Low Dose Radiation Therapy for Glioblastoma Multiforme
A Phase II Trial of Low Dose Fractionated Radiation Therapy as a Chemo-Potentiator of Salvage Temozolomide for Recurrent Anaplastic Astrocytoma and Glioblastoma Multiforme
2 other identifiers
interventional
31
1 country
3
Brief Summary
To evaluate the safety and effectiveness of low dose rate radiation therapy plus temozolomide. This will be in patients with High Grade Glioma (to only include Anaplastic Astrocytoma or Glioblastoma Multiforme) who have previously been treated with surgery followed by radiation surgical resection followed by adjuvant radiation therapy plus temozolomide.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for phase_2
Started Sep 2012
Longer than P75 for phase_2
3 active sites
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
November 3, 2011
CompletedFirst Posted
Study publicly available on registry
November 8, 2011
CompletedStudy Start
First participant enrolled
September 1, 2012
CompletedPrimary Completion
Last participant's last visit for primary outcome
December 1, 2021
CompletedStudy Completion
Last participant's last visit for all outcomes
December 1, 2022
CompletedResults Posted
Study results publicly available
July 3, 2023
CompletedJuly 3, 2023
June 1, 2023
9.3 years
November 3, 2011
May 9, 2023
June 14, 2023
Conditions
Keywords
Outcome Measures
Primary Outcomes (2)
Response Rate
To estimate the response rate to salvage temozolomide plus LDFRT.
3, 6 and 12 month follow-up after therapy has been completed
Overall Survival Rate
Overall survival rate is calculated as the median number of months that patients were alive for the cohort
up to 12 months after completion of temozolomide (48 weeks of treatment)
Secondary Outcomes (3)
Progression Free Survival Rate
up to 12 months after completion of temozolomide (48 weeks of treatment)
Number of Patients With Hematologic Toxicities
Approximately every month from study start until 48 weeks, and then up to 12 months after completion of temozolomide at 3, 6, and 12 months follow up
Number of Patients With Neurologic Toxicity
Approximately every month from study start until 48 weeks, and then up to 12 months after completion of temozolomide at 3, 6, and 12 months follow up
Study Arms (1)
Temozolomide with Low Dose Fractionated Radiation Therapy
EXPERIMENTALAll patients will receive temozolomide (150 to 200 mg per square meter for 5 days during each 28 day cycle) for a total of 1 year or until the time of disease progression. All patients will receive 0.5 Gy of radiation therapy twice daily. This study will include a safety run-in component. If \> 33% of patients in the initial cohort of 6 experience grade 3 or greater hematologic toxicity according to the NCI Common Toxicity Criteria version 4, then a dose reduction will occur following the schedule listed below. Otherwise, following a 1 month waiting period after the first cycle of adjuvant LDFRT plus temozolomide for the first cohort of patients, the phase 2 study will open for full accrual. Patients will receive radiation with the first six 28-day cycles of temozolomide.
Interventions
All patients will receive 0.5 Gy of radiation therapy twice daily. This study will include a safety run-in component. If \> 33% of patients in the initial cohort of 6 experience grade 3 or greater hematologic toxicity according to the NCI Common Toxicity Criteria version 4, then a dose reduction will occur following the schedule listed below.
All patients will receive temozolomide (150 to 200 mg per square meter for 5 days during each 28 day cycle) for a total of 1 year or until the time of disease progression.
Eligibility Criteria
You may qualify if:
- Patients must have recurrent GBM (Glioblastoma Multiforme)or Anaplastic Astrocytoma.
- The diagnosis of GBM or Anaplastic Astrocytoma.
- Patients must have been previously treated with surgical resection (any extent okay) and adjuvant radiation therapy plus temozolomide.
- Patients must be at least 12 months from completion of radiation therapy
- At least 2 months from completion of temozolomide (to be consistent with the the "rechallenge" group from Perry et al. JCO 2010).
- Age \>18 years
- ECOG performance status \<2 (Karnofsky \>60%, see appendix A).
- There must be measurable disease on MRI.
- Patients must have normal organ and marrow function as defined below:
- Women must not be pregnant
- Ability to understand and the willingness to sign a written informed consent document
- Temozolomide re-treatment is planned by the treating neuro-oncologist.
- The most recent brain tumor pathology obtained for the patient must be glioblastoma.
You may not qualify if:
- Must be able to receive an MRI
- Patients may not be receiving any other investigational cancer treatment agents at the time of enrollment.
- Patients may not have previously failed treatment with salvage temozolomide.
- Patients may not have previously failed treatment with a VEGF inhibitor.
- Patients may not have previously been treated with \>1 course of radiotherapy.
- Patients may not have previously been treated with radiosurgery to the brain.
- Uncontrolled intercurrent illness
- Pregnant and breastfeeding women are excluded. Women of child-bearing potential who are unwilling or unable to use and acceptable method of birth control to avoid pregnancy for the entire study period and up to 12 weeks after the study are excluded. Male subjects must also agree to use effective contraception for the same period as above.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (3)
Sibley Memorial Hospital
Washington D.C., District of Columbia, 20016, United States
The Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Baltimore, Maryland, 21231, United States
Suburban Hospital
Bethesda, Maryland, 20814, United States
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Results Point of Contact
- Title
- Kristin Redmond, MD
- Organization
- Sidney Kimmel Comprehensive Cancer Center @ Johns Hopkins Medicine
Study Officials
- PRINCIPAL INVESTIGATOR
Kristin Redmond, M.D.
Johns Hopkins University
Publication Agreements
- PI is Sponsor Employee
- Yes
Study Design
- Study Type
- interventional
- Phase
- phase 2
- Allocation
- NA
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- SINGLE GROUP
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
November 3, 2011
First Posted
November 8, 2011
Study Start
September 1, 2012
Primary Completion
December 1, 2021
Study Completion
December 1, 2022
Last Updated
July 3, 2023
Results First Posted
July 3, 2023
Record last verified: 2023-06