- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03534050
Neuropsychological and Oncological Outcomes in Grade 2 or 3 Glioma Patients Undergoing Postoperative Modern Radiotherapy
Neuropsychological and Oncological Outcomes in Grade 2 or 3 Glioma Patients Undergoing Postoperative Modern Radiotherapy - A Prospective Follow-up Study
Background: Infiltrative low grade gliomas (LGGs) are the most common primary central nervous system malignancies excluding the highest grade glioma, glioblastoma multiforme. Craniotomy with maximal safe tumor resection is endeavored to achieve longer survivals in LGG patients. Unfortunately, due to the infiltrative nature of gliomas and the frequent tumor location in eloquent areas, gross total resection is usually not applicable. According to National Comprehensive Cancer Network 2015 guidelines, postoperative adjuvant radiation therapy (RT) is recommended for most adult patients with low-grade infiltrative LGGs in order to enhance local control and prolong progression-free survival (PFS), except those who are no older than 40 years of age and in whom maximal safe resection is not feasible. However, brain irradiation-related neurocognitive function (NCF) sequelae are potentially and indeed a concern which should not be ignored. In terms of the time course of cranial irradiation-induced NCF decline, it might vary considerably according to the specific domains which are selected to be measured. Early neurocognitive decline principally involve impairments of episodic memory, which has been significantly associated with functions of the hippocampus. This study thus aims to investigate the impact of partial brain irradiation with using contemporary radiotherapeutic techniques on neurocognitive performances, intracranial local control, and progression-free survival in patients with intracranial high-risk grade 2 or 3 gliomas.
Methods: Patients with intracranial high-risk low-grade or grade 3 gliomas will be enrolled to this study once postoperative adjuvant RT is recommended. All eligible and recruited patients should receive baseline functional brain MRI examination and baseline neurobehavioral assessment. Subsequently, partial cranial irradiation will be initiated within one month approximately after enrollment. Brain RT dose will be 5000 - 6000 cGy in 25 - 30 fraction during 5 - 7 weeks. Accordingly, a battery of neuropsychological measures, which includes 7 standardized neuropsychological tests (e.g., executive functions, verbal & non-verbal memory, working memory, and psychomotor speed), is used to evaluate neurobehavioral functions for our registered patients. The primary outcome measure is delayed recall, as determined by the change/decline in verbal memory or non-verbal memory from the baseline assessment to 4 months after the start of postoperative adjuvant RT.
Study Overview
Status
Conditions
Intervention / Treatment
Study Type
Enrollment (Anticipated)
Phase
- Phase 2
- Phase 3
Contacts and Locations
Study Locations
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Taoyuan, Taiwan, 333
- Recruiting
- Chang Gung Memorial Hospital
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- All patients with infiltrative low-grade gliomas who have received craniotomy plus tumor removal or at least biopsy with pathologic conformation; brain radiation therapy is recommended owning to some high-risk features including subtotal resection (STR) or age at craniotomy older than 40 years old
- Good performance status no worse than Eastern Cooperative Group (ECOG) of 2 or a general status of Karnofsky Score (KPS) at least 70 %
Exclusion Criteria:
- A pathological diagnosis confirmed to be WHO grade IV glioma (i.e., glioblastoma multiforme) or grade I disease (i.e., pilocystic astrocytoma)
- Radiographic evidence of gliomatosis cerebri
- Prior cranial irradiation for any reasons
Study Plan
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: postoperative adjuvant RT
In this prospective observational study, all potentially eligible patients are clinically indicated for receiving postoperative adjuvant RT.
Namely, partial cranial irradiation will be initiated within one month approximately after enrollment.
Prescription dose will be 5000 - 6000 cGy in 25 - 30 fraction during 5 - 7 weeks.
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
The primary endpoint is delayed recall, as determined by the change/decline in verbal memory (WMS III- Word List score) from the baseline assessment to 4 months after the start of postoperative adjuvant RT.
Time Frame: 4 months after the start of postoperative adjuvant RT
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Neurocognitive assessment: including memory, executive functions, and psychomotor speed.
This neurocognitive outcome was delayed recall, as determined by the change/decline in verbal memory [Wechsler Memory Scale - 3rd edition (WMS III) - Word List score] from the baseline assessment to 4 months after the start of the course of postoperative adjuvant RT.
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4 months after the start of postoperative adjuvant RT
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The primary endpoint is delayed recall, as determined by the change/decline in non-verbal memory (WMS III- Visual Reproduction score) from the baseline assessment to 4 months after the start of postoperative adjuvant RT.
Time Frame: 4 months after the start of postoperative adjuvant RT
|
Neurocognitive assessment: including memory, executive functions, and psychomotor speed.
This neurocognitive outcome was delayed recall, as determined by the change/decline in non-verbal memory (WMS III- Visual Reproduction score) from the baseline assessment to 4 months after the start of the course of postoperative adjuvant RT.
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4 months after the start of postoperative adjuvant RT
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Overall survival time, indicated by the time from the date of recruitment to the date of expiring.
Time Frame: up to 24 months
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up to 24 months
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The time from the date of recruitment to that of intracranial progression/failure noted on brain MRI or CT.
Time Frame: up to 24 months
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up to 24 months
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The delayed recall will follow up until 24 months after the start of postoperative adjuvant RT.
Time Frame: up to 24 months
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The follow-up of neurocognitive assessment will be administered at 8 months, 12 months, 18 months and up to 24 months after the start of postoperative adjuvant RT.
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up to 24 months
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Collaborators and Investigators
Sponsor
Publications and helpful links
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- 104-9201B
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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.
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