Dose Escalation Trial of Re-irradiation in Good Prognosis Recurrent Glioblastoma

  • STATUS
    Recruiting
  • End date
    Oct 30, 2026
  • participants needed
    24
  • sponsor
    National Cancer Institute (NCI)
Updated on 23 June 2021
MRI
cytotoxic chemotherapy
bevacizumab
glioblastoma multiforme
temozolomide
gliosarcoma
recurrent glioblastoma
combined modality therapy

Summary

Background

A glioblastoma is a tumor in the brain. It is treated with surgery, chemotherapy and radiation therapy. However, most people s tumors come back after therapy. When the tumor grows back, surgery or chemotherapy may not be possible or may no longer work. Repeat radiation therapy or re-irradiation, is an option for treating these tumors when they regrow.

Objective

To find out the safety and highest tolerated dose of re-irradiation for people who have recurrent glioblastoma.

Eligibility

People ages 18 50 who have glioblastoma that has been treated with radiation but has regrown.

Design

Participants will be screened with:

Medical history

Physical exam

MRI of the brain: They will lie in a machine that takes pictures of the brain.

Participants will have baseline tests before they start therapy. These will include:

Blood tests

Neuropsychological tests: These test things like memory, attention, and thinking.

Quality of life questionnaire

Eye and hearing tests

Participants will get a CT of the brain prior to radiation start in order to plan the radiation treatment. Once the plan is completed, they will receive radiation once a day Monday Friday for a total of 10 17 treatments. They will lie on their back for about 10 minutes while they get the treatment.

Participants will be monitored for side effects.

After they finish treatment, participants will have visits 1, 2, and 3 months later. Then they will have them every 2 months for 3 years. These will include:

Medical history

Physical exam

Blood tests

MRI of the brain.

Quality of life questionnaire

Neuropsychological tests (at some visits)

After 3 years, participants will be contacted by phone each month.

Description

Background

  • Although the survival of gliomas has improved, most high grade gliomas will recur in field or adjacent to the treatment field within months to years of the original treatment. In newly diagnosed GBM, the concurrent use of radiation and temozolomide is standard of care.
  • Surgical resection upon recurrence is possible in less than 50% of patients. For a significant proportion of recurrent glioma patients in whom reresection is not favourable and for whom systemic options have been exhausted, re-irradiation has emerged as a possible treatment option.
  • Using modern precision RT techniques (stereotactic radiosurgery (SRS), stereotactic radiotherapy (SRT) or intensity modulated radiation therapy (IMRT), Rapid Arc techniques), re-irradiation has proven a feasible option with possible benefit in outcome as these techniques are often able to minimize dose to previously treated organs at risk in the field (OAR) and treat the recurrence safely.
  • Data from multiple retrospective studies has indicated that not only is re-irradiation feasible, but it may actually improve survival in the appropriately selected patient.

Objective

The primary objective of this phase I study is to determine maximum tolerated re-irradiation dose (MTD).

Eligibility

  • Recurrent glioblastoma or gliosarcoma
  • Prior standard radiation therapy to a dose ranging from 50 to 60 Gy at 1.8 to 2 Gy per fraction.
  • Prior irradiation > 12 months from enrollment on protocol.
  • Age greater than or equal to 18.
  • KPS greater than or equal to 70

Design

  • Radiation therapy will be administered daily Monday-Friday at Radiation Oncology Branch (ROB), NCI. All the protocol related follow-up appointments will occur at NCI ROB. Radiation therapy dose will be administered on consecutive treatment days, 5 fractions per week via a linear accelerator using 6 MV photons or greater. Using a 3 plus 3 design , and three dose escalation levels, with 6 patients per dose level with 9 total patients at the MTD (provided no DLT), a maximum of 21 evaluable patients will be enrolled.
  • Time to progression will be determined by the interval from initiation of treatment on protocol to progression as per RANO criteria.
  • Neurologic decline without radiographic evidence of tumor will be designated as treatment related toxicity. Survival duration will be determined by the interval from initiation of treatment on protocol to date of death.

Details
Condition Glioma, gliosarcoma, Glioblastoma Multiforme, Gliomas, glioblastoma, giant cell glioblastoma
Treatment Radiation
Clinical Study IdentifierNCT02709226
SponsorNational Cancer Institute (NCI)
Last Modified on23 June 2021

Eligibility

Yes No Not Sure

Inclusion Criteria

Histological diagnosis
Previous histologic diagnosis of glioblastoma, transformation to glioblastoma
or gliosarcoma established by biopsy or resection prior to enrollment as
evident on NIH or outside pathology
\. Patients must be age greater than or equal to 18
\. Patients should have a KPS greater than or equal to 70%
\. Prior standard radiation therapy to a dose ranging from 50 to 60 Gy at 1.8
to 2 Gy per fraction
\. Patients must be more than or equal to 14 days from previous cytotoxic
treatment
\. Concurrent therapy
The concurrent use of bevacizumab is allowed if previously initiated for tumor
progression or symptomatic management. Prior temozolomide or other cytotoxic
chemotherapy is allowed
\. Ability of subject or Legally Authorized Representative (LAR) to
understand and the willingness to sign a written informed consent document
\. Women of child-bearing potential and men must agree to use adequate
contraception (hormonal or barrier method of birth control; abstinence) prior
to study entry and for the duration of study participation. Should a woman
become pregnant or suspect she is pregnant while she or her partner is
participating in this study, she should inform her treating physician
immediately

Exclusion Criteria

Prior therapy < than 2 weeks since surgical re-resection or biopsy
Pregnant or breast feeding females are excluded due to potential mutagenic effects on the developing fetus or newborn
Preexisting grade 3 or 4 nervous system disorder as per CTCAE Version 4.0
Clinically significant unrelated systemic illness (including but not limited to active life threatening infection, cardiac or neurologic events, current hospital admission for a coexisting comorbid illness), which would make it impossible for the patient to tolerate re-irradiation or systemic chemotherapy or likely to interfere with the results
Patients exhibiting baseline grade 3 or 4 by CTCAE criteria are excluded due to difficulty in assigning these to the study intervention as treatment related DLT
Patients with preexisting known or suspected radiation sensitivity syndromes will be excluded due to potential confounding effect on outcome
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Additional screening procedures may be conducted by the study team before you can be confirmed eligible to participate.

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If you are confirmed eligible after full screening, you will be required to understand and sign the informed consent if you decide to enroll in the study. Once enrolled you may be asked to make scheduled visits over a period of time.

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Complete your scheduled study participation activities and then you are done. You may receive summary of study results if provided by the sponsor.

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