Prehabilitation, Rehabilitation and Comprehensive Approach to the Sequelae of Brain Tumors (PREHABILITA)

April 25, 2023 updated by: Institut Guttmann

Joan Ribas Araquistain Program for Research and Therapeutic Innovation in Prehabilitation, Rehabilitation and Comprehensive Approach to the Sequelae of Brain Tumors

The goal of the present pilot single-cohort feasibility trial is to investigate the feasibility and understand potential mechanisms of efficacy for Neuromodulation-Induced Cortical Prehabilitation (NICP) in adults with brain tumours and eligible for neurosurgery.

The main questions it aims to answer are:

  • is the intervention feasible, in terms of adherence, retention, safety and patient's satisfaction;
  • what are the mechanisms of neuroplasticity primed by NICP

Participants will undergo a prehabilitation protocol, consisting of daily sessions (total: 10-20 sessions) structured as follows:

  • Intervention 1: non-invasive neuromodulation (TMS/tDCS).
  • Intervention 2: motor and/or cognitive training, during or immediately after non-invasive neuromodulation, for about 60 minutes.

The timeline is structured as follows:

T1: baseline (before NICP) T2-T3: NICP period T4: after NICP T5: surgery T6: after surgery

Clinical, neuroimaging and neurophysiology assessments will be performed before NICP (T1), after NICP (T4), and after neurosurgery (T6). Feasibility outcomes will be determined during NICP protocol (T2-T3).

The objective of the proposed intervention is to progressively reduce the functional relevance of eloquent areas, which are healthy brain areas close with the tumour and thus exposed to the risk of being lesioned during surgery. In fact, previous studies have shown that temporary inhibition of eloquent areas (by neuromodulation) coupled with intensive motor/cognitive training promoted the activation of alternative brain resources, with a shift of functional activity from eloquent areas to areas functionally related, but anatomically distant from the tumour.

By moving the activation of key motor/cognitive functions away from the tumour, the risk of postoperative functional sequelae will be reduced; which in turn will falicitate a more radical tumour excision by the neurosurgeon.

Study Overview

Status

Recruiting

Conditions

Detailed Description

Neuromodulation-Induced Cortical Prehabilitation (NICP) is a relatively new approach in the neurosurgical field. It consists of priming neuroplastic changes before neurosurgery for brain tumours, in order to improve surgical outcomes and, hopefully, long-term survival and quality of life. The intervention comprises two elements:

  1. Neuromodulation (like transcranial magnetic stimulation, TMS, and transcranial direct current stimulation, tDCS). The goal of neuromodulation is to inhibit the eloquent areas, defined as brain areas functionally active and close to the tumour.
  2. Behavioural training (like motor training, cognitive training, or a combination). The function trained corresponds with the function of the eloquent area targeted by neuromodulation.

The two interventions are provided on a daily basis, and repeated over 10-20 consecutive weekdays. Notably, after the inhibition of the eloquent area there is a temporal window of about one hour, where intensive training of the same function requires the activation of alternative areas/pathways. By consolidating this alternative activation over multiple sessions, the outcome is a reduction in the functional relevance of eloquent areas, in favour of alternative resources anatomically distant from the tumour.

Only few case reports have been published so far, with very positive results obtained by means of invasive neuromodulation; the term 'invasive' means that a first neurosurgery was required to implant electrodes over eloquent areas for intracranial electrical stimulation, followed after few days/weeks by a second surgery for tumour removal. Despite relevant neuroplastic changes, the problem with this approach has been the high rate of adverse events occurred (infections, edema, pain, seizure) due to the invasiveness of the procedures. Therefore, by using a non-invasive neuromodulation approach, the goal of the present trial is to promote neuroplastic changes beneficial for neurosurgery, while at the same time ensuring no serious adverse events.

Further details on neuromodulation. Investigators will apply the most appropriate neuromodulation protocol, personalized based on whether to perform TMS and/or tDCS, individual resting motor threshold (for TMS), and target determination (related to eloquent areas).

Protocol for low frequency rTMS:

  • intensity: 90% RMT;
  • frequency: 1 Hertz;
  • total number of pulses: 1600.

Protocol for tDCS:

  • cathode: over eloquent areas
  • anode: typically over areas that should be activated, as opposed to eloquent areas

Further details on upper limb prehabilitation training.

