Spots Global Cancer Trial Database for Trial Investigating an Immunostimulatory Oncolytic Adenovirus for Cancer

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Trial Identification

Brief Title: Trial Investigating an Immunostimulatory Oncolytic Adenovirus for Cancer

Official Title: Phase I/II Trial Investigating an Immunostimulatory Oncolytic Adenovirus for Cancer

Study ID: NCT03225989

Conditions

Pancreatic Adenocarcinoma

Ovarian Cancer

Biliary Carcinoma

Colorectal Cancer

Interventions

LOAd703

Study Description

Brief Summary: This Phase I/II trial evaluates LOAd703 in patients with cancer (pancreatic, biliary, colorectal or ovarian) together with their standard of care chemotherapy or using gemcitabine immune-conditioning. LOAd703 is administered by intratumoral image-guided injections. Maximum 50 patients can be enrolled. LOAd703 is an immunostimulatory gene therapy using an selection replication competent adenovirus as a gene vehicle. The virus is derived from serotype 5 adenovirus with the fiber from serotype 35. It expresses the transgenes trimerized membrane-bound isoleucine zipper (TMZ) TMZ-CD40L and 41BBL under control of a cytomegalovirus (CMV) promoter.

Detailed Description: The trial is a Phase I/II trial evaluating the effect of LOAd703 in patients with pancreatic cancer, biliary cancer, ovarian cancer and colorectal cancer. LOAd703 is an oncolytic adenovirus serotype 5/35 encoding immunostimulatory transgenes: TMZ-CD40L and 41BBL. In Phase I, three doses (total viral load - 1x10e11, 5x10e11, 1x10e12 viral particles (VP)) of LOAd703 will be tested as add-on to standard of care or immune-conditioning gemcitabine chemotherapy. 8 treatments of LOAd703 will be delivered by image-guided intratumoral injection at the same time of chemotherapy. In Phase II stage of the study, patients will be treated at maximum tolerated dose/maximum tolerated study dose as defined in the Phase I stage. In both phases: tumor biopsies, blood samples and radiological imaging will be performed to evaluate safety, effect and mechanisms of action. Further, patients will be subjected to oral and rectal swabs, and urine sampling to determine virus shedding. The patients will be monitored for time to progression, progression free survival and overall survival.