nTMS in Planning Stereotactic Radiosurgery in Patients With Brain Metastases in the Motor Cortex
Feasibility of Navigated Transcranial Magnetic Stimulation (nTMS) of Patients Treated With Stereotactic Radiosurgery for Brain Metastases in the Motor Cortex: A Comprehensive Cross-Sectional Assessment
2 other identifiers
interventional
22
1 country
1
Brief Summary
This trial studies how well nTMS works in planning for stereotactic radiosurgery in patients with brain metastases in the motor cortex. Stereotactic radiosurgery is a type of radiation therapy that delivers high doses of radiation, which can sometimes lead to damage occurring to the brain and surrounding areas. The motor cortex (the part of the nervous system that controls muscle movement), however, currently has no radiation dose limit. nTMS is a non-invasive tool that uses sensors on a patient's muscle to trace the location in their brain that controls that muscle and is currently used by doctors to decide where to operate so as not to damage the motor nerves. nTMS may effectively help plan radiation treatment using SRS and help doctors decide on how much radiation can be used on motor nerves.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for not_applicable
Started Sep 2019
Longer than P75 for not_applicable
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
August 16, 2019
CompletedFirst Posted
Study publicly available on registry
August 20, 2019
CompletedStudy Start
First participant enrolled
September 9, 2019
CompletedPrimary Completion
Last participant's last visit for primary outcome
May 6, 2027
ExpectedStudy Completion
Last participant's last visit for all outcomes
May 6, 2027
January 14, 2026
January 1, 2026
7.7 years
August 16, 2019
January 12, 2026
Conditions
Outcome Measures
Primary Outcomes (4)
Operational feasibility of navigated transcranial magnetic stimulation (nTMS)
Will be determined to be operationally feasible on a patient if the images and data obtained from nTMS for the patient provide useful information to the radiation oncologist and if the radiation oncologist determines that this additional information would improve patient care. Will deem the use of nTMS to be operationally feasible overall if it is deemed operationally feasible on an underlying proportion of at least 90% potentially consented patients. Will calculate the proportions of operational and technical feasibility of the use of nTMS and their 80% confidence intervals (CIs). If the observed proportions are greater than or equal to 82%, the use of nTMS to be operationally and technically will be deemed feasible.
Up to 1 year
Technical feasibility of nTMS
Will be determined to be technically feasible on a patient if the procedure of nTMS is able to be performed on the patient, resulting in mapped motor cortex data. If the patient is not able to complete the procedure for any reason, that patient's nTMS treatment will not be technically feasible. Will deem the use of nTMS to be technically feasible overall if it is deemed technically feasible on an underlying proportion of at least 90% potentially consented patients. Will calculate the proportions of operational and technical feasibility of the use of nTMS and their 80% CIs. If the observed proportions are greater than or equal to 82%, the use of nTMS to be operationally and technically will be deemed feasible.
Up to 1 year
Economic feasibility of nTMS
Will be determined to be economically feasible if there are no additional costs to the patients and department, other than those outlined in the proposed budget.
Up to 1 year
Identification of the motor cortex by addition of nTMS
The treating radiation oncologist will determine if the use of nTMS provides additional information over the standard atlas-based definition of the motor region if they state that they would have made adjustments to their treatment volume of the tumor based on the new nTMS data provided.
Up to 1 year
Secondary Outcomes (5)
Stereotactic radiosurgery (SRS) dosimetry and lesion involvement in the motor tracts
Up to 1 year
Presence or absence of motor deficits
Up to 1 year
Production of viable internal control by contralateral motor tract, accounting for handedness
Up to 1 year
Development of a clinical trial that will limit radiation dose to brain metastases
Up to 1 year
Utility of electroencephalography (EEG)
Up to 1 year
Study Arms (1)
Diagnostic (nTMS, sensory testing)
EXPERIMENTALPatients undergo nTMS over 1 hour. Patients also perform 4 tasks that test grip and pinch strength, and the ability to use and feel with their hands for 1 hour.
Interventions
Complete tasks that test grip strength, pinch strength, and ability to use and feel with hands
Undergo nTMS
Ancillary studies
Eligibility Criteria
You may qualify if:
- Adult patients with brain metastases located in or near the motor cortex who have previously received SRS to that lesion within the prior 3-18 months
- Patients must be able to participate in nTMS of bilateral motor cortices
- Patients must be able to participate in an electromyography (EMG)
- Patient's must have utilized magnetic resonance imaging (MRI) for their previous SRS treatment planning
- Patient must be able to complete the Functional and Quality of Life questionnaires in English
You may not qualify if:
- Significant cognitive or psychiatric symptoms that prevent the ability to complete a physical exam, questionnaires, or participate in nTMS or EMG
- Poor performance status Karnofsky performance score (KPS \< 60) that prevents the ability to participate in a physical exam, nTMS, or EMG. Patients will not be excluded if they are not able to complete the exploratory EEG analysis
- Patients receiving any prior treatment that might impact their cognitive, psychiatric, or motor cortex function
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- M.D. Anderson Cancer Centerlead
- National Cancer Institute (NCI)collaborator
Study Sites (1)
M D Anderson Cancer Center
Houston, Texas, 77030, United States
Related Links
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Caroline Chung
M.D. Anderson Cancer Center
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- NA
- Masking
- NONE
- Purpose
- DIAGNOSTIC
- Intervention Model
- SINGLE GROUP
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
August 16, 2019
First Posted
August 20, 2019
Study Start
September 9, 2019
Primary Completion (Estimated)
May 6, 2027
Study Completion (Estimated)
May 6, 2027
Last Updated
January 14, 2026
Record last verified: 2026-01