Trial Outcomes & Findings for Investigating Accelerated Learning in Healthy Subjects: Trigeminal Nerve Stimulation (NCT NCT03138590)

NCT ID: NCT03138590

Last Updated: 2022-02-03

Results Overview

Changes in performance in the Verbal Paired-Associate memory task is compared between the 2 groups (1. Active tDCS 2. Sham tDCS) to investigate the influence of tDCS on Associative Memory.

Recruitment status

TERMINATED

Study phase

NA

Target enrollment

20 participants

Primary outcome timeframe

1 week after stimualtion

Results posted on

2022-02-03

Participant Flow

Participant milestones

Participant milestones
Measure
Active tDCS
Active transcranial Direct Current Stimulation targeting the trigeminal nerve Transcranial Direct Current Stimulation- Neuroconn DC Stimulator PLUS: Transcranial Direct Current Stimulation targeting the trigeminal nerve
Sham tDCS
Sham transcranial Direct Current Stimulation targeting the trigeminal nerve Transcranial Direct Current Stimulation- Neuroconn DC Stimulator PLUS: Transcranial Direct Current Stimulation targeting the trigeminal nerve
Overall Study
STARTED
10
10
Overall Study
COMPLETED
10
10
Overall Study
NOT COMPLETED
0
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Investigating Accelerated Learning in Healthy Subjects: Trigeminal Nerve Stimulation

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Active tDCS
n=10 Participants
Active transcranial Direct Current Stimulation targeting the trigeminal nerve Transcranial Direct Current Stimulation- Neuroconn DC Stimulator PLUS: Transcranial Direct Current Stimulation targeting the trigeminal nerve
Sham tDCS
n=10 Participants
Sham transcranial Direct Current Stimulation targeting the trigeminal nerve Transcranial Direct Current Stimulation- Neuroconn DC Stimulator PLUS: Transcranial Direct Current Stimulation targeting the trigeminal nerve
Total
n=20 Participants
Total of all reporting groups
Age, Continuous
21.5 years
STANDARD_DEVIATION 4.67 • n=5 Participants
21.1 years
STANDARD_DEVIATION 2.33 • n=7 Participants
21.3 years
STANDARD_DEVIATION 3.6 • n=5 Participants
Sex: Female, Male
Female
4 Participants
n=5 Participants
9 Participants
n=7 Participants
13 Participants
n=5 Participants
Sex: Female, Male
Male
6 Participants
n=5 Participants
1 Participants
n=7 Participants
7 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
1 Participants
n=5 Participants
2 Participants
n=7 Participants
3 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
9 Participants
n=5 Participants
8 Participants
n=7 Participants
17 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Asian
3 Participants
n=5 Participants
4 Participants
n=7 Participants
7 Participants
n=5 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Black or African American
4 Participants
n=5 Participants
2 Participants
n=7 Participants
6 Participants
n=5 Participants
Race (NIH/OMB)
White
3 Participants
n=5 Participants
3 Participants
n=7 Participants
6 Participants
n=5 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
1 Participants
n=7 Participants
1 Participants
n=5 Participants
Region of Enrollment
United States
10 Participants
n=5 Participants
10 Participants
n=7 Participants
20 Participants
n=5 Participants
Beck Depression Inventory Scale
5 units on a scale
STANDARD_DEVIATION 5.65 • n=5 Participants
4.3 units on a scale
STANDARD_DEVIATION 4.34 • n=7 Participants
4.65 units on a scale
STANDARD_DEVIATION 4.92 • n=5 Participants
Beck Anxiety Inventory Scale
2.6 units on a scale
STANDARD_DEVIATION 2.07 • n=5 Participants
2.6 units on a scale
STANDARD_DEVIATION 2.99 • n=7 Participants
2.6 units on a scale
STANDARD_DEVIATION 2.5 • n=5 Participants
Mini Mental State Examination
29.3 units on a scale
STANDARD_DEVIATION 1.06 • n=5 Participants
29.5 units on a scale
STANDARD_DEVIATION 0.972 • n=7 Participants
29.4 units on a scale
STANDARD_DEVIATION 0.99 • n=5 Participants

PRIMARY outcome

Timeframe: 1 week after stimualtion

Changes in performance in the Verbal Paired-Associate memory task is compared between the 2 groups (1. Active tDCS 2. Sham tDCS) to investigate the influence of tDCS on Associative Memory.

Outcome measures

Outcome measures
Measure
Active tDCS
n=10 Participants
Active transcranial Direct Current Stimulation targeting the trigeminal nerve Transcranial Direct Current Stimulation- Neuroconn DC Stimulator PLUS: Transcranial Direct Current Stimulation targeting the trigeminal nerve
Sham tDCS
n=10 Participants
Sham transcranial Direct Current Stimulation targeting the trigeminal nerve Transcranial Direct Current Stimulation- Neuroconn DC Stimulator PLUS: Transcranial Direct Current Stimulation targeting the trigeminal nerve
Associative Memory Assessed by a Verbal Paired-Associate Test
32.9 percentage of words recalled from V1
Standard Deviation 16.2
38.1 percentage of words recalled from V1
Standard Deviation 18.6

Adverse Events

Active tDCS

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Sham tDCS

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Adverse event data not reported

Additional Information

Dr. Sven Vanneste, Principal Investigator

University of Texas at Dallas

Phone: 972-883-7277

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place