Within the 60 minutes immediately after neuromodulation, patients will perform an intensive training of the same function of the eloquent area, which is now temporarily inhibited. Intensity of the training will be continuously adjusted in terms of type, difficulty and variability:

  • Type: exercises specific for finger individuation (play the piano, typewriting), finger coordination (dexterity, manipulation), arm reaching. In order to integrate upper limb function with other motor-cognitive functions, dual task training will be performed, both motor-cognitive (decision making, stroop task, motor sequence learning etc.) and motor-motor (bimanual activites, arm and balance tasks, etc.);
  • Difficulty: the intensity of the exercise will be set as to result 'difficult, yet achievable' by the patient. This way it is ensured that the brain is under a stress condition which, together with concurrent eloquent area inhibition, will promote and consolidate the activation of alternative resources.
  • Variability: varying systematically the type and difficulty of the training is useful to keep the patient engaged and ensure that the end result will be a global motor-cognitive training, instead of a monotonic improvement in a specific performance.

Further details on Prehabilitation for language and cognitive training. Language-cognitive training will follow the same rationale illustrated for motor training. Soon after neuromodulation the patient will perform a computerized cognitive training on a dedicated platform ("Guttmann NeuroPersonalTrainer"® (GNPT). Exercises will be customized based on specific patient's deficits, and/or functions at risk of being compromised after surgery. For instance, the neuropsychologist may vary settings such as presentation speed, latency time or number of images, thus finely tuning several difficulty levels. Regarding language, tasks will be planned and supervised in a personalized way by a neuropsychologist, readjusting their planning if necessary.

Discontinuation, adherence, and permission for concomitant care.

The intervention will be discontinued in the following cases:

  • participant's request;
  • serious adverse events attributable to the intervention. Patients will be allowed to continue any ongoing treatment. Formal training of motor-cognitive functions outside the protocol will be discourage, as it may affect neuroplastic changes in an unpredictable way.

Study Type

Interventional

Enrollment (Anticipated)

20

Phase

  • Phase 1

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Contact

Study Contact Backup

Study Locations

    • Cataluña
      • Badalona, Cataluña, Spain, 08916

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

  • Adult
  • Older Adult

Accepts Healthy Volunteers

No

Description

Inclusion Criteria:

  • diagnosis of brain tumour requiring neurosurgery
  • ability to undertake at least 10 sessions of prehabilitation protocol
  • tumour location posing the patient at risk of developing post-operative neurological deficits, for instance at the level of upper limb motor function and speech production
  • ability to understand the general purpose of the prehabilitation program and understand simple instructions
  • being willing to participate and sign the informed consent
  • being able to sit unassisted for one hour.

Exclusion Criteria:

  • any contraindication for magnetic resonance imaging or transcranial magnetic stimulation
  • unstable medical conditions
  • musculoskeletal disorders that may significantly affect functional training
  • pain, depression, fatigue that may significantly affect functional training
  • history of alcohol/drug abuse

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: N/A
  • Interventional Model: Single Group Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: Prehabilitation
Adult patients affected by Brain Tumour and candidated for surgical treatment.
Non-invasive neuromodulation (TMS and/or tDCS) coupled with intensive behavioural training (neurorehabilitation and/or cognitive rehabilitation)

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Feasibility_adherence
Time Frame: Throughout the intervention, which will last approximately 10 to 20 sessions (two to four weeks)
Sufficient adherence is defined by attending at least 75% of the planned sessions
Throughout the intervention, which will last approximately 10 to 20 sessions (two to four weeks)
Feasibility_retention
Time Frame: Throughout the intervention, which will last approximately 10 to 20 sessions (two to four weeks)
Sufficient retention is defined by at least 75% of enrolled patients completing the intervention
Throughout the intervention, which will last approximately 10 to 20 sessions (two to four weeks)
Feasibility_safety
Time Frame: Throughout the intervention, which will last approximately 10 to 20 sessions (two to four weeks)
Adequate safety is defined by the absence of any serious adverse event
Throughout the intervention, which will last approximately 10 to 20 sessions (two to four weeks)
Feasibility_patient's satisfaction
Time Frame: Throughout the intervention, which will last approximately 10 to 20 sessions (two to four weeks)

Self reported patient's satisfaction, as from the EORTC* PATSAT C-33 questionnaire.

All of the EORTC scales and single-item measures range in score from 0 to 100. A high scale score represents a higher response level. in this case, higher score means higher patient's satisaction of the treatment received.

