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CompletedNCT04937413Updated Jun 25, 2024

The PCSK9i Inhibitor Evolocumab - a Surgical Trial of Pharamcodynamics and Kinetics Evaluation

An Early Phase 1 interventional study of Evolocumab in Malignant Glioma and Glioblastoma, sponsored by Duke University. Completed at 1 site in United States. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2024-06-25.

Sponsored by Duke University · Early Phase 1, Interventional, and Basic science

From the registry’s dates

  • Primary completion was Sep 2023, 3 years ago, and no results have been posted to the registry.
Phase
Early Phase 1
Study type
Interventional
Enrollment
32
Allocation
Not applicable
Ages
18 Years and older
Sex
All
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Study summary

This Phase 0 surgical window of opportunity trial seeks to evaluate the pharmacokinetic (PK) and pharmacodynamic (PD) properties of an FDA-approved proprotein convertase/ kexin type 9 serine protease inhibitor (PCSK9i) in patients with primary and recurrent World Health Organization (WHO) grade IV malignant glioma. The investigators intend to evaluate whether a clinically licensed PCSK9i called evolocumab (also known as Repatha) can be repurposed as a potential immunotherapeutic for high grade glioma by testing its ability to access the intracranial space. The primary objective is to evaluate whether evolocumab crosses the blood brain barrier (BBB) and is measurable in the resected tumor specimens of patients with primary and recurrent high grade glioma or glioblastoma.

Read the detailed description

A maximum of 10 participants will receive 420 mg (the maximum single dose) of evolocumab subcutaneously into their thigh, abdomen or upper arm 7-14 days prior to surgical de-bulking of their tumor. After de-bulking, leftover tissue not required for histological analysis will be collected, and the level of evolocumab will be quantified. At two time points, prior to injection of evolocumab and at time of their surgery, participants will have peripheral blood drawn to analyze serum levels of the drug (for comparison to levels found in their leftover tissue). The investigators will follow-up with participants about 2 weeks after surgery at their post-operative visit.

A matched cohort of resected tumor specimens from patients who were not treated with evolocumab from the Duke Brain Tumor Center Biorepository will be used as a comparison for the primary objective and 2 of the 3 secondary objectives of this study comparing brain tumor tissue specimens of patients who did and did not receive evolocumab with respect to lipid metabolism and tumor cells expressing MHC-I.

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Conditions studied

  • Malignant Glioma
  • Glioblastoma

Keywords

  • Pro00108375
  • Khasraw
  • PCSK9i
  • Evolocumab
  • Glioma
  • Glioblastoma
  • PEskE
03

In context

Glioblastoma

1,920 studies on the registry are indexed under Glioblastoma; 450 are open to participants now.

This study's enrollment of 32 is below the median of 36 across 1,618 interventional studies indexed under Glioblastoma.

Browse Glioblastoma studies →

Lead sponsor

Duke University is the lead sponsor of 2,025 studies on the registry; 275 are open to participants now.

Of its 194 completed or terminated interventional studies of FDA-regulated products, 159 (82%) have results posted.

Counted across the registry records on this site, refreshed daily.

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Who can participate

Ages eligible
18 Years and older
Sexes eligible
All
Accepts healthy volunteers
No

Inclusion criteria

  • Adult patients ≥ 18 years old
  • Newly diagnosed or recurrent high grade glioma (HGG) or glioblastoma (GBM) (if recurrent, prior pathology report indicating HGG or GBM)
  • Adequate hematologic function within 14 days prior to starting evolocumab defined as follows:

    1. Hemoglobin ≥ 10 g/dl (Note: the use of transfusion or other intervention to achieve Hgb ≥ 10.0 g/dl is acceptable)
    2. Leukocytes ≥ 1,500/mm3
    3. Absolute Neutrophil Count (ANC) ≥ 1,000/mm3
    4. Platelets ≥ 100,000/mm3
  • Adequate renal function within 14 days prior to starting evolocumab defined as calculated creatinine clearance (CrCL) of ≥ 30 mL/min/1.73m2 by the Cockcroft-Gault formula
  • Adequate hepatic function within 14 days prior to starting evolocumab defined as follows:

    1. Total bilirubin ≥ 1.5 x institutional upper limit of normal (ULN) (Note: Patients with known Gilbert disease without other clinically significant liver abnormalities are not excluded.)
    2. AST(SGOT) and ALT(SGPT) ≥ 1.5 × ULN
  • Negative serum pregnancy test (in females of childbearing potential) within 48 hours of starting evolocumab.

Exclusion criteria

Exclusion Criteria:

  • Any patient with a history of a serious hypersensitivity reaction to evolocumab or any of the excipients in evolocumab
  • Patients with severe hepatic impairment outside of the range defined in the inclusion criteria within 7 days of starting evolocumab.
  • History or evidence of central nervous system bleeding as defined by stroke or intraocular bleed (including embolic stroke) not associated with any antitumor surgery within 6 months before enrollment
  • Infection requiring intravenous antibiotics that was completed \< 1 week of study enrollment (day 1) with the exemption of prophylactic antibiotics for long line insertion or biopsy
  • Females of reproductive potential and males who are unwilling to practice an acceptable method(s) of effective birth control while on study through 1 month (2 half-lives) after receiving the last dose of study drug.
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Study design

Phase
Early Phase 1
Primary purpose
Basic science
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrollment
32 participants (actual)

Study arms

  • Experimental
    Single dose of evolocumab

    420 mg of evolocumab subcutaneous injection 7-14 days before scheduled surgery for malignant glioma

    Drug: Evolocumab

Interventions

  • DrugEvolocumab

    Evolocumab subcutaneous injection

    Also known as: Repatha

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What researchers measure

Primary outcomes

  1. Presence of evolocumab in surgical tumor tissue and tissue from a matched control group

    Determined by mass spectrometry

    Time frame: At time of surgical resection

Secondary outcomes

  1. Level of lipid metabolism within the surgical tumor tissue and tissue from a matched control group

    Determined by fluorescence-activated cell sorting (FACS)

    Time frame: At time of surgical resection

  2. Major histocompatibility complex-1 (MHC-I) expression within the surgical tumor tissue and tissue from a matched control group

    Determined by FACS

    Time frame: At time of surgical resection

  3. Correlation between serum and surgical tumor tissue levels of evolocumab

    Using serum taken before receiving evolocumab (7-14 days before surgery) and serum taken at the time of surgery

    Time frame: 2 weeks

07

Study locations

1 site
  • Duke University Medical Center
    Durham, North Carolina 27710, United States
08

References and documents

Study documents

  • Protocol and statistical analysis plan · Apr 14, 2022

Documents are hosted by the registry — open the source record to download them.

Individual participant data

Plan to share: No

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Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Jun 25, 2024, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
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Registry details

Key details

Study ID
NCT04937413
Lead sponsor
Duke University
Responsible party
Sponsor
First posted
Jun 24, 2021
Start date
Oct 8, 2021
Primary completion
Sep 13, 2023
Completion
Oct 12, 2023
Last update
Jun 25, 2024

Study contacts

Mustafa Khasraw, MBChB, MD, FRCP, FRACP
principal investigator · Duke University

Oversight

Data monitoring committee
Yes
FDA-regulated drug
Yes
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

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This study is completed, as verified in May 2024. You cannot join it, but the record below documents what was studied.

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