Bladder Cancer Clinical Trial
— BONDOfficial title:
An Integrated Phase II/III, Open Label, Randomized and Controlled Study of the Safety and Efficacy of CG0070 Adenovirus Vector Expressing GM-CSF in Patients With NMIBC With Carcinoma In Situ Disease Who Have Failed BCG
NCT number | NCT01438112 |
Other study ID # | 12154 |
Secondary ID | |
Status | Terminated |
Phase | Phase 2/Phase 3 |
First received | |
Last updated | |
Start date | March 2014 |
Est. completion date | June 2016 |
Verified date | April 2021 |
Source | CG Oncology, Inc. |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
The use of a designed viral vector that can destroy cancer cells while leaving normal cells largely unharmed. The virus also stimulates an immunological response by producing a special factor (GM-CSF) to attract and promote the development of dendritic and T effector cells. It forms the hypothesis that this regimen may be used for people who have failed current forms of treatment and are recommended for cystectomy. It is with hope that this novel therapy will be able to delay or potentially avoid cystectomy for this patient population. Bladder instillation of this agent causes little long lasting side effects and may drastically improve the stimulation of the immune system for local cancer cell death as well as destroying those tumor cells that may have travelled to regional lymph nodes or distant organs.
Status | Terminated |
Enrollment | 22 |
Est. completion date | June 2016 |
Est. primary completion date | June 2016 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years and older |
Eligibility | Inclusion Criteria: 1. Patients must be considered high risk, with pathologically confirmed high grade disease (HG) WHO 2004 2. Patients must have pathologically-proven unresectable, primary, secondary or concurrent carcinoma in situ disease, defined by having either Ta and/or T1 with CIS, or CIS 3. Patients must have no evidence of muscle invasive disease 4. Patient need to sign a specific informed consent acknowledging that a delay of cystectomy may lead to an increase chance of progression and/or metastasis with serious or sometimes fatal consequences. 5. Patients must have received at least two or more prior courses of intravesical therapy. BCG must have been one of the prior therapies administered. Patients can have either failed BCG induction therapy within a six month period or have been successfully treated with BCG, but subsequently found to have recurrence. The standard course of intravesical therapy must include six weekly treatments (allowable range of instillations per course is 4-9). The second course of BCG can consist of three weekly treatments 6. 18 years of age or older 7. Residual disease at accrual 8. Pathologically diagnosed transitional cell (urothelial) bladder cancer (further details in 10.) patients where radical cystectomy with curative intent is indicated for superficial bladder cancer that is resistant to treatment. 9. Patients must be able to enter into the study within five weeks of their most recent diagnostic procedure, which is usually a diagnostic biopsy, a transurethral resection of bladder tumor (TURBT) procedure or other diagnostic scanning such as CT and PET procedures. 10. Histopathologically confirmed, transitional cell (urothelial) carcinoma. Urothelial tumors with mixed histology (but with <50% variant) are eligible. 11. No evidence of urethral or renal pelvis TCC by upper tract radiological imaging (e.g., intravenous pyelogram, CT urogram, or retrograde pyelogram) within the past 2 years. 12. Eastern Cooperative Oncology Group (ECOG) performance status <2. 13. Not pregnant or lactating 14. Patients with child bearing potential must agree to use adequate contraception 15. Agree to study specific informed consent and HIPAA authorization for release of personal health information 16. Adequate baseline CBC, renal and hepatic function. Renal parameters as detailed above. Absolute lymphocyte count = 1,000/µL before all doses of CG0070 17. Patient to provide a tumor specimen for determination of RB pathway status Exclusion Criteria: 1. Previous systemic chemotherapy or radiation for bladder cancer. Note: Prior immunotherapy or intravesical (administered within the bladder) chemotherapy for superficial disease is acceptable 2. No bladder cancer residual disease, such as patients that are rendered disease free by TURBT 3. History of anaphylactic reaction following exposure to humanized or human therapeutic monoclonal antibodies, hypersensitivity to GM-CSF or yeast derived products, clinically meaningful allergic reactions or any known hypersensitivity or prior reaction to any of the formulation excipients in the study drugs. 