Trial Outcomes & Findings for Primed vs. Unprimed rTMS in Chronic Stroke (NCT NCT01757821)

NCT ID: NCT01757821

Last Updated: 2017-12-02

Results Overview

Cortical Excitability of the primary motor cortex on the stroke hemisphere will be assessed using paired-pulse transcranial magnetic stimulation.

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

11 participants

Primary outcome timeframe

Change from Baseline to 20 minutes

Results posted on

2017-12-02

Participant Flow

All subjects received all 3 interventions

Participant milestones

Participant milestones
Measure
6-Hz Priming
real 6-Hz primed low-frequency rTMS real 6-Hz primed low-frequency rTMS: 10 minutes of 6-Hz stimulation (real priming) followed by 10 minutes of 1-Hz low-frequency stimulation delivered to the nonstroke primary motor region Sham 6-Hz Primed low-frequency rTMS real 1-Hz rTMS only real 1-Hz rTMS only: 20 minutes of low-frequency rTMS delivered to the nonstroke primary motor region Sham 6-Hz Primed low-frequency rTMS: 10 minutes of sham priming stimulation followed by 10 minutes of 1-Hz low-frequency stimulation delivered to the nonstroke primary motor region
Overall Study
STARTED
11
Overall Study
COMPLETED
10
Overall Study
NOT COMPLETED
1

Reasons for withdrawal

Reasons for withdrawal
Measure
6-Hz Priming
real 6-Hz primed low-frequency rTMS real 6-Hz primed low-frequency rTMS: 10 minutes of 6-Hz stimulation (real priming) followed by 10 minutes of 1-Hz low-frequency stimulation delivered to the nonstroke primary motor region Sham 6-Hz Primed low-frequency rTMS real 1-Hz rTMS only real 1-Hz rTMS only: 20 minutes of low-frequency rTMS delivered to the nonstroke primary motor region Sham 6-Hz Primed low-frequency rTMS: 10 minutes of sham priming stimulation followed by 10 minutes of 1-Hz low-frequency stimulation delivered to the nonstroke primary motor region
Overall Study
Adverse Event
1

Baseline Characteristics

Primed vs. Unprimed rTMS in Chronic Stroke

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Real 6-Hz Priming Sham 6-Hz Priming Real 1-Hz rTMS Only
n=11 Participants
real 6-Hz primed low-frequency rTMS real 6-Hz primed low-frequency rTMS: Sham 6-Hz Primed low-frequency rTMS real 1-Hz rTMS only
Age, Categorical
<=18 years
0 Participants
n=5 Participants
Age, Categorical
Between 18 and 65 years
9 Participants
n=5 Participants
Age, Categorical
>=65 years
2 Participants
n=5 Participants
Age, Continuous
66 years
STANDARD_DEVIATION 9.4 • n=5 Participants
Sex: Female, Male
Female
3 Participants
n=5 Participants
Sex: Female, Male
Male
8 Participants
n=5 Participants
Region of Enrollment
United States
11 participants
n=5 Participants

PRIMARY outcome

Timeframe: Change from Baseline to 20 minutes

Cortical Excitability of the primary motor cortex on the stroke hemisphere will be assessed using paired-pulse transcranial magnetic stimulation.

Outcome measures

Outcome measures
Measure
Real 6-Hz Priming
n=10 Participants
real 6-Hz primed low-frequency rTMS real 6-Hz primed low-frequency rTMS: 10 minutes of 6-Hz stimulation (real priming) followed by 10 minutes of 1-Hz low-frequency stimulation delivered to the nonstroke primary motor region
Sham 6-Hz Priming
n=10 Participants
Sham 6-Hz Primed low-frequency rTMS Sham 6-Hz Primed low-frequency rTMS: 10 minutes of sham priming stimulation followed by 10 minutes of 1-Hz low-frequency stimulation delivered to the nonstroke primary motor region
Real 1-Hz rTMS Only
n=10 Participants
real 1-Hz rTMS only real 1-Hz rTMS only: 20 minutes of low-frequency rTMS delivered to the nonstroke primary motor region
Change in Cortical Excitability: Paired-Pulse
-18 milivolt
Standard Deviation 14
18 milivolt
Standard Deviation 9
12 milivolt
Standard Deviation 5

Adverse Events

Real 6-Hz Priming

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

Sham 6-Hz Priming

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

Real 1-Hz rTMS Only

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

Serious adverse events

Serious adverse events
Measure
Real 6-Hz Priming
n=11 participants at risk
real 6-Hz primed low-frequency rTMS real 6-Hz primed low-frequency rTMS: 10 minutes of 6-Hz stimulation (real priming) followed by 10 minutes of 1-Hz low-frequency stimulation delivered to the nonstroke primary motor region
Sham 6-Hz Priming
n=11 participants at risk
Sham 6-Hz Primed low-frequency rTMS Sham 6-Hz Primed low-frequency rTMS: 10 minutes of sham priming stimulation followed by 10 minutes of 1-Hz low-frequency stimulation delivered to the nonstroke primary motor region
Real 1-Hz rTMS Only
n=11 participants at risk
real 1-Hz rTMS only real 1-Hz rTMS only: 20 minutes of low-frequency rTMS delivered to the nonstroke primary motor region
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
Tumor
9.1%
1/11 • Number of events 1
9.1%
1/11 • Number of events 1
9.1%
1/11 • Number of events 1

Other adverse events

Adverse event data not reported

Additional Information

James Carey

University of Minnesota

Phone: 612-626-2746

Results disclosure agreements

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