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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT05218109
Other study ID # IRB202101724
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date February 9, 2022
Est. completion date May 29, 2023

Study information

Verified date April 2024
Source University of Florida
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

This between-subject, longitudinal pilot study in healthy college students aims to explore the acceptability and preliminary outcomes of two novel and complementary interventions that may improve stress and sleep: transcutaneous vagus nerve stimulation (tVNS) and a mobile mindfulness intervention.


Recruitment information / eligibility

Status Completed
Enrollment 76
Est. completion date May 29, 2023
Est. primary completion date April 28, 2023
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 18 Years to 30 Years
Eligibility Inclusion Criteria: - Undergraduate student (ages 18-30) - Must own a smartphone - Must be able to read and write English Exclusion Criteria: - Major medical illnesses including diagnosed severe neurological illnesses (e.g., stroke, seizure history), medical conditions associated with neurological effects (e.g. heart, kidney disease), autoimmune disorders, and severe psychiatric diseases (e.g., schizophrenia) - Pregnancy - History of brain surgery, tumor, intracranial metal implantation, pacemakers or other implanted devices - History of adverse reaction to electrical nerve stimulation - Prescribed sleep medications and/or psychotropic medications - Illicit or prescription drug abuse within the last two months (marijuana or alcohol abuse >2 weeks out will be acceptable for inclusion)

Study Design


Related Conditions & MeSH terms


Intervention

Device:
tVNS
transcutaneous vagus nerve stimulation
Behavioral:
Mindfulness
Brightmind mobile mindfulness application
Device:
sham tVNS
sham transcutaneous vagus nerve stimulation
Other:
Number Puzzle
Control number puzzle task delivered via mobile device

Locations

Country Name City State
United States University of Florida Gainesville Florida

Sponsors (1)

Lead Sponsor Collaborator
University of Florida

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary Acceptability of the Combined tVNS + Mindfulness Intervention as Assessed by Participant Self-report of Acceptability Using the Acceptability of Intervention Measure (AIM) The AIM (Weiner et al., 2017) is a brief 4-item scale measuring the degree to which participants believe an intervention is acceptable. The response scale for each item ranges from 1 (completely disagree) to 5 (completely agree). Responses from the 4 items are averaged to yield total scores ranging from 1-5, with higher scores indicating greater acceptability. Assessed in the tVNS + mindfulness groups and sham + mindfulness groups at Week 2
Primary Sleep Quality as Assessed by Participant Self-report on the Pittsburgh Sleep Quality Index (PSQI) The PSQI (Buysse et al., 1989) contains 19 self-rated items that are combined to form seven component scores, each of which has a range from 0-3 points. For each component, a score of 0 indicates no difficulty, while a score of 3 indicates severe difficulty. The seven component scores are then added to yield one "global" score, with a range from 0-21 points (0 = best sleep quality, 21 = poorest sleep quality). Assessed at the end of the intervention phase (Week 4)
Primary Perceived Stress as Assessed by Participant Self-report on the Perceived Stress Scale (PSS) The PSS (Cohen et al., 1994) is a 10-item questionnaire measuring the degree to which situations in one's life are appraised as stressful. In particular, it gauges how unpredictable, uncontrollable, and overloaded respondents find their lives. Participants rate each item on a scale of 0 (never) to 4 (very often), and total scores range from 0-40 (0 = least perceived stress, 40 = most perceived stress). Assessed at the end of the intervention phase (Week 4)
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