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Brief Title: A Study of Neoadjuvant Photodynamic Immunomodulation for Colon Cancer
Official Title: A Phase I/II Study of Neoadjuvant Photodynamic Immunomodulation for Colon Cancer
Study ID: NCT01522677
Brief Summary: The central hypothesis for this study is that it is safe and feasible to administer intraluminal photodynamic therapy (PDT) to colon cancers by colonoscopy to induce localized inflammatory/immune response. The objective is to demonstrate the feasibility and safety of PDT to colon cancer patients administered before surgery and to characterize the inflammatory/immune response at the tumor site and systemically. The long-term objective of these studies is to modify he natural biology of colorectal cancers and improve patient survival.
Detailed Description: The central hypothesis for this study is that it is safe and feasible to administer intraluminal photodynamic therapy (PDT) to colon cancers, via colonoscopy, in the neoadjuvant setting to induce localized tumor cell death and an inflammatory/immune response with an increased Th1 component, utilizing 5-ALA as a photosensitizer. The objective is to conduct an initial phase I/II clinical study to demonstrate the feasibility and safety of colonoscopic, neoadjuvant intraluminal PDT to colon cancer patients administered 96 hours pre-resection, to characterize the inflammatory/immune response at the PDT treated tumor site, and to evaluate the systemic anti-tumor immune response. The long-term objective of these studies is to provide an easily administered, adjunctive, therapeutic maneuver that lacks systemic toxicity, with the potential to modulate the natural biology of colorectal cancers that have not elicited a favorable anti-tumor immune response and to improve patient survival.
Minimum Age: 18 Years
Eligible Ages: ADULT, OLDER_ADULT
Sex: ALL
Healthy Volunteers: No
University of California, Irvine, Orange, California, United States
Mounst Sinai School of Medicine, New York, New York, United States
Name: Randall F Holcombe, MD
Affiliation: Icahn School of Medicine at Mount Sinai
Role: PRINCIPAL_INVESTIGATOR
Name: Edward L Nelson, MD
Affiliation: University of California, Irvine
Role: PRINCIPAL_INVESTIGATOR