Trial Outcomes & Findings for Identification of Optimal Stimulation Site for Cervical Dystonia Symptoms: An Exploratory Study (NCT NCT01859247)

NCT ID: NCT01859247

Last Updated: 2016-07-28

Results Overview

Toronto Western Spasmodic Torticollis Rating Scale (TWSTRS) was used to assess severity of disease. The score for this section ranges from 0 (absence of severity) to 35 (maximum severity).

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

8 participants

Primary outcome timeframe

Change from baseline pre-intervention TWSTRS score to post-intervention within 1 hour of treatment

Results posted on

2016-07-28

Participant Flow

Participant milestones

Participant milestones
Measure
Subject 1
Received rTMS intervention in the following order, each at 0.2Hz for 15 minutes: Primary Motor Cortex Supplemental Motor Area Sham Dorsal Premotor Cortex Anterior Cingulate Cortex
Subject 2
Received rTMS intervention in the following order, each at 0.2Hz for 15 minutes: Anterior Cingulate Cortex Primary Motor Cortex Dorsal Premotor Cortex Sham Supplemental Motor Area
Subject 3
Received rTMS intervention in the following order, each at 0.2Hz for 15 minutes: Dorsal Premotor Cortex Supplemental Motor Area Sham Primary Motor Cortex Anterior Cingulate Cortex
Subject 4
Received rTMS intervention in the following order, each at 0.2Hz for 15 minutes: Supplemental Motor Area Sham Anterior Cingulate Cortex Primary Motor Cortex Dorsal Premotor Cortex
Subject 5
Received rTMS intervention in the following order, each at 0.2Hz for 15 minutes: Sham Dorsal Premotor Cortex Primary Motor Cortex Supplemental Motor Area Anterior Cingulate Cortex
Subject 6
Received rTMS intervention in the following order, each at 0.2Hz for 15 minutes: Anterior Cingulate Cortex Dorsal Premotor Cortex Supplemental Motor Area Sham Primary Motor Cortex
Subject 7
Received rTMS intervention in the following order, each at 0.2Hz for 15 minutes: Sham Primary Motor Cortex Dorsal Premotor Cortex Anterior Cingulate Cortex Supplemental Motor Area
Subject 8
Received rTMS intervention in the following order, each at 0.2Hz for 15 minutes: Anterior Cingulate Cortex Supplemental Motor Area Primary Motor Cortex Sham Dorsal Premotor Cortex
Overall Study
STARTED
1
1
1
1
1
1
1
1
Overall Study
COMPLETED
1
1
1
1
1
1
1
1
Overall Study
NOT COMPLETED
0
0
0
0
0
0
0
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Identification of Optimal Stimulation Site for Cervical Dystonia Symptoms: An Exploratory Study

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Subject 1
n=1 Participants
Received rTMS intervention in the following order, each at 0.2Hz for 15 minutes: Primary Motor Cortex Supplemental Motor Area Sham Dorsal Premotor Cortex Anterior Cingulate Cortex
Subject 2
n=1 Participants
Received rTMS intervention in the following order, each at 0.2Hz for 15 minutes: Anterior Cingulate Cortex Primary Motor Cortex Dorsal Premotor Cortex Sham Supplemental Motor Area
Subject 3
n=1 Participants
Received rTMS intervention in the following order, each at 0.2Hz for 15 minutes: Dorsal Premotor Cortex Supplemental Motor Area Sham Primary Motor Cortex Anterior Cingulate Cortex
Subject 4
n=1 Participants
Received rTMS intervention in the following order, each at 0.2Hz for 15 minutes: Supplemental Motor Area Sham Anterior Cingulate Cortex Primary Motor Cortex Dorsal Premotor Cortex
Subject 5
n=1 Participants
Received rTMS intervention in the following order, each at 0.2Hz for 15 minutes: Sham Dorsal Premotor Cortex Primary Motor Cortex Supplemental Motor Area Anterior Cingulate Cortex
Subject 6
n=1 Participants
Received rTMS intervention in the following order, each at 0.2Hz for 15 minutes: Anterior Cingulate Cortex Dorsal Premotor Cortex Supplemental Motor Area Sham Primary Motor Cortex
Subject 7
n=1 Participants
Received rTMS intervention in the following order, each at 0.2Hz for 15 minutes: Sham Primary Motor Cortex Dorsal Premotor Cortex Anterior Cingulate Cortex Supplemental Motor Area
Subject 8
n=1 Participants
Received rTMS intervention in the following order, each at 0.2Hz for 15 minutes: Anterior Cingulate Cortex Supplemental Motor Area Primary Motor Cortex Sham Dorsal Premotor Cortex
Total
n=8 Participants
Total of all reporting groups
Age, Continuous
33 years
n=93 Participants
60 years
n=4 Participants
67 years
n=27 Participants
31 years
n=483 Participants
55 years
n=36 Participants
41 years
n=10 Participants
65 years
n=115 Participants
72 years
n=40 Participants
53 years
n=8 Participants
Sex: Female, Male
Female
0 Participants
n=93 Participants
0 Participants
n=4 Participants
1 Participants
n=27 Participants
0 Participants
n=483 Participants
1 Participants
n=36 Participants
0 Participants
n=10 Participants
1 Participants
n=115 Participants
0 Participants
n=40 Participants
3 Participants
n=8 Participants
Sex: Female, Male
Male
1 Participants
n=93 Participants
1 Participants
n=4 Participants
0 Participants
n=27 Participants
1 Participants
n=483 Participants
0 Participants
n=36 Participants
1 Participants
n=10 Participants
0 Participants
n=115 Participants
1 Participants
n=40 Participants
5 Participants
n=8 Participants
Region of Enrollment
United States
1 participants
n=93 Participants
1 participants
n=4 Participants
1 participants
n=27 Participants
1 participants
n=483 Participants
1 participants
n=36 Participants
1 participants
n=10 Participants
1 participants
n=115 Participants
1 participants
n=40 Participants
8 participants
n=8 Participants
TWSTRS Severity (Toronto Western Spasmodic Torticollis Rating Scale)
20 units on a scale
n=93 Participants
9 units on a scale
n=4 Participants
8 units on a scale
n=27 Participants
14 units on a scale
n=483 Participants
21 units on a scale
n=36 Participants
20 units on a scale
n=10 Participants
12 units on a scale
n=115 Participants
16 units on a scale
n=40 Participants
15 units on a scale
n=8 Participants
Dorsal Premotor-Motor Cortical Inhibition (DPMi)
213 Percentage
n=93 Participants
127.50 Percentage
n=4 Participants
68.10 Percentage
n=27 Participants
71.60 Percentage
n=483 Participants
NA Percentage
n=36 Participants
NA Percentage
n=10 Participants
67.80 Percentage
n=115 Participants
72.30 Percentage
n=40 Participants
NA Percentage
n=8 Participants
Cortical Silent Period (CSP)
169.10 milliseconds
n=93 Participants
153.70 milliseconds
n=4 Participants
133.28 milliseconds
n=27 Participants
78.10 milliseconds
n=483 Participants
136.92 milliseconds
n=36 Participants
76.24 milliseconds
n=10 Participants
113.16 milliseconds
n=115 Participants
99.76 milliseconds
n=40 Participants
105.03 milliseconds
n=8 Participants

