Exploring the Efficacy of Accelerated Transcranial Direct Current Stimulation (tDCS) as Adjunct to Pharmacotherapy in the Treatment of Obsessive-compulsive Disorder
Ориентир для пациента и семьи
Простыми словами
Автоматическая сводка по структурированным данным реестра. Она помогает сориентироваться, но не заменяет официальный протокол или оценку врача.
- Что изучают
- В протоколе указаны: high-definition transcranial direct current stimulation, Sham tDCS.
- Кому может быть актуально
- Состояния в реестре: Obsessive Compulsive Disorder (OCD). Базовые параметры: 18 лет — 60 лет · Все.
- Что важно проверить
- Возраст, диагноз и пол — только базовые ориентиры. Предыдущее лечение, анализы и другие обязательные условия указаны ниже в критериях участия.
- Где проводится
- Китай
- Следующий шаг
- Сохраните исследование, покажите его лечащему врачу и уточните актуальный статус у исследовательского центра. Расходы, документы и поездка →
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Официальное название
Exploring the Efficacy of Accelerated Transcranial Direct Current Stimulation (tDCS) as Adjunct to Pharmacotherapy in the Treatment of Obsessive-compulsive Disorder: A Randomized Controlled Trial Using High-resolution MRI
Обзор
This study will evaluate the decision-making ability and therapeutic effects of accelerated Transcranial Direct Current Stimulation (tDCS) as adjunct to pharmacotherapy in obsessive-compulsive disorder (OCD) patients, and the underlying neural mechanism by EEG and MRI.
Подробное описание
The purpose of this study is to examine the decision-making ability and clinical efficacy of accelerated tDCS over orbitofrontal cortex (OFC) as adjunct to pharmacotherapy in treatment of OCD patients.60 OCD patients on stable medication will be randomized into two groups (i.e. active or sham stimulation). Accelerated tDCS stimulation will be performed four times a day, five times a week, for one week. Iowa Gambling Task will be conducted at the baseline, after the one week tDCS and at the 1-month follow-up to evaluate the decision-making ability of OCD patients.The investigators will assess symptom severity before and after one week of tDCS. Through the study, Yale-Brown Obsessive Compulsive Scale(Y-BOCS), Clinical Global Impression(CGI), the Obsessive Compulsive Inventory-Revised (OCI-R), the Beck Depression Inventory-II (BDI-II), the Beck Anxiety Inventory (BAI), Childhood Trauma Questionnair(CTQ), side-effect questionnaire and other scales will be obtained by a trained investigator.The patients will also receive magnetic resonance imaging (MRI) scan, electroencephalography (EEG).
Вмешательства
- Устройство high-definition transcranial direct current stimulation
The tDCS device will deliver a direct current of 2mA 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) - Устройство Sham tDCS
To demonstrate the same stimulation sensation as under real conditions, only 40 seconds of real stimulation (2mA) are given at the beginning of the treatment. In the remaining 20 minutes, only about 15ms of short current pulses of 110uA occur every 550ms.
Первичные конечные точки
- Symptom improvement assessed by the Yale-Brown Obsessive Compulsive Scale(Y-BOCS) [Срок оценки: Up to 5 weeks]
Вторичные конечные точки (3)
- The Beck Depression Inventory-II(BDI-II) [Срок оценки: Up to 5 weeks]
- The Beck Anxiety Inventory (BAI) [Срок оценки: Up to 5 weeks]
- Side-effect questionnaire [Срок оценки: Up to 5 weeks]
Критерии участия
Критерии включения
- Age 18-60 years old, Han ethnicity, right-handed
- DSM-5 criteria for OCD;
- Y-BOCS total score ≥16, receiving stable medication for at least 4 weeks before tDCS stimulation.
- Years of education ≥9.
Критерии исключения
- Any axis I psychiatric disorder comorbidity
- Severe obsessive-compulsive symptoms that render the patient unable to complete required assessment procedures.
- Previous treatment with electroconvulsive therapy (ECT), repetitive transcranial magnetic stimulation (rTMS), or transcranial direct current stimulation (tDCS).
- Severe somatic diseases or any physical conditions that may induce epilepsy or intracranial hypertension, including cardiovascular and respiratory diseases, etc.
- History of neurological disorders (e.g., epilepsy, cerebrovascular accidents) or traumatic brain injury/brain surgery.
- Implantation of intracranial stents, cardiac pacemakers, coronary stents, cochlear implants, or other internal medical devices.
- Women who are pregnant or planning to become pregnant in the near future.
- Serious suicide risks.
Критерии приведены из реестра в оригинале (на английском). Окончательную оценку соответствия проводит исследовательский центр.
Здоровые добровольцы: Нет
Дизайн исследования
- Распределение
- Рандомизированное
- Модель
- Параллельные группы
- Маскирование
- Тройное слепое
- Основная цель
- Лечение
Центры проведения
Китай · 1 центр
- Shanghai Mental Health Center — Шанхай
Идентификаторы
NCT: NCT07115615 · SMHC-YG-OCD