GL-ONC1 Oncolytic Immunotherapy in Patients With Recurrent or Refractory Ovarian Cancer



Status:Recruiting
Conditions:Ovarian Cancer, Cancer, Cancer, Cancer, Cancer
Therapuetic Areas:Oncology
Healthy:No
Age Range:21 - Any
Updated:11/10/2018
Start Date:May 2016
End Date:June 2020

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Phase 1b & 2 Study With GL-ONC1 Oncolytic Immunotherapy in Patients With Recurrent or Refractory Ovarian Cancer (VIRO-15)

The purpose of this study is to determine if GL-ONC1 oncolytic immunotherapy is well
tolerated with anti-tumor activity in patients diagnosed with recurrent or refractory ovarian
cancer and peritoneal carcinomatosis.

Ovarian cancer (OC) remains the most lethal gynecologic malignancy owing to late detection,
intrinsic and acquired chemo-resistance and remarkable heterogeneity. There is an unmet
medical need to develop new therapy modalities. In preclinical studies, GL-ONC1, has shown
the ability to preferentially locate, colonize and destroy tumor cells in more than 30
different human tumors, including ovarian cancer. 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 favorable anti-tumor immune response have been observed. Evidences of anti-tumor efficacy
and clinical benefits have also been documented.

Inclusion Criteria:

- Signed, written informed consent.

- High-grade serous (including Malignant Mixed Mullerian Tumor (MMMT) with metastasis
that contains high grade epithelial carcinoma), endometrioid, or clear-cell ovarian
cancer which includes: (1) platinum-resistant (recurrence or progression in < 6
months) or (2) platinum-refractory (progression while on platinum-based therapy);
patient must have failed either at least 2 consecutive therapies or are not eligible
for additional cytotoxic therapies (exception is Phase 2 receiving chemotherapy
with/without bevacizumab).

- Intermediate platinum-sensitive patients (recurrence of disease 6 to 12 months from
last platinum compound treatment): Recurrent ovarian carcinoma with at least four
prior individual treatment regimens including at least two separate platinum-based
therapies with recurrence from the last platinum-based regimen less than 12 months,
who are unwilling or unable to undergo additional platinum-based cytotoxic therapy
(this sub-population is not applicable for Phase 2 receiving chemotherapy with/without
bevacizumab).

- Performance status ECOG is at 0 or 1, and life expectancy of 6 months

- Has either measurable disease in the peritoneal cavity as defined by RECIST 1.1 (Phase
1b & 2) or has non-measurable disease in the peritoneal cavity (Phase 1b) and can be
confirmed by laparoscopy and/or elevated CA-125. Patients who have non-measurable
disease that is not identifiable by PET/PET-CT scan, but who have elevated CA-125,
and/or ascites, with visible disease confirmed by laparoscopy are also eligible.

- Able to undergo IP injection.

- Adequate renal, hepatic, bone marrow and immune functions.

- Baseline tumor biopsy is required.

- Documented progressive disease status at baseline (Phase 2).

Exclusion Criteria:

- Tumors of mucinous subtypes, or non-epithelial ovarian cancers (e.g., Brenner tumors,
Sex-cord tumors).

- Unresolved bowel obstruction.

- Known central nervous system (CNS) metastasis.

- Known seropositivity for HIV or active hepatitis infection.

- History of thromboembolic event within the last 3 months.

- Pregnant or breast-feeding women.

- Smallpox vaccination within 1 year of study treatment.

- Clinically significant cardiac disease.

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

- Receiving concurrent antiviral agent active against vaccinia virus.

- Have known allergy to ovalbumin or other egg products.

- Have clinically significant dermatological disorders (e.g., eczema, psoriasis, or
unhealed skin wounds or ulcers) as assessed by the Investigator.

- Symptomatic malignant ascites and non-manageable pleural effusion.

- Known hypersensitivity to bevacizumab, uncontrolled hypertension, history of stroke,
or clinical findings suggestive of excessive risk for GL perforation (uncontrolled
peptic ulcer disease, partial small bowel obstruction, etc.) that would make risks of
bevacizumab unacceptable in the opinion of the investigator.
We found this trial at
2
sites
Newport Beach, California 92663
Principal Investigator: Alberto Mendivil, MD, FACOG, FACS
Phone: 949-642-5165
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Newport Beach, CA
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Orlando, Florida 32804
Principal Investigator: Robert W. Holloway, MD, FACOG, FACS
Phone: 407-303-2090
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Orlando, FL
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