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A Study of Chemotherapy and Radiation Therapy Compared to Chemotherapy and Radiation Therapy plus MEDI4736 (Durvalumab) Immunotherapy for Bladder Cancer Which has Spread to the Lymph Nodes (The INSPIRE Study)

Status
Closed
Cancer Type
Bladder Cancer
Trial Phase
Phase II
Eligibility
18 Years and older, Male and Female
Study Type
Treatment
NCT ID
NCT04216290
Protocol IDs
EA8185 (primary)
EA8185
NCI-2019-08628
Study Sponsor
ECOG-ACRIN Cancer Research Group

Summary

This phase II trial studies the benefit of adding an immunotherapy drug called MEDI4736 (durvalumab) to standard chemotherapy and radiation therapy in treating bladder cancer which has spread to the lymph nodes. Drugs used in standard chemotherapy work in different ways to stop the growth of tumor cells, either by killing the cells, by stopping them from dividing, or by stopping them from spreading. Cisplatin is in a class of medications known as platinum-containing compounds. It works by killing, stopping or slowing the growth of cancer cells. Radiation therapy uses high-energy x-rays to kill tumor cells and shrink tumors. Immunotherapy with durvalumab may help the body’s immune system attack the cancer and may interfere with the ability of tumor cells to grow and spread. Giving chemotherapy and radiation therapy with the addition of durvalumab may work better in helping tumors respond to treatment compared to chemotherapy and radiation therapy alone. Patients with limited regional lymph node involvement may benefit from attempt at bladder preservation, and use of immunotherapy and systemic chemotherapy.

Objectives

PRIMARY OBJECTIVE:
I. To compare the clinical complete response rate (cCR) after chemoradiotherapy (chemoRT) with or without durvalumab in node-positive bladder cancer patients.

SECONDARY OBJECTIVES:
I. To compare the toxicity profile in both arms using the Common Terminology Criteria for Adverse Events (CTCAE).
II. To estimate the progression-free survival (PFS) in both arms.
III. To estimate overall survival (OS) post randomization in both arms.
IV. To estimate the bladder intact event free survival (BIEFS) in both arms.
V. To estimate the metastasis free survival (MFS) in both arms.
VI. To estimate bladder cancer specific survival in both arms.
VII. To estimate the complete clinical response duration in both arms.
VIII. To estimate salvage cystectomy rates in both arms.

EXPLORATORY OBJECTIVE:
I. Planned subgroup analyses for clinical outcome (clinical complete response [CR] rate post chemoRT +/- durvalumab, MFS, OS, PFS) based on stratification factors.

TRANSLATIONAL OBJECTIVE:
I. To collect and bank tumor tissue and blood specimens at pre-and post-treatment with chemoRT +/- durvalumab to determine predictive or prognostic markers.

OUTLINE:

STEP 1 - Randomization: Patients are randomized to 1 of 2 arms.

ARM C: Patients undergo radiation therapy for 6.5-8 weeks. Beginning 4 days before or after starting radiation therapy, patients receive durvalumab intravenously (IV) over 60 minutes on day 1 of each cycle. Treatment repeats every 21 days for up to 3 cycles in the absence of disease progression or unacceptable toxicity. Beginning 4 days before or after starting radiation therapy, patients also receive gemcitabine hydrochloride IV over 30-60 minutes twice a week (BIW) for 6 weeks; cisplatin IV over 30-60 minutes once a week (QW) for 6 weeks; or mitomycin IV over 30 minutes on day 1 of radiation and fluorouracil IV continuous infusion on days 1-5 and 16-20 of radiation in the absence of disease progression or unacceptable toxicity. Patients also undergo bladder biopsy, cystoscopy, and computed tomography (CT) or magnetic resonance imaging (MRI) on study. Patients may also undergo tumor tissue and blood sample collection on study.

ARM D: Patients undergo radiation therapy for 6.5-8 weeks. Beginning 4 days before or after starting radiation therapy, patients also receive gemcitabine hydrochloride IV over 30-60 minutes BIW for 6 weeks; cisplatin IV over 30-60 minutes QW for 6 weeks; or mitomycin IV over 30 minutes on day 1 of radiation and fluorouracil IV continuous infusion on days 1-5 and 16-20 of radiation in the absence of disease progression or unacceptable toxicity. Patients also undergo bladder biopsy, cystoscopy, and CT or MRI on study. Patients may also undergo tumor tissue and blood sample collection on study.

