Trial Outcomes & Findings for Use of Repetitive Transcranial Magnetic Stimulation to Augment Hypnotic Analgesia (NCT NCT02969707)
NCT ID: NCT02969707
Last Updated: 2024-12-20
Results Overview
Functional MRI (fMRI) measures changes in oxygenated blood in the brain; at rest these levels fluctuate over time. These fluctuations can be similar between different brain regions. FC is the similarity in fluctuations of these fMRI signals and suggests how strongly two regions communicate with each other. We measured how inhibitory continuous theta-burst stimulation (cTBS) over L-DLPFC changes FC between L-DLPFC and dACC. This was done by estimating z-transformed correlation coefficients (CC) for each voxel (-1 to 1) between the L-DLPFC and dACC pre and post cTBS intervention. Negative FC was assigned to voxels with a weight \< 0, positive FC to voxels with weight\> 0. Total FC includes positive and negative voxels. The change in FC is regarded as the change in the sum of these weighted voxels from pre to post cTBS for total, positive and negative FC, respectively. Greater sums of voxels correspond to more significant levels of coordinated activity (positive, negative, or total).
COMPLETED
NA
101 participants
Baseline and at 15-20 min post-TMS (up to 30 min)
2024-12-20
Participant Flow
1,058 individuals completed the online interest survey; 157 completed in-person screening, and 101 were randomized to a study arm.
Participant milestones
| Measure |
Active rTMS
The active group received active repetitive Transcranial Magnetic Stimulation
Active repetitive Transcranial Magnetic Stimulation: The investigators performed two applications of 40s of continuous theta-burst stimulation (cTBS) form of rTMS at 80% resting motor threshold (previously determined), with a 15 minute intersession interval. The standardized treatment location for the left dorsolateral prefrontal cortex (DLPFC) was determined by Localite Neuronavigation and targeted at the posterior middle frontal gyrus. The baseline structural scan obtained during the scan 1 was utilized for this localization process. rTMS was delivered using a MagPro TMS system (MagVenture, Denmark).
|
Sham rTMS
The sham repetitive Transcranial Magnetic Stimulation group had the stimulation blocked.
Sham repetitive Transcranial Magnetic Stimulation: This was identical to active rTMS except the stimulation was blocked. Both active and sham repetitive Transcranial Magnetic Stimulation received simulation from a specially designed coil which is capable of delivering either active rTMS or sham rTMS in a manner, which is randomized by the system itself and therefore blinded to the treater. Sham rTMS was delivered using a MagPro TMS system (MagVenture, Denmark).
|
|---|---|---|
|
Overall Study
STARTED
|
49
|
52
|
|
Overall Study
Received Intervention
|
40
|
40
|
|
Overall Study
Completed Pain Evaluation Study Day
|
41
|
44
|
|
Overall Study
Completed Mechanistic Evaluation Study Day
|
40
|
40
|
|
Overall Study
COMPLETED
|
40
|
40
|
|
Overall Study
NOT COMPLETED
|
9
|
12
|
Reasons for withdrawal
| Measure |
Active rTMS
The active group received active repetitive Transcranial Magnetic Stimulation
Active repetitive Transcranial Magnetic Stimulation: The investigators performed two applications of 40s of continuous theta-burst stimulation (cTBS) form of rTMS at 80% resting motor threshold (previously determined), with a 15 minute intersession interval. The standardized treatment location for the left dorsolateral prefrontal cortex (DLPFC) was determined by Localite Neuronavigation and targeted at the posterior middle frontal gyrus. The baseline structural scan obtained during the scan 1 was utilized for this localization process. rTMS was delivered using a MagPro TMS system (MagVenture, Denmark).
|
Sham rTMS
The sham repetitive Transcranial Magnetic Stimulation group had the stimulation blocked.
Sham repetitive Transcranial Magnetic Stimulation: This was identical to active rTMS except the stimulation was blocked. Both active and sham repetitive Transcranial Magnetic Stimulation received simulation from a specially designed coil which is capable of delivering either active rTMS or sham rTMS in a manner, which is randomized by the system itself and therefore blinded to the treater. Sham rTMS was delivered using a MagPro TMS system (MagVenture, Denmark).
|
|---|---|---|
|
Overall Study
Withdrawal by Subject
|
6
|
5
|
|
Overall Study
Severe anxiety
|
0
|
1
|
|
Overall Study
Positive toxicology screen
|
0
|
2
|
|
Overall Study
Claustrophobia
|
2
|
2
|
|
Overall Study
Non-compliance
|
1
|
2
|
Baseline Characteristics
Use of Repetitive Transcranial Magnetic Stimulation to Augment Hypnotic Analgesia
Baseline characteristics by cohort
| Measure |
Active rTMS
n=49 Participants
The active group received active repetitive Transcranial Magnetic Stimulation
Active repetitive Transcranial Magnetic Stimulation: The investigators performed two applications of 40s of continuous theta-burst stimulation (cTBS) form of rTMS at 80% resting motor threshold (previously determined), with a 15 minute intersession interval. The standardized treatment location for the left DLPFC was determined by Localite Neuronavigation and targeted at the posterior middle frontal gyrus. The baseline structural scan obtained during the scan 1 was utilized for this localization process. rTMS was delivered using a MagPro TMS system (MagVenture, Denmark).
|
Sham rTMS
n=52 Participants
The sham repetitive Transcranial Magnetic Stimulation group had the stimulation blocked.
Sham repetitive Transcranial Magnetic Stimulation: This was identical to active rTMS except the stimulation was blocked. Both active and sham repetitive Transcranial Magnetic Stimulation received simulation from a specially designed coil which is capable of delivering either active rTMS or sham rTMS in a manner, which is randomized by the system itself and therefore blinded to the treater. Sham rTMS was delivered using a MagPro TMS system (MagVenture, Denmark).
