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OncoMatch/Clinical Trials/NCT06672575

A Phase I/II Study of IVONESCIMAB in Recurrent Glioblastoma

Is NCT06672575 recruiting? Yes, currently enrolling (Sep 2026). This Phase 1/2 trial studies Ivonescimab for glioblastoma.

Phase 1/2RecruitingM.D. Anderson Cancer CenterNCT06672575Data as of Sep 2026

Treatment: IvonescimabThe goal of Phase 1 of this clinical research study is to find the highest tolerable dose and the recommended Phase 2 dose of ivonescimab that can be given to patients who have recurrent glioblastoma. The goal of Phase 2 of this clinical research study is to learn if the recommended Phase 2 dose of ivonescimab found in Phase 1 can help to control the disease.

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Extracted eligibility criteria

Treatments studied

Immunotherapy

Ivonescimab

Cancer type

Glioblastoma

Biomarker criteria

Required: IDH1 wild-type

Disease stage

Grade: 4 (WHO CNS 2021)

Diagnosis of Glioblastoma IDH-wildtype, WHO Grade 4 consistent with WHO CNS 2021 criteria. Measurable or evaluable disease per RANO criteria

Prior therapy

Must have received: radiation therapy

patients must have previously been treated with radiation with or without temozolomide

Cannot have received: anti-VEGF therapy

History of prior treatment of GB with anti-VEGF and/or anti-PD-1/PDL-1 agents, including monotherapy with either category or combinations thereof

Cannot have received: anti-PD-1 therapy

History of prior treatment of GB with anti-VEGF and/or anti-PD-1/PDL-1 agents, including monotherapy with either category or combinations thereof

Cannot have received: anti-PD-L1 therapy

History of prior treatment of GB with anti-VEGF and/or anti-PD-1/PDL-1 agents, including monotherapy with either category or combinations thereof

Cannot have received: interstitial brachytherapy

Has received prior interstitial brachytherapy

Cannot have received: interstitial thermal therapy

Has received prior interstitial thermal therapy

Cannot have received: implanted chemotherapy

Has received prior ... implanted chemotherapy

Cannot have received: local injection or convection enhanced delivery

Has received prior ... therapeutics delivered by local injection or convection enhanced deliver

Cannot have received: Gliadel wafer (Gliadel)

Prior treatment with Gliadel ae wafers will be excluded

Lab requirements

Blood counts

ANC  1.5 d7 10^9/L; Platelet count  100 d7 10^9/L; Hemoglobin  9.0 g/dL

Kidney function

Creatinine clearance (CrCL)  50 mL/min or eGFR  50 mL/min; Urine protein < 2+ or 24-hour urine protein quantification < 1.0 g or Urine protein/Creatinine ratio  1mg/mg ( 113.2mg/mmol)

Liver function

Serum total bilirubin (TBIL)  1.5 d7 ULN (or  3 d7 ULN for Gilbert syndrome); AST and ALT  2.5 d7 ULN

Adequate Organ Function, with screening labs performed within 14 days of treatment initiation

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

US trial sites

  • The University of Texas M. D. Anderson Cancer Center · Houston, Texas
  • The University of Texas MD Anderson Cancer Center · Houston, Texas

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See all sites on ClinicalTrials.gov →

Frequently asked questions

Is NCT06672575 currently recruiting?

Yes, this trial is currently recruiting patients.

Are there prior therapy exclusions?

Yes. Prior anti-VEGF therapy, anti-PD-1 therapy, anti-PD-L1 therapy disqualifies patients from enrollment.

Does this trial require IDH1?

Yes, IDH1 wild-type is a required biomarker for enrollment.

Could you qualify for this trial?

Enter your biomarker results to see how this trial's eligibility criteria match your specific cancer profile.

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