No Placebo Group
Every participant receives an active treatment — no one gets a placebo.
Healthy Volunteers Welcome
You do not need to have the condition being studied to take part.
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Review the details below, then apply to join this clinical trial.
At a Glance
Age
18 – 65
Sex
Any
Study type
Interventional
Purpose
Treatment
Participants needed
120 (estimated)
Sponsor
Medical University of South Carolina · Other
Who this trial is looking for
This trial is looking for adults aged 18-65 with Major Depressive Disorder. Participants will undergo tests that measure brain activity and may take part in cognitive tasks and therapy sessions.
Are You a Good Fit for This Trial?
You may be able to join if
I am between 18 and 65 years old.
I have been diagnosed with Major Depressive Disorder.
I speak English.
I can provide informed consent.
I am willing and able to complete study procedures.
I have a negative pregnancy test if I can become pregnant.
You may not be able to join if
I have a history of psychiatric diagnosis.
I have neurological disorders or central nervous system disease.
I have a history of seizures or epilepsy.
I have had a significant head injury or loss of consciousness.
I have implanted metal or cannot undergo MRI or TMS.
I have a substance use disorder (excluding nicotine or caffeine).
I am currently in another interventional clinical trial.
I am pregnant or plan to become pregnant during the study.
Summarized in plain language from this trial's official eligibility criteria.
The full criteria are further down this page — only the research team can
confirm whether you qualify.
Think this trial could be right for you?
Answer three quick questions written from this study's own rules to see if you may qualify. No account needed to find out.
In this research study, investigators examine how brain activity changes during tests of emotional processing, attention, and memory using multimodal neuroimaging methods including electroencephalography (EEG), functional magnetic resonance imaging (fMRI), and functional near-infrared spectroscopy (fNIRS). Transcranial magnetic stimulation (TMS) is used to probe and modulate brain networks related…
In this research study, investigators examine how brain activity changes during tests of emotional processing, attention, and memory using multimodal neuroimaging methods including electroencephalography (EEG), functional magnetic resonance imaging (fMRI), and functional near-infrared spectroscopy (fNIRS). Transcranial magnetic stimulation (TMS) is used to probe and modulate brain networks related to cognitive flexibility and emotion regulation.
The study includes multiple related sub-studies involving healthy participants and participants with depression. Some study components focus on mechanistic modeling using non-therapeutic neurostimulation in healthy participants, while other components include interventional approaches such as individualized EEG-synchronized repetitive TMS (rTMS), cognitive tasks, and brief cognitive behavioral therapy (CBT) in participants with depression. Certain study components also evaluate CBT alone without TMS to assess behavioral intervention effects.
Trial Locations
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Status
Eligibility Criteria
Study 1 (Healthy Participants)
Inclusion Criteria:
* Age 18-65 years
* Medically and psychiatrically healthy with no history of psychiatric or neurological disorders
* English-speaking
* Capacity to provide informed consent
* Willingness and ability to complete study procedures
* Negative pregnanc…
Study 1 (Healthy Participants)
Inclusion Criteria:
* Age 18-65 years
* Medically and psychiatrically healthy with no history of psychiatric or neurological disorders
* English-speaking
* Capacity to provide informed consent
* Willingness and ability to complete study procedures
* Negative pregnancy test for participants of childbearing potential
Exclusion Criteria:
* Any current or past psychiatric diagnosis
* Neurological disorders or history of central nervous system disease
* History of seizure or epilepsy or use of medications that lower seizure threshold
* Significant head injury or loss of consciousness
* Implanted metal or contraindications to MRI or TMS
* Substance use disorder (excluding nicotine or caffeine)
* Pregnancy or plans to become pregnant during study participation
* Inability to complete study procedures
Studies 2, 3, and 4 (Participants With Depression)
Inclusion Criteria:
* Age 18-65 years
* Current diagnosis of Major Depressive Disorder (MDD)
* Depression severity consistent with study criteria (e.g., HAM-D ≥17)
* No history of psychotic or bipolar disorders
* English-speaking
* Capacity to provide informed consent
* Willingness and ability to complete study procedures
* Negative pregnancy test for participants of childbearing potential
Exclusion Criteria:
* Neurological disorders or history of central nervous system disease
* History of seizure or epilepsy or use of medications that lower seizure threshold
* Significant head injury or loss of consciousness
* Implanted metal or contraindications to MRI or TMS
* Substance use disorder (excluding nicotine or caffeine)
* Current participation in another interventional clinical trial
* Pregnancy or plans to become pregnant during study participation
* Any condition that would interfere with safe participation or completion of study procedures
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