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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT05023434
Other study ID # PRO00040251
Secondary ID
Status Recruiting
Phase
First received
Last updated
Start date September 8, 2021
Est. completion date October 1, 2024

Study information

Verified date February 2024
Source Medical College of Wisconsin
Contact Sarah Cornell
Phone 414-955-0989
Email scornell@mcw.edu
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

The neurosurgical standard of care for treating a patient with a tumor invading hand primary motor cortex (M1) includes performing a craniotomy with intraoperative direct electrical stimulation (DES) mapping and to resect as much tumor as possible without a resultant permanent neurological deficit. However, the subjective nature of current intraoperative hand motor assessments do not offer a comprehensive understanding of how hand strength and function may be impacted by resection. Additionally, there is a paucity of data to inform how altering DES parameters may effect motor mapping. Here, the investigators seek to demonstrate a feasible, standardized protocol to quantitatively assess hand strength and function and systematically assess several stimulation parameters to improve intraoperative measurements and better understand how cortical stimulation interacts with underlying neural function.


Recruitment information / eligibility

Status Recruiting
Enrollment 60
Est. completion date October 1, 2024
Est. primary completion date August 1, 2024
Accepts healthy volunteers No
Gender All
Age group 18 Years to 75 Years
Eligibility AWAKE CRANIOTOMY COHORT Inclusion Criteria: 1. Age 18 - 75 2. Ability to understand a written informed consent document, and the willingness to sign it 3. Radiographic evidence of tumor on MRI (i.e. non-enhancing) invading primary motor cortex in the non-dominant hemisphere. 4. Karnofsky performance status (KPS) = 70 5. Normal or near normal motor strength (i.e., at least 3/5 in relevant areas) 6. Normal or near normal speech (Can consistently name at least 4/5 cards) 7. Free of other illness, in the judgment of the investigator, that may shorten life expectancy 8. Willing and able to participate in all aspects of the study Exclusion Criteria: 1. Presence of other malignancy not in remission 2. Evidence of bi-hemispheric or widespread tumor involvement 3. Medically high-risk surgical candidate 4. History of recent scalp or systemic infection 5. Presence of other implants or foreign bodies in the head 6. Inability to receive an MRI for any reason 7. Inability to receive cortical stimulation for any reason 8. Presence of implanted cardiac device (such as a pacemaker or defibrillator)

Study Design


Intervention

Procedure:
Intraoperative Brain Simulation - Alternate Stimulation Parameters
Additional stimulation parameters outside of standard of care during intraoperative brain stimulation to aid in motor mapping.

Locations

Country Name City State
United States Medical College of Wisconsin Milwaukee Wisconsin

Sponsors (1)

Lead Sponsor Collaborator
Medical College of Wisconsin

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary Change in Hand strength - Manual Motor Scale (0-5) Quantitative assessment on a scale of 0 - 5 5 - normal strength 4 - give away weakness 3 - movement against gravity 2 - movement in anti-gravity position 1 - muscle twitch 0 - no movement Pre-op, intra-op, 1 week post-op and 3 months post-op; 2 visits 3 weeks apart for healthy volunteers
Primary Change in Hand strength - Dynamometer grip and pinch strength (Newtons) Scored using force production in kilograms (0-90) Standardized procedure for positioning Pre-op, intra-op, 1 week post-op and 3 months post-op; 2 visits 3 weeks apart for healthy volunteers
Primary Chang in Hand function (Velocity) The Cyberglove III collects data on the movement of the joints in the hand. Subjects will be asked to wear the Cyberglove III while doing various tasks. Velocity will be measured in degrees per second. Pre-op, intra-op, 1 week post-op and 3 months post-op; 2 visits 3 weeks apart for healthy volunteers
Primary Chang in Hand function (Finger Individuation) The Cyberglove III collects data on the movement of the joints in the hand. Subjects will be asked to wear the Cyberglove III while doing various tasks. Finger individuation will be calculated using joint angles. Pre-op, intra-op, 1 week post-op and 3 months post-op; 2 visits 3 weeks apart for healthy volunteers
Primary Chang in Hand function (Smoothness) The Cyberglove III collects data on the movement of the joints in the hand. Subjects will be asked to wear the Cyberglove III while doing various tasks. Smoothness will be calculated using joint angles. Pre-op, intra-op, 1 week post-op and 3 months post-op; 2 visits 3 weeks apart for healthy volunteers
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