NCT04701918CompletedPhase 2
Cryoablation With Pembrolizumab Or Avelumab In Urothelial Carcinoma
A Multicenter, Single-Arm Open Label Phase II Trial of Cryoablation in Combination With Pembrolizumab or Avelumab in Patients With Metastatic Urothelial Carcinoma
Source: ClinicalTrials.gov · Last updated 22 Jan 2026
Brief summary (registry, in English)
This research study is examining the effectiveness of pembrolizumab plus cryoablation or aveluma plus cryoablation on people with urothelial carcinoma, including bladder cancer, that has spread.
- Status (registry)
- Completed
- Phase (registry)
- Phase 2
- Study type
- Interventional
- Enrollment
- 9 (actual)
- First submitted
- 14 Dec 2020
- Start date
- 4 Jun 2021
- Primary completion date
- 1 Dec 2025
- Lead sponsor
- Massachusetts General Hospital
- Diseases
- Bladder cancer
- NCT number
- NCT04701918
What you commit to
- Study type: Interventional · Phase 2
- Participants enrolled: 9
- From 4 Jun 2021 to the primary completion date, 1 Dec 2025
- 2 sites in 1 country
- Visits and tests: ask the trial team, the registry does not list them
Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.
Who cannot take part
Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.
Prior treatment
- Lesion to undergo cryoablation cannot have had prior radiation therapy or other locoregional therapy
- Continued adverse events from a previously administered chemotherapeutic agents.
- Grade 1 adverse events and ongoing toxicities such as alopecia are exempt
- Treatment with systemic corticosteroids exceeding the equivalent of 10 mg/day of prednisone or other systemic immunosuppressive medications (including but not limited to prednisone, dexamethasone, cyclophosphamide, azathioprine, methotrexate, and anti-tumor necrosis factor \[anti-TNF\] agents) within 2 weeks prior to Day 1, or anticipated requirement for systemic immunosuppressive medications during the trial
- Prior treatment with immune checkpoint blockade therapies, including anti-CTLA-4, anti-PD-1, and anti-PD-L1 therapeutic antibodies
- Treatment with systemic immunostimulatory agents (including but not limited to IFNs, interleukin \[IL\]-2) within 6 weeks or five half- lives of the drug, whichever was shorter, prior to Day 1.
- Signs or symptoms clinically significant of infection within 2 weeks prior to Day 1.
- Any other systemic anti-cancer treatment (including investigational agents) within 4 weeks prior to the first dose of study drug. Note: Participants must have recovered from all AEs due to previous therapies to ≤Grade 1 or baseline. Participants with ≤Grade 2 neuropathy may be eligible
Other illness
- Known significant immunodeficiency due to underlying illness (e.g. HIV / AIDS) and/or blood CD4+ T cells \<200/ul
- History of autoimmune disease, including but not limited to myasthenia gravis, myositis, autoimmune hepatitis, systemic lupus erythematosus, rheumatoid arthritis, inflammatory bowel disease, vascular thrombosis associated with anti-phospholipid syndrome, granulomatosis with polyangiitis, Sjogren's syndrome, Guillain- Barre syndrome, multiple sclerosis, vasculitis, or glomerulonephritis.
- Patients with a history of autoimmune-related hypothyroidism on a stable dose of thyroid replacement hormone are eligible for this trial.
- Patients with controlled Type I diabetes mellitus on a stable dose of insulin regimen are eligible for this trial.
- Patients with history of vitiligo and controlled psoriasis are eligible for the trial.
- Patients who receive acute, low-dose, systemic corticosteroid medications (e.g., a onetime dose of dexamethasone for nausea) or for prevention of hypersensitivity reactions to contrast agents may be enrolled in the trial.
- History of severe allergic, anaphylactic, or other hypersensitivity reactions to chimeric or humanized antibodies or fusion proteins
Lab values
- Anticoagulant or anti-platelet medication that cannot be interrupted prior to cryoablation
- Any other diseases, metabolic dysfunction, physical examination finding, or clinical laboratory finding giving reasonable suspicion of a disease or condition that contraindicated the use of an investigational drug or that could affect the interpretation of the results or render the patient at high risk from treatment complications.
Other
- Inability to lie flat for the cryoablation procedure.
- Pregnant or lactating
Who the study is looking for
- The subject has read, signed and dated the Informed Consent Form (ICF), having been advised of the risks and benefits of the trial in a language understood by the subject.
- Age \> 18 years at date of ICF signature having the ability to comply with the protocol.
- Proof of medical insurance coverage.
- Histologically or cytologically documented metastatic (M1, Stage IV) urothelial carcinoma (including renal pelvis, ureters, urinary bladder, urethra)
- Measurable metastatic disease with at least one site of metastatic disease \> 2 cm in size and amenable to percutaneous image-guided cryoablation based on routine Interventional Radiology criteria. Metastasis sites amenable to cryoablation to include lymph node, peritoneum, liver, soft tissue, adrenal glands, kidney, lung, and bone. Must have measurable disease (by RECIST v1.1) independent of the lesion to be ablated (ie patient must have more than one metastasis)
- Life expectancy \> 12 weeks.
- PS ECOG 0 or 1
- Laboratory requirements:
- ANC \> 1 x 109/L
- Platelets \> 75 x 109/L
- ALT / AST \< 5 x ULN
- Total bilirubin \<3 mg/dL
- INR \<1.7
- CrCl \>30 ml/min
Age in the registry: 18 years to - · Sex: All · Does not accept healthy volunteers
Sites (2)
Sites in registry order. Pick your city on the disease page to sort them by distance.
| Site | City | Country | Site status |
|---|---|---|---|
| Massachusetts General Hospital Cancer Center Coordinator of this site? Confirm its status | Boston | United States | Unknown status |
| Beth Israel Deaconess Medical Center Coordinator of this site? Confirm its status | Boston | United States | Unknown status |
This page is information, not medical advice. Discuss any trial with your doctor.