Laparoscopically Harvested Omental Free Tissue Autograft to Bypass the Blood Brain Barrier (BBB) in Human Recurrent Glioblastoma Multiforme (rGBM)

  • STATUS
    Recruiting
  • End date
    Jan 31, 2025
  • participants needed
    10
  • sponsor
    Northwell Health
Updated on 14 July 2022
karnofsky performance status
MRI
neutrophil count
blood transfusion
seizure
glioblastoma multiforme
recurrent glioblastoma
tumor progression
blood urea nitrogen
frozen section

Summary

This single center, single arm, open-label, phase I study will assess the safety of a laparoscopically harvested omental free flap into the resection cavity of recurrent glioblastoma multiforme (GBM) patients.

All participants included in the study will undergo standard surgical resection for diagnosed recurrent GBM. Following the resection, the surgical cavity will be lined with a laparoscopically harvested omental free flap. The participant's dura, bone and scalp will be closed as is customary. The participant will be followed for side effects within 72 hours, 7 days, 30 days, 90 days and 180 days. Risk assessment will include seizure, stroke, infection, tumor progression, and death.

Description

Laparoscopically harvested omental free flaps are commonly used to fill surgical cavities after resection of head and neck cancers. The investigators hypothesize that a laparoscopically harvested omental free flap in our patients with resected recurrent GBM may be used as a readily available and accessible means of circumventing the blood brain barrier (BBB) selectively and focally. The laparoscopically harvested omental free flap with its long vascular pedicle length, wide rotational arc and available surface area would easily conform to many resected GBM cavities in our human patients with acceptable risk. The predictable and rich vascular anatomy of a laparoscopically harvested omental free makes it an ideal flap for cases of previously irradiated and/or infected wound beds. This is why it is successfully used in head and neck and skull base tumors. The permeability of the blood vessels of the laparoscopically harvested omental free flap should allow for improved delivery of chemotherapeutics and immune cells (macrophages and T cells) into the vicinity, extracellular space and microenvironment of the resected tumor cavity including the brain adjacent to the tumor (BAT). "Milky spots" within the omentum will also provide direct deposition of immune cells such as dendritic, macrophages and lymphocytes into the milieu of the resected GBM.

The investigators aim to prove that this commonly surgical technique for head and neck cancers is safe in a small human cohort of patients with resected recurrent GBM and may improve progression-free survival (PFS).

Details
Condition Glioma, Glioma, Malignant, Glioblastoma, Glioblastoma Multiforme, Glioblastoma Multiforme of Brain, GBM, Brain Cancer
Treatment Laparoscopically harvested omental free flap
Clinical Study IdentifierNCT04222309
SponsorNorthwell Health
Last Modified on14 July 2022

Eligibility

Yes No Not Sure

Inclusion Criteria

Subject is a male or female 18 years of age or older
Subject is undergoing planned resection of known or suspected GBM
Subject has a Karnofsky Performance Status (KPS) 70% or greater
Subject has a life expectancy of at least 6 months, in the opinion of the Investigator
Based on the pre-operative evaluation by neurosurgeon, the subject is a candidate for ≥ 80% resection of enhancing region
Subject must be able to undergo MRI evaluation
Subject meets the following laboratory criteria
White blood count ≥ 3,000/µL
Absolute neutrophil count ≥ 1,500/µL
Platelets ≥ 100,000/µL
Hemoglobin > 10.0 g/dL (transfusion and/or ESA allowed)
Total bilirubin and alkaline phosphatase ≤ 2x institutional upper limit of normal (ULN)
Aspartate aminotransferase (AST) and alanine aminotransferase (ALT) < 3 x ULN
Blood urea nitrogen (BUN) and creatinine < 1.5 x ULN
Females of reproductive potential must have a negative serum pregnancy test and be
Able to understand and willing to sign an institutional review board (IRB)-approved written informed consent document
willing to use an acceptable method of birth control
Inclusion criteria considered during surgery
Subject has a histologically confirmed (frozen section) diagnosis of recurrent WHO Grade IV glioblastoma multiforme (GBM)
Omental free flap is technically feasible

Exclusion Criteria

Subject, if female, is pregnant or is breast feeding
Subject intends to participate in another clinical trial
Subject has an active infection requiring treatment
Subject intends to undergo treatment with the Gliadel® wafer at the time of this surgery
Subject has radiographic evidence of multi-focal disease or leptomeningeal dissemination
Subject has a history of other malignancy, unless the patient has been disease-free for at least 5 years. Adequately treated basal cell carcinoma or squamous cell skin cancer is acceptable regardless of time, as well as localized prostate carcinoma or cervical carcinoma in situ after curative treatment
Subject has a known positive test for human immunodeficiency virus infection, or active hepatitis B or hepatitis C infection
Subject has a history or evidence of any other clinically significant disorder, condition or disease that would pose a risk to subject safety or interfere with the study evaluation, procedures or completion
Subject has had prior abdominal surgery
Subject has severe renal insufficiency rendering gadolinium MRI contraindicated
Subject who are unable to have an MRI scan for any reason
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