Trial Outcomes & Findings for Remediation of Auditory Recognition in Schizophrenia With tDCS (NCT NCT02869334)

NCT ID: NCT02869334

Last Updated: 2021-07-08

Results Overview

Ability to match tones following brief delay

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

20 participants

Primary outcome timeframe

Change in performance from Baseline at completion of training (week 16)

Results posted on

2021-07-08

Participant Flow

Participant milestones

Participant milestones
Measure
Auditory Remediation With Active tDCS
Auditory remediation program paired with active transcranial direct current stimulation (tDCS) for 30 minutes, 2-3 sessions per week Active Transcranial direct current stimulation (tDCS): Active tDCS, where an extremely weak electric current passes through the brain Auditory Remediation: Computer program designed to improve discrimination between sounds
Auditory Remediation With Sham tDCS
Auditory remediation program paired with sham transcranial direct current stimulation (tDCS) for 30 minutes, 2-3 sessions per week Sham Transcranial direct current stimulation (tDCS): Sham (inactive or placebo) tDCS Auditory Remediation: Computer program designed to improve discrimination between sounds
Overall Study
STARTED
10
10
Overall Study
COMPLETED
2
3
Overall Study
NOT COMPLETED
8
7

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Remediation of Auditory Recognition in Schizophrenia With tDCS

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Auditory Remediation With Active tDCS
n=2 Participants
Auditory remediation program paired with active transcranial direct current stimulation (tDCS) for 30 minutes, 2-3 sessions per week Active Transcranial direct current stimulation (tDCS): Active tDCS, where an extremely weak electric current passes through the brain Auditory Remediation: Computer program designed to improve discrimination between sounds
Auditory Remediation With Sham tDCS
n=3 Participants
Auditory remediation program paired with sham transcranial direct current stimulation (tDCS) for 30 minutes, 2-3 sessions per week Sham Transcranial direct current stimulation (tDCS): Sham (inactive or placebo) tDCS Auditory Remediation: Computer program designed to improve discrimination between sounds
Total
n=5 Participants
Total of all reporting groups
Age, Categorical
<=18 years
0 Participants
n=99 Participants
0 Participants
n=107 Participants
0 Participants
n=206 Participants
Age, Categorical
Between 18 and 65 years
2 Participants
n=99 Participants
3 Participants
n=107 Participants
5 Participants
n=206 Participants
Age, Categorical
>=65 years
0 Participants
n=99 Participants
0 Participants
n=107 Participants
0 Participants
n=206 Participants
Age, Continuous
39.0 years
STANDARD_DEVIATION 9.9 • n=99 Participants
44.7 years
STANDARD_DEVIATION 14.4 • n=107 Participants
42.4 years
STANDARD_DEVIATION 11.8 • n=206 Participants
Sex: Female, Male
Female
1 Participants
n=99 Participants
1 Participants
n=107 Participants
2 Participants
n=206 Participants
Sex: Female, Male
Male
1 Participants
n=99 Participants
2 Participants
n=107 Participants
3 Participants
n=206 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
1 Participants
n=99 Participants
1 Participants
n=107 Participants
2 Participants
n=206 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
1 Participants
n=99 Participants
2 Participants
n=107 Participants
3 Participants
n=206 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=99 Participants
0 Participants
n=107 Participants
0 Participants
n=206 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=99 Participants
0 Participants
n=107 Participants
0 Participants
n=206 Participants
Race (NIH/OMB)
Asian
0 Participants
n=99 Participants
0 Participants
n=107 Participants
0 Participants
n=206 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=99 Participants
0 Participants
n=107 Participants
0 Participants
n=206 Participants
Race (NIH/OMB)
Black or African American
2 Participants
n=99 Participants
2 Participants
n=107 Participants
4 Participants
n=206 Participants
Race (NIH/OMB)
White
0 Participants
n=99 Participants
1 Participants
n=107 Participants
1 Participants
n=206 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=99 Participants
0 Participants
n=107 Participants
0 Participants
n=206 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=99 Participants
0 Participants
n=107 Participants
0 Participants
n=206 Participants
Region of Enrollment
United States
2 participants
n=99 Participants
3 participants
n=107 Participants
5 participants
n=206 Participants
Tone matching (i.e. ability to match tones following brief delay)
53.6 percent correct
STANDARD_DEVIATION 5.1 • n=99 Participants
54.3 percent correct
STANDARD_DEVIATION 12.7 • n=107 Participants
54.0 percent correct
STANDARD_DEVIATION 9.3 • n=206 Participants

PRIMARY outcome

Timeframe: Change in performance from Baseline at completion of training (week 16)

Population: completers

Ability to match tones following brief delay

Outcome measures

Outcome measures
Measure
Auditory Remediation With Active tDCS
n=2 Participants
Auditory remediation program paired with active transcranial direct current stimulation (tDCS) for 30 minutes, 2-3 sessions per week Active Transcranial direct current stimulation (tDCS): Active tDCS, where an extremely weak electric current passes through the brain Auditory Remediation: Computer program designed to improve discrimination between sounds
Auditory Remediation With Sham tDCS
n=3 Participants
Auditory remediation program paired with sham transcranial direct current stimulation (tDCS) for 30 minutes, 2-3 sessions per week Sham Transcranial direct current stimulation (tDCS): Sham (inactive or placebo) tDCS Auditory Remediation: Computer program designed to improve discrimination between sounds
Auditory Tone Matching Task
-4.3 %correct, different trials
Standard Deviation 12.1
4.8 %correct, different trials
Standard Deviation 9.3

