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Clinical Trial Details — Status: Terminated

Administrative data

NCT number NCT04078438
Other study ID # YUH-14-0389-B4
Secondary ID
Status Terminated
Phase N/A
First received
Last updated
Start date June 27, 2014
Est. completion date February 8, 2020

Study information

Verified date June 2020
Source Yeungnam University Hospital
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The investigators evaluate the effects of neurofeedback as an augmentation treatment on depressive symptoms and functional recovery in patients with treatment-resistant depression (TRD).

TRD patients are assigned to the neurofeedback augmentation group and the medication-only (treatment as usual, TAU) group. The neurofeedback augmentation group underwent combined therapy comprising medication and 12-24 sessions of neurofeedback training for 12 weeks. To assess the serum levels of brain-derived neurotrophic factor (BDNF) in both groups, a pre- and post-treatment blood samples are obtained. Patients are evaluated using the Hamilton Depression Rating Scale (HAM-D), Beck Depression Inventory (BDI), Clinical Global Impression-Severity (CGI-S), 5-level version of European Quality of Life Questionnaire 5-Dimensional Classification (EQ-5D-5L), and Sheehan Disability Scale (SDS) at baseline, and at the 1-, 4-, and 12-week.


Description:

Major depressive disorder (MDD) is a severely disabling disorder resulting in the deterioration of daily function and lowering quality of life. The lifetime prevalence of depression is 10-15%, and the annual prevalence of MDD in the United States is approximately 7%. The World Health Organization has reported that MDD is expected to be the top disease in terms of global burden by 2030. Fifty percent of patients with depressive disorder have a chronic disease course, and 20% of such patients have insufficient responses to treatment despite the use of antidepressant medication. In addition, although antidepressants have been shown to be effective, residual symptoms may continue by stopping the medication early due to inconvenient side effects of the medication. Sixty percent of patients with depressive disorder have poorer executive function. Patients with depressive disorder are continuously affected by deficits in social functioning, such as interpersonal relationships and job adaptation, even if some of their symptoms are improved by medication. Therefore, various additional treatments other than antidepressant treatment have been tried to improve residual depressive symptoms and the remission rate.

Brain waves have been used to measure brain activity and previous studies have reported that different brain waves reflect different brain states, including moods. Neurofeedback is a type of electroencephalography (EEG) training that allows individuals to change the levels of particular types of brain waves displayed on a computer by operational conditioning. EEG studies showed that the neurofeedback is capable of generating long term changes in the spectral EEG topography, while neuroimaging studies represented the neuroplastic effects from neurofeedback treatment. Neurofeedback is an alternative approach that aims to help individuals alter brain activation without introducing electrical or magnetic activity, or pharmacological compounds into the brain, hence preventing the brain from becoming dependent on outside influences for better functioning. It is noninvasive method and there's no report of even minor side effects.

Neurofeedback may be considered a new augmentation treatment for patients with treatment-resistant depression (TRD), even after the use of antidepressants. Some studies have reported improvements in both depressive symptoms and executive function following neurofeedback treatment. A recent article insisted that neurofeedback treatment for depression as having "revealed promising effects in recent clinical trials". However, most such studies have been case reports or uncontrolled studies, and the mechanism underlying the treatment effects of neurofeedback are still unclear. In addition, there has been no study of neurofeedback on depressive symptoms and functional recovery in patients with TRD.

Brain-derived neurotrophic factor (BDNF) acts on certain neurons of the central nervous system and the peripheral nervous system. It helps support the survival of existing neurons and encourages the growth and differentiation of new neurons and synapses. Previous studies have suggested the presence of an etiological link between the development of depression and BDNF. However, no studies have examined the association between neurofeedback and changes in BDNF level.

The purpose of this pilot study was to evaluate the effects of neurofeedback as an augmentation treatment on depressive symptoms and functional recovery in patients with TRD. The investigators also aimed to identify the usefulness of BDNF as a biomarker for neurofeedback by examining changes in the BDNF level before vs. after treatment in the neurofeedback treatment and medication-only (treatment as usual, TAU) groups.


Recruitment information / eligibility

Status Terminated
Enrollment 70
Est. completion date February 8, 2020
Est. primary completion date December 27, 2019
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria:

- Diagosis with MDD according to the DSM-IV-TR criteria for MDD, and especially treatment-resistant MDD (Hamilton Rating Scale for Depression [HAM-D] score ?14) despite adequate antidepressant therapy)

Exclusion Criteria:

