Status:

RECRUITING

THERApeutic Outcomes Related to Gut microBIOME in Glioblastoma (GBM) Patients Receiving Chemo-radiation (THERABIOME-GBM)

Lead Sponsor:

Ottawa Hospital Research Institute

Conditions:

Glioblastoma, IDH-wildtype

Eligibility:

All Genders

18+ years

Brief Summary

This is a pilot or feasibility study to test the study plan and to find out whether enough participants will join a larger study and accept the study procedures. Eligible participants (adults with new...

Detailed Description

This is a prospective observational study designed to assess changes in the gut microbial composition and diversity in prospectively collected stool samples at important time points throughout GBM tre...

Eligibility Criteria

Inclusion

  • Patients with newly diagnosed WHO grade 4 glioblastoma, IDH-1 R132H wild type
  • Maximum safe resection (≥70% of initial tumor volume resected)
  • Age ≥ 18
  • Eastern Cooperative Oncology Group (ECOG) performance status 0 to 1 or ECOG 2 if on ≤ 8 mg/day of dexamethasone (or bioequivalent)
  • Plan to receive 60 Gy / 30 fractions of radiation with temozolomide within 12 weeks of surgery
  • Patient or substitute decision maker able to provide written informed consent

Exclusion

  • Metastatic cancer or secondary cancer that could affect interpretation of primary and secondary study outcomes
  • Receiving additional systemic therapy / clinical intervention for glioblastoma that would prevent a uniform treatment cohort with temozolomide and radiation x 6 weeks followed by adjuvant temozolomide 150-200 mg/m2 on days 1-5 every 28 days for up to 6 cycles.\*
  • Inability to collect study stool samples
  • Any diagnosis or medical condition, physical and / or psychological, that the investigator feels precludes the patient from participation in the study.
  • If there is a new standard of care treatment for newly diagnosed GBM before the first patient is enrolled (e.g., Optune Tumor Treating Fields), then we will allow all patients on this study to adopt the new standard of care therapy. To allow for maximum patient accrual, if patient chooses to enroll on an open label randomized therapeutic study whereby the control arm involves only the standard of care treatment, then patients enrolled in the control arm could be eligible for this study at the discretion of the investigator.

Key Trial Info

Start Date :

March 2 2023

Trial Type :

OBSERVATIONAL

Allocation :

ESTIMATED

End Date :

September 1 2029

Estimated Enrollment :

20 Patients enrolled

Trial Details

Trial ID

NCT05326334

Start Date

March 2 2023

End Date

September 1 2029

Last Update

April 18 2023

Active Locations (1)

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Page 1 of 1 (1 locations)

1

The Ottawa Hospital Cancer Centre

Ottawa, Ontario, Canada, K1H 8L6

THERApeutic Outcomes Related to Gut microBIOME in Glioblastoma (GBM) Patients Receiving Chemo-radiation (THERABIOME-GBM) | DecenTrialz