SECONDARY outcome

Timeframe: Change in performance from Baseline at completion of training (week 16)

Ability to detect emotion based on tone of voice

Outcome measures

Outcome measures
Measure
Auditory Remediation With Active tDCS
n=2 Participants
Auditory remediation program paired with active transcranial direct current stimulation (tDCS) for 30 minutes, 2-3 sessions per week Active Transcranial direct current stimulation (tDCS): Active tDCS, where an extremely weak electric current passes through the brain Auditory Remediation: Computer program designed to improve discrimination between sounds
Auditory Remediation With Sham tDCS
n=3 Participants
Auditory remediation program paired with sham transcranial direct current stimulation (tDCS) for 30 minutes, 2-3 sessions per week Sham Transcranial direct current stimulation (tDCS): Sham (inactive or placebo) tDCS Auditory Remediation: Computer program designed to improve discrimination between sounds
Auditory Emotion Recognition (AER) Task
-3.0 %correct
Standard Deviation 8.6
5.1 %correct
Standard Deviation 12.2

SECONDARY outcome

Timeframe: Change in performance from Baseline at completion of training (week 16)

Penn Emotion Recognition Test-40 Faces Version

Outcome measures

Outcome measures
Measure
Auditory Remediation With Active tDCS
n=2 Participants
Auditory remediation program paired with active transcranial direct current stimulation (tDCS) for 30 minutes, 2-3 sessions per week Active Transcranial direct current stimulation (tDCS): Active tDCS, where an extremely weak electric current passes through the brain Auditory Remediation: Computer program designed to improve discrimination between sounds
Auditory Remediation With Sham tDCS
n=2 Participants
Auditory remediation program paired with sham transcranial direct current stimulation (tDCS) for 30 minutes, 2-3 sessions per week Sham Transcranial direct current stimulation (tDCS): Sham (inactive or placebo) tDCS Auditory Remediation: Computer program designed to improve discrimination between sounds
ER-40
-5.0 percent correct
Standard Deviation 3.5
-1.3 percent correct
Standard Deviation 1.8

SECONDARY outcome

Timeframe: Change in performance from Baseline at completion of training (week 16)

The TASIT is a measure of social cognition, theory of mind as reflected in the ability to detect lies/sarcasm while viewing social vignettes. Total scores range from 0-100% correct. Higher numbers (positive change) are considered better.

Outcome measures

Outcome measures
Measure
Auditory Remediation With Active tDCS
n=2 Participants
Auditory remediation program paired with active transcranial direct current stimulation (tDCS) for 30 minutes, 2-3 sessions per week Active Transcranial direct current stimulation (tDCS): Active tDCS, where an extremely weak electric current passes through the brain Auditory Remediation: Computer program designed to improve discrimination between sounds
Auditory Remediation With Sham tDCS
n=3 Participants
Auditory remediation program paired with sham transcranial direct current stimulation (tDCS) for 30 minutes, 2-3 sessions per week Sham Transcranial direct current stimulation (tDCS): Sham (inactive or placebo) tDCS Auditory Remediation: Computer program designed to improve discrimination between sounds
The Awareness of Social Inference Test (TASIT)
10 score on a scale
Standard Deviation 4.2
0 score on a scale
Standard Deviation 6.8

SECONDARY outcome

Timeframe: Change in performance from Baseline at completion of training (week 16)

Population: Subjects who completed post-testing and had usable data

Change in event related potentials (ERP) acquired during a task of auditory mismatch negativity (MMN), assessed with electroencephalography (EEG)

Outcome measures

Outcome measures
Measure
Auditory Remediation With Active tDCS
n=1 Participants
Auditory remediation program paired with active transcranial direct current stimulation (tDCS) for 30 minutes, 2-3 sessions per week Active Transcranial direct current stimulation (tDCS): Active tDCS, where an extremely weak electric current passes through the brain Auditory Remediation: Computer program designed to improve discrimination between sounds
Auditory Remediation With Sham tDCS
n=2 Participants
Auditory remediation program paired with sham transcranial direct current stimulation (tDCS) for 30 minutes, 2-3 sessions per week Sham Transcranial direct current stimulation (tDCS): Sham (inactive or placebo) tDCS Auditory Remediation: Computer program designed to improve discrimination between sounds
Auditory Mismatch Negativity (MMN)
-1.47 microvolt
Standard Deviation 0
-.98 microvolt
Standard Deviation 1.07

Adverse Events

Auditory Remediation With Active tDCS

Serious events: 0 serious events
Other events: 1 other events
Deaths: 0 deaths

Auditory Remediation With 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

Other adverse events
Measure
Auditory Remediation With Active tDCS
n=2 participants at risk
Auditory remediation program paired with active transcranial direct current stimulation (tDCS) for 30 minutes, 2-3 sessions per week Active Transcranial direct current stimulation (tDCS): Active tDCS, where an extremely weak electric current passes through the brain Auditory Remediation: Computer program designed to improve discrimination between sounds
Auditory Remediation With Sham tDCS
n=3 participants at risk
Auditory remediation program paired with sham transcranial direct current stimulation (tDCS) for 30 minutes, 2-3 sessions per week Sham Transcranial direct current stimulation (tDCS): Sham (inactive or placebo) tDCS Auditory Remediation: Computer program designed to improve discrimination between sounds
Nervous system disorders
sedation
50.0%
1/2 • Number of events 1 • 16 weeks
0.00%
0/3 • 16 weeks

Additional Information

Dr. Daniel Javitt

Nathan Kline Institute

Phone: 8453986534

Results disclosure agreements

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