New combo approach for kidney cancer shows promise in early trial
NCT ID NCT05410509
First seen Jun 27, 2026 · Last updated Jun 30, 2026 · Updated 2 times
Summary
This study tested a two-step treatment for medium-sized kidney tumors (4.1-7 cm). First, doctors blocked the tumor's blood supply, then froze it. The goal was to see if this approach is safe and works well. 25 adults with stage T1b kidney cancer took part. The main focus was on serious side effects.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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25 people
The number who actually took part.
- Started
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Jan 2024
- Finished
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Nov 2025
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: 1. Aged ≥18 years 2. Solid renal mass consistent with RCC on either ultrasound, MRI, or CT 3. Longest tumor diameter measures 4.1-7cm 4. Tumor stage T1bN0M0 without vascular invasion, adenopathy, or distant metastatic disease 5. For females of reproductive potential: use of highly effective contraception for at least 1 month prior to enrollment and agreement to use such a method during study participation 6. Provision of signed and dated informed consent form 7. Stated willingness to comply with all study procedures and availability for the duration of the study Exclusion Criteria: 1. Pregnancy 2. Severe renal insufficiency with an Estimated Glomerular Filtration Rate (eGFR) \<30 3. Renal cell carcinoma as part of a syndrome 4. Horseshoe kidney 5. Patient unable to undergo renal mass protocol CT or MRI 6. Severe allergy to iodinated contrast not mitigated by steroid and diphenhydramine prophylaxis 7. Uncorrectable coagulopathy, including a platelet count of \<30,000/μL and/or an international normalized ratio (INR) \>2.5 that does not respond to platelet transfusion or prothrombin complex concentrate infusion, respectively 8. Performance status precludes enrollment as determined by the investigators
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Mayo Clinic
Rochester, Minnesota, 55905, United States
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Stanford Cancer Institute
Stanford, California, 94305, United States
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Thomas Jefferson Health
Philadelphia, Pennsylvania, 19107, United States
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University of Alabama at Birmingham
Birmingham, Alabama, 35294, United States
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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