Trial Outcomes & Findings for Dextroamphetamine and tDCS to Improve the Fluency (NCT NCT02514044)

NCT ID: NCT02514044

Last Updated: 2018-08-03

Results Overview

The score on the Language Quotient of the Western Aphasia Battery ranges between 0-100. Higher scores indicate better performance. Below, percent change in the score is reported.

Recruitment status

COMPLETED

Study phase

PHASE2

Target enrollment

10 participants

Primary outcome timeframe

immediately before the treatment, immediately after the treatment

Results posted on

2018-08-03

Participant Flow

Participant milestones

Participant milestones
Measure
Dexedrine+tDCS+Speech Therapy, Then Placebo+tDCS+Speech Therap
10 mg Dexedrine, 1.5 mA anodal tDCS, and speech therapy for 1 day Dexedrine: 10 mg immediate release of Dexedrine Active tDCS: 1.5 mA tDCS anodal tDCS Speech Therapy: 60 min of speech therapy Placebo, 1.5 mA anodal tDCS, and speech therapy for 1 day Active tDCS: 1.5 mA tDCS anodal tDCS Speech Therapy: 60 min of speech therapy Placebo
Dexedrine+tDCS+Speech Therapy (1 Day)
STARTED
10
Dexedrine+tDCS+Speech Therapy (1 Day)
COMPLETED
10
Dexedrine+tDCS+Speech Therapy (1 Day)
NOT COMPLETED
0
Washout (1 Week)
STARTED
10
Washout (1 Week)
COMPLETED
10
Washout (1 Week)
NOT COMPLETED
0
Placebo+tDCS+Speech Therapy (1 Day)
STARTED
10
Placebo+tDCS+Speech Therapy (1 Day)
COMPLETED
10
Placebo+tDCS+Speech Therapy (1 Day)
NOT COMPLETED
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Dextroamphetamine and tDCS to Improve the Fluency

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
All Study Participants
n=10 Participants
10 mg Dexedrine, 1.5 mA anodal tDCS, and speech therapy for 1 day Dexedrine: 10 mg immediate release of Dexedrine Active tDCS: 1.5 mA tDCS anodal tDCS Speech Therapy: 60 min of speech therapy Placebo, 1.5 mA anodal tDCS, and speech therapy for 1 day Active tDCS: 1.5 mA tDCS anodal tDCS Speech Therapy: 60 min of speech therapy Placebo
Age, Categorical
<=18 years
0 Participants
n=93 Participants
Age, Categorical
Between 18 and 65 years
6 Participants
n=93 Participants
Age, Categorical
>=65 years
4 Participants
n=93 Participants
Sex: Female, Male
Female
6 Participants
n=93 Participants
Sex: Female, Male
Male
4 Participants
n=93 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
0 Participants
n=93 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
10 Participants
n=93 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=93 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=93 Participants
Race (NIH/OMB)
Asian
0 Participants
n=93 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=93 Participants
Race (NIH/OMB)
Black or African American
4 Participants
n=93 Participants
Race (NIH/OMB)
White
6 Participants
n=93 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=93 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=93 Participants
Region of Enrollment
United States
10 participants
n=93 Participants
Non-fluent aphasia assessed by clinicians
10 Participants
n=93 Participants

PRIMARY outcome

Timeframe: immediately before the treatment, immediately after the treatment

The score on the Language Quotient of the Western Aphasia Battery ranges between 0-100. Higher scores indicate better performance. Below, percent change in the score is reported.

Outcome measures

Outcome measures
Measure
Dexedrine+tDCS+Speech Therapy
n=10 Participants
The subjects received 10 mg D-AMP 30 minutes before the 60 minutes of SLT; first 20 min is simultaneous tDCS stimulation in this experiment/arm.
Placebo+tDCS+Speech Therapy
n=10 Participants
The subjects received placebo 30 minutes before the 60 minutes of SLT; first 20 min is simultaneous tDCS stimulation in this experiment/arm.
Percent Change in Language Quotient as Assessed by the Western Aphasia Battery
11.02 percent change in language quotient
Interval 3.22 to 18.81
-4.2 percent change in language quotient
Interval -10.57 to 2.26

PRIMARY outcome

Timeframe: immediately before the treatment, immediately after the treatment

The score on the Aphasia Quotient of the Western Aphasia Battery ranges between 0-100. Higher scores indicate better performance. Below, percent change in the score is reported.

Outcome measures

Outcome measures
Measure
Dexedrine+tDCS+Speech Therapy
n=10 Participants
The subjects received 10 mg D-AMP 30 minutes before the 60 minutes of SLT; first 20 min is simultaneous tDCS stimulation in this experiment/arm.
Placebo+tDCS+Speech Therapy
n=10 Participants
The subjects received placebo 30 minutes before the 60 minutes of SLT; first 20 min is simultaneous tDCS stimulation in this experiment/arm.
Percent Change in Aphasia Quotient as Assessed by the Western Aphasia Battery
7.9 percent change in aphasia quotient
Interval 1.49 to 14.31
-.02 percent change in aphasia quotient
Interval -7.63 to 7.19

SECONDARY outcome

Timeframe: Baseline,2 weeks

Population: Data not collected.

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: Baseline,2 months

Population: Data not collected.

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: immediately before the treatment, after after the treatment

Non-invasive BP measurements performed by a clinician before and after each experiment.

Outcome measures

Outcome measures
Measure
Dexedrine+tDCS+Speech Therapy
n=10 Participants
The subjects received 10 mg D-AMP 30 minutes before the 60 minutes of SLT; first 20 min is simultaneous tDCS stimulation in this experiment/arm.
Placebo+tDCS+Speech Therapy
n=10 Participants
The subjects received placebo 30 minutes before the 60 minutes of SLT; first 20 min is simultaneous tDCS stimulation in this experiment/arm.
Percent Change in Blood Pressure
Systolic blood pressure
10 percent change in blood pressure
Standard Deviation 3
4 percent change in blood pressure
Standard Deviation 1
Percent Change in Blood Pressure
Diastolic blood pressure
11 percent change in blood pressure
Standard Deviation 5
5 percent change in blood pressure
Standard Deviation 2

Adverse Events

D-AMP+tDCS+Speech Therapy

Serious events: 0 serious events
Other events: 9 other events
Deaths: 0 deaths

Placebo+tDCS+Speech Therapy

Serious events: 0 serious events
Other events: 9 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
D-AMP+tDCS+Speech Therapy
n=10 participants at risk
The subjects received 10 mg of D-AMP medication 30 minutes before the simultaneous tDCS (first 20 min) and 60 min of SLT in this experiment.
Placebo+tDCS+Speech Therapy
n=10 participants at risk
The subjects received placebo medication 30 minutes before the simultaneous tDCS (first 20 min) and 60 min of SLT in this experiment.
Skin and subcutaneous tissue disorders
Non-significant skin redness and tingling
90.0%
9/10 • Number of events 9
90.0%
9/10 • Number of events 9
Nervous system disorders
Mild Headache
20.0%
2/10 • Number of events 2
20.0%
2/10 • Number of events 2
Nervous system disorders
Mild Insomnia
10.0%
1/10 • Number of events 1
0.00%
0/10

Additional Information

Dr. Gerard E. Francisco, Chairman and Professor, Physical Medicine and Rehabilitation

University of Texas Health Science Center at Houston (UTHealth)

Phone: 713.797.5246

Results disclosure agreements

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