NCT04123496

Brief Summary

The purpose of this study is to determine the most effective dose of brief, non-invasive brain stimulation (repetitive transcranial magnetic stimulation, rTMS) for improving cognitive functions such as attention and memory as well as to improve the ability to recover from stressful situations (stress resilience).

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
38

participants targeted

Target at P25-P50 for not_applicable

Timeline
Completed

Started Nov 2019

Typical duration for not_applicable

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

October 9, 2019

Completed
2 days until next milestone

First Posted

Study publicly available on registry

October 11, 2019

Completed
1 month until next milestone

Study Start

First participant enrolled

November 21, 2019

Completed
1.9 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

September 27, 2021

Completed
1 month until next milestone

Study Completion

Last participant's last visit for all outcomes

October 27, 2021

Completed
4 years until next milestone

Results Posted

Study results publicly available

October 16, 2025

Completed
Last Updated

October 16, 2025

Status Verified

September 1, 2025

Enrollment Period

1.9 years

First QC Date

October 9, 2019

Results QC Date

September 28, 2022

Last Update Submit

September 29, 2025

Conditions

Keywords

cognitionadultprefrontal cortexTranscranial Magnetic StimulationStress, Psychologicalmemoryattention

Outcome Measures

Primary Outcomes (3)

  • Mean Score of Neurocognitive Performance (Fluid Cognition)

    Participants would complete a computerized batteries (Penn Computerized Neuropsychological Battery and NIH Cognition Battery). Tasks would assess the following domains: information-processing speed, executive function, sustained attention/vigilance, verbal memory, working-memory capacity, inhibition/impulsivity, and sensorimotor function. This composite includes all the tests noted above that are fluid ability measures: Flanker, Dimensional Change Card Sort, Picture Sequence Memory, List Sorting and Pattern Comparison. This composite score is derived by averaging the standard scores of each of the measures, and then deriving standard scores based on this new distribution. Higher values (positive changes from baseline) indicate better performance. The T-score has a mean of 50 in the general population and a SD of 10. Scores higher than the mean indicate better performance.

    Baseline (Day 1)

  • Change From Baseline in Neurocognitive Performance at 1 Week Post Treatment (Fluid Cognition)

    Participants would complete a computerized batteries (Penn Computerized Neuropsychological Battery and NIH Cognition Battery). Tasks would assess the following domains: information-processing speed, executive function, sustained attention/vigilance, verbal memory, working-memory capacity, inhibition/impulsivity, and sensorimotor function. This composite includes all the tests noted above that are fluid ability measures: Flanker, Dimensional Change Card Sort, Picture Sequence Memory, List Sorting and Pattern Comparison. This composite score is derived by averaging the standard scores of each of the measures, and then deriving standard scores based on this new distribution. The T-score has a mean of 50 in the general population and a SD of 10. Scores higher than the mean indicate better performance.

    Post-treatment (within 1 week of completing rTMS)

  • Change From Baseline in Neurocognitive Performance at 1 Month Post Treatment (Fluid Cognition)

    Participants would complete a computerized batteries (Penn Computerized Neuropsychological Battery and NIH Cognition Battery). Tasks would assess the following domains: information-processing speed, executive function, sustained attention/vigilance, verbal memory, working-memory capacity, inhibition/impulsivity, and sensorimotor function. This composite includes all the tests noted above that are fluid ability measures: Flanker, Dimensional Change Card Sort, Picture Sequence Memory, List Sorting and Pattern Comparison. This composite score is derived by averaging the standard scores of each of the measures, and then deriving standard scores based on this new distribution. The T-score has a mean of 50 in the general population and a SD of 10. Scores higher than the mean indicate better performance.

    Post-treatment (within 1 month of completing rTMS)

Secondary Outcomes (15)

  • Mean Score of Stress Resilience as Assessed by Connor Davidson Resilience Scale

    Baseline (Day 1)

  • Mean Score of Stress Resilience as Assessed by Perceived Stress Scale-10

    Baseline (Day 1)

  • Mean Score of Stress Resilience as Assessed by Inventory of Depression and Anxiety Symptoms-II

    Baseline (Day 1)

  • Mean Score of Stress Resilience as Assessed by Connor Davidson Resilience Scale

    Post-treatment (within 1 week of completing rTMS)

  • Mean Score of Stress Resilience as Assessed by Perceived Stress Scale-10

    Post-treatment (within 1 week of completing rTMS)

  • +10 more secondary outcomes

Study Arms (10)

Dose 1

EXPERIMENTAL

All participants will be randomized to one of 10 doses of accelerated rTMS. All doses are active and within established therapeutic levels of rTMS. Dose 1 is 5 sessions of 600 pulses at 120% of resting motor threshold. Intermittent theta burst triplets at 50 Hz for 2 seconds and repeated every 10 seconds for a total of 190 seconds.

Device: rTMS

Dose 2

EXPERIMENTAL

All participants will be randomized to one of 10 doses of accelerated rTMS. All doses are active and within established therapeutic levels of rTMS. Dose 2 is 10 sessions of 600 pulses at 120% of resting motor threshold. Intermittent theta burst triplets at 50 Hz for 2 seconds and repeated every 10 seconds for a total of 190 seconds.

