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OncoMatch/Clinical Trials/NCT05879367

Evaluation of Eflornithine Plus Temozolomide in Patients With Newly Diagnosed Glioblastoma or Astrocytoma

Is NCT05879367 recruiting? Yes, currently enrolling (May 2026). This Phase 1 trial studies multiple treatments including Eflornithine (Dose Level 1) and Eflornithine (Dose Level 2) for glioblastoma, idh-wildtype.

Phase 1RecruitingOrbus Therapeutics, Inc.NCT05879367Data as of May 2026

Treatment: Eflornithine (Dose Level 1) · Eflornithine (Dose Level 2) · Eflornithine (Dose Level -1) · TemozolomideThe purpose of this study is to establish the recommended phase 2 dose of eflornithine in combination with temozolomide in patients whose glioblastoma or astrocytoma is newly diagnosed, and to evaluate safety and tolerability of this combination at that dose.

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Extracted eligibility criteria

Cancer type

Glioblastoma

Biomarker criteria

Required: CDKN2A intact

Required: CDKN2B intact

Required: IDH1 mutation

Required: IDH1 wild-type

Required: IDH2 mutation

Required: IDH2 wild-type

Disease stage

Grade: G4 (GBM), G3 (astrocytoma) (WHO)

WHO G4 classified GBM, IDH-wildtype (patients with GBM) or G3 astrocytoma (IDH1 or 2 mutant; CDKN2A/B intact) per WHO 2021 tumor classification

Prior therapy

Must have received: radiation therapy — external beam

Completed external beam radiation therapy per standard of care

Must have received: alkylating agent (temozolomide) — chemoradiation (GBM)

Must have received at least 80% of planned daily doses of TMZ during chemoradiation (GBM)

Must have received: alkylating agent (temozolomide) — adjuvant (astrocytoma)

Must have tolerated adjuvant TMZ treatment through at least 2 and not more than 4 cycles (astrocytoma)

Cannot have received: systemic chemotherapy

Exception: other than temozolomide during external beam radiation therapy (GBM) or adjuvant temozolomide through up to 4 pre-study cycles (astrocytoma)

Prior systemic chemotherapy other than temozolomide during external beam radiation therapy (for patients with GBM) or adjuvant temozolomide through up to 4 pre-study cycles (for patients with astrocytoma)

Cannot have received: tumor treating fields (Optune)

Prior Optune treatment

Lab requirements

Blood counts

adequate hematologic function as indicated by hematology testing

Kidney function

adequate renal function as indicated by serum chemistry testing

Liver function

adequate hepatic function as indicated by serum chemistry testing

Structured fields extracted by AI. May contain errors — verify against the official protocol.

US trial sites

  • University of Alabama at Birmingham · Birmingham, Alabama
  • Henry Ford Hospital · Detroit, Michigan
  • Columbia University Medical Center - Herbert Irving Pavilion · New York, New York
  • Duke University · Durham, North Carolina
  • The Cleveland Clinic · Cleveland, Ohio

Showing up to 5 US sites. See all sites on ClinicalTrials.gov →

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