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A Study of Intratumoral CAVATAK™ in Patients With Stage IIIc and Stage IV Malignant Melanoma

This study has been completed.
Sponsor:
Information provided by (Responsible Party):
Viralytics
ClinicalTrials.gov Identifier:
NCT01227551
First received: October 20, 2010
Last updated: May 11, 2017
Last verified: May 2017
  Purpose
The purpose of this study is to assess the clinical efficacy of Intratumoral (IT) CVA21 in terms of immune-related Progression-Free Survival (irPFS) at 6 months as monitored via immune-related Response Criteria [irRECIST 1.1] (revised Response Evaluation Criteria In Solid Tumors [RECIST] 1.1).

Condition Intervention Phase
Malignant Melanoma Biological: Coxsackievirus A21 (CVA21) Phase 2

Study Type: Interventional
Study Design: Intervention Model: Single Group Assignment
Masking: No masking
Primary Purpose: Treatment
Official Title: A Phase 2 Study of the Efficacy and Safety of Intratumoral CAVATAK™ (Coxsackievirus A21, CVA21) in Patients With Stage IIIc and Stage IV Malignant Melanoma

Resource links provided by NLM:


Further study details as provided by Viralytics:

Primary Outcome Measures:
  • Percentage of Participants With Immune-related Progression-Free Survival (irPFS) at 6 Months [ Time Frame: 6 months ]
    To assess the clinical efficacy of Intratumoral (IT) CVA21 in terms of immune-related Progression-Free Survival (irPFS) at 6 months.


Secondary Outcome Measures:
  • Durable Response Rate [ Time Frame: 6 months or more ]
    Per Immune-Related Response Evaluation Criteria In Solid Tumors Criteria (RECIST v1.1) for target lesions and assessed by CT/MRI or calipers: Complete Response (CR), Disappearance of all target lesions; Partial Response (PR), >=30% decrease in the sum of the longest diameter of target lesions; Durable Response Rate (DRR) = CR + PR.


Enrollment: 57
Study Start Date: October 2011
Study Completion Date: April 2015
Primary Completion Date: January 2015 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: Intratumoral injection
Each patient will receive 4 separate Coxsackievirus A21 (CVA21) administrations in the first 8 days on trial (Days 1, 3, 5 and 8), followed by a fifth dose 2 weeks later (Day 22) and further administrations at 3 weekly intervals (Days 43, 64, 85, 106 and 127, up to a maximum of 10 sets of injections) until confirmed disease progression or development of excessive toxicity. Subjects with stable disease or better at Day 127 were eligible to receive up 9 more sets of CVA21 administrations under an extension protocol (VLA-008).
Biological: Coxsackievirus A21 (CVA21)
CVA21 is a live oncolytic virus preparation derived from the non-genetically altered prototype Kuykendall strain of Coxsackievirus A21.

Detailed Description:

This is a multicenter, open-label, 2-stage, single-arm efficacy and safety study. Approximately 63 patients with histologically proven stage IIIc or stage IV melanoma who fail to qualify for curative surgery and who bear one or more tumors that are accessible for direct injections and at least one measurable lesion by RECIST 1.1 criteria will be considered.

Prospective patients will attend the study center for initial screening within 28 days prior to treatment with CVA21. They will have the nature of the study and its procedures and risks fully explained. All patients must provide a written informed consent to participate in the study.

The dose of CVA21 for this study is 3 x 108 TCID50 (about 4.5 x 106 TCID50/kg for a 70-kg patient) by IT administration. Each patient will receive 4 separate CVA21 administrations in the first 8 days on trial (Days 1, 3, 5 and 8), followed by a fifth dose 2 weeks later (Day 22) and further administrations at 3 weekly intervals (Days 43, 64, 85, 106 and 127, up to a maximum of 10 sets of injections) or until confirmed disease progression or development of excessive toxicity.

