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The purpose of this study is to use 18F-EF5 PET/CT scans to locate areas with low oxygen levels (hypoxia) in patients with recurrent and/or metastatic cancer.
Full description
This study involves one visit to the BCCA - Vancouver Centre to undergo one EF5-PET/CT scan. The visit will take about 4 hours to complete and no follow-up visits are required.
Optional Biopsy Procedure:
Participants will have the opportunity of participating in an optional biopsy procedure for the purposes of further studying contemporaneous tumour tissue (contemporaneous with the EF5-PET) for markers of hypoxia, apoptosis, angiogenesis etc. The tissue will also be compared to archival material, and this will allow researchers to study the evolving changes in tumours following treatment.
Patients who consent to undergo a biopsy will be booked to the Diagnostic Imaging Department at the Vancouver Centre. Ultrasound guidance will be used to obtain up to 5 core biopsies from an accessible lesion(s). Up to 2 distinct tumour areas may be sampled. The standard procedure required for a core biopsy will be followed, which will include pre-biopsy lab tests, sterile technique, and when needed, post biopsy observation.
The core biopsies will be formalin fixed and paraffin embedded (FFPE). A BCCA pathologist will review representative slides of each paraffin block to ensure the presence of tumour tissue. The FFPE block will then be sent to the laboratory for immunohistochemistry staining and further interpretation.
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Data sourced from clinicaltrials.gov
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