A Study Of CGM In GBM

Overview

About this study

The purpose of this study is to compare standard glucose monitoring versus continuous glucose monitoring (CGM) with endocrinology-guided intervention in newly diagnosed glioblastoma (GBM) patients receiving standard-of-care therapy.

Participation eligibility

Participant eligibility includes age, gender, type and stage of disease, and previous treatments or health concerns. Guidelines differ from study to study, and identify who can or cannot participate. There is no guarantee that every individual who qualifies and wants to participate in a trial will be enrolled. Contact the study team to discuss study eligibility and potential participation.

Inclusion Criteria:

  • Histologically confirmed newly diagnosed glioblastoma (WHO Grade IV).

  • IDH-wildtype status confirmed by molecular testing.

  • Age ≥ 18 years at the time of consent.

  • Karnofsky Performance Status (KPS) ≥70 at baseline.

  • Adequate organ and marrow function, defined as:

    • Absolute neutrophil count (ANC) ≥1.5 × 10⁹/L

    • Platelet count ≥100 × 10⁹/L

    • Hemoglobin ≥9 g/dL

    • Serum creatinine ≤1.5 × ULN or creatinine clearance ≥60 mL/min

    • AST and ALT ≤2.5 × ULN

    • Total bilirubin ≤1.5 × ULN

  • Willingness and ability to comply with CGM device use and attend dietary counseling sessions as part of the study protocol.

Exclusion Criteria:

  • Recurrent glioblastoma or prior therapy for glioblastoma beyond surgical resection or biopsy.

  • History of eating disorders (e.g., anorexia nervosa, bulimia) or substance use disorder within the past 12 months.

  • Any other uncontrolled or inadequately managed medical illness (e.g., unstable cardiovascular, hepatic, renal, or psychiatric condition) that, in the opinion of the investigator, would interfere with study participation or interpretation of results.

  • Concurrent diagnosis of another active malignancy requiring treatment.

  • Pregnancy or breastfeeding at the time of enrollment.

  • Documented history of Type 1 Diabetes Mellitus.

Note: Other protocol defined Inclusion/Exclusion Criteria may apply.

Eligibility last updated 6/04/2025. Questions regarding updates should be directed to the study team contact.

Participating Mayo Clinic locations

Study statuses change often. Please contact the study team for the most up-to-date information regarding possible participation.

Mayo Clinic Location Status Contact

Rochester, Minn.

Mayo Clinic principal investigator

Gelareh Mohammadzadeh, M.D., Ph.D.

Open for enrollment

Contact information:

Adam Loudermilk

(507) 422-0718

Loudermilk.Adam@mayo.edu

More information

Publications

Publications are currently not available
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CLS-20586919

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