Disease status will be assessed by contrast-enhanced computerized tomography (CT) or magnetic resonance imaging (MRI) scan and/or direct caliper measurement (and ultrasound assistance, if necessary) and categorized by immune-related RECIST 1.1 criteria prior to commencing treatment (baseline) and at Days 43, 85, 127 and 169 and 12-weekly intervals thereafter until disease progression. At 2 years, intervals can increase to 6 months.

At 12 weeks post-commencement of treatment (Day 85), if a patient's disease status is classed as progressive disease (but without rapid clinical deterioration) the patient may remain on the trial for a further 6 weeks, when his/her disease status will be confirmed prior to the scheduled treatment. If disease progression is confirmed, the patient will cease treatment but will remain on the study and be observed for efficacy and safety until initiation of treatment with non-CVA21 anticancer therapies. However, survival will be followed until death. If stable disease or better (CR or PR) is observed at this time, the patient will continue treatment as per the protocol. Complete and partial responses will be confirmed at the next contrast-enhanced CT or MRI scan analysis.

Patients who have evidence of biologic activity, i.e., tumor inflammatory reaction and/or stable disease or better, at 18 weeks (Day 127) are eligible to participate in the extension trial in which they will continue to receive IT injections of CVA21 every 3 weeks up to a total of 1 year of therapy from the first injection.

Throughout the trial, immunological responses to the tumor and CVA21 will be monitored.

After the full CVA21 injection schedule has been completed, patients will be followed at 12-weekly intervals beginning on Day 169 for a total of 12 months according to the schedule for safety assessment and indefinitely for survival. Patients with progressive disease (but without rapid clinical deterioration) at 6 months (Day 169) will have a further tumor assessment 6 weeks later for confirmation or continuation of observation for duration of disease control and all subjects will be followed for survival. Patients who are withdrawn from treatment with CVA21 during the treatment phase must also be followed up every 6 weeks for 12 weeks for safety and for survival.

  Eligibility

Ages Eligible for Study:   18 Years and older   (Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Criteria

Inclusion Criteria:

  1. Patient with histologically proven stage IIIc or stage IV melanoma who fails to qualify for curative surgery and who bears one or more tumors that are accessible for direct injection
  2. Patient must have had no more than one previous systemic regimen for management of melanoma; however, adjuvant chemotherapy administered 6 months or longer before entering the trial does not count as a line of treatment
  3. Absence of circulating serum neutralizing antibodies to CVA21 (titer < 1:16)
  4. At least one tumor 0.5 to 10 cm in the longest diameter must be suitable for injection and at least one tumor must be equal to or greater than 1 cm and qualified to be a target lesion for RECIST 1.1 criteria
  5. Patient must have adequate hematologic, hepatic and renal function, defined as:

    • Absolute neutrophil count (ANC) > 1.5 x 10^9/L, platelets > 100 x 10^9/L
    • Bilirubin < 1.5 times the upper limit of normal (ULN), aspartate aminotransferase (AST) < 2.5 x ULN
    • Serum creatinine < 1.5 x ULN; if > 1.5 x ULN, it must be confirmed that creatinine clearance > 30 mL/minute
  6. Serum lactate dehydrogenase (LDH) levels < or = 1.5 x ULN
  7. Male or female age 18 years or older
  8. Performance status (Eastern Cooperative Oncology Group [ECOG]) 0 or 1
  9. Estimated life expectancy of more than 6 months
  10. Recovered from prior therapy with at least 4 weeks since the last exposure to chemotherapy or radiotherapy
  11. Patient is able and willing to provide written informed consent to participate in the study
  12. Fertile males and females must agree to the use of an adequate form of contraception, e.g., condoms for males. A negative pregnancy test is required in female patients of childbearing potential.

