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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT01227551
Other study ID # V937-006
Secondary ID VLA-007
Status Completed
Phase Phase 2
First received
Last updated
Start date December 29, 2011
Est. completion date April 6, 2016

Study information

Verified date June 2019
Source Viralytics
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

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).


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.


Recruitment information / eligibility

Status Completed
Enrollment 57
Est. completion date April 6, 2016
Est. primary completion date April 6, 2016
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility 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

Study Design


Related Conditions & MeSH terms


Intervention

Biological:
Coxsackievirus A21 (CVA21)
CVA21 is a live oncolytic virus preparation derived from the non-genetically altered prototype Kuykendall strain of Coxsackievirus A21.

Locations

Country Name City State
United States Rush University Medical Center Chicago Illinois
United States Mary Crowley Cancer Research Centers Dallas Texas
United States Investigative Clinical Research of Indiana Indianapolis Indiana
United States Moores UCSD Cancer Center La Jolla California
United States Mount Sinai Medical Center Miami Beach Florida
United States Atlantic Melanoma Center Morristown New Jersey
United States Oncology Specialists, SC Niles Illinois
United States Providence Cancer Center Portland Oregon
United States Huntsman Cancer Institute Salt Lake City Utah
United States St Mary's Medical Center San Francisco California

Sponsors (1)

Lead Sponsor Collaborator
Viralytics

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary Percentage of Participants With Immune-related Progression-Free Survival (irPFS) at 6 Months To assess the clinical efficacy of Intratumoral (IT) CVA21 in terms of immune-related Progression-Free Survival (irPFS) at 6 months. 6 months
Secondary Durable Response Rate 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. 6 months or more
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