Cvac as Maintenance Treatment in Patients With EOC in Complete Remission Following First-Line Chemotherapy or Second-Line Treatment



Status:Recruiting
Conditions:Ovarian Cancer, Cancer
Therapuetic Areas:Oncology
Healthy:No
Age Range:18 - Any
Updated:3/16/2015
Start Date:January 2012
End Date:July 2019
Contact:Study Administrator
Email:Canvas@primabiomed.com.au

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CANVAS: A Randomized Trial of Cvac (Autologous Dendritic Cells Pulsed With Recombinant Human Fusion Protein [Mucin 1-Glutathione S Transferase] Coupled to Oxidized Polymannose) as Maintenance Treatment in Patients With Epithelial Ovarian Cancer (EOC) in Second Remission

The purpose of this study is to determine if an investigational cell therapy called Cvac can
help EOC from returning when administered to patients who are in complete remission after
surgical removal of their tumor followed by standard first-line or second-line chemotherapy.

Following remission, patients will undergo leukapheresis for manufacture of the study agent.
After completion of chemotherapy and confirmation of remission, patients will enter the
treatment phase of the study.

This study proposes a nontoxic immunotherapeutic approach to extend the overall survival in
patients in complete remission.

Most patients with ovarian cancer achieve complete clinical remission after optimal
debulking surgery and first-line platinum-based chemotherapy. However, most patients,
despite high response rates to first-line treatment, will relapse and undergo subsequent
lines of chemotherapy. Generally, the progression-free interval between treatments becomes
shorter with each relapse, and the patient eventually dies of the disease.

Part A - First Remission: Closed to Recruitment

Part B - Second Remission: Open to Recruitment

Inclusion Criteria (Part B):

1. Females ≥ 18 years of age at screening with a confirmed diagnosis of epithelial
ovarian, fallopian tube, or peritoneal cancer

2. Underwent standard cytoreductive surgery and first-line chemotherapy containing
platinum before first relapse and were in complete remission for at least 6 months
prior to relapse

3. Relapsed once and then underwent standard platinum-based second-line chemotherapy (at
least 3 cycles is required) with or without a second bulk-reducing surgery

4. Second remission defined as:

1. No definitive evidence of disease (NED) on CT or MRI of the abdomen and pelvis;

2. CA-125 ≤ upper limit of normal (ULN) or 90% reduction in CA-125 since start of
second-line chemotherapy;

3. Negative physical exam (i.e., no clinical signs)

5. Life expectancy ≥ 3 months in the opinion of the investigator

6. Signed an informed consent form (ICF)

7. Willing and able to complete study procedures within the expected study timelines

8. Mucin 1-positive tumor as determined by central immunohistopathology

9. Histologically documented EOC, fallopian tube, or peritoneal cancer (patients with
pseudomyxoma, mesothelioma, unknown primary tumor, sarcoma, or neuroendocrine
histology, with borderline ovarian cancer, i.e., patients with low malignant
potential tumors, and with clear cell or mucinous histology are excluded)

10. Adequate end-organ and hematological function as defined by:

1. Adequate bone marrow function: white blood cells (WBCs) ≥ 3.0 K/µL, absolute
neutrophil count (ANC) ≥ 1.5 × 109

- L, hemoglobin ≥ 9 g/dL, and platelets

≥ 100 × 109

- L

2. Adequate renal function: serum creatinine ≤ 1.5 × ULN

3. Adequate liver function: serum glutamic oxaloacetic transaminase/aspartate
aminotransferase (SGOT/AST) and serum glutamic pyruvic transaminase/alanine
aminotransferase (SGPT/ALT) ≤ 2 × ULN and serum bilirubin ≤ 1.5 × ULN

11. Generally well-controlled blood pressure with systolic blood pressure ≤ 140 mmHg and
diastolic blood pressure ≤ 90 mmHg prior to randomization (antihypertensive
medications are permitted). Low-dose chronic hormonal or steroidal treatments are
also permitted.