Device: rTMS

Dose 3

EXPERIMENTAL

All participants will be randomized to one of 10 doses of accelerated rTMS. All doses are active and within established therapeutic levels of rTMS. Dose 3 is 15 sessions of 600 pulses at 120% of resting motor threshold. Intermittent theta burst triplets at 50 Hz for 2 seconds and repeated every 10 seconds for a total of 190 seconds.

Device: rTMS

Dose 4

EXPERIMENTAL

All participants will be randomized to one of 10 doses of accelerated rTMS. All doses are active and within established therapeutic levels of rTMS. Dose 4 is 20 sessions of 600 pulses at 120% of resting motor threshold. Intermittent theta burst triplets at 50 Hz for 2 seconds and repeated every 10 seconds for a total of 190 seconds.

Device: rTMS

Dose 5

EXPERIMENTAL

All participants will be randomized to one of 10 doses of accelerated rTMS. All doses are active and within established therapeutic levels of rTMS. Dose 5 is 25 sessions of 600 pulses at 120% of resting motor threshold. Intermittent theta burst triplets at 50 Hz for 2 seconds and repeated every 10 seconds for a total of 190 seconds.

Device: rTMS

Dose 6

EXPERIMENTAL

All participants will be randomized to one of 10 doses of accelerated rTMS. All doses are active and within established therapeutic levels of rTMS. Dose 6 is 30 sessions of 600 pulses at 120% of resting motor threshold. Intermittent theta burst triplets at 50 Hz for 2 seconds and repeated every 10 seconds for a total of 190 seconds.

Device: rTMS

Dose 7

EXPERIMENTAL

All participants will be randomized to one of 10 doses of accelerated rTMS. All doses are active and within established therapeutic levels of rTMS. Dose 7 is 35 sessions of 600 pulses at 120% of resting motor threshold. Intermittent theta burst triplets at 50 Hz for 2 seconds and repeated every 10 seconds for a total of 190 seconds.

Device: rTMS

Dose 8

EXPERIMENTAL

All participants will be randomized to one of 10 doses of accelerated rTMS. All doses are active and within established therapeutic levels of rTMS. Dose 8 is 40 sessions of 600 pulses at 120% of resting motor threshold. Intermittent theta burst triplets at 50 Hz for 2 seconds and repeated every 10 seconds for a total of 190 seconds.

Device: rTMS

Dose 9

EXPERIMENTAL

All participants will be randomized to one of 10 doses of accelerated rTMS. All doses are active and within established therapeutic levels of rTMS. Dose 9 is 45 sessions of 600 pulses at 120% of resting motor threshold. Intermittent theta burst triplets at 50 Hz for 2 seconds and repeated every 10 seconds for a total of 190 seconds.

Device: rTMS

Dose 10

EXPERIMENTAL

All participants will be randomized to one of 10 doses of accelerated rTMS. All doses are active and within established therapeutic levels of rTMS. Dose 10 is 50 sessions of 600 pulses at 120% of resting motor threshold. Intermittent theta burst triplets at 50 Hz for 2 seconds and repeated every 10 seconds for a total of 190 seconds.

Device: rTMS

Interventions

rTMSDEVICE

Device: Repetitive Transcranial Magnetic Stimulation (rTMS) MagVenture MagPro TMS System would be utilized to deliver 3-minute sessions of intermittent theta burst to left dorsolateral prefrontal cortex.

Dose 1Dose 10Dose 2Dose 3Dose 4Dose 5Dose 6Dose 7Dose 8Dose 9

Eligibility Criteria

Age22 Years - 55 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • No history of mental or physical illness
  • No implanted metal in the body
  • College graduates (Associates degree or higher)
  • Negative urine pregnancy test, if female subject of childbearing potential
  • Able to read and understand questionnaires and informed consent

You may not qualify if:

  • Any current psychiatric diagnosis or current Clinical Global Impression ratings of psychiatric illness \> 1
  • Current physical illness
  • History of CNS disease, concussion, overnight hospitalization, tumors, seizures, meningitis, encephalitis, abnormal CT/MRI of the brain
  • Moderate to severe traumatic brain injury (TBI)
  • History of a continuing significant laboratory finding
  • Frequent or severe headaches
  • Any history of psychotropic medication prior to study enrollment
  • Females of childbearing potential who are pregnant (by urine HCG), nursing, or who are not using a reliable form of birth control.
  • active participation or plan for enrollment in another evidence-based clinical trial affecting psychosocial function
  • repeated abuse or dependence upon drugs (excluding nicotine and caffeine)
  • implanted devices/ferrous metal of any kind

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Medical University of South Carolina

Charleston, South Carolina, 29401-5799, United States

Location

MeSH Terms

Conditions

Fractures, StressStress, Psychological

Condition Hierarchy (Ancestors)

Fractures, BoneWounds and InjuriesBehavioral SymptomsBehavior

Results Point of Contact

Title
Donna Robers, MD
Organization
Medical University of South Carolina

Study Officials

  • Donna Roberts, MD

    Medical University of South Carolina

    PRINCIPAL INVESTIGATOR

Publication Agreements

PI is Sponsor Employee
Yes
Restrictive Agreement
No

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
PARTICIPANT
Purpose
OTHER
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

October 9, 2019

First Posted

October 11, 2019

Study Start

November 21, 2019

Primary Completion

September 27, 2021

Study Completion

October 27, 2021

Last Updated

October 16, 2025

Results First Posted

October 16, 2025

Record last verified: 2025-09

Data Sharing

IPD Sharing
Will not share

Locations