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Study of Intratumoral Hypoxia Using Pre-operative Administration of Pimonidazole

Pancreatic Cancer Clinical Trial

Official title:
A Clinical Trial of Intratumoral Hypoxia and Its Biologic Correlates in Patients Undergoing Surgical Resection of Localized Pancreatic Cancer, Using Pre-operative Administration of the Hypoxia Marker Pimonidazole.

Clinical Trial Summary

This study involves the administration of a hypoxia marker, pimonidazole hydrochloride, taken orally approximately 24 hours before surgical resection of a pancreatic tumor in order to identify areas of lower oxygen content on tumor samples.

Clinical Trial Description

Intratumoral hypoxia (low oxygen concentration or pO2) occurs when oxygen consumption exceeds its delivery by the vascular system. Hypoxia is associated with adverse patient outcome in many human cancers and this association is hypothesized to be due to a combination of treatment resistance and aggressive tumor biology.

The study of hypoxia is also important as new cancer drugs are being developed that are specifically active on cancer cells in area of tumors with lower oxygen levels.

his study involves administering the hypoxia probe pimonidazole hydrochloride to patients prior to resection of pancreatic adenocarcinoma to evaluate the extent, molecular context and clinical relevance of hypoxia in clinical pancreatic cancer samples and the subsequently derived primary xenograft tumors.

We propose accrual of patients over a 5-year period to evaluate hypoxia within 100 clinical tumor specimens and corresponding primary xenograft tumours where available. The complementary techniques of wide-field multicolor fluorescence image analysis microscopy and high level flow cytometry will be used to identify potential relationships between intratumoral hypoxia and cell proliferation, differentiation, and the expression of putative cancer stem cell markers. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT01248637
Study type Observational
Source University Health Network, Toronto
Contact
Status Completed
Phase
Start date October 2010
Completion date December 2017
View Details
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