- Psychosis

- Bipolar disorder

- Brain injury

- Clinically diagnosed neurological disorder

- Convulsive disorder

- Pregnancy

Study Design


Related Conditions & MeSH terms


Intervention

Device:
neurofeedback augmentation
Neurofeedback training was performed using a Neurocybernetics EEG Biofeedback system (Neurocybernetics Inc., Encino, CA, USA). The neurofeedback protocol was determined by the neurofeedback team, which included 3 psychiatrists, in consideration of the patient's main symptoms. The neurofeedback augmentation group was asked to participate in 12 weeks of combined therapy of medication and 12-24 sessions of neurofeedback training. Patients in the neurofeedback augmentation group received sensorimotor rhythm (SMR) beta or beta training for 30 minutes, and then alpha/theta (A/T) training for 30 minutes in each session. To reduce the impact of confounding factors, the medication-only (treatment as usual, TAU) group visited at the same schedule as neurofeedback augmentation group and received psychotherapy placebo sessions. The medication-only (treatment as usual, TAU) group maintained the same medication use as that before the study.
Drug:
treatment as usual
The neurofeedback augmentation group and the medication-only group maintained the same medication use as that before the study.
Other:
psychotherapy placebo sessions
To reduce the impact of confounding factors, the medication-only (treatment as usual, TAU) group visited at the same schedule as neurofeedback augmentation group and received psychotherapy placebo sessions instead of neurofeedback training sessions. These sessions included psychological assessment and supportive psychotherapy.

Locations

Country Name City State
Korea, Republic of Yeungnam University Hospital Daegu

Sponsors (1)

Lead Sponsor Collaborator
Yeungnam University Hospital

Country where clinical trial is conducted

Korea, Republic of, 

Outcome

Type Measure Description Time frame Safety issue
Primary Changes in Hamilton Rating Scale for Depression [HAM-D] score at baselline and the 1-, 4-, and 12-week time points The HAM-D is an observer rating scale and 1 of the most widely used measures of depressive disorder. This scale composed of 17 items, and it has been used to assess the therapeutic effect as well as the severity of depression. Total score is 52, where higher scores indicating more severe depression. Hamilton considered Total score of 8-13 mild range, 14-18 moderate, 18-22 severe, and 23 or higher very severe. at baseline, and at the 1-, 4-, and 12-week time points.
Secondary Changes in Beck Depression Inventory- II (BDI-II) scores at baselline and the 1-, 4-, and 12-week time points The BDI is self-report scale designed to evaluate the presence and severity of depressive symptoms. It is consisted of 21 items including cognitive, emotional, motivative, and physical symptoms of depression. Each question is scored from 0 to 3 points, and the total score ranges from 0 to 63, indicating the higher the total scores, the more severe the depression. It is considered total score of 0-9 minimal range, 10-15 mild, 16-23 moderate, and 24-63 severe. at baseline, and at the 1-, 4-, and 12-week time points.
Secondary Changes in Sheehan Disability Scale (SDS) score at baselline and the 1-, 4-, and 12-week time points The SDS is a self-report scale designed by Sheehan to assess the severity of functional impairment. This scale consists of 3 items, and each item is divided into 11 levels from 0 to 10 points. It is considered 0 point: none, 1-3 points: mild, 4-6 points: moderate, and 7-10 points: severe. Total score ranges from 0 to 30 and means that the higher the total scores, the more severe the functional impairment. at baseline, and at the 1-, 4-, and 12-week time points.
Secondary Changes in Clinical Global Impression-Severity (CGI-S) at baselline and the 1-, 4-, and 12-week time points The CGI-S is a single-item scale composed of 7 levels ranging from maximum score of 7 to normal state of 1. This scale is a measure by which the evaluator comprehensively assesses the severity of mental illness regardless of diagnosis. at baseline, and at the 1-, 4-, and 12-week time points.
Secondary Comparisons of serum brain-derived neurotrophic factor (BDNF) level between baseline and the 12-week time point among groups Brain-derived neurotrophic factor (BDNF) acts on certain neurons of the central nervous system and the peripheral nervous system. It helps support the survival of existing neurons and encourages the growth and differentiation of new neurons and synapses. Previous studies have suggested the presence of an etiological link between the development of depression and BDNF. at baseline, and 12-week time points.
Secondary Type and number of adverse events adverse events through study completion, an average of 12 weeks
Secondary Changes in valuation of 5 level version of European Quality of Life Questionnaire 5-Dimensional Classification (EQ-5D-5L) (converted tariff score) The EQ-5D-5L was developed by the EuroQol Group, and is used to assess 5 dimensions: mobility, self care, usual activity, pain/discomfort, and anxiety/depression. Each dimension is consisted of 5 levels, so total 3125 health states can be evaluated. The valuation of EQ-5D-5L (converted tariff score) is an index score calculated by applying weight to each of the 5 EQ-5D-5L questionnaires to provide a comprehensive summary of health-related quality of life. The resulting set of tariff is widely used to calculate preferences for EQ-5D-5L health states. As EQ-5D-5L is translated according to the culture and situation of each country, EQ-5D-5L tariffs may differ at each country. The index score is valued from 0 to 1, and the higher scores indicate the higher quality of life for the patients. In this study, EQ-5D-5L tariffs (index values) were calculated according to the [The EQ-5D-5L valuation study in Korea.]. at baseline, and at the 1-, 4-, and 12-week time points.
Secondary Changes in response and remission rate of Hamilton Rating Scale for Depression [HAM-D] score Remission was defined as achieving a HAM-D score below 7, and response was defined as a 50% or greater reduction in HAM-D score from baseline. at baseline, and at the 1-, 4-, and 12-week time points.
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