|
Total
n=101 Participants
Total of all reporting groups
|
|---|---|---|---|
|
Age, Categorical
<=18 years
|
0 Participants
n=5 Participants
|
1 Participants
n=7 Participants
|
1 Participants
n=5 Participants
|
|
Age, Categorical
Between 18 and 65 years
|
47 Participants
n=5 Participants
|
50 Participants
n=7 Participants
|
97 Participants
n=5 Participants
|
|
Age, Categorical
>=65 years
|
2 Participants
n=5 Participants
|
1 Participants
n=7 Participants
|
3 Participants
n=5 Participants
|
|
Age, Continuous
|
48.9 years
STANDARD_DEVIATION 12.8 • n=5 Participants
|
50 years
STANDARD_DEVIATION 11.6 • n=7 Participants
|
49.47 years
STANDARD_DEVIATION 12.15 • n=5 Participants
|
|
Sex: Female, Male
Female
|
48 Participants
n=5 Participants
|
48 Participants
n=7 Participants
|
96 Participants
n=5 Participants
|
|
Sex: Female, Male
Male
|
1 Participants
n=5 Participants
|
4 Participants
n=7 Participants
|
5 Participants
n=5 Participants
|
|
Race (NIH/OMB)
American Indian or Alaska Native
|
1 Participants
n=5 Participants
|
1 Participants
n=7 Participants
|
2 Participants
n=5 Participants
|
|
Race (NIH/OMB)
Asian
|
3 Participants
n=5 Participants
|
1 Participants
n=7 Participants
|
4 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
|
0 Participants
n=5 Participants
|
0 Participants
n=7 Participants
|
0 Participants
n=5 Participants
|
|
Race (NIH/OMB)
White
|
35 Participants
n=5 Participants
|
40 Participants
n=7 Participants
|
75 Participants
n=5 Participants
|
|
Race (NIH/OMB)
More than one race
|
5 Participants
n=5 Participants
|
1 Participants
n=7 Participants
|
6 Participants
n=5 Participants
|
|
Race (NIH/OMB)
Unknown or Not Reported
|
5 Participants
n=5 Participants
|
9 Participants
n=7 Participants
|
14 Participants
n=5 Participants
|
|
Region of Enrollment
United States
|
49 participants
n=5 Participants
|
52 participants
n=7 Participants
|
101 participants
n=5 Participants
|
PRIMARY outcome
Timeframe: Baseline and at 15-20 min post-TMS (up to 30 min)Population: Participants with resting-state scans for both pre and post-TMS conditions that passed QC and motion-based scan inclusion criteria; outlier data were excluded.
Functional MRI (fMRI) measures changes in oxygenated blood in the brain; at rest these levels fluctuate over time. These fluctuations can be similar between different brain regions. FC is the similarity in fluctuations of these fMRI signals and suggests how strongly two regions communicate with each other. We measured how inhibitory continuous theta-burst stimulation (cTBS) over L-DLPFC changes FC between L-DLPFC and dACC. This was done by estimating z-transformed correlation coefficients (CC) for each voxel (-1 to 1) between the L-DLPFC and dACC pre and post cTBS intervention. Negative FC was assigned to voxels with a weight \< 0, positive FC to voxels with weight\> 0. Total FC includes positive and negative voxels. The change in FC is regarded as the change in the sum of these weighted voxels from pre to post cTBS for total, positive and negative FC, respectively. Greater sums of voxels correspond to more significant levels of coordinated activity (positive, negative, or total).
Outcome measures
| Measure |
Active rTMS
n=26 Participants
The active group received active repetitive Transcranial Magnetic Stimulation
Active repetitive Transcranial Magnetic Stimulation: The investigators performed two applications of 40s of continuous theta-burst stimulation (cTBS) form of rTMS at 80% resting motor threshold (previously determined), with a 15 minute intersession interval. The standardized treatment location for the left DLPFC was determined by Localite Neuronavigation and targeted at the posterior middle frontal gyrus. The baseline structural scan obtained during the scan 1 was utilized for this localization process. rTMS was delivered using a MagPro TMS system (MagVenture, Denmark).utilized for this localization process. rTMS will be delivered using a MagPro TMS system (MagVenture, Denmark).
|
Sham rTMS
n=30 Participants
The sham repetitive Transcranial Magnetic Stimulation group had the stimulation blocked.
Sham repetitive Transcranial Magnetic Stimulation: This was identical to active rTMS except the stimulation was blocked. Both active and sham repetitive Transcranial Magnetic Stimulation received simulation from a specially designed coil which is capable of delivering either active rTMS or sham rTMS in a manner, which is randomized by the system itself and therefore blinded to the treater. Sham rTMS was delivered using a MagPro TMS system (MagVenture, Denmark).
|
|---|---|---|
|
The Change in Functional Connectivity (FC) Between the Left Dorsolateral Prefrontal Cortex (L-DLPFC) and the Dorsal Anterior Cingulate Cortex (dACC)
Change in sum of positive z-transformed CC.
|
61.98 Z-transformed CC
Standard Error 21.63
|
4.16 Z-transformed CC
Standard Error 16.43
|
|
The Change in Functional Connectivity (FC) Between the Left Dorsolateral Prefrontal Cortex (L-DLPFC) and the Dorsal Anterior Cingulate Cortex (dACC)
Change in sum of negative z-transformed CC.
|
-21.41 Z-transformed CC
Standard Error 16.8
|
-13.22 Z-transformed CC
Standard Error 16.8
|
|
The Change in Functional Connectivity (FC) Between the Left Dorsolateral Prefrontal Cortex (L-DLPFC) and the Dorsal Anterior Cingulate Cortex (dACC)
Change in sum of all z-transformed CC.
|
40.56 Z-transformed CC
Standard Error 32.34
|
-9.06 Z-transformed CC
Standard Error 28.25
|
SECONDARY outcome
Timeframe: Baseline and 2 hoursPopulation: During the study, data were not collected using interleaved TMS-BOLD, as originally planned.
Blood oxygen level dependent (BOLD) signal and interleaved TMS-BOLD analyses will be used to determine the effect of active, inhibitory rTMS (cTBS) over L-DLPFC on modulating the neural network that underlies hypnotic intensity.
Outcome measures
Outcome data not reported
SECONDARY outcome
Timeframe: Baseline and Immediately post rTMS (up to 30 min)Population: Participants with available data are included in the analysis
The investigators used the Hypnotic Induction Profile (HIP) to determine the effect of active, inhibitory rTMS (cTBS) over L-DLPFC on enhancing hypnotizability. HIP scores range from 0 to 10 (low to high hypnotizability).
Outcome measures
| Measure |
Active rTMS
n=40 Participants
The active group received active repetitive Transcranial Magnetic Stimulation
Active repetitive Transcranial Magnetic Stimulation: The investigators performed two applications of 40s of continuous theta-burst stimulation (cTBS) form of rTMS at 80% resting motor threshold (previously determined), with a 15 minute intersession interval. The standardized treatment location for the left DLPFC was determined by Localite Neuronavigation and targeted at the posterior middle frontal gyrus. The baseline structural scan obtained during the scan 1 was utilized for this localization process. rTMS was delivered using a MagPro TMS system (MagVenture, Denmark).utilized for this localization process. rTMS will be delivered using a MagPro TMS system (MagVenture, Denmark).
|
Sham rTMS
n=40 Participants
The sham repetitive Transcranial Magnetic Stimulation group had the stimulation blocked.
Sham repetitive Transcranial Magnetic Stimulation: This was identical to active rTMS except the stimulation was blocked. Both active and sham repetitive Transcranial Magnetic Stimulation received simulation from a specially designed coil which is capable of delivering either active rTMS or sham rTMS in a manner, which is randomized by the system itself and therefore blinded to the treater. Sham rTMS was delivered using a MagPro TMS system (MagVenture, Denmark).
|
|---|---|---|
|
Change in Hypnotic Induction Profile Score
|
.63 score on a scale
Standard Deviation 1.18
|
.31 score on a scale
Standard Deviation 1.67
|
SECONDARY outcome
Timeframe: Baseline and immediately post rTMS (up to 2 hrs)Population: Participants who completed the protocol and completed HIS ratings are included in the analysis.