*European Organisation for Research and Treatment of Cancer (EORTC)

Throughout the intervention, which will last approximately 10 to 20 sessions (two to four weeks)

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Clinical_Neurological Assessment in Neuro-Oncology (NANO) scale
Time Frame: At baseline (before the intervention), at the end of the intervention (but before neurosurgery), and at the first available follow up (from one month up to one year after surgery)

Standardized assessment of neurological functional status in patients with brain tumour.

Score ranges from 0 to 27, with higher scores indicating worse neurological status.

At baseline (before the intervention), at the end of the intervention (but before neurosurgery), and at the first available follow up (from one month up to one year after surgery)
Clinical_Karnofsky Performance Status
Time Frame: At baseline (before the intervention), at the end of the intervention (but before neurosurgery), and at the first available follow up (from one month up to one year after surgery)
Clinical assessment of functional independency for patients with brain tumour. Score ranges from 0 to 100, with higher scores representing higher levels of functional independency.
At baseline (before the intervention), at the end of the intervention (but before neurosurgery), and at the first available follow up (from one month up to one year after surgery)
Clinical_upper limb_9 Hole Peg Test
Time Frame: At baseline (before the intervention), at the end of the intervention (but before neurosurgery), and at the first available follow up (from one month up to one year after surgery)
Clinical assessment of hand dexterity. Results are measured in seconds to complete a dexterity task (take pegs one at a time from a container and place in nine holes, and then back in the container). The lower the time taken to complete the task, the better the performance.
At baseline (before the intervention), at the end of the intervention (but before neurosurgery), and at the first available follow up (from one month up to one year after surgery)
Clinical_upperl limb_Fugl-Meyer Upper Extremity
Time Frame: At baseline (before the intervention), at the end of the intervention (but before neurosurgery), and at the first available follow up (from one month up to one year after surgery)
Clinical assessment of upper limb motor impairment. Score ranges from 0 to 66, with higher scores indicating better motor function.
At baseline (before the intervention), at the end of the intervention (but before neurosurgery), and at the first available follow up (from one month up to one year after surgery)
Clinical_upper limb_Hand dynamometer
Time Frame: At baseline (before the intervention), at the end of the intervention (but before neurosurgery), and at the first available follow up (from one month up to one year after surgery)
Clinical assessment of grip strength. Results are measured in kg, with higher scores indicating higher grip strength.
At baseline (before the intervention), at the end of the intervention (but before neurosurgery), and at the first available follow up (from one month up to one year after surgery)
Clinical_upper limb_Deary-Liewald reaction time task
Time Frame: At baseline (before the intervention), at the end of the intervention (but before neurosurgery), and at the first available follow up (from one month up to one year after surgery)
Computerized assessment of efficiency of basic processes for perception and response execution. Results are measured as time (milliseconds) between stimulus presentation and response execution. The shorter the time interval, the better the performance.
At baseline (before the intervention), at the end of the intervention (but before neurosurgery), and at the first available follow up (from one month up to one year after surgery)
Clinical_lower limb and balance_Fugl Meyer Lower Extremity
Time Frame: At baseline (before the intervention), at the end of the intervention (but before neurosurgery), and at the first available follow up (from one month up to one year after surgery)
Clinical assessment of lower limb motor impairment. Score ranges from 0 to 34, with higher scores indicating better motor function.
At baseline (before the intervention), at the end of the intervention (but before neurosurgery), and at the first available follow up (from one month up to one year after surgery)
Clinical_lower limb and balance_Brunel Balance Assessment
Time Frame: At baseline (before the intervention), at the end of the intervention (but before neurosurgery), and at the first available follow up (from one month up to one year after surgery)
Clinical assessment of balance. Score ranges from 0 to 12, with higher scores indicating better performance.
At baseline (before the intervention), at the end of the intervention (but before neurosurgery), and at the first available follow up (from one month up to one year after surgery)
Clinical_lower limb and balance_Six minute walking test
Time Frame: At baseline (before the intervention), at the end of the intervention (but before neurosurgery), and at the first available follow up (from one month up to one year after surgery)
Submaximal test of aerobic capacity. Results are measured as the total distance (meters) walked during six minutes. The longer the distance, the better the performance.
At baseline (before the intervention), at the end of the intervention (but before neurosurgery), and at the first available follow up (from one month up to one year after surgery)
Clinical_EORTC-QLQ-C30*
Time Frame: At baseline (before the intervention), at the end of the intervention (but before neurosurgery), and at the first available follow up (from one month up to one year after surgery)

questionnaire of quality of life for oncological patients. All of the EORTC scales and single-item measures range in score from 0 to 100. A high scale score represents a higher response level. Thus a high score for a functional scale represents a high / healthy level of functioning, a high score for the global health status represents a high quality of life, but a high score for a symptom scale represents a high level of symptomatology / problems.

*European Organisation for Research and Treatment of Cancer (EORTC) QLQ: quality of life questionnaire

At baseline (before the intervention), at the end of the intervention (but before neurosurgery), and at the first available follow up (from one month up to one year after surgery)
Clinical_EORTC-BN20
Time Frame: At baseline (before the intervention), at the end of the intervention (but before neurosurgery), and at the first available follow up (from one month up to one year after surgery)

EORTC* brain cancer module. All of the EORTC scales and single-item measures range in score from 0 to 100. A high scale score represents a higher response level. In this case, a high score for a symptom scale represents a high level of symptomatology / problems.

*European Organisation for Research and Treatment of Cancer (EORTC)

At baseline (before the intervention), at the end of the intervention (but before neurosurgery), and at the first available follow up (from one month up to one year after surgery)
Clinical_EORTC-FA12
Time Frame: At baseline (before the intervention), at the end of the intervention (but before neurosurgery), and at the first available follow up (from one month up to one year after surgery)

EORTC* fatigue module. All of the EORTC scales and single-item measures range in score from 0 to 100. A high scale score represents a higher response level. In this case, a high score for a symptom scale represents a high level of fatigue.

*European Organisation for Research and Treatment of Cancer (EORTC)

At baseline (before the intervention), at the end of the intervention (but before neurosurgery), and at the first available follow up (from one month up to one year after surgery)
Clinical_Revised Barcelona Test
Time Frame: At baseline (before the intervention), at the end of the intervention (but before neurosurgery), and at the first available follow up (from one month up to one year after surgery)

Battery of clinical assessments for high cognitive functions, including: language, writing, reading, memory, imitation of gestures and postures, constructive praxis, orientation, arithmetics and comprehension.

Normative data indicate a mean of 100 and standard deviations of 15, range 40-160.

Higher score means better performance. Scores under 80 are considered below the normality.

At baseline (before the intervention), at the end of the intervention (but before neurosurgery), and at the first available follow up (from one month up to one year after surgery)
Clinical_WAIS-III Wechsler Adult Intelligence Scale
Time Frame: At baseline (before the intervention), at the end of the intervention (but before neurosurgery), and at the first available follow up (from one month up to one year after surgery)

Clinical assessment of verbal, manipulative and total intelligent quotient. Normative data indicate a mean of 100 and standard deviations of 15, range 40-160.

Higher score means better performance. Scores under 80 are considered below the normality.

At baseline (before the intervention), at the end of the intervention (but before neurosurgery), and at the first available follow up (from one month up to one year after surgery)
Clinical_Trail Making Test
Time Frame: At baseline (before the intervention), at the end of the intervention (but before neurosurgery), and at the first available follow up (from one month up to one year after surgery)

Clinical assessment of visual attention, sequencing, flexibility and graphomotor ability.

Results are reported as time to complete the task, and number of errors. Higher score means worse performance.

At baseline (before the intervention), at the end of the intervention (but before neurosurgery), and at the first available follow up (from one month up to one year after surgery)
Clinical_Continuous Performance Test-III
Time Frame: At baseline (before the intervention), at the end of the intervention (but before neurosurgery), and at the first available follow up (from one month up to one year after surgery)
Clinical assessment of sustained attention. Results are reported as reaction time, and number of errors (omission and commission). Higher score means worse performance.
At baseline (before the intervention), at the end of the intervention (but before neurosurgery), and at the first available follow up (from one month up to one year after surgery)
Clinical_Rey Auditory Verbal Learning Test
Time Frame: At baseline (before the intervention), at the end of the intervention (but before neurosurgery), and at the first available follow up (from one month up to one year after surgery)
Clinical assessment of auditory verbal memory. Score ranges between 0 and 75 (immediate memory), 0 and 15 (delayed memory), 0 and 15 (recognition- errors (commission and ommission). The higher the score, the better the performance.
At baseline (before the intervention), at the end of the intervention (but before neurosurgery), and at the first available follow up (from one month up to one year after surgery)
Clinical_WMS-IV Wechsler Memory Scale
Time Frame: At baseline (before the intervention), at the end of the intervention (but before neurosurgery), and at the first available follow up (from one month up to one year after surgery)

Clinical assessment of memory functions. Normative data indicate a mean of 100 and standard deviations of 15, range 40-160.

Higher score means better performance. Scores under 80 are considered below the normality.

At baseline (before the intervention), at the end of the intervention (but before neurosurgery), and at the first available follow up (from one month up to one year after surgery)
Clinical_Symbol Digit Modalities Test
Time Frame: At baseline (before the intervention), at the end of the intervention (but before neurosurgery), and at the first available follow up (from one month up to one year after surgery)
Clinical assessment of visual tracking, concentration and visuomotor speed. Total score is the result of summing the number of correct substitutions within the 90 second interval (max = 110). Higher score means better performance.
At baseline (before the intervention), at the end of the intervention (but before neurosurgery), and at the first available follow up (from one month up to one year after surgery)
Clinical_PMR Verbal fluency by letters.
Time Frame: At baseline (before the intervention), at the end of the intervention (but before neurosurgery), and at the first available follow up (from one month up to one year after surgery)
Clinical assessment of lexical access and verbal fluency. Count up the total number of words beginning with the requested letter that the person is able to produce in one minute. Three letters (PMR) are requested and the final score is the sum of the three attempts. Higher scores means better performance.
At baseline (before the intervention), at the end of the intervention (but before neurosurgery), and at the first available follow up (from one month up to one year after surgery)
Clinical_Hayling Test
Time Frame: At baseline (before the intervention), at the end of the intervention (but before neurosurgery), and at the first available follow up (from one month up to one year after surgery)
Clinical assessment of behavioural regulation, initiation speed and response inhibition. The test is divided in part A (0-15) and B (0-45). Answers are classified as correct (0 points) or incorrect (1 point) and reaction time is also measured. Higher score (more errors) imply a lower performance.
At baseline (before the intervention), at the end of the intervention (but before neurosurgery), and at the first available follow up (from one month up to one year after surgery)
Clinical_Wisconsin Card Sorting Test
Time Frame: At baseline (before the intervention), at the end of the intervention (but before neurosurgery), and at the first available follow up (from one month up to one year after surgery)
Clinical assessment of executive function. Outcome measures of categories achieved (higher means better performance), trials, errors, and perseverative errors (the lower the score, the greater the efficiency of the examinee in the task)
At baseline (before the intervention), at the end of the intervention (but before neurosurgery), and at the first available follow up (from one month up to one year after surgery)
Clinical_Hospital Anxiety and Depression Scale
Time Frame: At baseline (before the intervention), at the end of the intervention (but before neurosurgery), and at the first available follow up (from one month up to one year after surgery)
Clinical assessment of anxiety and depression. The total score is the sum of each item. Final score ranges from 0 to 21 with the highest scores indicating the highest levels of anxiety and depression: 0-7 (Normal) 8-10 (Mild) 11-15 (Moderate) 16-21 (Severe).
At baseline (before the intervention), at the end of the intervention (but before neurosurgery), and at the first available follow up (from one month up to one year after surgery)
Neuroimaging_structural MRI
Time Frame: At baseline (before the intervention), at the end of the intervention (but before neurosurgery), and at the first available follow up (from one month up to one year after surgery)
Assessment of tumour location, volume (voxels, cm3) and distribution (based on neuroanatomical atlases)
At baseline (before the intervention), at the end of the intervention (but before neurosurgery), and at the first available follow up (from one month up to one year after surgery)
Neuroimaging_resting state fMRI
Time Frame: At baseline (before the intervention), at the end of the intervention (but before neurosurgery), and at the first available follow up (from one month up to one year after surgery)

Assessment of regional interaction in the brain (Blood-oxygen-level-dependent contrast imaging), during a rest condition.

High resolution multiband (anterior posterior phase-encoding, acceleration factor = 8) interleaved acquisitions (T2 - weighted echo-planar imaging scans, repetition time = 800 ms, echo time = 37 ms, 750 volumes, 72 slices, slice thickness = 2 mm, Field-of-view = 208 mm).