STEP 2 - Registration: Patients are assigned to 1 of 2 arms.

ARM E: Patients previously randomized to Arm C (chemoradiation and durvalumab) who achieve clinical CR or clinical benefit receive durvalumab IV over 60 minutes on day 1 of each cycle. Treatment repeats every 28 days for 6 cycles in the absence of disease progression or unacceptable toxicity. Patients also undergo bladder biopsy, cystoscopy, and CT or MRI on study. Patients may also undergo tumor tissue and blood sample collection on study.

ARM F: Patients previously randomized to Arm D (chemoradiation) who achieve clinical CR or clinical benefit, or patients previously randomized to Arm C with no clinical CR or clinical benefit undergo observation. Patients also undergo bladder biopsy, cystoscopy, and CT or MRI on study. Patients may also undergo tumor tissue and blood sample collection on study.

After completion of study treatment, patients are followed up every 12 weeks for 1 year, every 6 months for year 2, and then annually for years 3-4.

Eligibility

  1. Step 1 (Randomization) Inclusion
  2. Patient must be >= 18 years of age
  3. Patient must have an Eastern Cooperative Oncology Group (ECOG) performance status of 0-2 at the time of step 1 randomization
  4. Patient must have histologically proven pure or mixed urothelial cancer of the bladder * NOTE: Small cell carcinoma is excluded, however other variant histologies are permitted provided a component of urothelial carcinoma is present
  5. Patient must have documented node-positive and non-metastatic disease (any T, any N, M0). Node positivity must have been defined prior to receiving and systemic chemotherapy or induction chemotherapy. Node positivity can fall into either of the following categories and will be defined by imaging and/or biopsy: * A lymph node >= 1.0 cm in short axis on imaging (i.e., CT or MRI or positron emission tomography [PET]/CT) * A lymph node that is < 1 cm on imaging with either a biopsy confirming involvement with cancer
  6. For patients who have received induction chemotherapy (any type of systemic chemotherapy) for node positive bladder cancer prior to enrollment, there must be no signs of disease progression (CR/PR or stable disease [SD]) based on restaging imaging and cystoscopy, which consists of: * CT chest, abdomen, and pelvis obtained after completion of induction chemotherapy and within 8 weeks prior to step 1 randomization ** NOTE: MRI can be used instead of CT per treating physician discretion * Cystoscopic evaluation and attempt to perform maximal TURBT performed by the participating urologist after completion of induction chemotherapy and within 12 weeks prior to step 1 randomization. If maximal TURBT is not possible for medical reasons, the enrollment must be discussed and approved with the study chair. Documentation of correspondences with the study chair must be kept on file * Patients who achieve CR upon cystoscopy per urologist with no visible tumor (i.e., no need for additional TURBT), are allowed to proceed in the study as adequate resection with no residual disease in bladder
  7. For patients who did not receive induction chemotherapy (any type of systemic chemotherapy) for node positive bladder cancer prior to enrollment, the following must be obtained: * CT chest, abdomen, and pelvis completed within 8 weeks prior to step 1 randomization. ** NOTE: MRI can be used instead of CT per treating physician discretion * Cystoscopic evaluation and attempt to perform maximal TURBT performed by the participating urologist within 12 weeks prior to Step 1 randomization. If maximal TURBT is not possible for medical reasons, the enrollment must be discussed and approved with the study chair. Documentation of correspondences with the study chair must be kept on file. * For patients who may need repeat TURBT if their old TURBT has fallen out of window: If urologist determine no visible tumor (i.e., no need for additional resection) upon cystoscopy, they are allowed to proceed in the study as complete resection
  8. Patient must agree to undergo CT simulation and treatment planning. If this is the first case registered at the site, then a pre-treatment RT review will be required and will take up to 3 business days. The patient cannot start radiation treatment prior to successful completion of this pre-treatment review. Therefore, careful planning is necessary to meet the deadline of starting radiation within 20 business days of Step 1 randomization
  9. Patients with previous exposure to immune checkpoint inhibitor for non-muscle invasive disease are eligible. If given for NMIBC, the last dose must have been completed > 12 months prior to step 1 randomization
  10. Leukocytes >= 3,000/mcL (obtained < 14 days prior to step 1 randomization)
  11. Absolute neutrophil count (ANC) >= 1,500/mcL (obtained < 14 days prior to step 1 randomization)