The investigators used the Hypnotic Intensity Scale (HIS) to determine the effect of active, inhibitory rTMS (cTBS) over L-DLPFC on enhancing hypnotic intensity. HIS scores range from 0 to 10 (low to high hypnotic intensity).
Outcome measures
| Measure |
Active rTMS
n=40 Participants
The active group received active repetitive Transcranial Magnetic Stimulation
Active repetitive Transcranial Magnetic Stimulation: The investigators performed two applications of 40s of continuous theta-burst stimulation (cTBS) form of rTMS at 80% resting motor threshold (previously determined), with a 15 minute intersession interval. The standardized treatment location for the left DLPFC was determined by Localite Neuronavigation and targeted at the posterior middle frontal gyrus. The baseline structural scan obtained during the scan 1 was utilized for this localization process. rTMS was delivered using a MagPro TMS system (MagVenture, Denmark).utilized for this localization process. rTMS will be delivered using a MagPro TMS system (MagVenture, Denmark).
|
Sham rTMS
n=39 Participants
The sham repetitive Transcranial Magnetic Stimulation group had the stimulation blocked.
Sham repetitive Transcranial Magnetic Stimulation: This was identical to active rTMS except the stimulation was blocked. Both active and sham repetitive Transcranial Magnetic Stimulation received simulation from a specially designed coil which is capable of delivering either active rTMS or sham rTMS in a manner, which is randomized by the system itself and therefore blinded to the treater. Sham rTMS was delivered using a MagPro TMS system (MagVenture, Denmark).
|
|---|---|---|
|
Change in The Hypnosis Intensity Scale
|
.475 score on a scale
Standard Deviation 2.242
|
-.128 score on a scale
Standard Deviation 1.490
|
SECONDARY outcome
Timeframe: Baseline and at 15-20 min post-TMS (up to 30 min)Population: Population consisted of patients with fibromyalgia who underwent either active or sham cTBS either in combination with hypnosis or without it. Participants were excluded from the original sample for 1) fMRI imaging problems, 2) missing data. For the analyses below additional outliers were excluded on a test by test basis.
We examined the effect of active, inhibitory cTBS over L-DLPFC on functional connectivity (FC) in key nodes in the neural network underlying the conflict regulation system. FC between each voxel in the L-DLPFC and the entire dACC was established by estimating z-transformed correlation coefficients (CC) for each voxel (-1 to 1) pre and post cTBS intervention. This paradigm was also used for voxels in the Default Mode Network (DMN) (Schaefer, 2018; Yeo, 2011) to the entire right inferior frontal gyrus (rIFG). Negative FC was assigned to voxels with a weight \< 0, positive FC to voxels with weight \> 0. Total FC includes positive and negative voxels. The change in FC is regarded as the change in the sum of these weighted voxels from pre to post cTBS for total, positive and negative FC, respectively. Greater sums of voxels correspond to more significant levels of coordinated activity (positive, negative, or total).
Outcome measures
| Measure |
Active rTMS
n=25 Participants
The active group received active repetitive Transcranial Magnetic Stimulation
Active repetitive Transcranial Magnetic Stimulation: The investigators performed two applications of 40s of continuous theta-burst stimulation (cTBS) form of rTMS at 80% resting motor threshold (previously determined), with a 15 minute intersession interval. The standardized treatment location for the left DLPFC was determined by Localite Neuronavigation and targeted at the posterior middle frontal gyrus. The baseline structural scan obtained during the scan 1 was utilized for this localization process. rTMS was delivered using a MagPro TMS system (MagVenture, Denmark).utilized for this localization process. rTMS will be delivered using a MagPro TMS system (MagVenture, Denmark).
|
Sham rTMS
n=24 Participants
The sham repetitive Transcranial Magnetic Stimulation group had the stimulation blocked.
Sham repetitive Transcranial Magnetic Stimulation: This was identical to active rTMS except the stimulation was blocked. Both active and sham repetitive Transcranial Magnetic Stimulation received simulation from a specially designed coil which is capable of delivering either active rTMS or sham rTMS in a manner, which is randomized by the system itself and therefore blinded to the treater. Sham rTMS was delivered using a MagPro TMS system (MagVenture, Denmark).
|
|---|---|---|
|
The Change in Functional Connectivity (FC) Within The Neural Network Underlying Conflict Regulation.
Change in sum of all z-transformed CC in L-DLPFC.
|
0.01 Z-transformed CC
Standard Deviation 0.14
|
-0.003 Z-transformed CC
Standard Deviation 0.13
|
|
The Change in Functional Connectivity (FC) Within The Neural Network Underlying Conflict Regulation.
Change in sum of positive z-transformed CC in L-DLPFC.
|
33.76 Z-transformed CC
Standard Deviation 136.5
|
6.39 Z-transformed CC
Standard Deviation 99.82
|
|
The Change in Functional Connectivity (FC) Within The Neural Network Underlying Conflict Regulation.
Change in sum of negative z-transformed CC in L-DLPFC.
|
-20.36 Z-transformed CC
Standard Deviation 88.88
|
-10.11 Z-transformed CC
Standard Deviation 96.55
|
|
The Change in Functional Connectivity (FC) Within The Neural Network Underlying Conflict Regulation.
Change in sum of all z-transformed CC in DMN.
|
0.004 Z-transformed CC
Standard Deviation 0.05
|
-0.01 Z-transformed CC
Standard Deviation 0.05
|
|
The Change in Functional Connectivity (FC) Within The Neural Network Underlying Conflict Regulation.
Change in sum of positive z-transformed CC in DMN.
|
-31.20 Z-transformed CC
Standard Deviation 137.73
|
21.12 Z-transformed CC
Standard Deviation 153.54
|
|
The Change in Functional Connectivity (FC) Within The Neural Network Underlying Conflict Regulation.
Change in sum of negative z-transformed CC in DMN.
|
51.35 Z-transformed CC
Standard Deviation 243.68
|
-67.65 Z-transformed CC
Standard Deviation 219.05
|
SECONDARY outcome
Timeframe: Baseline and at 15-20 min post-TMS (up to 30 min)Population: Population consisted of patients with fibromyalgia who underwent either active or sham cTBS either in combination with hypnosis or without it. Participants were excluded from the original sample for 1) poor Stroop task performance, 2) fMRI imaging problems, 3) missing data. For the analyses below additional outliers were excluded on a test by test basis.
Stroop effect is measured by the response time of a participant during the stroop task. Increases in response time indicate increased stroop effect (SE) and vice versa.