4. Known infection with HIV, HBV or HCV. 5. Anticipated use of chemotherapy, radiotherapy, or other immunotherapy not specified in the study protocol while on study 6. Any underlying medical condition that, in the Investigator's opinion, will make the administration of study vaccine hazardous to the patient, would obscure the interpretation of adverse events, or surgical resection. Anticipated use of chemotherapy, radiotherapy, or other immunotherapy not specified in the study protocol while on study 7. Systemic treatment on any investigational clinical trial within 28 days prior to registration. 8. Concurrent treatment with immunosuppressive or immunomodulatory agents, including any systemic steroid (exception: inhaled or topically applied steroids, and acute and chronic standard dose NSAIDs, are permitted). Use of a short course (i.e., = 1 day) of a glucocorticoid is acceptable to prevent a reaction to the IV contrast used for CT scans. 9. Immunosuppressive therapy, including: cyclosporine, antithymocyte globulin, or tacrolimus within 3 months of study entry. 10. History of prior experimental cancer vaccine treatment (e.g., dendritic cell therapy, heat shock vaccine) 11. History of partial cystectomy in the setting of bladder cancer primary tumor. 12. History of anaphylactic reaction following exposure to humanized or human therapeutic monoclonal antibodies, hypersensitivity to GM-CSF or yeast derived products, clinically meaningful allergic reactions or any known hypersensitivity or prior reaction to any of the formulation excipients in the study drugs. 13. History of stage III or greater cancer, excluding urothelial cancer. Basal or squamous cell skin cancers must have been adequately treated and the subject must be disease-free at the time of registration. Subjects with a history of stage I or II cancer, must have been adequately treated and have been disease-free for = 3 years at the time of registration. 14. Concomitant active autoimmune disease (e.g., rheumatoid arthritis, multiple sclerosis, autoimmune thyroid disease, uveitis) 15. Progressive viral or bacterial infection 16. All infections must be resolved and the patient must remain afebrile for seven days without antibiotics prior to being placed on study 17. Any underlying medical condition that, in the Investigator's opinion, will make the administration of study vaccine hazardous to the patient, would obscure the interpretation of adverse events, or not permit adequate surgical resection. 18. Unwilling or unable to comply with the protocol or cooperate fully with the investigator and site personnel |
Country | Name | City | State |
---|---|---|---|
United States | University of Chicago, Department of Surgery, Section of Urology | Chicago | Illinois |
United States | University of California, San Diego- Moores Cancer Center | La Jolla | California |
United States | UCLA Institute of Urological Oncology | Los Angeles | California |
United States | Vanderbilt University Medical Center Department of Urologic Surgery | Nashville | Tennessee |
United States | BCG Oncology | Phoenix | Arizona |
United States | University of California, Davis- Cancer Center | Sacramento | California |
United States | Wake Forest University Health Sciences | Winston-Salem | North Carolina |
Lead Sponsor | Collaborator |
---|---|
CG Oncology, Inc. |
United States,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Complete Response Proportion (CR) | 'CR' Proportion is confirmed by negative biopsy, cystoscopy, cytology weekly times 2 with the first assessment three months after first intravesical treatment and then assessed again at 9 month. Two consecutive positive urine cytologies to confirm a persistent or recurrent disease if visual and biopsy is negative. Random biopsy mandatory at the first assessment in the trigone, bladder dome, right, left , anterior and posterior of the bladder wall. | 9 months (Phase II) | |
Primary | Durable Complete Response Proportion (DCR) | DCR proportion of DCR lasting 12 months or longer will be conducted after a follow up period of 15 months for each patient. The first complete response assessment will be at 3 month. | 15 months (Phase III) | |
Secondary | Progression rate to muscle invasive disease | The Progression rate to muscle invasive disease rate is based on analysis from comparing disease status at the time of enrollment versus disease status (for those patients with muscle invasion) at the time of cystectomy or TURBT | Throughout the study with expected average of 12 months | |
Secondary | Complete Response Survival | The Complete Response Survival time to events of patients who have achieved a complete response at the 3 month assessment will be compared with a log rank test. | 15 months | |
Secondary | Safety Events | The number and percentage of patients experiencing one or more adverse events will be summarized by relationship to study drug, and severity. | Expected average of two years throughout the study | |
Secondary | Cystectomy Free Survival | The Cystectomy Free Survival time to events of patients will be compared with a log rank test. | 15 month |
Status | Clinical Trial | Phase | |
---|---|---|---|
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