  12. Hemoglobin >= 9 g/dL (obtained < 14 days prior to step 1 randomization)
  13. Platelets >= 100,000/mcL (obtained < 14 days prior to step 1 randomization)
  14. Total bilirubin =< 1.5 x institutional upper limit of normal (ULN) (obtained < 14 days prior to step 1 randomization)
  15. Aspartate aminotransferase (AST) (serum glutamic-oxaloacetic transaminase [SGOT])/alanine aminotransferase (ALT) (serum glutamate pyruvate transaminase [SGPT]) =< 2.5 x institutional ULN (obtained < 14 days prior to step 1 randomization)
  16. Adequate renal function as evidenced by calculated (Cockcroft’s formula) creatinine clearance or 24 hours actual creatinine clearance >= 30mL/min. The creatinine used to calculate the clearance result must have been obtained within 14 days prior to step 1 randomization. Actual body weight, not ideal body weight, must be used in the calculation
  17. Patients with human immunodeficiency virus (HIV) on effective anti-retroviral therapy with undetectable viral load within 6 months of step 1 randomization are eligible for this trial
  18. Patients with a prior or concurrent malignancy whose natural history or treatment does not have the potential to interfere with the safety or efficacy assessment of the investigational regimen are eligible for this trial. Site is encouraged to discuss with the study chair if needed prior to enrollment
  19. Patients with known history or current symptoms of cardiac disease, or history of treatment with cardiotoxic agents, should have a clinical risk assessment of cardiac function using the New York Heart Association Functional Classification. To be eligible for this trial, patients should be class IIB or better
  20. Step 2 (Registration: Adjuvant Durvalumab vs. Observation) Inclusion
  21. Patient must have evaluation to determine clinical outcome post step 1 treatment (chemoRT+/- durvalumab) with imaging (CT chest, abdomen, and pelvis)(preferably contrast with urogram, if not contraindicated) and cystoscopy with biopsy confirmation to ensure no progression and absence of >= T2 disease in the bladder. Patient should be registered to step 2 within 28 days from the determination of primary response to step 1 treatment. However, for patients previously on Arm C, an additional 4 week delay to step 2 registration is allowed
  22. Patient on the chemoRT+ durvalumab (Arm C) must meet the following: * Patient must have achieved either complete clinical response OR have demonstrated clinical benefit prior to continuing onto adjuvant durvalumab * Patients who are to go on the adjuvant durvalumab (Arm E) must have recovered to at least grade 2 or less immune related AE prior to starting treatment except for immune related alopecia, clinically asymptomatic endocrinopathies. For patients who may have gotten immune related AEs during chemoRT+ durvalumab (Arm C), step 2 registration could be delayed up to additional 4 weeks to ensure recovery to at least grade 2 or lower prior to starting adjuvant therapy. However patients with durvalumab related AEs that require permanent discontinuation of durvalumab will not continue on the adjuvant treatment regardless of the response * Patient must not have experienced immune related neurological disorder described as Guillain-Barré syndrome, myasthenic syndrome or myasthenia gravis, or meningoencephalitis during chemoRT+ durvalumab treatment * Patient must not have experienced immune related myocarditis or immune related pericarditis during chemoRT+ durvalumab treatment * ANC >= 1,000 mcL (must be obtained < 28 days prior to step 2 registration) * Hemoglobin >= 8g/dL (must be obtained < 28 days prior to step 2 registration) * Platelets >= 70,000 mcL (must be obtained < 28 days prior to step 2 registration) ** NOTE: If recovery is not achieved, blood counts could be repeated weekly and step 2 registration could be delayed up to additional 4 weeks
  23. Patient on the chemoRT arm (Arm D) must have achieved either complete clinical response OR have demonstrated clinical benefit prior to be placed on the observation alone arm (Arm F)

Treatment Sites in Georgia

Emory University Hospital - Midtown


550 Peachtree Street NE
Atlanta, GA 30308
404-686-4411
www.emoryhealthcare.org

Winship Cancer Institute of Emory University


1365 Clifton Road NE
Building C
Atlanta, GA 30322
404-778-5180
winshipcancer.emory.edu

**Clinical trials are research studies that involve people. These studies test new ways to prevent, detect, diagnose, or treat diseases. People who take part in cancer clinical trials have an opportunity to contribute to scientists’ knowledge about cancer and to help in the development of improved cancer treatments. They also receive state-of-the-art care from cancer experts... Click here to learn more about clinical trials.