Trial Investigating an Immunostimulatory Oncolytic Adenovirus for Cancer

Status Active, not recruiting

Clinical Trial 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.

Clinical Trial 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. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT03225989
Study type	Interventional
Source	Lokon Pharma AB
Contact
Status	Active, not recruiting
Phase	Phase 1/Phase 2
Start date	March 1, 2018
Completion date	August 22, 2024

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