N/A
N=50
Effect of TMS on PTSD Biomarkers
Post Traumatic Stress Disorder
Bottom Line
View on ClinicalTrials.gov: NCT04563078 ↗Enrolled (actual)
50
Serious AEs
0.0%
Results posted
Jun 2026
Primary outcome: Primary: Change in Amygdala Reactivity During Fear Processing Pre- to Post-treatment — 0.219; 0.188; 0.166; 0.138 BOLD signal
Study Design & Population
- Study type
- Interventional
- Phase
- N/A
- Interventions
- Transcranial Magnetic Stimulation (TMS) (Device); Sham Transcranial Magnetic Stimulation (TMS) (Procedure)
- Age
- Adult, Older Adult · 18+ yrs
- Sex
- All
- Sponsor
- Emory University
- Primary completion
- Mar 2025
Outcome Measures
| Outcome | Result | p-value |
|---|---|---|
| PRIMARY Change in Amygdala Reactivity During Fear Processing Pre- to Post-treatment |
0.219; 0.188; 0.166; 0.138; 0.117; 0.174 | — |
| PRIMARY Change in Skin Conductance Response to Trauma Cues Pre- to Post-treatment |
0.757; 0.442; 0.721; 0.370 | — |
| SECONDARY Change in Inhibition-related Activation in the Ventromedial Prefrontal Cortex (vmPFC) Pre- to Post-treatment |
-0.065; -0.025; -0.005; 0.016 | — |
| SECONDARY Change in Inhibition-related Activation in the Hippocampus Pre- to Post-treatment |
-0.033; -0.041; -0.035; -0.028; -0.018; 0.009 | — |
| SECONDARY Change in Ventromedial Prefrontal Cortex (vmPFC)-Amygdala Functional Connectivity Pre- to Post-treatment |
-0.006; 0.000; -0.021; 0.004 | — |
| SECONDARY Change in Dorsolateral Prefrontal Cortex (DLPFC)-Amygdala Functional Connectivity Pre- to Post-treatment |
0.021; -0.027; 0.006; -0.020 | — |
| SECONDARY Change in Fear-Potentiated Startle Responses to Danger and Safety Cues Pre- to Post-treatment. |
41.76; 28.33; 14.10; 13.47; 36.45; 30.44 | — |
| SECONDARY Change in Discrimination Between Danger and Safety Cues Pre- to Post-treatment |
27.63; 14.86; 36.14; 26.03 | — |
| SECONDARY Change in Post-traumatic Stress Disorder (PTSD) Hyperarousal Symptoms Pre- to Post-treatment |
11.16; 10.54; 7.92; 8.09 | — |
Summary
The study will (1) assess feasibility of a TMS treatment in an underserved population; (2) determine if this TMS treatment protocol improves PTSD symptoms and biological markers of PTSD such as brain functioning and startle responses; (3) define new brain targets for future TMS studies; (4) provide the first data for individual differences, which will help personalize treatment for PTSD patients; (5) improve knowledge of the neurobiology of PTSD and treatment response.
Eligibility Criteria
Inclusion Criteria
- Men and women 18-65 years of age.
- Meet for partial PTSD, defined as 3 out of 4 symptom clusters always including cluster E (alterations in arousal and reactivity) according to the DSM-5 criteria using the Clinician-Administered PTSD Scale (CAPS-5).
- Capable and willing to provide informed consent.
- Able to adhere to the treatment schedule.
Exclusion Criteria
- Having active suicidal intent or plan as defined by a positive answer to questions 4 and/or 5 on the Columbia-Suicide Severity Rating Scale (C-SSRS): Screening version; or in the clinician's opinion, is likely to attempt suicide within the next six months.
- Unstable psychotropic medication status. Participants taking psychotropic medications (i.e.,antidepressants, antipsychotics, benzodiazepines and anticonvulsants, etc.) can be enrolled in the study as long as medication type and dose has been stable for at least 6 weeks, and additionally, medication type or dose does not change during the course of the study.
- Lifetime diagnosis of psychotic disorder or bipolar I disorder per diagnostic interview.
- Diagnosed with the following conditions: a neurological disorder, including a history of seizures, cerebrovascular disease, primary or secondary tumors in CNS, stroke, cerebral aneurysm or movement disorder or any lifetime history of loss of consciousness for more than 5 minutes due to head injury.
- History of cranial surgery, metallic particles in the eye or head (exclusive of mouth), implanted cardiac pacemaker or any intra-cardiac lines, implanted neurostimulators, intra-cranial implants (e.g., aneurysm clips, shunts, stimulators, cochlear implants, or electrodes) or implanted medical pumps.
- Current substance abuse or dependence as indicated by a score of 6 or higher on the Drug Abuse Screening Test (DAST).
- Current alcohol abuse or dependence as indicated by a score of 8 or higher on the Alcohol Use Disorder Identification Test (AUDIT).
- Being pregnant or a positive pregnancy test at the beginning of each TMS treatment week for sexually active women of childbearing age who are on reliable birth control.
- Currently participating in another clinical study or enrolled in another clinical study within 30 days prior to this study or started (new) treatment for PTSD within 3 months prior to this study.
- Previously treated with TMS.
Data sourced from ClinicalTrials.gov (NCT04563078). Outcome figures and adverse-event rates are extracted automatically from the registry's posted results and are provided for clinician reference, not as a substitute for the primary publication.