Outcome measures
| Measure |
Active rTMS
n=23 Participants
The active group received active repetitive Transcranial Magnetic Stimulation
Active repetitive Transcranial Magnetic Stimulation: The investigators performed two applications of 40s of continuous theta-burst stimulation (cTBS) form of rTMS at 80% resting motor threshold (previously determined), with a 15 minute intersession interval. The standardized treatment location for the left DLPFC was determined by Localite Neuronavigation and targeted at the posterior middle frontal gyrus. The baseline structural scan obtained during the scan 1 was utilized for this localization process. rTMS was delivered using a MagPro TMS system (MagVenture, Denmark).utilized for this localization process. rTMS will be delivered using a MagPro TMS system (MagVenture, Denmark).
|
Sham rTMS
n=24 Participants
The sham repetitive Transcranial Magnetic Stimulation group had the stimulation blocked.
Sham repetitive Transcranial Magnetic Stimulation: This was identical to active rTMS except the stimulation was blocked. Both active and sham repetitive Transcranial Magnetic Stimulation received simulation from a specially designed coil which is capable of delivering either active rTMS or sham rTMS in a manner, which is randomized by the system itself and therefore blinded to the treater. Sham rTMS was delivered using a MagPro TMS system (MagVenture, Denmark).
|
|---|---|---|
|
The Change in Stroop Performance
Mean difference in change in Stroop effect (s) without hypnosis (TMS - no TMS) condition.
|
0.01 Seconds
Standard Deviation 0.1
|
-0.02 Seconds
Standard Deviation 0.082
|
|
The Change in Stroop Performance
Mean difference in change in Stroop effect (s) with hypnosis (TMS - no TMS) condition.
|
-0.04 Seconds
Standard Deviation 0.12
|
-0.009 Seconds
Standard Deviation .10
|
SECONDARY outcome
Timeframe: Baseline and at 15-20 min post-TMS (up to 30 min)Population: Subjects who had pre and post TMS resting-state fMRI scans that passed QC and motion-based inclusion criteria
Active, inhibitory cTBS effect over L-DLPFC on the neural network that underlies the hypnotic Stroop modulation effect was determined by first estimating the average of connectivity weights for all parcel pairs linking Ventral Attentional Network (VAN) to the DMN. Parcels are determined by extracting mean resting state BOLD time-series for each region of the Schaefer 100 parcellation. A correlation matrix between all parcels is created and FC weights for each pair are established by estimating z-transformed correlation coefficients (CC) (-1 to 1). Each parcel pair is then assigned to one of the 7 resting state networks defined by Yeo et al., (2011). Negative FC is defined for parcel pairs with a weight \< 0, positive FC pairs with weight \> 0 and total FC includes all pairs. FC is thus the average value between parcel pairs in the DMN and VAN pre/post TMS. Greater sums of weighted pairs correspond to more significant levels of coordinated activity (positive, negative, or total).
Outcome measures
| Measure |
Active rTMS
n=27 Participants
The active group received active repetitive Transcranial Magnetic Stimulation
Active repetitive Transcranial Magnetic Stimulation: The investigators performed two applications of 40s of continuous theta-burst stimulation (cTBS) form of rTMS at 80% resting motor threshold (previously determined), with a 15 minute intersession interval. The standardized treatment location for the left DLPFC was determined by Localite Neuronavigation and targeted at the posterior middle frontal gyrus. The baseline structural scan obtained during the scan 1 was utilized for this localization process. rTMS was delivered using a MagPro TMS system (MagVenture, Denmark).utilized for this localization process. rTMS will be delivered using a MagPro TMS system (MagVenture, Denmark).
|
Sham rTMS
n=30 Participants
The sham repetitive Transcranial Magnetic Stimulation group had the stimulation blocked.
Sham repetitive Transcranial Magnetic Stimulation: This was identical to active rTMS except the stimulation was blocked. Both active and sham repetitive Transcranial Magnetic Stimulation received simulation from a specially designed coil which is capable of delivering either active rTMS or sham rTMS in a manner, which is randomized by the system itself and therefore blinded to the treater. Sham rTMS was delivered using a MagPro TMS system (MagVenture, Denmark).
|
|---|---|---|
|
Stroop Task
|
-0.026 Z-transformed CC
Standard Error 0.0265
|
0.155 Z-transformed CC
Standard Error 0.0297
|
SECONDARY outcome
Timeframe: Baseline and at 15-20 min post-TMS (up to 1 hr)Population: Population consisted of patients with fibromyalgia who underwent either active or sham cTBS either in combination with hypnosis or without it. Participants were excluded from the original sample for 1) poor Stroop task performance, 2) fMRI imaging problems, 3) missing data. Subjects who had pre and post TMS resting-state fMRI scans that passed QC and motion-based inclusion criteria were included.
Spearman's correlation was used to determine the linear relationship between the response time taken to answer incongruent Stroop task blocks (a measure of Stroop performance) and the change the resting-state network FC between the VAN and the DMN when no hypnosis intervention was implemented.
Outcome measures
| Measure |
Active rTMS
n=27 Participants
The active group received active repetitive Transcranial Magnetic Stimulation
Active repetitive Transcranial Magnetic Stimulation: The investigators performed two applications of 40s of continuous theta-burst stimulation (cTBS) form of rTMS at 80% resting motor threshold (previously determined), with a 15 minute intersession interval. The standardized treatment location for the left DLPFC was determined by Localite Neuronavigation and targeted at the posterior middle frontal gyrus. The baseline structural scan obtained during the scan 1 was utilized for this localization process. rTMS was delivered using a MagPro TMS system (MagVenture, Denmark).utilized for this localization process. rTMS will be delivered using a MagPro TMS system (MagVenture, Denmark).
|
Sham rTMS
n=30 Participants
The sham repetitive Transcranial Magnetic Stimulation group had the stimulation blocked.
Sham repetitive Transcranial Magnetic Stimulation: This was identical to active rTMS except the stimulation was blocked. Both active and sham repetitive Transcranial Magnetic Stimulation received simulation from a specially designed coil which is capable of delivering either active rTMS or sham rTMS in a manner, which is randomized by the system itself and therefore blinded to the treater. Sham rTMS was delivered using a MagPro TMS system (MagVenture, Denmark).
|
|---|---|---|
|
Linear Relationship Between the Change in FC of the VAN to the DMN and the Change in Stroop Performance (Correlation Coefficient) With no Hypnosis Intervention.
|
0.18 Correlation Coefficient
|
-0.58 Correlation Coefficient
|
SECONDARY outcome
Timeframe: Baseline and at 15-20 min post-TMS (up to 1 hr)Population: Population consisted of patients with fibromyalgia who underwent either active or sham cTBS either in combination with hypnosis or without it. Participants were excluded from the original sample for 1) poor Stroop task performance, 2) fMRI imaging problems, 3) missing data. Subjects who had pre and post TMS resting-state fMRI scans that passed QC and motion-based inclusion criteria were included.
Spearman's correlation was used to determine the linear relationship between the response time taken to answer incongruent Stroop task blocks (a measure of Stroop performance) and the change the resting-state network FC between the VAN and the DMN when the hypnosis intervention was implemented.
