Treatment of Depression With Connectivity Guided Robotically Delivered

Status Terminated

Clinical Trial Summary

The purpose of this study is to determine the clinical effects (if any) of connectivity-guided repetitive transcranial magnetic stimulation (rTMS) in the treatment of major depressive disorder (MDD) to provide clues about the ideal neural networks to target for more robust clinical outcomes, and to identify potential biomarkers of treatment response including changes in brain network connectivity.

Clinical Trial Description

The investigators propose a randomized, double-blind, 4-week trial of TMS to the left dorsolateral prefrontal cortex (DLPFC) for subjects with MDD all of whom at the patient's treatment clinic are concurrently receiving pharmaceutical and psychotherapeutic interventions. Arm 1 delivers active rTMS to the left DLPFC using the standard aiming strategy. Arm 2 delivers active rTMS to the left anterior DLPFC using connectivity-based, image-guided aiming. Arm 3 delivers active rTMS to the left posterior DLPFC using connectivity-based, image-guided aiming. In all three arms, rTMS is administered in an image-guided, robotically-positioned TMS (irTMS) manner to ensure therapist blinding and equivalent subject experiences across arms. In all three arms, the following stimulation protocol will be used: 10 Hz irTMS delivered in 4 sec trains with 26 sec inter-train intervals, 37.5 minutes/session (i.e. 3,000 pulses/session), 5 sessions/week, for 4 weeks. Neuroimaging will be used both for treatment planning and to characterize any TMS-induced network plasticity using resting-state functional magnetic resonance imaging (rs-fMRI) at week 4 of each treatment arm. Clinical assessments will be administered weekly throughout treatment (weeks 1-4) at the patient's treatment clinic. Additional psychological tests will be performed at UT Health-San Antonio's Research Imaging Institute (RII) at the baseline and post-treatment visits in order to track patient progress. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT02802293
Study type	Interventional
Source	The University of Texas Health Science Center at San Antonio
Contact
Status	Terminated
Phase	N/A
Start date	August 17, 2017
Completion date	March 23, 2021

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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.

Treatment of Depression With Connectivity Guided Robotically Delivered rTMS

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms