NCT03641391

Brief Summary

The study aims at constructing a Chinese language probabilistic map by awake intraoperative direct electrical stimulation (DES) language mapping. At the same time, the standardization and optimization of awake intraoperative DES parameters will be explored, factors affecting postoperative function morbidity and survival will also be analyzed.

Trial Health

43
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
300

participants targeted

Target at P75+ for not_applicable

Timeline
Completed

Started Sep 2018

Longer than P75 for not_applicable

Geographic Reach
1 country

3 active sites

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

August 14, 2018

Completed
8 days until next milestone

First Posted

Study publicly available on registry

August 22, 2018

Completed
10 days until next milestone

Study Start

First participant enrolled

September 1, 2018

Completed
5.3 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 1, 2023

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2023

Completed
Last Updated

August 22, 2018

Status Verified

August 1, 2018

Enrollment Period

5.3 years

First QC Date

August 14, 2018

Last Update Submit

August 19, 2018

Conditions

Keywords

Awake surgeryDirect cortical stimulationLanguage mappingGlioma

Outcome Measures

Primary Outcomes (1)

  • Incidence rate of postoperative language deficits

    Language deficits were considered when the participant presents with aphasia or severe dysphasia measured by standardized Aphasia Battery of Chinese (ABC, a Chinese version of Western Aphasia Battery) having the Aphasia Quotient (AQ) less than 50 (where lower values represent a worse outcome).

    The first month and the third month after surgery

Secondary Outcomes (3)

  • Location of positive sites in cortical mapping

    During surgery

  • Incidence rate of intraoperative epilepsy induced by direct cortical stimulation

    During surgery

  • Extent of resection

    Within 72h after surgery

Study Arms (1)

Direct electrical stimulation

EXPERIMENTAL

Intraoperative direct cortical electrical stimulation or intraoperative direct subcortical electrical stimulation on language or language-associate areas, and the participants' after-discharge activity would be monitored. The participants would be undergone awake anesthesia and asked to perform language tasks during the stimulation.

Procedure: Intraoperative direct cortical electrical stimulationProcedure: Intraoperative direct subcortical electrical stimulation

Interventions

Intraoperative direct electrical stimulation on language or language-associate cortex, was performed using a 5-mm wide bipolar electrode with a pulse frequency of 60 Hz and an amplitude of 1.5 to 6 milliamperage. The somatosensory evoked potential was recorded with a 6-contact subdural strip electrode. If after-discharge activity indicated that the stimulation current was too high, the current amplitude was decreased by 0.5 to 1 milliamperage. The participants would be undergone awake anesthesia and asked to perform language tasks during the stimulation.

Direct electrical stimulation

Intraoperative direct electrical stimulation on language or language-associate subcortical pathways, was performed using a biphasic square-wave pulse delivered at 60 Hz with a current amplitude ranging from 1.5 to 10 milliamperage. The somatosensory evoked potential was recorded with a 6-contact subdural strip electrode. If after-discharge activity indicated that the stimulation current was too high, the current amplitude was decreased by 0.5 to 1 milliamperage. The participants would be undergone awake anesthesia and asked to perform language tasks during the stimulation.

Direct electrical stimulation

Eligibility Criteria

Age14 Years - 70 Years
Sexall
Healthy VolunteersNo
Age GroupsChild (0-17), Adult (18-64), Older Adult (65+)

You may qualify if:

  • Individuals aged 14-70 years with highly suspected (as assessed by study surgeon), newly diagnosed, untreated malignant glioma;
  • Individuals with gliomas with bodies involving in dominate side language area(see appendix 1);
  • Individuals with the preoperative assessment that radiological radically should be achieved;
  • Individuals who are cooperative and well tolerated with awake craniotomy;
  • Individuals presents with good communicate and explanation preoperatively;
  • All participants gave written informed consent.
  • Appendix 1. Tumor location in eloquent areas: located in or close to areas of the dominant-hemisphere that associated with motor or language functions, including:
  • Frontal lobe, which divided into inferior frontal gyrus (BA44-Pars opercularis, BA45-Pars triangularis/Broca's area), middle frontal gyrus (BA9, BA46), superior frontal gyrus (BA4, BA6, BA8), primary motor cortex (BA4), premotor cortex (BA6), and supplementary motor area (BA6);
  • Parietal lobe, which divided into inferior parietal lobule (BA40- supramarginal gyrus, BA39-angular gyrus), parietal operculum (BA43), and primary somatosensory cortex (BA1, BA2, BA3);
  • Temporal lobe, which divided into transverse temporal gyrus (BA41, BA42), superior temporal gyrus (BA38, BA22/Wernicke's area), middle temporal gyrus (BA21);
  • Insular lobe.

You may not qualify if:

  • Individuals with age \< 14 years or \> 70 years;
  • Individuals presents with impaired cognitive function or unstable mental status;
  • Individuals has higher intracranial pressure, sleep apnea syndrome, difficult airway or morbid obesity, claustrophobia, uncontrolled coughing, uncontrolled seizures or inability to stay still etc.;
  • Recurrent gliomas after surgery (except needle biopsy);
  • Primary gliomas with history of radiotherapy or chemotherapy;
  • Renal insufficiency or hepatic insufficiency;
  • History of malignant tumors at any body site;
  • Tumors of the midline, basal ganglia, cerebellum, or brain stem;
  • Inability or unwilling to give informed consent.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (3)

Zhongshan Hospital Affiliated to Fudan University

Shanghai, Shanghai Municipality, 200032, China

Location

Huashan Hospital Affiliated to Fudan University

Shanghai, Shanghai Municipality, 200040, China

Location

Huashan Hospital North, Fudan University

Shanghai, Shanghai Municipality, 201907, China

Location

Related Publications (10)

  • Tate MC, Herbet G, Moritz-Gasser S, Tate JE, Duffau H. Probabilistic map of critical functional regions of the human cerebral cortex: Broca's area revisited. Brain. 2014 Oct;137(Pt 10):2773-82. doi: 10.1093/brain/awu168. Epub 2014 Jun 25.

    PMID: 24970097BACKGROUND
  • Sanai N, Mirzadeh Z, Berger MS. Functional outcome after language mapping for glioma resection. N Engl J Med. 2008 Jan 3;358(1):18-27. doi: 10.1056/NEJMoa067819.

    PMID: 18172171BACKGROUND
  • Chang EF, Breshears JD, Raygor KP, Lau D, Molinaro AM, Berger MS. Stereotactic probability and variability of speech arrest and anomia sites during stimulation mapping of the language dominant hemisphere. J Neurosurg. 2017 Jan;126(1):114-121. doi: 10.3171/2015.10.JNS151087. Epub 2016 Feb 19.

    PMID: 26894457BACKGROUND
  • Duffau H. Stimulation mapping of white matter tracts to study brain functional connectivity. Nat Rev Neurol. 2015 May;11(5):255-65. doi: 10.1038/nrneurol.2015.51. Epub 2015 Apr 7.

    PMID: 25848923BACKGROUND
  • Wu J, Lu J, Zhang H, Zhang J, Yao C, Zhuang D, Qiu T, Guo Q, Hu X, Mao Y, Zhou L. Direct evidence from intraoperative electrocortical stimulation indicates shared and distinct speech production center between Chinese and English languages. Hum Brain Mapp. 2015 Dec;36(12):4972-85. doi: 10.1002/hbm.22991. Epub 2015 Sep 9.

    PMID: 26351094BACKGROUND
  • Wu J, Lu J, Zhang H, Zhang J, Mao Y, Zhou L. Probabilistic map of language regions: challenge and implication. Brain. 2015 Mar;138(Pt 3):e337. doi: 10.1093/brain/awu247. Epub 2014 Sep 4. No abstract available.

    PMID: 25190682BACKGROUND
  • Nakai Y, Jeong JW, Brown EC, Rothermel R, Kojima K, Kambara T, Shah A, Mittal S, Sood S, Asano E. Three- and four-dimensional mapping of speech and language in patients with epilepsy. Brain. 2017 May 1;140(5):1351-1370. doi: 10.1093/brain/awx051.

    PMID: 28334963BACKGROUND
  • Breshears JD, Molinaro AM, Chang EF. A probabilistic map of the human ventral sensorimotor cortex using electrical stimulation. J Neurosurg. 2015 Aug;123(2):340-9. doi: 10.3171/2014.11.JNS14889. Epub 2015 May 15.

    PMID: 25978714BACKGROUND
  • Lu J, Wu J, Yao C, Zhuang D, Qiu T, Hu X, Zhang J, Gong X, Liang W, Mao Y, Zhou L. Awake language mapping and 3-Tesla intraoperative MRI-guided volumetric resection for gliomas in language areas. J Clin Neurosci. 2013 Sep;20(9):1280-7. doi: 10.1016/j.jocn.2012.10.042. Epub 2013 Jul 10.

    PMID: 23850046BACKGROUND
  • Ritaccio AL, Brunner P, Schalk G. Electrical Stimulation Mapping of the Brain: Basic Principles and Emerging Alternatives. J Clin Neurophysiol. 2018 Mar;35(2):86-97. doi: 10.1097/WNP.0000000000000440.

    PMID: 29499015BACKGROUND

MeSH Terms

Conditions

Glioma

Condition Hierarchy (Ancestors)

Neoplasms, NeuroepithelialNeuroectodermal TumorsNeoplasms, Germ Cell and EmbryonalNeoplasms by Histologic TypeNeoplasmsNeoplasms, Glandular and EpithelialNeoplasms, Nerve Tissue

Study Officials

  • Jinsong Wu, MD

    Huashan Hospital

    PRINCIPAL INVESTIGATOR
  • Dongxiao Zhuang, MD

    Huashan Hospital

    STUDY DIRECTOR
  • Tianming Qiu, MD

    Huashan Hospital

    STUDY DIRECTOR
  • Junfeng Lu, MD

    Huashan Hospital

    STUDY DIRECTOR

Central Study Contacts

Jinsong Wu, MD

CONTACT

Junfeng Lu, MD

CONTACT

Study Design

Study Type
interventional
Phase
not applicable
Allocation
NA
Masking
NONE
Purpose
PREVENTION
Intervention Model
SINGLE GROUP
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Professor

Study Record Dates

First Submitted

August 14, 2018

First Posted

August 22, 2018

Study Start

September 1, 2018

Primary Completion

December 1, 2023

Study Completion

December 1, 2023

Last Updated

August 22, 2018

Record last verified: 2018-08

Locations