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Immunotherapy

Immunotherapy and cellular therapeutics represent the future of cancer care – and they are happening today, right here at our cancer center. Immunotherapy is a treatment in which the body’s own immune system is harnessed to fight back against cancer. The treatment can take several forms, including:

  • Stem cell transplant, in which a person receives healthy donor cells to grow a new immune system
  • Medication infusion, in which injected antibodies manipulate the individual's existing T cells to attack cancer cells
  • T-cell re-engineering, in which a person's own T cells are extracted from the body, genetically modified in a laboratory to fight cancer cells and returned by infusion to the body

The University of Kansas Cancer Center offers extensive experience in stem cell transplant, having performed more than 3,700 procedures in our program’s more than 40-year history. As a National Cancer Institute-designated cancer center and the region’s premier academic medical center, we are deeply committed to clinical trials that offer more options and greater access to the latest treatment discoveries.

Below you will find helpful information about immunotherapy. We also encourage you to explore our immunotherapy FAQ page for even more information.

 

What is immunotherapy?

Immunotherapy is a biological therapy that uses the body’s immune system to fight cancer, including leukemia and lymphoma. For example, specific cells can be removed from the body and genetically modified or reprogrammed. When they are reintroduced into the patient, those cells have the ability to hunt and destroy the dangerous cancer cells.

Immunotherapy is 1 example of personalized, precision cancer care, considered the future of medicine by the National Cancer Institute. With this approach, treatment is tailored to the cellular level, with experts studying the individual’s cancer cells and then determining which type of therapy is most likely to destroy those cells. Other types of more traditional treatments include surgery, chemotherapy and radiation.

How does immunotherapy work?

Immunotherapy, often referred to as biologic therapy or biotherapy, is a treatment that uses the body’s immune system to fight cancer. This treatment works by stimulating the body’s immune system to target cancer cells or by adding man-made immune system proteins.

Your immune system protects your body from foreign invaders, such as infections. Unfortunately, targeting cancer cells can be a little more difficult because cancer is altered cells, and the body doesn’t always recognize them as foreign. Immunotherapy helps the body’s natural immune system recognize these cancer cells as foreign, helping it better battle the cancer.

Immunotherapy is administered in many different ways including intravenous, oral and topical.