Outcome measures
| Measure |
Active rTMS
n=27 Participants
The active group received active repetitive Transcranial Magnetic Stimulation
Active repetitive Transcranial Magnetic Stimulation: The investigators performed two applications of 40s of continuous theta-burst stimulation (cTBS) form of rTMS at 80% resting motor threshold (previously determined), with a 15 minute intersession interval. The standardized treatment location for the left DLPFC was determined by Localite Neuronavigation and targeted at the posterior middle frontal gyrus. The baseline structural scan obtained during the scan 1 was utilized for this localization process. rTMS was delivered using a MagPro TMS system (MagVenture, Denmark).utilized for this localization process. rTMS will be delivered using a MagPro TMS system (MagVenture, Denmark).
|
Sham rTMS
n=30 Participants
The sham repetitive Transcranial Magnetic Stimulation group had the stimulation blocked.
Sham repetitive Transcranial Magnetic Stimulation: This was identical to active rTMS except the stimulation was blocked. Both active and sham repetitive Transcranial Magnetic Stimulation received simulation from a specially designed coil which is capable of delivering either active rTMS or sham rTMS in a manner, which is randomized by the system itself and therefore blinded to the treater. Sham rTMS was delivered using a MagPro TMS system (MagVenture, Denmark).
|
|---|---|---|
|
Linear Relationship Between the Change in FC of the VAN to the DMN and the Change in Stroop Performance (Correlation Coefficient) With Hypnosis Intervention.
|
0.16 Correlation Coefficient
|
0.16 Correlation Coefficient
|
SECONDARY outcome
Timeframe: Baseline and at 15-20 min post-TMS (up to 1 hr)Population: Population consisted of patients with fibromyalgia who underwent either active or sham cTBS either in combination with hypnosis or without it. Participants were excluded from the original sample for 1) poor Stroop task performance, 2) fMRI imaging problems, 3) missing data. Subjects who had pre and post TMS resting-state fMRI scans that passed QC and motion-based inclusion criteria were included.
Spearman's correlation was used to determine the linear relationship between the Stroop interference and the change the resting-state network FC between the VAN and the DMN when no hypnosis intervention was implemented. In psychology, the Stroop effect is the delay in reaction time between congruent and incongruent stimuli.
Outcome measures
| Measure |
Active rTMS
n=27 Participants
The active group received active repetitive Transcranial Magnetic Stimulation
Active repetitive Transcranial Magnetic Stimulation: The investigators performed two applications of 40s of continuous theta-burst stimulation (cTBS) form of rTMS at 80% resting motor threshold (previously determined), with a 15 minute intersession interval. The standardized treatment location for the left DLPFC was determined by Localite Neuronavigation and targeted at the posterior middle frontal gyrus. The baseline structural scan obtained during the scan 1 was utilized for this localization process. rTMS was delivered using a MagPro TMS system (MagVenture, Denmark).utilized for this localization process. rTMS will be delivered using a MagPro TMS system (MagVenture, Denmark).
|
Sham rTMS
n=30 Participants
The sham repetitive Transcranial Magnetic Stimulation group had the stimulation blocked.
Sham repetitive Transcranial Magnetic Stimulation: This was identical to active rTMS except the stimulation was blocked. Both active and sham repetitive Transcranial Magnetic Stimulation received simulation from a specially designed coil which is capable of delivering either active rTMS or sham rTMS in a manner, which is randomized by the system itself and therefore blinded to the treater. Sham rTMS was delivered using a MagPro TMS system (MagVenture, Denmark).
|
|---|---|---|
|
Linear Relationship Between the Change in FC of the VAN to the DMN and the Change in Stroop Interference (Correlation Coefficient) With no Hypnosis Intervention.
|
0.24 Correlation Coefficient
|
-0.44 Correlation Coefficient
|
SECONDARY outcome
Timeframe: Baseline and at 15-20 min post-TMS (up to 1 hr)Population: Population consisted of patients with fibromyalgia who underwent either active or sham cTBS either in combination with hypnosis or without it. Participants were excluded from the original sample for 1) poor Stroop task performance, 2) fMRI imaging problems, 3) missing data. Subjects who had pre and post TMS resting-state fMRI scans that passed QC and motion-based inclusion criteria were included.
Spearman's correlation was used to determine the linear relationship between the Stroop interference and the change the resting-state network FC between the VAN and the DMN when the hypnosis intervention was implemented. In psychology, the Stroop effect is the delay in reaction time between congruent and incongruent stimuli.
Outcome measures
| Measure |
Active rTMS
n=27 Participants
The active group received active repetitive Transcranial Magnetic Stimulation
Active repetitive Transcranial Magnetic Stimulation: The investigators performed two applications of 40s of continuous theta-burst stimulation (cTBS) form of rTMS at 80% resting motor threshold (previously determined), with a 15 minute intersession interval. The standardized treatment location for the left DLPFC was determined by Localite Neuronavigation and targeted at the posterior middle frontal gyrus. The baseline structural scan obtained during the scan 1 was utilized for this localization process. rTMS was delivered using a MagPro TMS system (MagVenture, Denmark).utilized for this localization process. rTMS will be delivered using a MagPro TMS system (MagVenture, Denmark).
|
Sham rTMS
n=30 Participants
The sham repetitive Transcranial Magnetic Stimulation group had the stimulation blocked.
Sham repetitive Transcranial Magnetic Stimulation: This was identical to active rTMS except the stimulation was blocked. Both active and sham repetitive Transcranial Magnetic Stimulation received simulation from a specially designed coil which is capable of delivering either active rTMS or sham rTMS in a manner, which is randomized by the system itself and therefore blinded to the treater. Sham rTMS was delivered using a MagPro TMS system (MagVenture, Denmark).
|
|---|---|---|
|
Linear Relationship Between the Change in FC of the VAN to the DMN and the Change in Stroop Interference (Correlation Coefficient) With Hypnosis Intervention.
|
0.07 Correlation Coefficient
|
0.28 Correlation Coefficient
|
SECONDARY outcome
Timeframe: Baseline and immediately post-rTMS (up to 30 minutes)Population: Participants with available data are included in the analysis
To determine the effect of active, inhibitory rTMS (cTBS) over L-DLPFC on modulating the neural network that underlies hypnotic analgesia (HA). Numeric Pain Rating Scale scores range from 0 to 10 (low to high pain intensity).
Outcome measures
| Measure |
Active rTMS
n=38 Participants
The active group received active repetitive Transcranial Magnetic Stimulation
Active repetitive Transcranial Magnetic Stimulation: The investigators performed two applications of 40s of continuous theta-burst stimulation (cTBS) form of rTMS at 80% resting motor threshold (previously determined), with a 15 minute intersession interval. The standardized treatment location for the left DLPFC was determined by Localite Neuronavigation and targeted at the posterior middle frontal gyrus. The baseline structural scan obtained during the scan 1 was utilized for this localization process. rTMS was delivered using a MagPro TMS system (MagVenture, Denmark).utilized for this localization process. rTMS will be delivered using a MagPro TMS system (MagVenture, Denmark).
|
Sham rTMS
n=42 Participants
The sham repetitive Transcranial Magnetic Stimulation group had the stimulation blocked.
