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Current and Emerging CAR T-Cell Therapies for Myeloma

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What are the current and emerging CAR T-cell therapies for myeloma? Nurse practitioner Donna Catamero discusses approved CAR T-cell therapies for multiple myeloma, who they’re appropriate for, ongoing research to expand their use, and treatment options if the disease returns after CAR T-cell therapy.

Donna Catamero is a Nurse Practitioner and associate director of the Multiple Myeloma Clinical Research Program at Mount Sinai Hospital in New York City. Learn more about Donna Catamero.

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Transcript:

Katherine Banwell:

Donna, welcome. Thank you so much for joining us. Would you please introduce yourself and tell us about your role at Mount Sinai? 

Donna Catamero:

Sure. I’m Donna Catamero, I’m a nurse practitioner, and I’m the associate director of the Multiple Myeloma Clinical Research Program at Mount Sinai Hospital in New York City. 

Katherine Banwell:

Would you tell us about the currently approved CAR T-cell therapies and which myeloma patients they may be right for?  

Donna Catamero:

So, currently, we have two products available for patients. The first is idecabtagene vicleucel (Abecma), and it’s approved for patients with relapsed/refractory disease who have received two prior lines of therapy, and this includes exposure to an immunomodulatory agent, so, your lenalidomide (Revlimid), your pomalidomide (Pomalyst), a proteasome inhibitor, and that includes Velcade/Kyprolis, and an anti-CD38 monoclonal antibody, so this is your daratumumab (Darzalex) or isatuximab-irfc (Sarclisa). 

The second product we have to offer patients is ciltacabtagene autoleucel (Carvykti), and this is approved for patients a little bit earlier on, so, also relapsed/refractory disease who have received at least one prior line of therapy, and it must have included proteasome inhibitor and an immunomodulatory agent, and they need to be refractory to Revlimid. So, what “refractory” means is they relapsed while taking the Revlimid.  

And both these therapies are important for patients, so if patients are inquiring about CAR T therapy, they should ask their providers what product is available for that. 

Katherine Banwell:

Let’s talk about research in CAR T-cell therapy. What new options are being studied, and how far along is the research? 

Donna Catamero:

So, we’re actually very excited. So, the two products, Abecma and Carvykti, we’re actually looking at them in newly diagnosed myeloma patients, and this is regardless of if patients are eligible for transplant or not, and we’re looking at comparing transplant versus CAR T therapies, so we’re hoping to move CAR T therapies for newly diagnosed – so, first-line therapy – so this is very exciting, and we’re also investigating new products with dual targets. 

So, right now, our two approved CAR Ts, they target BCMA, so now we’re looking at CAR Ts that are targeting BCMA and another target – so, GPRC5D or CD19 – so this means that the CAR T is grabbing onto more cells, so, in theory, it would have a higher cell kill.  

And then, we’re also investigating CAR Ts that we call off-the-shelf, so, autologous CAR Ts, so, donor CAR Ts, and this is actually exciting for patients who maybe can’t wait for manufacturing of their T cells, and now we can use donor T cells. So, these are earlier on studies, so we’re hoping within the next few years, more options will be available for patients.  

Katherine Banwell:

Yeah. What happens if the myeloma comes back after T-cell therapy? What are the treatment options available beyond CAR T? 

Donna Catamero:

Earlier on, we were hoping that CAR T would be our cure, but patients are getting very long, durable remissions from their CAR T therapy. We see patients who are five, seven, eight years out from their CAR T therapy, so patients do have a long time in remission, but the myeloma can come back. 

And what do we do with these patients? We actually have been very successful managing patients post a CAR T relapse, so we are looking at bispecific antibodies, which were recently approved over the past several years, and we see patients who have had relapses from their CAR T go back into a remission with these bispecific therapies, and again have long, durable remissions. So, we can absolutely manage patients if their myeloma comes back after CAR T therapy. 

What CAR T Research Is Ongoing to Improve Treatment Response?

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What CAR T Research Is Ongoing to Improve Treatment Response? from Patient Empowerment Network on Vimeo.

 How can CAR T treatment response be improved with research? Expert Dr. Krina Patel from The University of Texas MD Anderson Cancer Center discusses the CARTITUDE, KARMMA-9, and LEGEND studies and proactive patient advice about bispecific therapy and CAR T.

[ACT[IVATION TIP

“…before you start bispecific therapy, talk to your doctor about CAR T. And the reason I say that is that when you get a bispecific therapy, and currently that is not a fixed duration therapy, it is a continuous therapy. So patients are on it until they relapse. And the problem is that once you relapse on that T-cell therapy, your risk of losing BCMA, losing the antigen is much higher. There are mutations that we’re seeing that most patients get.”

