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Safety and Effect of GL-ONC1 Administered IV With or Without Eculizumab Prior to Surgery to Patients With Solid Organ Cancers Undergoing Surgery

Brief Summary

The purpose of this study is to evaluate the safety of the investigational product GL-ONC1 in combination with eculizumab. GL-ONC1, a vaccinia virus, has been genetically modified for use as a potential anti-cancer drug to destroy cancer cells. Vaccinia virus has been used successfully in the past as smallpox vaccine in millions of people worldwide. Eculizumab is a type of drug called a monoclonal antibody. This drug is designed to inhibit the activity of a protein called complement. Complement is part of the body's immune system that destroys and removes foreign particles. Evidence from laboratory tests suggest eculizumab may allow GL-ONC1 to stay in the body longer before being cleared by the immune system, which may help destroy more cancer cells.

Tracking Information
First Received DateMarch 2, 2016
Last Changed DateJune 17, 2016
Start DateMarch 2016
Anticipated Primary Completion DateMarch 2018
Primary Outcome Measures

Number of participants with treatment-related adverse events as defined by CTCAE v4.03. [Time Frame: 2.5 years]

Secondary Outcome Measures

The presence of GL-ONC1 within malignant tumors by examination of the resected surgical specimen. [Time Frame: 2.5 years]

The maximum concentration (Cmax) of GL-ONC1 in blood after administration [Time Frame: 2.5 years]

Level of anti-vaccinia neutralizing antibodies in serum [Time Frame: 2.5 years]

Amount of lymphocyte infiltration in pre-treatment biopsy and post-treatment resected tumor tissue [Time Frame: 2.5 years]

Descriptive Information
PhasePhase 1
Study TypeInterventional
  • Solid Organ Cancers
  • Biological: GL-ONC1
  • Biological: Eculizumab
Study Arms / Comparison Groups2 / 0
Detailed Description

This is an open-label, non-randomized Phase 1b dose escalation study evaluating the safety and effect of the oncolytic virus GL-ONC1 administered intravenously, with or without eculizumab, prior to surgery in patients with advanced solid organ tumors.

GL-ONC1 has been investigated in early stage clinical trials in the United States and Europe via systemic delivery as monotherapy and in combination with other therapies, and via regional delivery as monotherapy. GL-ONC1 treatment was well tolerated across different malignancies, routes of administration, and monotherapy as well as combination therapy protocols. The ability of GL-ONC1 to infect tumor tissue and kill tumor cells was demonstrated. In addition, virus-induced immune activation and elevation of serum markers linking to a favorable antitumor immune response have been observed.

Eculizumab is a monoclonal antibody designed to inhibit the activity of a protein called complement which is part of the body's innate immune system. Evidence from laboratory tests suggest eculizumab may allow GL-ONC1 to stay in the body longer before being cleared by the immune system.

The goals of this study are to evaluate the safety of concurrent systemic administration of eculizumab and GL-ONC1 and to assess the pharmacokinetics and pharmacodynamics profile of GL-ONC1 in vivo.

Recruitment Information
Recruitment StatusRecruiting
Anticipated Enrollment36
Ages18 Years - N/A
Accepts Healthy VolunteersNo
Contact Julie Lewis, CRC, LVN
Phone: 858-822-4907
Eligibility Criteria

Inclusion Criteria:

- Histologically-proven diagnosis of advanced (AJCC, 7th Edition: stage III or IV) or aggressive solid organ cancer.

- Patients must provide written consent for a core needle biopsy sample of tumor tissue (primary or metastatic).

- Have evidence of measurable disease (according to RECIST Version 1.1: http://

- Have an ECOG Performance Score of 0 to 2.

- Have a life expectancy of at least 3 months.

- Have adequate organ and marrow function

- Negative serum pregnancy test for females of childbearing potential.

- Have negative test result for HIV and Hepatitis B or C testing.

- Have baseline anti-vaccinia antibody titer < 10.

Exclusion Criteria:

- Current or anticipated use of other investigational agents or marketed anticancer agent while on study (from the time of enrollment through the time of surgery).

- Patients who have received chemotherapy or radiotherapy within 4 weeks prior to entering the study.

- Small pox vaccination for 4 weeks before study therapy and during study treatment.

- Have received prior gene therapy or therapy with cytolytic virus of any type.

- Have clinically significant cardiac disease

- Oxygen saturation <90% measured by pulse oximetry at rest.

- Receiving concurrent antiviral agent active against vaccinia virus (e.g., cidofovir, vaccinia immunoglobulin, imatinib, ST-246) during the course of study.

- Have known allergy to ovalbumin or other egg products.

- Have clinically significant dermatological disorders (e.g., eczema, psoriasis, or any unhealed skin wounds or ulcers)

- Have a history of allergy to iodinated contrast media.

- Patients with known brain metastases

- Pregnant or nursing

Administrative Information
Responsible Party,
SponsorKaitlyn Kelly, MD
Verification DateMay 2016
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