Roy Jensen, MD, director of The University of Kansas Cancer Center, talks to Joseph McGuirk, DO, medical director of our blood and marrow transplant program. Immunotherapy and cellular therapeutics represent the future of cancer care, including breakthrough CAR T-cell therapy.
Dr. Roy Jensen: Welcome to the first episode of Bench-to-Bedside, a weekly series of live conversations about recent advances in cancer, from the research bench to treatment at the patient's bedside. I'm Dr. Roy Jensen, Director of The University of Kansas Cancer Center, and with me is Dr. Joel McGuirk, who is our Director of The Division of Hematologic Malignancies and Cellular Therapeutics. Together, we're gonna help you better understand CAR T therapy, a type of immunotherapy that is changing the landscape of cancer treatment. What is immunotherapy and how does it work? Dr. Joel M.: Immunotherapy is an exciting and very promising area in medicine, and it leverages our increased understanding of how the immune system works, so that we can manipulate that immune system to improve our cancer patients with medical illness. In cancer medicine we call this immuno-oncology. Dr. Roy Jensen: How is immunotherapy different from cellular therapy? Dr. Joel M.: Well cellular therapy actually is using entire cells of the immune system. The most important of which are cells called T-cells, and it falls under the umbrella, the general umbrella, of immunotherapy. There are other types of immunotherapy that are being leveraged to treat cancer patients as well, for example cancer vaccines, molecules such as antibodies that block interactions between cancer cells and those T-cells' part of the immune system, to prevent them from down-regulating the immune system's response to them in and eradicating them. Dr. Roy Jensen: You hear a lot of buzz these days about this term CAR T, why is that so exciting? Dr. Joel M.: CAR T-cell, Chimeric antigen receptor modified T-cells, which is a mouthful, is an extraordinarily exciting area, because with this, cells are taken out, re-engineered in the laboratory to do the work that they fail to do in the first place, and that is recognize and destroy cancer cells. Re-engineered to do that work again, expanded and infused back into the patients, and we're seeing some truly stunning results in several diseases. Dr. Roy Jensen: If you're just joining us, we're talking about an exciting medical breakthrough in cancer treatment call CAR T therapy, and Lindsey Leesmann is here in the studio to take your questions. So, remember to share this link with people who might benefit from this discussion. Send us your questions, and remember to share this link and use the hashtag BenchToBedside. How does CAR T therapy work exactly, and which cancers are being treated with this modality? Dr. Joel M.: Very important question, so the principal cancers that have been targeted so far with this new technology in manipulating the immune system, have been blood cancers. The CAR T-cells are the patient's own immune system, taking their cells out their blood and isolating these important mediators of the immune system T-cells, and then genetically engineering them to recognize the cancer cells, expanding them, and infusing them back into the patient so they will recognize, attach to the cancer cell, punch a hole in it, and kill the cancer cell. Very exciting, two recent Food and Drug Administration approvals for this therapy and acute lymphoblastic leukemia in children, adolescents, and young adults, and non-Hodgkin's lymphoma in adults, have just come to the forefront. Dr. Roy Jensen: Are we going to be able to use this type of therapy against solid tumors like breast cancer, colon cancer, and the like? Dr. Joel M.: I believe so. There are currently 450 clinical trials in the United States that are exploring further expansion of this CAR T-cell technology, based on the remarkable results in these two diseases that I just mentioned, these blood cancers. Many of those clinical trials do include solid tumors, such as breast cancer, ovarian cancer, lung cancers, and other. Dr. Roy Jensen: We talk about this being a new therapy, but how long has this therapy been in the development process? Dr. Joel M.: This has been in the works for decades, on the shoulders of thousands of men and women in laboratories and scientific laboratories, in translational research efforts throughout our nation. One step after another in understanding in how the immune system works, which is fundamental to this entire process, then experiments that manipulate that immune system to work to the advantage of our patients, and now through clinical trials coming to fruition as a standard therapy for at least two diseases, and more to come. Dr. Roy Jensen: This is an entirely different approach to treating cancer, could you tell us a little bit about the steps that go into re-engineering these cells? Dr. Joel M.: Yes, absolutely. So patients arrive at the cancer center for consideration of such therapy, and the next steps are somewhat dependent on whether they're on a clinical trial, the rigorous criteria for entry in a clinical trial, or whether they're being treated now with standard FDA approved therapeutics. Generally those steps are very much overlapping. It only takes a couple of days to get that sorted out, and make sure that they're an appropriate patient for this therapy and they can tolerate this therapy. They then have blood collected in the laboratory, just like donating blood with a machine, and over a several hour period. That blood is sent to the laboratory for engineering. The T-cells that I mentioned earlier are isolated, they're expanded in the laboratory, and then they're genetically altered to recognize the cancer cells. They're then further expanded to millions of cells. They're frozen, they're sent back to our center generally about 17 days later. Thawed out and infused intravenously into our patient. Those cells sweep through the bloodstream, through the organs, recognize the cancer cells, attach, have a mechanism whereby they punch a hole in the cancer cell and let little Pac-Men enzymes that go in and tear up the cell's DNA, the cancer cell's DNA, so the cell dies. Dr. Roy Jensen: That's amazing. What is happening with the patient during those 17 days when the cells are being re-engineered? Dr. Joel M.: It's a precarious time, a time that we and the patients and their families, of course, worry a great deal, because these patients are most commonly relapsed from prior therapy, and they're resistant to other subsequent therapies. So that's a terrible situation for a patient to be in. Some of these tumors, particularly acute leukemias and lymphomas can grow very rapidly, even in those 17 days while the patient is waiting. There are some things we can do to bridge the patient, to prevent further progression of their disease. Chemotherapy has limited effects in that setting, so we're hopeful that we can keep a hawk's eye out on the patient. They're