What the trial was testing
The trial enrolled 83 patients with kidney cancer. The study was sponsored by National Cancer Institute and tracked outcomes across the full group of patients who matched the trial's eligibility profile.
It was initial testing (phase 2). Trials at this stage are designed to produce evidence regulators and physicians can act on — not just observations to follow up later.
What the results showed
72% tumor response rate in inherited HLRCC papillary kidney cancer.
New England Journal of Medicine · 2025 · NCT01130519
These findings — that in inherited HLRCC papillary kidney cancer treated with bevacizumab plus erlotinib — were published in the New England Journal of Medicine and represent the headline result of the study.
Researchers tracked outcomes across 83 patients enrolled in the trial. The result was consistent enough across the group that the team felt confident reporting it.
What this means for patients
For patients with kidney cancer, this result changes the calculus on what to ask their care team about. Whether it changes day-to-day care depends on factors like disease subtype, prior treatments, and where the patient is in their care journey.
What you can do now
Both bevacizumab and erlotinib are FDA-approved for other cancers and available now, though this combination is used off-label for HLRCC papillary kidney cancer. The National Cancer Institute considers it a reasonable option for HLRCC. Ask an oncologist familiar with hereditary kidney cancer for genetic testing and treatment options.
Eligibility for the treatments mentioned above depends on specific test results and clinical history. Bring this summary, the trial name, and your most recent labs or pathology report to your next visit.
Open kidney cancer trials
PET/MR for Characterization of Renal Masses (RMs)
The frequency of kidney tumors found incidentally on imaging studies performed for unrelated reasons continues to increase leading to more surgeries and ablations for the treatment of renal masses thought to be cancer. However, about 20% of these masses are not cancerous and do not require treatment. Many cancerous kidney tumors are indolent and can be followed safely with imaging (i.e., particularly tumors \<2 cm and in patients with limited life expectancy), while some tumors are both malignant and aggressive, with a higher potential to spread outside the kidney and require treatment. The purpose of this observational study is to assess the ability of Fludeoxyglucose (18F) (FDG) PET/MR to distinguish different types of kidney tumors. The investigators hypothesize that PET/MR will better show differences between aggressive and both indolent and benign kidney masses compared to the currently used radiologic scans. Participants will be selected from those who have been scheduled to receive a contrast-enhanced MRI for their regular care due to a suspicious kidney mass. Participants will have their MRI on a hybrid PET/MR scanner capable of obtaining both MRI and PET images. While they are receiving their standard of care MRI exam, patients will also receive a research FDG PET exam. Participants will have an IV placed for administration of the MRI contrast agent, just as they would if they were not taking part in the study. The same IV will be used to give the FDG radiopharmaceutical for the PET scan and furosemide (a diuretic), to help empty the bladder before the scan and help better see the kidneys on the scans. Both FDG and furosemide are FDA approved medications. Participants will have only one visit with the research team which will last \~2.5 hours and will include collection of the participant's regularly scheduled MRI. If participants undergo surgery to remove the tumor, the study will collect samples of the removed tissue for research. If participants receive a biopsy of the tumor, the study may collect an additional sample of the tumor for research. After the PET/MRI, participants will not have additional visits with the study team, but the study team may call every 6-12 months for up to 2 years to see how they are doing and ask about their health. The study team will review the medical record for any changes to their diagnosis, updates to their medical history, new scans ordered by their regular doctor, or recent lab or biopsy results.
Phase 1a and Phase 2 Study for Safety, Preliminary Efficacy, PK and PD of ST-067
This is a multiphase, multicenter study, which includes a Phase 1a open-label, dose escalation monotherapy study of ST-067 given as an SC injection with or without obinutuzumab \[Gazyva®\] pre-treatment, by IV infusion, and in combination with pembrolizumab. A Phase 2 monotherapy arm is also planned; the exact design of the Phase 2 study elements with respect to formulation and pre-treatment will be determined after completion of the Phase 1 study portion of the trial.