At baseline (before the intervention), at the end of the intervention (but before neurosurgery), and at the first available follow up (from one month up to one year after surgery)
Neuroimaging_fMRI_Word generation task
Time Frame: At baseline (before the intervention), at the end of the intervention (but before neurosurgery), and at the first available follow up (from one month up to one year after surgery)

Assessment of brain activity (Blood-oxygen-level-dependent contrast imaging) when the patient is asked to mention words starting with a certain letter.

High resolution multiband (anterior posterior phase-encoding, acceleration factor = 8) interleaved acquisitions (T2 - weighted echo-planar imaging scans, repetition time = 800 ms, echo time = 37 ms, 750 volumes, 72 slices, slice thickness = 2 mm, Field-of-view = 208 mm).

At baseline (before the intervention), at the end of the intervention (but before neurosurgery), and at the first available follow up (from one month up to one year after surgery)
Neuroimaging_fMRI_Semantic decision task
Time Frame: At baseline (before the intervention), at the end of the intervention (but before neurosurgery), and at the first available follow up (from one month up to one year after surgery)

Assessment of brain activity (Blood-oxygen-level-dependent contrast imaging) when the patient is asked to mention objects from certain places.

High resolution multiband (anterior posterior phase-encoding, acceleration factor = 8) interleaved acquisitions (T2 - weighted echo-planar imaging scans, repetition time = 800 ms, echo time = 37 ms, 750 volumes, 72 slices, slice thickness = 2 mm, Field-of-view = 208 mm).

At baseline (before the intervention), at the end of the intervention (but before neurosurgery), and at the first available follow up (from one month up to one year after surgery)
Neuroimaging_fMRI_Comprehensive auditive task
Time Frame: At baseline (before the intervention), at the end of the intervention (but before neurosurgery), and at the first available follow up (from one month up to one year after surgery)

Assessment of brain activity (Blood-oxygen-level-dependent contrast imaging) when the patient is asked to listen to a story.

High resolution multiband (anterior posterior phase-encoding, acceleration factor = 8) interleaved acquisitions (T2 - weighted echo-planar imaging scans, repetition time = 800 ms, echo time = 37 ms, 750 volumes, 72 slices, slice thickness = 2 mm, Field-of-view = 208 mm).

At baseline (before the intervention), at the end of the intervention (but before neurosurgery), and at the first available follow up (from one month up to one year after surgery)
Neuroimaging_fMRI_Finger tapping task
Time Frame: At baseline (before the intervention), at the end of the intervention (but before neurosurgery), and at the first available follow up (from one month up to one year after surgery)

Assessment of brain activity (Blood-oxygen-level-dependent contrast imaging) when the patient is asked to perform a fingering exercise.

High resolution multiband (anterior posterior phase-encoding, acceleration factor = 8) interleaved acquisitions (T2 - weighted echo-planar imaging scans, repetition time = 800 ms, echo time = 37 ms, 750 volumes, 72 slices, slice thickness = 2 mm, Field-of-view = 208 mm).

At baseline (before the intervention), at the end of the intervention (but before neurosurgery), and at the first available follow up (from one month up to one year after surgery)
Neuroimaging_fMRI_Ankle flexion task
Time Frame: At baseline (before the intervention), at the end of the intervention (but before neurosurgery), and at the first available follow up (from one month up to one year after surgery)

Assessment of brain activity (Blood-oxygen-level-dependent contrast imaging) when the patient is asked to move the corresponding foot up and down slowly.

High resolution multiband (anterior posterior phase-encoding, acceleration factor = 8) interleaved acquisitions (T2 - weighted echo-planar imaging scans, repetition time = 800 ms, echo time = 37 ms, 750 volumes, 72 slices, slice thickness = 2 mm, Field-of-view = 208 mm).

At baseline (before the intervention), at the end of the intervention (but before neurosurgery), and at the first available follow up (from one month up to one year after surgery)
Neuroimaging_fMRI_Tongue movement task
Time Frame: At baseline (before the intervention), at the end of the intervention (but before neurosurgery), and at the first available follow up (from one month up to one year after surgery)

Assessment of brain activity (Blood-oxygen-level-dependent contrast imaging) when the patient is asked to move the tongue in circles, without opening the mouth.