PRIMARY outcome

Timeframe: Change from baseline pre-intervention TWSTRS score to post-intervention within 1 hour of treatment

Toronto Western Spasmodic Torticollis Rating Scale (TWSTRS) was used to assess severity of disease. The score for this section ranges from 0 (absence of severity) to 35 (maximum severity).

Outcome measures

Outcome measures
Measure
Primary Motor Cortex rTMS
n=8 Participants
0.2Hz for 15 minutes
Anterior Cingulate rTMS
n=8 Participants
0.2Hz for 15 minutes:
Dorsal Premotor rTMS
n=8 Participants
0.2Hz for 15 minutes:
Supplemental Motor Area rTMS
n=8 Participants
0.2Hz for 15 minutes:
Sham rTMS
n=8 Participants
0.2Hz for 15 minutes:
Toronto Western Spasmodic Torticollis Rating Scale (TWSTRS)
-3.0 units on a scale
Standard Deviation 4.8
0.25 units on a scale
Standard Deviation 1.7
-2.9 units on a scale
Standard Deviation 3.4
-1.5 units on a scale
Standard Deviation 3.2
-0.5 units on a scale
Standard Deviation 1.1

SECONDARY outcome

Timeframe: Change from baseline dPMI to post-intervention within 1 hour of treatment

Population: two subjects did not have dPMI measured

Outcome measures

Outcome measures
Measure
Primary Motor Cortex rTMS
n=6 Participants
0.2Hz for 15 minutes
Anterior Cingulate rTMS
n=6 Participants
0.2Hz for 15 minutes:
Dorsal Premotor rTMS
n=6 Participants
0.2Hz for 15 minutes:
Supplemental Motor Area rTMS
n=6 Participants
0.2Hz for 15 minutes:
Sham rTMS
n=6 Participants
0.2Hz for 15 minutes:
Dorsal Premotor-motor Inhibition (dPMI)
57.50 percentage
Standard Deviation 40.5
2.10 percentage
Standard Deviation 24.5
21.08 percentage
Standard Deviation 42.5
32.21 percentage
Standard Deviation 53.5
19.71 percentage
Standard Deviation 80

SECONDARY outcome

Timeframe: Assessment completed immediately after rTMS treatment session

This measure will confirm the intervention tolerability by the patient. He/she scored the tolerability from 0-10, 0 being "completely tolerable" and 10 "completely intolerable."

Outcome measures

Outcome measures
Measure
Primary Motor Cortex rTMS
n=8 Participants
0.2Hz for 15 minutes
Anterior Cingulate rTMS
n=8 Participants
0.2Hz for 15 minutes:
Dorsal Premotor rTMS
n=8 Participants
0.2Hz for 15 minutes:
Supplemental Motor Area rTMS
n=8 Participants
0.2Hz for 15 minutes:
Sham rTMS
n=8 Participants
0.2Hz for 15 minutes:
Composite Measure of Patient Rating of Symptoms and Tolerability
1.6 units on a scale
Standard Deviation 1.8
1.6 units on a scale
Standard Deviation 2.8
1.5 units on a scale
Standard Deviation 2.7
0.9 units on a scale
Standard Deviation 1.1
0.8 units on a scale
Standard Deviation 1.0

Adverse Events

Subject 1

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

Subject 2

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

Subject 3

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

Subject 4

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

Subject 5

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

Subject 6

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

Subject 7

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

Subject 8

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. Sarah Pirio Richardson, MD

The University of New Mexico Health Sciences Center

Phone: 505-272-3342

Results disclosure agreements

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