Sham repetitive Transcranial Magnetic Stimulation: This was identical to active rTMS except the stimulation was blocked. Both active and sham repetitive Transcranial Magnetic Stimulation received simulation from a specially designed coil which is capable of delivering either active rTMS or sham rTMS in a manner, which is randomized by the system itself and therefore blinded to the treater. Sham rTMS was delivered using a MagPro TMS system (MagVenture, Denmark).
|
|---|---|---|
|
Change in the Numeric Pain Rating Scale
Non-hypnosis condition
|
-0.13 mean change of scores on a scale
Standard Error 0.20
|
0.19 mean change of scores on a scale
Standard Error 0.19
|
|
Change in the Numeric Pain Rating Scale
Hypnosis condition
|
-0.09 mean change of scores on a scale
Standard Error 0.20
|
-0.05 mean change of scores on a scale
Standard Error 0.19
|
SECONDARY outcome
Timeframe: Baseline and immediately post-rTMS (up to 30 min)Population: Participants who completed the protocol and completed all items of the SOARS are included in the analysis.
The investigators used the Sense of Agency Rating Scale (SOARS) to determine the effect of active, inhibitory rTMS (cTBS) over L-DLPFC on altering the subjective sense of agency during hypnotizability. SOARS scores are calculated for Involuntariness and Effortlessness, each range from 0 to 35 (low to high).
Outcome measures
| Measure |
Active rTMS
n=35 Participants
The active group received active repetitive Transcranial Magnetic Stimulation
Active repetitive Transcranial Magnetic Stimulation: The investigators performed two applications of 40s of continuous theta-burst stimulation (cTBS) form of rTMS at 80% resting motor threshold (previously determined), with a 15 minute intersession interval. The standardized treatment location for the left DLPFC was determined by Localite Neuronavigation and targeted at the posterior middle frontal gyrus. The baseline structural scan obtained during the scan 1 was utilized for this localization process. rTMS was delivered using a MagPro TMS system (MagVenture, Denmark).utilized for this localization process. rTMS will be delivered using a MagPro TMS system (MagVenture, Denmark).
|
Sham rTMS
n=33 Participants
The sham repetitive Transcranial Magnetic Stimulation group had the stimulation blocked.
Sham repetitive Transcranial Magnetic Stimulation: This was identical to active rTMS except the stimulation was blocked. Both active and sham repetitive Transcranial Magnetic Stimulation received simulation from a specially designed coil which is capable of delivering either active rTMS or sham rTMS in a manner, which is randomized by the system itself and therefore blinded to the treater. Sham rTMS was delivered using a MagPro TMS system (MagVenture, Denmark).
|
|---|---|---|
|
Change in Sense of Agency Rating Scale (SOARS)
Involuntariness
|
.3529 score on a scale
Standard Deviation 3.3654
|
1.1034 score on a scale
Standard Deviation 3.8391
|
|
Change in Sense of Agency Rating Scale (SOARS)
Effortlessness
|
.8857 score on a scale
Standard Deviation 3.5378
|
.2727 score on a scale
Standard Deviation 3.1551
|
SECONDARY outcome
Timeframe: Baseline Scan (up to 15 min)Population: Participants with baseline MegaPress scan data
E/I ratio is defined as the logarithm of the concentration of Glx (excitatory neurotransmitter metabolite complex) /GABA+ (inhibitory neurotransmitter metabolite complex) relative to either water or creatine peak signal and it is a unitless measure ranging from -1 to 1. Logarithmic transformations are used to account for non-normal distributions of metabolite concentrations across participants and ratios \> 0 are thought to be excitatory neurotransmitter dominant while ratios \<0 are thought to be inhibition dominant.
Outcome measures
| Measure |
Active rTMS
n=51 Participants
The active group received active repetitive Transcranial Magnetic Stimulation
Active repetitive Transcranial Magnetic Stimulation: The investigators performed two applications of 40s of continuous theta-burst stimulation (cTBS) form of rTMS at 80% resting motor threshold (previously determined), with a 15 minute intersession interval. The standardized treatment location for the left DLPFC was determined by Localite Neuronavigation and targeted at the posterior middle frontal gyrus. The baseline structural scan obtained during the scan 1 was utilized for this localization process. rTMS was delivered using a MagPro TMS system (MagVenture, Denmark).utilized for this localization process. rTMS will be delivered using a MagPro TMS system (MagVenture, Denmark).
|
Sham rTMS
The sham repetitive Transcranial Magnetic Stimulation group had the stimulation blocked.
Sham repetitive Transcranial Magnetic Stimulation: This was identical to active rTMS except the stimulation was blocked. Both active and sham repetitive Transcranial Magnetic Stimulation received simulation from a specially designed coil which is capable of delivering either active rTMS or sham rTMS in a manner, which is randomized by the system itself and therefore blinded to the treater. Sham rTMS was delivered using a MagPro TMS system (MagVenture, Denmark).
|
|---|---|---|
|
Metabolic Alterations in Fibromyalgia (FMS) Defined by Excitatory / Inhibitory Ratio
GABA+/Cr
|
0.10 Ratio
Standard Deviation 0.02
|
—
|
|
Metabolic Alterations in Fibromyalgia (FMS) Defined by Excitatory / Inhibitory Ratio
GABA+/Water
|
1.72 Ratio
Standard Deviation 0.33
|
—
|
|
Metabolic Alterations in Fibromyalgia (FMS) Defined by Excitatory / Inhibitory Ratio
Glx/Cr
|
0.09 Ratio
Standard Deviation 0.01
|
—
|
|
Metabolic Alterations in Fibromyalgia (FMS) Defined by Excitatory / Inhibitory Ratio
Glx/Water
|
5.43 Ratio
Standard Deviation 0.82
|
—
|
|
Metabolic Alterations in Fibromyalgia (FMS) Defined by Excitatory / Inhibitory Ratio
Log E/I Cr
|
-0.06 Ratio
Standard Deviation 0.08
|
—
|
|
Metabolic Alterations in Fibromyalgia (FMS) Defined by Excitatory / Inhibitory Ratio
Log E/I Water
|
0.50 Ratio
Standard Deviation 0.08
|
—
|
SECONDARY outcome
Timeframe: Baseline visit (up to 30 min)Population: Participants with baseline MegaPress scan data
To characterize clinical pain measures, which are defined as thermal pain threshold and thermal pain tolerance. Thermal pain threshold is determined as the temperature of a thermode determined as painful (degrees Celsius) by a participant. Thermal pain tolerance extends this to the point at which discontinuation is necessary (degrees Celsius).