here in our center, watched and give therapy to hold the fort till we can get those cells back, and get them into the patient. Dr. Roy Jensen: You've been treating leukemia and lymphoma patients for a long time, could you give us a bit of perspective in terms of the effectiveness of our traditional forms of therapy, versus CAR T therapy? Dr. Joel M.: Yes, absolutely. It's really revolutionary, what's happening, and that's not hyperbole. The prime examples are acute lymphoblastic leukemia in children and young adults who relapse and are not responding to subsequent chemotherapy, or who have had a stem cell transplant and relapsed. Their survival time is marked in months, not years, and many of them will succumb to that disease in a matter of weeks. So a terrible situation. Only 6% of those such patients will be surviving it two years afterwards. So, devastating. With CAR T-cell therapy in that very population of patients, 80% to 90% of patients have gone into complete remissions. The majority of those patients with those remissions, are in continued remission beyond six months after being treated. That is unheard of in that population of patients. In adults, in older adults, with non-Hodgkin's lymphoma, the most common type of which is diffuse large cell lymphoma, when they relapse and are resistant to chemotherapy, or have had a stem cell transplant and relapsed, their chance of responding to subsequent therapy is 7%. Their survival at two year is 16%, and half of the patients will be gone by six months. Again, a devastating cancer diagnosis. So in those patients, with CAR T-cell therapy, that very population, 50% of patients are going into complete remissions, and, again, beyond six months, the majority of those patients are staying in complete remissions. Dr. Roy Jensen: Wow! It's easy to see why this is seen as a revolution. Could you tell us a little bit about the risk of this therapy, 'cause no therapy is without risk. Dr. Joel M.: Absolutely, and this therapy is certainly not without risk. There are two general risk categories that these patients have to contend with and confront. One is called cytokine release syndrome, so when we get the flu, those are our T-cells attacking the virus, the virally infected cells, and they release molecules to call in the troops. Those molecules make us have high fevers, can make us have chills and lay in bed for three days. When these CAR T-cells attack the cancer cells, they do the same thing, the call in the troops, but tenfold, and so these patients can develop dramatically high fevers, decreases in blood pressure, become quite ill, and some require intensive care unit stays, and intensive care unit support. The other category of toxicities, is neurological toxicity, which we don't understand well yet. It's an area of great exploration right now. The patients can become mildly confused, have difficulty speaking, or have full-blown seizures and also require intensive care unit stays. So this therapy is not without significant risk. Fortunately, for the overwhelming majority of patients, those toxicities are transient, although there have been some deaths, they've been far and few between, thank goodness. And there have been some rare late sequelae down the line. Dr. Roy Jensen: Could you tell me a little bit about kind of the nuts and bolts of how a patient accesses these trials. Is there a waiting list? How do you qualify for these types of therapies? Dr. Joel M.: A very, very important issue. Now that there are a handful of centers in the United States, including our own, that offer this type of therapy in either the context of a clinical trial, or as standard therapy, as I've describe, for acute lymphoblastic leukemia and non-Hodgkin's lymphoma. Patients, generally, are referred by their physicians from around the nation, and we've actually had patients, as have the other centers in the country, come from around the world, from other nations to our centers for this type of therapy. We move them quickly, because again it's a high-risk population of patients. So, if they're out in California, or they're in Australia, or they're out in the Kansas countryside, we get them in within a day, very quickly. We get them on a plane and get them out here, do a quick workup on those patients to determine whether they are eligible for a clinical trial, or are they eligible to receive the standard therapy with this treatment. Can they tolerate the toxicities that I've just described, or do we have a good chance of getting them safely through this therapy. Once that's been determined in a couple of days, we then go on, as I've described previously, and collect those cells. Then we hold the fort until we can get those cells engineered and back to the patient. Dr. Roy Jensen: If you're just joining us, we're talking about CAR T therapy, a type of revolutionary therapy to treat cancer. Lindsey do we have any questions from the audience? Lindsey L.: One question is how long does the qualification process take? You said you get patients in really quickly, but how long before they get in the door to be able to be qualified? Dr. Roy Jensen: Joel? Dr. Joel M.: That's a very important question, and it comes to the critically important point, that it takes a large healthcare team to make this possible. From the financial end, of which can be a substantial challenge for patients and their families, the insurance approval, the coordination of getting them to our center quickly, and the doing the workups very quickly, getting them to the therapeutics. Because, again, this is a highly vulnerable population of patients who have relapsed, so they have active cancer, and substantially so, and they're resistant to other attempts to get them back into remission. So very vulnerable population. We don't have weeks for these patients, we have to move in a matter of days. And again, that takes a complex team. We call that team, in our center, the CAR hub team, and we've published this past September, an article in a journal called Cytotherapy, on how to put such a team together. What are all the parts and pieces that make this go quickly, and smoothly, and safely for our patients. Dr. Roy Jensen: Those of us at The University of Kansas Cancer Center have already the unique position to offer this therapy to patients, could you go into that a little bit more, about what is it that makes this place a core CAR T center? Dr. Joel M.: A couple of very important variables that were critical to our being able to offer these therapies to patients. One, we're a National Cancer Institute designated cancer center, and so that brings a reputation for our center of a commitment to clinical trials, a demonstration that we have the infrastructure to support those clinical trials. Very complex clinical trials, as you can image with this type of therapy, and many other types of cancer therapy. So that's a mainstay pillar of being able to participate in these kind of trials around the nation. And then, secondly, we've