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Transcript:

Lisa Hatfield:

So, Dr. Patel, given the risk of relapse following initial CAR T therapy, what approaches are being investigated to enhance the persistence and durability of CAR T-cell responses in patients? I know there are a lot of theories out there saying things like antigen loss might be an issue, the loss of the target BCMA, T-cell exhaustion, the environment of the bone marrow, what of those theories are being investigated or looked at?

Dr. Krina Patel:

Yeah, I think without causing too many issues with why we think CAR T is so great, where it’s a one-and-done, right? That gives people this wonderful time off. In the relapsed/refractory setting, I think our goal is can we use CAR T to cure, right? That is the ultimate question. And, again, with cilta-cel (ciltacabtagene autoleucel) [Carvykti], with the original data from the LEGEND study, which was the original study in China, those patients had a little bit less therapy than CARTITUDE. However, there are about 15 percent of patients that are six years out from their CAR T still in remission, right?

And so that gives us a little bit of hope that maybe we’ll have a small tail and a small number of patients that are cured from our current CAR T approaches. But the question is, how do we now increase that tail and make it more like lymphoma? And then hopefully, 90, 100 percent of patients eventually, how can we, how can you get everyone cured? And so I think it comes down to myeloma is not the same for everybody, right? So you have our high-risk patients versus our standard-risk patients. And I think the strategies are going to be different for those two patient populations.

They already are in the way we treat patients with even induction therapy and maintenance and consolidation. We tend to be much more aggressive with folks who have high-risk disease versus those who don’t. And so, I think the biggest studies right now that are looking at this are really the combination studies. And so looking at CAR T followed by some type of maintenance, but fixed duration maintenance. So CARTITUDE 5 and 6 and KarMMa-9, these are all the studies of the BCMA CAR Ts in frontline. All of them will have maintenance afterwards, but it seems to be that they’re going to be two years of LEN maintenance and that’s it, nothing after that.

So LEN, lenalidomide (Revlimid), we know that it activates T cells. It activates other immune cells like NK cells in the body, even B cells. And so when you get cytokine release syndrome from the CAR T, you’re already making more of these immune cells and activating them. And now you’re going to have lenalidomide in there to kind of keep that going, right? And so that could help with this, not persistence of the CAR T itself, but persistence of better immune cells that can actually keep your myeloma down, right? So I think that’s one way.

The other way is some of the new therapies like CELMoDs. So these are sort of the newer version of lenalidomide and pomalidomide. They tend to have more immune effect than the other two drugs. So there’s studies looking at other CAR Ts, so a different target, right? So we talked about antigen loss. If you’ve lost BCMA, then what do we do?

Well, there’s other targets like GPRC5D. So a couple of the studies are looking at GPRC5D-CAR-T plus mezigdomide, which is one of the CELMoDs, or another arm is iberdomide, which is the other CELMoD, and looking at different doses without causing too many side effects, but still helping the T cell keep going, all kinds of things going on there. So those are some interesting studies.

And one of the cohorts, it’s actually using a GPRC5D-CAR-T with a BCMA bispecific after, that’s combinations. So now you’re targeting two different antigens and you’re using T cells in two different ways, right? And again, it’s fixed duration so that it’s not forever, but after a certain period, hopefully, we fix the bone marrow and we’ve killed enough myeloma that hopefully it won’t come back.

And so I think all of those are different strategies for the T-cell exhaustion to help with that, to hopefully keep from getting antigen loss, or if someone does have antigen loss, figuring out a way to go around it. And then the microenvironment I think is the biggest one, is how do we find cytokines and other things that can give us a bone marrow microenvironment that makes it really inhospitable for that myeloma to ever come back again.

So there are early Phase I studies looking at some of this, but I think down the line, that’s really what it will be, that once people go into their stringent CRs, MRD undetectable, now what can we do to keep that bone marrow from ever letting it grow again? And I think those are some interesting studies in the future.

Lisa Hatfield:

Okay. Thank you. So some patients are asked questions about the sequencing, and you’d mentioned different therapies. So I’ll ask this really quickly as follow-up, do you have any recommended or are there recommended sequencing of these different therapies like CAR T, then bispecifics, then CELMoDs, not all of them are FDA-approved at this point, but what are your thoughts on sequencing of those therapies?

Dr. Krina Patel:

So my activation tip here is that before you start bispecific therapy, talk to your doctor about CAR T. And the reason I say that is that when you get a bispecific therapy, and currently that is not a fixed duration therapy, it is a continuous therapy. So patients are on it until they relapse. And the problem is that once you relapse on that T-cell therapy, your risk of losing BCMA, losing the antigen is much higher. There are mutations that we’re seeing that most patients get.