Outcome measures
| Measure |
Active rTMS
n=51 Participants
The active group received active repetitive Transcranial Magnetic Stimulation
Active repetitive Transcranial Magnetic Stimulation: The investigators performed two applications of 40s of continuous theta-burst stimulation (cTBS) form of rTMS at 80% resting motor threshold (previously determined), with a 15 minute intersession interval. The standardized treatment location for the left DLPFC was determined by Localite Neuronavigation and targeted at the posterior middle frontal gyrus. The baseline structural scan obtained during the scan 1 was utilized for this localization process. rTMS was delivered using a MagPro TMS system (MagVenture, Denmark).utilized for this localization process. rTMS will be delivered using a MagPro TMS system (MagVenture, Denmark).
|
Sham rTMS
The sham repetitive Transcranial Magnetic Stimulation group had the stimulation blocked.
Sham repetitive Transcranial Magnetic Stimulation: This was identical to active rTMS except the stimulation was blocked. Both active and sham repetitive Transcranial Magnetic Stimulation received simulation from a specially designed coil which is capable of delivering either active rTMS or sham rTMS in a manner, which is randomized by the system itself and therefore blinded to the treater. Sham rTMS was delivered using a MagPro TMS system (MagVenture, Denmark).
|
|---|---|---|
|
Alterations in Pain Perception in Fibromyalgia
Thermal Pain Tolerance (degrees Celsius)
|
47.8 Degrees Celsius
Standard Deviation 2.51
|
—
|
|
Alterations in Pain Perception in Fibromyalgia
Thermal Pain Threshold (degrees Celsius)
|
44.6 Degrees Celsius
Standard Deviation 3.55
|
—
|
SECONDARY outcome
Timeframe: Baseline visit (up to 45 min)Population: Participants with baseline MegaPress scan data
Linear regression was used to evaluate the scalar relationship between E/I ratio as it relates to water and Thermal Pain Threshold with E/I as the independent variable and Thermal Pain Threshold as the dependent variable.
Outcome measures
| Measure |
Active rTMS
n=51 Participants
The active group received active repetitive Transcranial Magnetic Stimulation
Active repetitive Transcranial Magnetic Stimulation: The investigators performed two applications of 40s of continuous theta-burst stimulation (cTBS) form of rTMS at 80% resting motor threshold (previously determined), with a 15 minute intersession interval. The standardized treatment location for the left DLPFC was determined by Localite Neuronavigation and targeted at the posterior middle frontal gyrus. The baseline structural scan obtained during the scan 1 was utilized for this localization process. rTMS was delivered using a MagPro TMS system (MagVenture, Denmark).utilized for this localization process. rTMS will be delivered using a MagPro TMS system (MagVenture, Denmark).
|
Sham rTMS
The sham repetitive Transcranial Magnetic Stimulation group had the stimulation blocked.
Sham repetitive Transcranial Magnetic Stimulation: This was identical to active rTMS except the stimulation was blocked. Both active and sham repetitive Transcranial Magnetic Stimulation received simulation from a specially designed coil which is capable of delivering either active rTMS or sham rTMS in a manner, which is randomized by the system itself and therefore blinded to the treater. Sham rTMS was delivered using a MagPro TMS system (MagVenture, Denmark).
|
|---|---|---|
|
Linear Regression of Thermal Pain Threshold to Logarithm of E/I Ratio as it Relates to Water in Fibromyalgia (Coefficient of Determination)
|
0.104 Coefficient of determination
|
—
|
SECONDARY outcome
Timeframe: Baseline visit (up to 45 min)Population: Participants with baseline MegaPress scan data
Linear regression was used to evaluate the scalar relationship between E/I ratio as it relates to water and Thermal Pain Tolerance with E/I as the independent variable and Thermal Pain Tolerance as the dependent variable.
Outcome measures
| Measure |
Active rTMS
n=51 Participants
The active group received active repetitive Transcranial Magnetic Stimulation
Active repetitive Transcranial Magnetic Stimulation: The investigators performed two applications of 40s of continuous theta-burst stimulation (cTBS) form of rTMS at 80% resting motor threshold (previously determined), with a 15 minute intersession interval. The standardized treatment location for the left DLPFC was determined by Localite Neuronavigation and targeted at the posterior middle frontal gyrus. The baseline structural scan obtained during the scan 1 was utilized for this localization process. rTMS was delivered using a MagPro TMS system (MagVenture, Denmark).utilized for this localization process. rTMS will be delivered using a MagPro TMS system (MagVenture, Denmark).
|
Sham rTMS
The sham repetitive Transcranial Magnetic Stimulation group had the stimulation blocked.
Sham repetitive Transcranial Magnetic Stimulation: This was identical to active rTMS except the stimulation was blocked. Both active and sham repetitive Transcranial Magnetic Stimulation received simulation from a specially designed coil which is capable of delivering either active rTMS or sham rTMS in a manner, which is randomized by the system itself and therefore blinded to the treater. Sham rTMS was delivered using a MagPro TMS system (MagVenture, Denmark).
|
|---|---|---|
|
Linear Regression of Thermal Pain Tolerance to Logarithm of E/I Ratio as it Relates to Water in Fibromyalgia (Coefficient of Determination)
|
0.104 Coefficient of determination
|
—
|
SECONDARY outcome
Timeframe: Baseline visit (up to 45 min)Population: Participants with baseline MegaPress scan data
Linear regression was used to evaluate the scalar relationship between E/I ratio as it relates to creatine and Thermal Pain Threshold with E/I as the independent variable and Thermal Pain Threshold as the dependent variable.
Outcome measures
| Measure |
Active rTMS
n=51 Participants
The active group received active repetitive Transcranial Magnetic Stimulation
Active repetitive Transcranial Magnetic Stimulation: The investigators performed two applications of 40s of continuous theta-burst stimulation (cTBS) form of rTMS at 80% resting motor threshold (previously determined), with a 15 minute intersession interval. The standardized treatment location for the left DLPFC was determined by Localite Neuronavigation and targeted at the posterior middle frontal gyrus. The baseline structural scan obtained during the scan 1 was utilized for this localization process. rTMS was delivered using a MagPro TMS system (MagVenture, Denmark).utilized for this localization process. rTMS will be delivered using a MagPro TMS system (MagVenture, Denmark).
|
Sham rTMS
The sham repetitive Transcranial Magnetic Stimulation group had the stimulation blocked.
Sham repetitive Transcranial Magnetic Stimulation: This was identical to active rTMS except the stimulation was blocked. Both active and sham repetitive Transcranial Magnetic Stimulation received simulation from a specially designed coil which is capable of delivering either active rTMS or sham rTMS in a manner, which is randomized by the system itself and therefore blinded to the treater. Sham rTMS was delivered using a MagPro TMS system (MagVenture, Denmark).
|
|---|---|---|
|
Linear Regression of Thermal Pain Threshold to Logarithm of E/I Ratio as it Relates to Creatine in Fibromyalgia (Coefficient of Determination)
|
0.083 Coefficient of determination
|
—
|
SECONDARY outcome
Timeframe: Baseline visit (up to 45 min)Population: Participants with baseline MegaPress scan data
Linear regression was used to evaluate the scalar relationship between E/I ratio as it relates to creatine and Thermal Pain Tolerance with E/I as the independent variable and Thermal Pain Tolerance as the dependent variable.