had the infrastructure in our stem cell transplant program, and CAR T-cell therapies have been available principally, and I believe exclusively, only in stem cell transplant centers that are approved by a national accrediting body. A lot of rigor goes into that as well. And then a track record through our NCI designation of performance in clinical trial enrollment, in doing those clinical trials well and safely for patients. Dr. Roy Jensen: About how many places across the United States are now offering CAR T therapy? Dr. Joel M.: It depends on whether we look from the clinical trial perspective, or the approved sites for the Food and Drug Administration approved constructs. The former, the clinical trials, many centers around the country are moving in this space, again with very specific teams that are able to do this. That's a minority of even academic centers in the nation, right now. And then in the commercial space, recently approved, we are one of 16 approved sites in the United States to employ those CAR T-cells for patients with lymphomas and leukemias, as I described. Dr. Roy Jensen: For the FDA approved therapy, obviously patients around the Kansas City region have access to our center, what's the next closest center? Dr. Joel M.: Barnes-Jewish Hospital, Washington University in St. Louis, University of Nebraska's been participating in this area, and MD Anderson Cancer Center in Houston. Dr. Roy Jensen: Is there a waiting list for patients? Dr. Joel M.: There is a waiting list, including in our own center, and again that is a challenge, because these are patients with very aggressive diseases who are not responding to therapy, and so moving patients along in a timely manner is absolutely essential. It's a life and death issue for these patients, and so we are, none of us in the United States, the centers that are participating in this area, are shy about calling each other to find out if there's an available slot, if there's not an available slot at our center. We've been fortunate that our infrastructure has supported, and no one has had to wait or to be sent elsewhere to date, and we're hopeful that as we continue to expand our infrastructure, we'll be able to accommodate these patients in a very timely manner. Dr. Roy Jensen: Great. Lindsey, do you have another question for us? Lindsey L.: I do. We have a question, do we ever see the 17 day turnaround timeframe decreasing? Dr. Joel M.: There are important research efforts underway in laboratories to look at improving that turnaround time. It's actually ... the 17 days is a significant improvement over where we started, was for some of our clinical trials, twice that length. And so many patients, unfortunately, had progressive disease and succumbed with their disease, or were too ill to proceed in the early stages of the clinical trials, including those that we participated in. That timeline has been brought down significantly. It's still, 17 days is a critical 17 days, but I do believe that there are technological improvements that will allow us to shorten that further. Dr. Roy Jensen: How has the insurance industry approached CAR T therapy? And what are the costs involved here? Dr. Joel M.: The costs are very substantial. This is an extraordinarily costly therapy. When we put that in the context of life here saved and productivity in our society, we believe that that is an appropriate balance. However, the upfront costs are very substantial. There's great risk to patients, to institutions, the insurance carriers. So, the insurance carriers to date, in our interactions, have been very responsible, and they've been very supportive. But, boy, they make sure that you've done your homework, and that you're treating the appropriate patients, and patients who have the optimal chance of benefiting from this type of therapy. I think that that is appropriate. When we pull our team together, this is a frontline question that's addressed by part of our healthcare team, the financial arm, to make sure that we're not going to put the patient at undue financial risk, or the institution, and that we'll have healthcare insurance approval. We actually run several processes in parallel, the evaluation of the patient, the communication throughout the team, the preparation to have the cells produced, and the insurance approval. We can't move forward without that insurance approval. But the insurance carriers understand what we're all after here. Dr. Roy Jensen: Obviously we became involved very early with CAR T therapy trials for the benefit of our patients. How does involvement in these trials benefit the cancer center? Dr. Joel M.: It's really critically important. We're very fortunate to enroll patients with non-Hodgkin's lymphoma, to be the first in the nation, and actually the first in the world, in a multicenter multinational trial of CAR T cells for non-Hodgkin's lymphoma. And we have been the leading roller on one of the most important trials in this space. That has brought a lot of attention to our center. Our center already had been involved over many years in many clinical trials, and demonstrating our excellence, which got us to that point. And this further demonstrates to the pharmaceutical industry, to other academic centers, to the National Cancer Institute, that we can contribute, and we can contribute significantly when we're involved in high-priority high-impact studies such as this. Dr. Roy Jensen: Great. Lindsey, do we have any more questions we want to slip in here? Lindsey L.: We don't. Dr. Roy Jensen: All righty. Well, Joel, I just want to congratulate you and your team on an extraordinary amount of work that you've put into making sure that our patients have access to some of the most exciting therapeutic advances that I've ever witnessed in my career in cancer research, and we are truly blessed to have you and all those folks over there, doing such a great job for our patients. Do you have any final thoughts you want to share with folks, all of us? Lindsey L.: No, thank you. It's the most exciting time of my entire career. I've been a cancer specialist for ... getting up here to 30 years pretty soon. Have always been excited about the prospects of improving lives for our patients, as have you and our other team members, but in no time in my life have I been more optimistic and excited about the developments coming down the line. This imunnotherapeutic approach is just one of a multitude of avenues where we're going after these cancers more successfully, as you know better than anyone. Dr. Roy Jensen: Well thank you so much for being with us this morning, Joel. If you have any more questions about immunotherapy and cellular therapeutics, go to kucancercenter.org/CAR-T. Next Wednesday at 10:00 a.m., we will look at HPV related cancers and the vaccine that prevents them. In the meantime, share this conversation using the hashtag BenchToBedside with people you know will benefit. See you next week, and thank you for watching.