Exclusion Criteria:

  1. Mucosal or ocular primary tumors
  2. Bone metastases
  3. Greater than 3 visceral metastases
  4. Any visceral metastases > 10 cm
  5. Serum anti-CVA21 neutralizing titer of > 1:16 at baseline
  6. Presence of any central nervous system (CNS) tumor that has not been stable for at least 3 months off corticosteroids and confirmed by imaging
  7. Tumors to be injected lying in mucosal regions or close to an airway, major blood vessel or spinal cord that, in the opinion of the Investigators, could cause occlusion into a major vessel in the case of necrosis
  8. Only measurable tumor had prior local radiotherapy without subsequent nodule progression
  9. Patient has received chemotherapy within the last 4 weeks prior to first injection
  10. ECOG score greater than 1
  11. Estimated life expectancy of less than 6 months
  12. Pregnancy or breastfeeding
  13. Primary or secondary immunodeficiency, including immunosuppressive disease, and immunosuppressive doses of corticosteroids (e.g., prednisolone > 7.5 mg per day) or other immunosuppressive medications including cyclosporine, azathioprine, interferons within the past 4 weeks prior to screening
  14. Positive serology for human immunodeficiency virus (HIV), hepatitis B or C
  15. Full dose anticoagulation or a history of bleeding diathesis or poorly controlled bleeding in the last month prior to screening
  16. Previous splenectomy
  17. Presence of uncontrolled infection
  18. Presence of unstable neurological disease
  19. Any uncontrolled medical condition that, in the opinion of the investigator, is likely to place the patient at unacceptable risk during the study or reduce his/her ability to complete the study
  20. Participation in another study requiring administration of an investigational drug or biological agent within the last 4 weeks prior to screening
  21. Any other medical or psychological condition that would preclude participation in the study or compromise ability to give informed consent
  22. Participation in any previous melanoma immunotherapy trial within 1 month prior to entry to this trial or any trial of any other investigational agent within the last month prior to entry to this trial
  23. Active infections or serious general medical conditions
  24. Patients with previous malignancies should only be permitted if they have been in a continued state of "no evidence of disease" for at least 5 years with the exception of adequately treated carcinoma in situ of the cervix, ductal carcinoma in situ (DCIS) of the breast, and basal cell/squamous cell skin cancer
  25. Known allergy to treatment medication or its excipients and/or to the contrast medium
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its ClinicalTrials.gov identifier: NCT01227551

Locations
United States, California
Moores UCSD Cancer Center
La Jolla, California, United States, 92093
St Mary's Medical Center
San Francisco, California, United States, 94117
United States, Florida
Mount Sinai Medical Center
Miami Beach, Florida, United States, 33140
United States, Illinois
Rush University Medical Center
Chicago, Illinois, United States, 60612
Oncology Specialists, SC
Niles, Illinois, United States, 60714
United States, Indiana
Investigative Clinical Research of Indiana
Indianapolis, Indiana, United States, 46260
United States, New Jersey
Atlantic Melanoma Center
Morristown, New Jersey, United States, 07962
United States, Oregon
Providence Cancer Center
Portland, Oregon, United States, 97213
United States, Texas
Mary Crowley Cancer Research Centers
Dallas, Texas, United States, 75201
United States, Utah
Huntsman Cancer Institute
Salt Lake City, Utah, United States, 84112
Sponsors and Collaborators
Viralytics
Investigators
Principal Investigator: Robert Andtbacka, MD Associate Professor
  More Information

Responsible Party: Viralytics
ClinicalTrials.gov Identifier: NCT01227551     History of Changes
Other Study ID Numbers: VLA-007
Study First Received: October 20, 2010
Results First Received: February 7, 2017
Last Updated: May 11, 2017
Individual Participant Data (IPD) Sharing Statement:
Plan to Share IPD: No

Keywords provided by Viralytics:
Melanoma
CALM

Additional relevant MeSH terms:
Melanoma
Neuroendocrine Tumors
Neuroectodermal Tumors
Neoplasms, Germ Cell and Embryonal
Neoplasms by Histologic Type
Neoplasms
Neoplasms, Nerve Tissue
Nevi and Melanomas

ClinicalTrials.gov processed this record on August 16, 2017