Quantitative Electroencephalogram (QEEG) Predictors of Response to Psychotherapy Versus Antidepressant Treatment in Depression
| Status: | Completed |
|---|---|
| Conditions: | Depression, Major Depression Disorder (MDD) |
| Therapuetic Areas: | Psychiatry / Psychology, Pulmonary / Respiratory Diseases |
| Healthy: | No |
| Age Range: | 18 - 75 |
| Updated: | 1/7/2018 |
| Start Date: | July 2008 |
| End Date: | March 2011 |
QEEG Predictors of Response for Psychotherapy Compared to Pharmacotherapy in Depression
The purpose of this research study is to find out if a test can predict whether someone with
depression will get better with treatment. We also want to find out whether there are changes
in the brains of depressed patients having different types of treatment (drug therapy vs.
talk therapy). We hope that a test called QEEG (Quantitative Electroencephalogram) can tell
us if a treatment is going to work, even before the person starts to feel better.
Hypothesis 1: Response to treatment will correlate with changes in QEEG metrics.
Hypothesis 2: QEEG parameters, different from those that predict response to pharmacotherapy,
will be associated with response to CBT.
depression will get better with treatment. We also want to find out whether there are changes
in the brains of depressed patients having different types of treatment (drug therapy vs.
talk therapy). We hope that a test called QEEG (Quantitative Electroencephalogram) can tell
us if a treatment is going to work, even before the person starts to feel better.
Hypothesis 1: Response to treatment will correlate with changes in QEEG metrics.
Hypothesis 2: QEEG parameters, different from those that predict response to pharmacotherapy,
will be associated with response to CBT.
To our knowledge, QEEG has not been studied in the prediction of response to CBT, an
important and widely used non-pharmacologic approach to treating depression. Establishing
QEEG technology as a predictor of response to CBT could help to guide treatment selection for
individual patients. It is probable that certain patient populations are more likely to
respond to either psychotherapeutic or psychopharmacological interventions, while others may
benefit from a combination of treatment modalities. This study will provide preliminary
information about the utility of QEEG as a predictor of response in psychotherapy and will
furnish the knowledge base of QEEG changes related to clinical variables, providing pilot
data for a study in a larger sample. We have hypothesized that clinical response will
correlate with changes in QEEG metrics from beginning to two weeks after treatment, and that
QEEG parameters, different from those that predict response to pharmacotherapy, will be
associated with response to CBT.
important and widely used non-pharmacologic approach to treating depression. Establishing
QEEG technology as a predictor of response to CBT could help to guide treatment selection for
individual patients. It is probable that certain patient populations are more likely to
respond to either psychotherapeutic or psychopharmacological interventions, while others may
benefit from a combination of treatment modalities. This study will provide preliminary
information about the utility of QEEG as a predictor of response in psychotherapy and will
furnish the knowledge base of QEEG changes related to clinical variables, providing pilot
data for a study in a larger sample. We have hypothesized that clinical response will
correlate with changes in QEEG metrics from beginning to two weeks after treatment, and that
QEEG parameters, different from those that predict response to pharmacotherapy, will be
associated with response to CBT.
Inclusion Criteria:
- Subjects will be adults, ages 18 to 75 years.
- Written informed consent
- MDD, current according to the fourth version of the Diagnostic and Statistical Manual
for Mental Disorders (DSM-IV)
- 17-item Hamilton Depression Rating Scale (HAM-D-17) score of > 14 at baseline.
- Subjects who are not currently taking any antidepressant or other psychotropic
medications and who have been free of these medications for 4 weeks prior to screening
visit.
Exclusion Criteria:
- Women who are pregnant, lactating, or planning a pregnancy during the study.
- Women of child bearing potential who are not using a medically accepted means of
contraception (to include oral contraceptive or implant, condom, diaphragm,
spermicide, intrauterine device, tubal ligation, or a partner with vasectomy).
- Any uncontrolled psychiatric disorder.
- Current use of psychotropic medications.
- Psychotic features in the current episode or a history of psychotic features.
- Alcohol or substance abuse or dependence within the past three months.
- History of head trauma or seizure disorder.
- History of intolerance of the study medication.
- Failure to respond to escitalopram up to 20 mg for at least 6 weeks.
- Failure to respond to 2 or more adequate antidepressant trials (6 weeks or longer on a
therapeutic dose, equivalent to fluoxetine 40mg) in the current episode.
- Currently enrolled in other depression-focused psychotherapy and unwilling to cease
treatment.
- Subjects who, per clinical judgment, are not appropriate candidates for CBT or SSRIs.
- History or current diagnosis of the following DSM-IV psychiatric illness: organic
mental disorder, schizophrenia, schizoaffective disorder, delusional disorder,
psychotic disorders not otherwise specified, bipolar disorder, patients with mood
congruent or mood incongruent psychotic features, patients with substance dependence
disorders, including alcohol, active within the last 3 months.
- Serious suicide or homicide risk, as assessed by the evaluating clinician or a score
of 4 on the third item of the HAM-D.
- Serious or unstable medical illness, including cardiovascular, hepatic, renal,
respiratory, endocrine, neurologic or hematologic disease
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