So that means the next time we try to use a different BCMA therapy, there’s a big chance it’s not going to work. And we have small studies that show that, that people who get a bispecific, and then we try to go to CAR T for both CAR Ts that the response rates go down and the progression-free survival. So the months that patients get without, needing other therapy goes down for cilta-cel (ciltacabtagene autoleucel) [Carvykti], 33 months in CARTITUDE. It goes down to six months in CARTITUDE-2 where they did CAR T after prior BCMA therapy. That’s a huge drop.

In ide-cel, the real-world data, we saw that after bispecifics, you only get 2.8 months. If you get a CAR T, even though the response rates were still 70, 80 percent, it obviously there are clones that that BCMA isn’t there anymore that we can’t kill. And then it just grows back, right? The other way around, we actually see still a really good response because CAR T is a one-and-done, most of the time, you’re not going to lose BCMA.

So that let’s say a few years later, the myeloma was coming back. It usually has the same BCMA on there. So now I can use a bispecific. And yes, the PFS is still shorter than what you would see if you never had any BCMA therapy. It’s still in the realm of, almost a year, PFS though. So it’s much closer to what we see in the real world for bispecifics than the other way around for CAR T, it’s much, much lower. So we try to do CAR T first then bispecific, if possible. The other part is a T cell. So if you try to make T cells right after someone’s coming off of a bispecific, it is really hard to get T cells that are functional that then we can actually put a CAR into and make it work. So again, why, doing a CAR T first, and then a bispecific makes the most sense for the majority of our patients if they can do it that way.

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Are There Myeloma Trials Investigating CAR T for Frontline Therapy?

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Are There Myeloma Trials Investigating CAR T for Frontline Therapy? from Patient Empowerment Network on Vimeo.

Is it possible for CAR T-cell therapy to be used as a frontline therapy? Expert Dr. Krina Patel from The University of Texas MD Anderson Cancer Center sits down with her patient, Lisa Hatfield to discuss CAR T-cell clinical trials, including CARTITUDE-4, KarMMa-2, and KarMMA-9, and trials currently under study. 

[ACT]IVATION TIP

“…talking to a myeloma specialist about different options that are out there for trials because different centers will have different trials that are open and you need someone to help you navigate with that. Which ones are the best ones for you? And then I would say talking to your patient advocacy groups, because that’s really where a lot of my patients hear the information. And then they come to me and say, ‘Listen, I heard this, what does it mean?’ And I think that really helps you kind of even know where to start from.”

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Transcript:

Lisa Hatfield:

So, Dr. Patel, for this next question, I’m going to preface it by saying that anybody that I have ever talked to in my advocacy work about myeloma and how to get care for myeloma, I’m a huge advocate for seeing a myeloma specialist. And I will tell everybody out there that Dr. Patel at MD Anderson is my myeloma specialist, and I’ve been with her since I was diagnosed in 2018. I live in an area where we don’t have any myeloma specialists. And so I’m an advocate for that. And anybody listening, I hope that they know that they can seek out the care of a specialist even for initial consult or even once throughout their journey.

Having said all that, I know Dr. Patel, because you’ve talked to me about them before, that you’re involved in some clinical trials for CAR T therapy. Can you talk a little bit about your trials that you’re doing right now that offer CAR T in earlier lines of therapy, including frontline therapy, and what this could mean for patients?

Dr. Krina Patel:

Yeah, no, I think the CAR T trials are what allowed us to even get to second and third line. The KarMMa-3 and  CARTITUDE-4 were the two trials that brought ide-cel (idecabtagene vicleucel) [Abecma] and cilta-cel (ciltacabtagene autoleucel) [Carvykti] forward, which is fantastic. And I think now it’s how can we improve even further? So some of our clinical trials are even earlier line, like you said, frontline. So we have one called KarMMa-9 that is for patients who have less than a VGPR, meaning that they didn’t get all their myeloma gone after their initial transplant, if they went to transplant, you can do consolidation with CAR T. And we’ve had a few patients that we did on a smaller study called KarMMa-2 that are doing really well after they were on that cohort for that study.

So that’s sort of why they’re doing a bigger study for FDA approval now. And then CAR T 2-5 and 6, we don’t have that at MD Anderson, but a lot of centers do. But that is now trying to see if cilta-cel can actually beat stem cell transplant, which again, a lot of us are really excited about, but we need to do the trial to make sure it’s just as safe and hopefully more efficacious. So I think those are really, really important. Auto-transplant, I was a transplanter when I first became faculty at MD Anderson.