Outcome measures
| Measure |
Active rTMS
n=51 Participants
The active group received active repetitive Transcranial Magnetic Stimulation
Active repetitive Transcranial Magnetic Stimulation: The investigators performed two applications of 40s of continuous theta-burst stimulation (cTBS) form of rTMS at 80% resting motor threshold (previously determined), with a 15 minute intersession interval. The standardized treatment location for the left DLPFC was determined by Localite Neuronavigation and targeted at the posterior middle frontal gyrus. The baseline structural scan obtained during the scan 1 was utilized for this localization process. rTMS was delivered using a MagPro TMS system (MagVenture, Denmark).utilized for this localization process. rTMS will be delivered using a MagPro TMS system (MagVenture, Denmark).
|
Sham rTMS
The sham repetitive Transcranial Magnetic Stimulation group had the stimulation blocked.
Sham repetitive Transcranial Magnetic Stimulation: This was identical to active rTMS except the stimulation was blocked. Both active and sham repetitive Transcranial Magnetic Stimulation received simulation from a specially designed coil which is capable of delivering either active rTMS or sham rTMS in a manner, which is randomized by the system itself and therefore blinded to the treater. Sham rTMS was delivered using a MagPro TMS system (MagVenture, Denmark).
|
|---|---|---|
|
Linear Regression of Thermal Pain Tolerance to Logarithm of E/I Ratio as it Relates to Creatine in Fibromyalgia (Coefficient of Determination)
|
0.103 Coefficient of determination
|
—
|
SECONDARY outcome
Timeframe: Baseline Scan and at 15-20 min post-TMS (up to 30 min)Population: Participants with available data
To determine the relationship between the metabolic alterations pre and post-rTMS. Metabolic changes as measured by MEGA-PRESS spectroscopy were assessed by quantification of excitatory (Glx) and inhibitory (GABA+) neurotransmitter complexes. The E/I ratio is defined as the logarithm of the concentration of Glx/GABA+relative to either the reference water or creatine signal and it is a unitless measure ranging from -1 to 1. Logarithmic transformations are used to account for non-normal distributions of metabolite concentrations across participants and ratios \> 0 are thought to be excitatory neurotransmitter dominant while ratios \<0 are thought to be inhibition dominant.
Outcome measures
| Measure |
Active rTMS
n=14 Participants
The active group received active repetitive Transcranial Magnetic Stimulation
Active repetitive Transcranial Magnetic Stimulation: The investigators performed two applications of 40s of continuous theta-burst stimulation (cTBS) form of rTMS at 80% resting motor threshold (previously determined), with a 15 minute intersession interval. The standardized treatment location for the left DLPFC was determined by Localite Neuronavigation and targeted at the posterior middle frontal gyrus. The baseline structural scan obtained during the scan 1 was utilized for this localization process. rTMS was delivered using a MagPro TMS system (MagVenture, Denmark).utilized for this localization process. rTMS will be delivered using a MagPro TMS system (MagVenture, Denmark).
|
Sham rTMS
n=21 Participants
The sham repetitive Transcranial Magnetic Stimulation group had the stimulation blocked.
Sham repetitive Transcranial Magnetic Stimulation: This was identical to active rTMS except the stimulation was blocked. Both active and sham repetitive Transcranial Magnetic Stimulation received simulation from a specially designed coil which is capable of delivering either active rTMS or sham rTMS in a manner, which is randomized by the system itself and therefore blinded to the treater. Sham rTMS was delivered using a MagPro TMS system (MagVenture, Denmark).
|
|---|---|---|
|
Metabolic Changes in L-DLPFC Pre- and Post-rTMS
Log E/I Water Pre-TMS
|
0.487 Ratio
Standard Deviation 0.075
|
0.486 Ratio
Standard Deviation 0.092
|
|
Metabolic Changes in L-DLPFC Pre- and Post-rTMS
Log E/I Water Post-TMS
|
0.494 Ratio
Standard Deviation 0.073
|
0.505 Ratio
Standard Deviation 0.109
|
|
Metabolic Changes in L-DLPFC Pre- and Post-rTMS
Log E/I Creatine Pre-TMS
|
-0.075 Ratio
Standard Deviation 0.075
|
-0.076 Ratio
Standard Deviation 0.092
|
|
Metabolic Changes in L-DLPFC Pre- and Post-rTMS
Log E/I Creatine Post-TMS
|
-0.068 Ratio
Standard Deviation 0.073
|
-0.057 Ratio
Standard Deviation 0.108
|
Adverse Events
Active rTMS
Sham rTMS
Serious adverse events
Adverse event data not reported
Other adverse events
| Measure |
Active rTMS
n=49 participants at risk
The active group will receive repetitive Transcranial Magnetic Stimulation
repetitive Transcranial Magnetic Stimulation: The investigators will perform two applications of 40s of continuous theta-burst stimulation (cTBS) form of rTMS at 80% resting motor threshold (previously determined), with a 15 minute intersession interval. The standardized treatment location for the left DLPFC will be determined by Localite Neuronavigation and targeted at the posterior middle frontal gyrus. The baseline structural scan obtained during the scan 1 will be utilized for this localization process. rTMS will be delivered using a MagPro TMS system (MagVenture, Denmark).
|
Sham rTMS
n=52 participants at risk
The sham repetitive Transcranial Magnetic Stimulation group will have the stimulation blocked.
Sham repetitive Transcranial Magnetic Stimulation: This will be identical to active rTMS except the stimulation will be blocked. Both active and sham repetitive Transcranial Magnetic Stimulation will receive simulation from a specially designed coil which is capable of delivering either active rTMS or sham rTMS in a manner, which is randomized by the system itself and therefore blinded to the treater. rTMS will be delivered using a MagPro TMS system (MagVenture, Denmark).
|
|---|---|---|
|
Metabolism and nutrition disorders
Medication Withdrawal During Washout
|
0.00%
0/49 • Up to 30 days
|
1.9%
1/52 • Number of events 1 • Up to 30 days
|
|
Skin and subcutaneous tissue disorders
Headache / Scalp Irritation
|
2.0%
1/49 • Number of events 1 • Up to 30 days
|
0.00%
0/52 • Up to 30 days
|
|
Ear and labyrinth disorders
Dizziness
|
0.00%
0/49 • Up to 30 days
|
1.9%
1/52 • Number of events 1 • Up to 30 days
|
Additional Information
Results disclosure agreements
- Principal investigator is a sponsor employee
- Publication restrictions are in place