High resolution multiband (anterior posterior phase-encoding, acceleration factor = 8) interleaved acquisitions (T2 - weighted echo-planar imaging scans, repetition time = 800 ms, echo time = 37 ms, 750 volumes, 72 slices, slice thickness = 2 mm, Field-of-view = 208 mm).

At baseline (before the intervention), at the end of the intervention (but before neurosurgery), and at the first available follow up (from one month up to one year after surgery)
Neurophysiology_TMS mapping_hotspot
Time Frame: Baseline (before the intervention protocol)

Determination of the cortical target (x, y, z coordinates ijn MNI space) where motor evoked potentials were elicited with the lowest TMS stimulus intensity.

The muscle used as reference is the first dorsal interosseus (electrodes placed with belly-tendon montage).

Motor evoked potentials (MEP) are defined as those voltages produced 25 to 50 milliseconds after the TMS stimulus, with a peak-to-peak amplitude of at least 50 microVolts.

Baseline (before the intervention protocol)
Neurophysiology_TMS mapping_resting motor threshold
Time Frame: Baseline (before the intervention protocol)

Determination of the resting motor threshold (RMT), relatively to the hotspot. A cortical target is defined as MEP positive if at least 3 out of 6 MEP could be elicited.

To determine RMT, stimulus intensity is progressively reduced until less than 3 MEP out of 6 are elicited. RMT corresponds to this stimulus intensity + 1.

Baseline (before the intervention protocol)
Neurophysiology_TMS mapping_motor function
Time Frame: At baseline (before the intervention), at the end of the intervention (but before neurosurgery), and at the first available follow up (from one month up to one year after surgery)

Mapping of the motor area for the first dorsal interosseus, with intensity of 120% RMT.

5 stimuli are delivered to each cortical target, with 5 seconds of interval in between. Cortical mapping is then created by averaging the peak-to-peak amplitude (microVolts) resulting from the stimulation of each target.

At baseline (before the intervention), at the end of the intervention (but before neurosurgery), and at the first available follow up (from one month up to one year after surgery)
Neurophysiology_TMS mapping_language function
Time Frame: At baseline (before the intervention), at the end of the intervention (but before neurosurgery), and at the first available follow up (from one month up to one year after surgery)

Mapping of language function in regions corresponding to Broca and Wernicke areas, with intensity of 90% RMT (one train of 5 pulses, 5 Hertz). Images are presented, one at a time, on a screen placed in front of the patient. At the same of image presentation, stimulation is delivered (for a total of one second), and audio recording initiates (for a total of 4 seconds). A neuropsychologist is present to determine whether there was any interference in the verbal response due to TMS stimulation.

If any interference appears, for instance paraphasia o anomia, the cortical target is considered positive for language, hence functionally related to speech processing; otherwise, it is considered negative.

At baseline (before the intervention), at the end of the intervention (but before neurosurgery), and at the first available follow up (from one month up to one year after surgery)
Surgical outcomes
Time Frame: Within the first week after surgery
Descriptive report of surgical outcomes, including results from intraoperative brain mapping, the absolute and relative volume (voxels, cm3) of tumour removed, adverse events, neurological status post-surgery, and tumour classification based on clinical and histological findings.
Within the first week after surgery

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

June 21, 2021

Primary Completion (Anticipated)

December 31, 2025

Study Completion (Anticipated)

December 31, 2025

Study Registration Dates

First Submitted

March 10, 2023

First Submitted That Met QC Criteria

April 25, 2023

First Posted (Estimate)

May 4, 2023

Study Record Updates

Last Update Posted (Estimate)

May 4, 2023

Last Update Submitted That Met QC Criteria

April 25, 2023

Last Verified

April 1, 2023

More Information

Terms related to this study

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

UNDECIDED

IPD Plan Description

The data that support the findings of this study will be available from the corresponding author, upon reasonable request. Alternatively, an online data repository named "Joan Ribas Araquistain Dataset on BRAIN TUMOR PREHABILITATION" will be created and made accessible upon reasonable request to accredited clinicians, researchers, and institutions in the field of neuro-oncology. Furthermore, will sought to establish collaboration agreements with international oncology databases, such as the Georgetown Database of Cancer (G-DOC), REMBRANDT (REpository for Molecular BRAin Neoplasia DaTA) and the Cancer Imaging Archive.

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

Clinical Trials on Brain Tumor

Clinical Trials on Non-invasive neuromodulation (TMS and/or tDCS)

Subscribe