Benefits and risks of immunotherapy

Immunotherapy moves the field of cancer care an unprecedented step forward toward precision cancer therapies. Unlike traditional radiation and chemotherapy – which represented a revolution of their own when introduced decades ago – immunotherapy is highly targeted. It precisely destroys cancer cells without harming healthy cells. Immunotherapy offers the potential to deliver more targeted treatment with fewer harsh side effects.

As with any cancer treatment, there are risks associated with immunotherapy options that must be weighed in comparison with potential benefits, which could be lifesaving. The possible side effects depend on the type of immunotherapy, the dosage, the type of cancer and how advanced the cancer is.

For intravenous immunotherapy, possible side effects include:

  • Injection site irritation
  • Fever or chills
  • Weakness
  • Nausea and vomiting
  • Muscle and joint pain
  • Fatigue
  • Trouble breathing
  • Organ inflammation


What happens during immunotherapy?

Immunotherapy boosts your body’s immune system to target and attack cancer cells. Some main types of immunotherapies include:

  • Monoclonal antibodies: These are immune proteins produced in a lab and designed to attach to specific cancer cell targets.
  • Immune checkpoint inhibitors: These are specific drugs that stimulate a stronger immune system response to cancer cells and tumors.
  • Adoptive cell transfer: This form of immunotherapy works to boost the natural ability of the T cells in your immune system. T cells are removed from a tumor and grown in a lab, taking a few weeks. The T cells are then reintroduced into your body to fight the cancer.
  • Cancer vaccines: Cancer vaccines work to boost your body’s response to cancer cells.
  • Cytokines: Cytokines are a natural protein made by your body. These proteins help your immune system fight cancer.

Recently, our cancer center became one of the first sites in the nation to offer FDA-approved CAR T-cell therapies. These include YESCARTA™ for treatment of non-Hodgkin lymphoma in adults and KYMRIAH™ for treatment of relapsed or refractory acute lymphoblastic leukemia (ALL) in patients up to 25 years old.

Why choose us

At The University of Kansas Cancer Center, the rarest cases aren’t rare. We specialize in caring for patients with the most complex conditions. Our dedication to healthcare excellence and patient-focused care attracts patients from around the region and across the country.

Our central location makes us easily accessible by interstate, rail and air travel. No matter where patients come from, they can be here in a matter of hours.

Still, planning for a trip and being in an unfamiliar place for medical care can be overwhelming.

Our dedicated travel consultant and concierge assistant will help patients and visitors arrange their visit to The University of Kansas Cancer Center. Concierge services are available weekdays 8 a.m.-5 p.m. Visit our travel page or request a Patient Comfort and Travel Guide for information on nearby lodging, dining and other amenities. Call toll-free 844-323-1227, then press 4 to talk to a travel concierge. For international inquiries, call 00-1-913-588-1227.

BMT patient Rebecca Hertzog Burns.

Cured after cord blood transplant

Through immunotherapy, Rebecca achieved remission from the leukemia she faced not once, but twice in her life.
Rebecca's story

Start your path today.

Your journey to health starts here. Call 913-588-1227 or request an appointment at The University of Kansas Cancer Center.