptoms.
|
Up to 3 months
|
Change in Perceived Stress Scale(PSS)
Time Frame: Up to 3 months
|
It is a 10-item, 5-point Likert scale(0 to 4) to measure the degree to which situations in one's life are appraised as stressful.The total score ranges from 0 to 40, with lower total scores representing a better outcome.
|
Up to 3 months
|
Change in Pittsburgh sleep quality index(PSQI)
Time Frame: Up to 3 months
|
The Pittsburgh Sleep Quality Index (PSQI) contains 19 self-rated questions which measures seven aspects of sleep: (1) subjective sleep quality, (2) sleep latency, (3) sleep duration, (4) habitual sleep efficiency, (5) sleep disturbances, (6) use of sleeping medication, and (7) daytime dysfunction.
The 19 self-rated items are combined to form seven component scores, each of which has a range of 0-3 points (0 indicates no difficulty, while 3 indicates severe difficulty).
The seven component scores are then summed to yield one global score, with a range of 0-21 points (0 indicating no difficulty, and 21 indicating severe difficulties in all the seven areas of sleep quality).
|
Up to 3 months
|
Change in Side-effect questionnaire
Time Frame: Up to 3 months
|
It consists of 10-item and uses 0 to 3 severity scale to rate the intensity of side effects.
Total scores range from 0 to 30, with higher scores indicating more severe side-effect.
It also assesses the relation between side-effect and the effects of tDCS using 0 to 4 scale.
Total scores range from 0 to 40, with higher score indicating the greater relation.
|
Up to 3 months
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
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 (Actual)
November 5, 2019
Primary Completion (Anticipated)
August 30, 2022
Study Completion (Anticipated)
December 30, 2022
Study Registration Dates
First Submitted
September 8, 2019
First Submitted That Met QC Criteria
September 10, 2019
First Posted (Actual)
September 11, 2019
Study Record Updates
Last Update Posted (Actual)
September 9, 2022
Last Update Submitted That Met QC Criteria
September 7, 2022
Last Verified
September 1, 2022
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- SMHC-OCD-004
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
No
Studies a U.S. FDA-regulated device product
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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