Neoadjuvant Intravesical Nadofaragene Firadenovec With Gemcitabine, Cisplatin and Durvalumab for the Treatment of Muscle Invasive Bladder Cancer, TRIFECTA Trial
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About
This phase II trial tests the effect of intravesical nadofaragene firadenovec in combination with gemcitabine, cisplatin and durvalumab before (neoadjuvant) radical cystectomy (RC) in treating patients with muscle invasive bladder cancer. The combination of gemcitabine, cisplatin and durvalumab are already considered standard of care in the treatment of muscle invasive bladder cancer. This trial attempts to determine whether the addition of nadofaragene firadenovec to the current standard regiment is safe and can improve oncological outcomes for those with muscle invasive bladder cancer.
Nadofaragene firadenovec, a type of intravesical gene therapy, is a weakened adenovirus that carries a copy of the gene for interferon alfa-2b. This medication gets absorbed by the bladder and stimulates the bladder to naturally create interferon alfa-2b, which is thought to kill bladder cancer. Nadofaragene firadenovec is given in a solution that is placed directly into the bladder (intravesical) using a thin tube called a catheter. It is a medication that is already FDA approved for the treatment of non-muscle invasive bladder cancer. Gemcitabine is a chemotherapy drug that blocks the cells from making deoxyribonucleic acid and may kill tumor cells. Cisplatin is in a class of medications known as platinum-containing compounds. It works by killing, stopping or slowing the growth of tumor cells. Immunotherapy with monoclonal antibodies, such as durvalumab, may help the body's immune system attack the tumor, and may interfere with the ability of tumor cells to grow and spread.
Full description
OUTLINE:
Patients receive standard of care neoadjuvant therapies for muscle invasive bladder cancer including: durvalumab intravenously (IV) over 60 minutes on day 1, gemcitabine IV over 30 minutes on days 1 and 8, and cisplatin IV on day 1 or days 1 and 8 of each cycle. In addition, patients also receive nadofaragene firadenovec intravesically on day 1 of cycles 1 and 4. Cycles repeat every 21 days for up to 4 cycles in the absence of disease progression or unacceptable toxicity. Starting 4-8 weeks after treatment, patients undergo RC per standard clinical care. Following RC, patients may receive durvalumab at the discretion of the clinician. Additionally, patients undergo urine and blood sample collection and computed tomography (CT), magnetic resonance imaging (MRI) or positron emission tomography (PET)/CT throughout the study.
After completion of study treatment, patients are followed for up to 30 days post-cystectomy to monitor for adverse events.
Enrollment
Sex
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Volunteers
Inclusion criteria
- Age ≥ 18 years at the time of screening
- Ability to understand and willingness to sign the written informed consent document
- Patients with confirmed muscle-invasive urothelial carcinoma of the bladder (cT2-4a, N0-1, M0 or cT1, N1, M0), who are planning to undergo RC
- Pure urothelial or mixed histologic subtypes are allowed if urothelial is the primary histology (regardless of the % of conventional urothelial histology)
- Eligible to receive neoadjuvant cisplatin/gemcitabine and durvalumab per the patient's medical oncologist's discretion
- Eastern Cooperative Oncology Group (ECOG) performance status 0-1
- Hemoglobin count ≥ 9 gm/dL
- Absolute neutrophil count of ≥ 1500 cells/uL
- Platelet count of ≥ 100,000/uL
- Alanine and aspartate aminotransferase levels ≤ 2.5 x upper limit of normal (ULN)
- Total bilirubin ≤ 1.5 x ULN (≤ 2.5 x ULN for Gilbert syndrome)
- Creatinine clearance or estimated glomerular filtration rate (GFR) ≥ 40ml/min (using Chronic Kidney Disease Epidemiology Collaboration Formula [CKD-EPI] 2021 equation)
- For patients with evidence of, or history of HIV, chronic hepatitis B virus (HBV) or hepatitis C virus (HCV) infection, the viral load must be undetectable, or the infection must have been treated and cured. Patients are not allowed to be on immunosuppressive agents for HIV, HBV or HCV. Routine testing for HIV, HBV and HCV is not required for patients without such history unless clinically indicated
- Individuals with a prior malignancy whose natural history or treatment does not have the potential to interfere with the safety or efficacy assessment of the investigational regimen are allowed to enroll
Exclusion criteria
- cT4b, N2-3, or M1 stage at time of screening
- Any known concurrent clinically relevant malignancies
- Prior systemic therapy for muscle-invasive bladder carcinoma (MIBC) (prior intravenous pembrolizumab for non-muscle invasive bladder carcinoma [NMIBC] is allowed)
- Current or prior use of systemic immunosuppressive medication within 14 days before first dose of investigational product. The following are allowed (not systemic route): intranasal, inhaled, intra-articular, topical steroids, local steroid injections
- Pure non-urothelial histology subtype/variant or any neuroendocrine (small or large cell) component
- Prior treatment with adenovirus-based drugs
- Known hypersensitivity or allergy to any components of rAd-interferon (IFN)a/Syn3
- Currently receiving other investigational agent
- Pregnant or lactating women
Trial design
Primary purpose
Allocation
Interventional model
Masking
33 participants in 1 patient group
Trial contacts and locations
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Central trial contact
Jonathan Wright, MD
Data sourced from clinicaltrials.gov
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