Exploring Biomarkers for Depression

Status Completed

Clinical Trial Summary

The purpose of this research is to explore objective biomarkers in voice, physiological, motor, and brain imaging signals that may one day be used to complement clinical evaluation and treatment of depression.

Clinical Trial Description

The hypothesis for our work is that dynamical fluctuations of biological signals, such as, voice, video, pulse rate, oxygen saturation, skin temperature, skin conductivity, motor response, magnetoencephalography (MEG), and electroencephalography (EEG), are less complex during depressive than normal phases. There is a great need for objective biomarkers that may complement current clinical measures to help recognize depression, monitor its severity, and quantify the effect of interventions and recovery.

Data will be collected from 20 adult participants seeking outpatient treatment for depression at the Depression and Clinical Research Program at Massachusetts General Hospital (MGH), each participating for a total of approximately 9 weeks. For correlation of findings, data will also be collected from 20 subjects who take part in the healthy/control group. The healthy/control group will participate in a more limited study visit schedule over the course of 9 weeks, and will not be given any treatment. During study visits, the investigators will conduct recordings of voice, video, pulse rate, oxygen saturation, body temperature, skin conductivity, and motor movement at the Department of Psychiatry at MGH. In addition, each subject may participate in MEG, EEG, and Magnetic Resonance Imaging (MRI) brain imaging sessions at the Athinoula A. Martinos Center for Biomedical Engineering.

In order to collect relevant data and correlate findings with accepted clinical measures of depression severity and response to treatment, this study is conducted as a follow-up study in concert with a typical drug treatment protocol for Major Depressive Disorder (MDD). Specifically, our measurements will be made in conjunction with a standard of care drug treatment protocol using the antidepressant medication escitalopram, an FDA-approved selective serotonin re-uptake inhibitor (SSRI) commonly used to treat depression. The data will be collected over a period of approximately 9 weeks. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT01424111
Study type	Observational
Source	Wyss Institute at Harvard University
Contact
Status	Completed
Phase
Start date	August 2011
Completion date	October 14, 2017

View Details

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.