12. Not pregnant, and if of childbearing potential, agrees to use a highly effective
method of birth control (implanted, injectable, or oral combination hormonal method
alone or in possible combinations, intrauterine device, vasectomized partner, or
abstinence) prior to study entry, for the duration of the study, and for 3 months
after the last dose of study agent. Male partners of a study patient must use a
condom in addition to the acceptable method of contraception for the female partner
as specified above

13. ECOG status of 0 or 1 (applicable at the baseline visit only).

Exclusion Criteria (Part B):

Patients are to be excluded from the study at the time of screening and the baseline visit
(defined as the visit within 2 weeks of the first dose) for any of the following reasons:

1. More than 2 previous lines of chemotherapy for EOC, fallopian tube, or peritoneal
cancer

2. Primary platinum-refractory or platinum-resistant disease (i.e., patients who
progress prior to cessation of induction therapy [platinum refractory] or recur
within 6 months after cessation [platinum resistant])

3. Treatment with any investigational product (for any condition) within 4 weeks of
screening. Enrolled in or has not completed at least 28 days (prior to screening)
since ending another investigational device or drug treatment, or currently receiving
other investigational treatments

4. Concurrent systemic treatment with steroids or other immunosuppressant agents at a
dose considered by the investigator to be higher than a standard physiological dose

5. Evidence of severe or uncontrolled cardiac disease, including myocardial infarction
or unstable angina within 6 months of screening, congestive heart failure, or
ventricular arrhythmias requiring medication

6. Diagnosed immunodeficiency or autoimmune disorder

7. Infection with human immunodeficiency virus (HIV) or hepatitis C virus (HCV), or
active and infectious hepatitis B virus (HBV) infection

8. Pregnant or lactating

9. Evidence or history of central nervous system metastasis

10. Known hypersensitivity to any of the components of the study agent

11. Any unresolved persistent toxicities from prior systemic therapy that are either
Grade 3 or Grade 4 (except alopecia) per the Common Terminology Criteria for Adverse
Events (CTCAE) version 4.0

12. Intent to treat patient with both an anti-angiogenesis therapy (such as bevacizumab)
and a PARP inhibitor as part of maintenance therapy. Only one or the other are
permitted while the patient is on study and must be started between the baseline
visit and Visit 1 if it will be used as part of the patient's maintenance therapy
regimen.
We found this trial at
17
sites
1700 S Tamiami Trail
Sarasota, Florida 34239
(941) 917-9000
Sarasota Memorial Hospital Sarasota Memorial Health Care System, an 806-bed regional medical center, is among...
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3181 S.W. Sam Jackson Park Rd.
Portland, Oregon 97201
503 494-8311
Oregon Health Sciences University In 1887, the inaugural class of the University of Oregon Medical...
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533 Parnassus Ave
San Francisco, California 94122
(415) 476-9000
University of California - San Francisco The leading university exclusively focused on health, UC San...
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1100 Fairview Avenue North
Seattle, Washington 98109
(206) 667-5000
Fred Hutchinson Cancer Research Center At Fred Hutchinson Cancer Research Center, our interdisciplinary teams of...
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291 Campus Dr
Stanford, California 94305
(650) 725-3900
Stanford University School of Medicine Vast in both its physical scale and its impact on...
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Atlanta, Georgia 30342
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Boynton Beach, Florida 33435
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5841 S Maryland Ave
Chicago, Illinois 60637
(773) 702-1000
University of Chicago Medical Center The University of Chicago Medicine has been at the forefront...
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2049 E 100th St
Cleveland, Ohio 44106
(216) 444-2200
Cleveland Clinic Foundation The Cleveland Clinic (formally known as The Cleveland Clinic Foundation) is a...
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Downey, California 90241
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Greenbrae, California 94904
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Los Angeles, California 90033
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Morristown, New Jersey 07962
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Orange, California 92868
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Portland, Oregon 97213
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4700 Waters Ave
Savannah, Georgia 31404
(912) 350-8000
Memorial Health University Medical Center Memorial University Medical Center (MUMC) is a nonprofit, 622-bed tertiary...
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Savannah, GA
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Seattle, Washington 98122
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