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Clinical Trial Details — Status: Not yet recruiting

Administrative data

NCT number NCT06461221
Other study ID # Pro00133395
Secondary ID
Status Not yet recruiting
Phase Phase 1
First received
Last updated
Start date July 1, 2024
Est. completion date August 1, 2026

Study information

Verified date June 2024
Source Medical University of South Carolina
Contact Jacob D Weaver, MS
Phone 8437792278
Email weavejac@musc.edu
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The investigators goal is to target FUS energy to the centromedian nucleus of the thalamus (CMT), the core of arousal, which is inaccessible by traditional non-invasive neuromodulation devices. The CMT is an ideal stimulation target for augmenting alertness, as it is intimately linked with the cortex through the well described thalamocortical circuit to entrain network oscillations.


Description:

In this research study, the investigators will utilize a novel wearable device (ATTN201) to test the dose-response effects of FUS stimulation of the centromedian nucleus of the thalamus (CMT) on alertness, cognitive performance, and reaction time, as well as sleep EEG recordings. Unlike existing technologies, the device in this study will use offline MRI guidance, which is not needed during the actual treatment, allowing users for the first time to sleep and comfortably wear the device out of the clinic. This unique offline MRI guidance approach uses the device's precise head registration and brain anatomy to allow for customized and repeatable tFUS delivery to the CMT. For this study, the investigators will recruit up to 36 healthy subjects for a safety study that will objectively assess brain parenchyma morphology, and neuropsychiatric and neuropsychological function, following tFUS exposure of the CMT. EEG recordings during parametric sweeps will be obtained for observation of changes in brain network activity.


Recruitment information / eligibility

Status Not yet recruiting
Enrollment 36
Est. completion date August 1, 2026
Est. primary completion date August 1, 2025
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 22 Years to 55 Years
Eligibility Inclusion Criteria: - 22 - 55 y.o. - Endorse good health with no history of mental or physical illness - Negative urine pregnancy test if female - Willingness to adhere to the FUS study schedule and assessments - Able to read consent document and provide informed consent. - English is a first or primary fluent language. Exclusion Criteria: - Any current psychiatric diagnosis or current Clinical Global Impression ratings of psychiatric illness > 1 - Neurodevelopmental disorders, history of CNS disease, concussion, overnight hospitalization, or other neurologic sequela, tumors, seizures, meningitis, encephalitis, or abnormal CT or MRI of the brain - Any psychotropic medication is taken within 5 half-lives of procedure time - Any head trauma resulting in loss of consciousness - Visual impairment (except the use of glasses) - Inability to complete cognitive testing - Active participation or plan for enrollment in another evidence-based clinical trial affecting the psychosocial function - Repeated abuse or dependence upon drugs (excluding nicotine and caffeine) or taking medications including stimulants, modafinil, thyroid medication, or steroids - Implanted devices/ferrous metal of any kind - History of seizure or epilepsy, currently taking medications that lower seizure thresholds - Claustrophobia or other conditions that would prevent the MRI assessment. - Pregnancy (or suspected/possible pregnancy or plan to become pregnant in the short term). - Urine Pregnancy Test: If the subject is a woman of childbearing potential and /or a man capable of fathering a child before, during, and/or after participation precautions should be taken. Examples of acceptable methods of birth control for participants involved in the study include birth control pills, patches, IUDs, condoms, sponges, diaphragm with spermicide, or avoiding sexual activity that could cause the subject to become pregnant. - Inability to adhere to the treatment schedule. - Inability to fit the wearable device to the user's head.

Study Design


Related Conditions & MeSH terms


Intervention

Device:
Transcranial Focused Ultrasound
Using MRI-guided targeting, we will administer focused ultrasound in one of the 4 stimulation conditions
Transcranial Focused Ultrasound
Using MRI-guided targeting, we will administer focused ultrasound in one of the 4 stimulation conditions
Transcranial Focused Ultrasound
Using MRI-guided targeting, we will administer focused ultrasound in one of the 4 stimulation conditions
Transcranial Focused Ultrasound
Using MRI-guided targeting, we will administer focused ultrasound in one of the 4 stimulation conditions

Locations

Country Name City State
United States Medical University of South Carolina Charleston South Carolina

Sponsors (1)

Lead Sponsor Collaborator
Medical University of South Carolina

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary EEG changes pre- to post-FUS Frequency band analysis of EEG data 2 years
Primary Reaction time on Psychomotor vigilance task Measuring reaction time on PVT pre- to post-FUS 2 years
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