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What Cancer Has Taught Me
August 21, 2024
This is a guest post by Teri Wight, 51, a teacher and a chromophobe renal cell carcinoma survivor based in…
Read More2021 was a bumper year for kidney cancer developments, including several new treatment approvals by the FDA and a much better understanding of how kidney cancer is impacted by COVID-19 infections and vaccines.
“All are very important topics that are affecting patients as we speak,” said Nancy Moldawer, RN, of Cedars-Sinai Medical Center in Los Angeles, Ca, and a member of the KCA’s Clinical Advisory Board. “Between deciding what first line therapy to chose from to the concern of the genetic risk of renal cell carcinoma, are all very real concerns to patients.”
We rounded up the major developments in kidney cancer this year, focusing on those with the greatest impact or potential impact for people facing kidney cancer.
“Scientifically, I think the belzutifan [approval] is most important. It’s the only agent for which there’s truly a new target,” said Dr. Walter Stadler, a medical oncologist at the University of Chicago Medical Center, though he noted researchers don’t know how useful it will be for people with non-VHL-related tumors. Belzutifan targets and inhibits the hypoxia-inducible factor-2 alpha (HIF-2α) protein, which is involved in regulating cellular oxygen levels, a pathway that VHL disease and related cancers can be sensitive to.
“We should be closely watching how the belzutifan story develops as it is tested as monotherapy and in other clinical combinations,” said Dr. Chung-Han Lee, a medical oncologist at Memorial Sloan Kettering Cancer Center in New York.
Both Lee and Stadler noted adjuvant pembrolizumab was an important development and one to monitor. When data from the phase III KEYNOTE-564 trial, on which the FDA approval was based, was presented at ASCO 2021, lead researcher Dr. Toni Choueiri of the Dana-Farber Cancer Center in Boston said the results could make pembrolizumab a potential new standard of care after nephrectomy. However, Stadler said the current evidence showing improved disease-free survival in some patients but not improved overall survival still makes adjuvant treatment a controversial choice.
“It will benefit a few people to delay recurrence,” Stadler said. “The real question is, does it matter if I treat in an adjuvant, or preventive, manner versus treating only those patients who recur? If the ultimate survival for the cancer is the same, why expose people to toxic therapy now?”
Lee flagged the CANTATA and PAPMET trials, both with results presented in the past year, as deserving mention. CANTATA was a disappointment in that the glutaminase inhibitor telaglenastat did not improve patient outcomes. Telaglenastat may have represented a new approach to kidney cancer treatment but Lee said the compound and glutaminase inhibition are still paths to explore for kidney cancer. Thephase II PAPMET trial showed benefits with cabozantinib for metastatic papillary RCC, a rare subtype that didn’t have effective treatment options. This regimen is now part of the National Comprehensive Cancer Network’s guidelines for treating papillary RCC.
“The rate of improvement [in patient care] is rapidly accelerating, not only with novel combinations and new drug classes, but also new disease states in which treatment is helpful,” said Dr. Chung-Han Lee.
According to Dr. Tian Zhang, a medical oncologist at UT Southwestern Medical Center, both the adjuvant pembrolizumab and belzutifan approvals “represents a direct result from National Cancer Institute and pharmaceutical resources, scientific advances, cancer researchers, and patients who have generously participated in clinical trials. Scientific discoveries in understanding the biology of kidney cancer are directly translating into new treatment options for our patients.”
When looking to the future, Zhang said ongoing trials in first-line kidney cancer that address treatment sequencing approaches and combination trials in the perioperative or adjuvant setting will be areas to watch.
Stadler included belzutifan in non-VHL clear cell RCC settings, survival outcomes over several years with adjuvant pembrolizumab, triplet therapy and whether it is worth the increased toxicity, and long-term survival with immunotherapy as well as discontinuing immunotherapy (especially the ipilimumab/nivolumab combination) in that list. The latter in particular, he said, would help answer the question of whether researchers are getting closer to a cure for some patients.
A number of studies, many of which were presented during the 2021 Congress of the European Society for Medical Oncology (ESMO), showed people with cancer – including kidney cancer – have appropriate immune response to COVID-19 vaccination and that vaccination is safe in these patients, even those who are undergoing treatment with chemotherapy and/or immunotherapy. Read more.
In late 2019, a group of 33 researchers, healthcare providers, and advocates with expertise in hereditary RCC came together to determine how to care for patients with suspicion of an inherited form of kidney cancer. Though the resulting guidelines, published in the August 2021 edition of the journal Cancer, may not account for all the scenarios where a genetic risk assessment would be useful, the group attempted to clarify for whom, when, and how genetic risk assessment should be performed. Read the guidelines.
There was strong agreement for the following issues:
Dr. Christopher G. Wood, a urologic surgeon at MD Anderson Cancer Center in Houston, Texas and Chair of the KCA’s Board of Directors, died on November 3, 2021 after an unexplained neurologic condition. The outpouring of grief, support, memories, and gratitude for his gifts as a surgeon and mentor showed how pivotal Dr. Wood was to the kidney cancer community. During a memorial at the 2021 IKCS: North America in Austin, Texas immediately after Dr. Wood died, his friend and fellow KCA board member Dr. Bradley Leibovich said: “Chris was an unbelievably dedicated, superb surgeon who was always striving for excellence in the operating room… because Chris cared about his patients deeply. His compassion for people was truly remarkable. He was absolutely dedicated to being the best he could possibly be at all points in time in service of his patients.”
Within the KCA, Dr. Wood was a force nearly since its inception in the early 1990s, helping to shape it into the international awareness, advocacy, and support organization it is today. The KCA’s Dr. Christopher G. Wood Endowment will help continue his life’s work in kidney cancer as a clinician, researcher, educator, and mentor. Learn more and contribute.
4 thoughts on “Major developments in kidney cancer in 2021”
Hi. My dad only had a bit of back pain. He finally went in to get it looked at and he has been diagnosed with stage 4 renal cell carcinoma that has metastasized to his spine.
We are still partially in shock and also desperate to get him started with a promising treatment. If anyone has any information that might help us it would be greatly appreciated. We sent all his scans and imaging and have an appointment for the mayo clinic but they can’t get us in any earlier then Aug.8. Given the dire circumstances I don’t think that will work as we would be looking at over a month before he even gets an appointment with them. We are from Canada and the waiting here over the last 2 weeks just to get biopsy and ct scans are awful. My dad is only 66 and has always been healthy. This is such a shock how it can be this bad with no symptom other than sore back.
I appreciate any help or slight bit of hope. My family and I appreciate it.
Melissa
Dear Melissa,
I’m your fathers age, perfectly healthy,sore back flank ache, RCC 18 months ago. May I recommend UPMC in Pittsburgh . They have a RCC expert,Dr Leonard Appleman. He’s aDana Farber fellow and has me and several others I’ve met with RCC on an Immunotherapy combination post surgery( left kidney removed, metastasis to one lung and nodes.) We are all doing fine and we’re stage 3-4. You may like his team.Feel free to contact me. Happy to help.
Jack, I find myself in a similar situation as yours. My left kidney, metastasis to my lung, or lungs. I just found out in an emergency room CT scan last week. Thank you for sharing you are doing well. Scott
Hello, I am from another part of the globe but my dad just got diagnosed with an 8cm tumor, suffered a complete nephrectomy (he is 61) Can you tell me the name of the drugs and how are you feeling now? Thank you!