And so I do think it has a role, but it’s high-dose chemo and there are secondary potential side effects that can happen. And people really have to kind of stop their lives for at least two, three months, if not longer, to go through that. Where in CAR T, I think it’s that quality of life piece. Again, it’s one and done. It doesn’t take as long to recover for the majority of patients. And it really is using immune therapy instead of chemo to kill that myeloma, right? So it is very different.

And we’ve seen some amazing depth of response for CAR T compared to what we see with the normal chemotherapy. So the other piece is how we have other trials that are doing earlier lines. So there’s new CAR Ts that are coming out, hopefully in the near future as a standard of care. So there’s one called ddBCMA. It’s a study by Arcellx. And the big news was that Kite, which is one of the big lymphoma CAR T companies, just took over to do their big Phase III study.

So hopefully we’ll have FDA approval for this in the next year with our Phase II study. But the Phase III will be in second line forward just like the CAR T 2-4 was. And this CAR T, it’s different in the way it’s built. And we really don’t see any of the neurotoxicity at all so far, which has been pretty impressive. But we see the same efficacy that we saw with cilta-cel. So this could be sort of best of both worlds, knock on wood. But so far we’ve seen some really great responses. And I think that trial being offered earlier will be great as well for a lot of our patients to get something that might be better than what we have already. The other trials are with other targets.

So we do have some studies that are looking at different targets instead of BCMA. So now we have patients who have already had CAR T with BCMA and over time, years, for the most part, they’re relapsing. And so now we have GPRC5D CAR Ts that are actually being combined with different things to then be able to give them a little bit earlier rather than waiting till after BCMA or fifth line, etcetera. So we have lots of trials looking at all different ways to combine CAR Ts or newer versions of the BCMA CAR Ts that I think are really, really exciting. And I think it’s really hard to keep up with this.

So my activation tip here is really talking to a myeloma specialist about different options that are out there for trials because different centers will have different trials that are open and you need someone to help you navigate with that. Which ones are the best ones for you? And then I would say talking to your patient advocacy groups, because that’s really where a lot of my patients hear the information. And then they come to me and say, “Listen, I heard this, what does it mean?” And I think that really helps you kind of even know where to start from.

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What Patient Types Are Good Candidates for CAR T-Cell Therapy?

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What Patient Types Are Good Candidates for CAR T-Cell Therapy? from Patient Empowerment Network on Vimeo.

For CAR T-cell therapy, what patient types are good candidates? Expert Dr. Krina Patel from The University of Texas MD Anderson Cancer Center discusses patient situations that qualify them for CAR T-cell therapy and shares proactive patient advice.

[ACT]IVATION TIP

“I think a lot of people have this misunderstanding that CAR T isn’t for everybody, but I will say it’s actually more likely that you’re going to be eligible for CAR T over auto transplant. So I think it’s just bringing it up, talking to them, and seeing a specialist to discuss which ones are the right one for you and when to go.”

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Transcript:

Lisa Hatfield:

Dr. Patel, given that CAR T is approved for earlier lines of therapy, can you describe the type of disease characteristics of patients that are likely to be considered first for CAR T?

Dr. Krina Patel:

Yeah, I think it’s a really exciting time, we got approval for two different CAR Ts that were approved in fifth line. So patients had to relapse four times before they could get to CAR T therapy. And now one of them, cilta-cel ciltacabtagene autoleucel [Carvykti], is approved in second line, so people have to relapse once before they can get it.

And the other CAR T, ide-cel (idecabtagene vicleucel) [Abecma], is approved in third line, so you have to relapse twice. There are reasons why that is the way it is, but both of these CAR Ts are pretty fantastic, and we’re really excited that more patients will now have access. As you can imagine, relapsing once, it’s already hard enough to then say, okay, I need a different therapy, but to go through four times before you can do something like CAR T is really, really important.

So I think the biggest characteristic, and I would say for my patients, it’s really their ability to keep their myeloma controlled for at least six to eight weeks, potentially, right? Because this is a personalized therapy, unlike most other myeloma therapies where we have to take the T cells out, we have to then send them to a lab to make the CARs, then it takes about four to six weeks to get them back. During that time, I just have to know that your myeloma can stay controlled or even improve with whatever bridging therapy we decide to do during that time.

And we know that when patients have myeloma that is on its way down, that it’s actually improving, by the time they get to the CAR T therapy, the infusion part, they tend to do better in terms of efficacy, but also have less toxicity. So there’s a few different toxicities that we can talk about with CAR T that are very distinct compared to most other therapies, that again, if you have less disease burden, the rates of that toxicity and the high-grade toxicity goes away, right? It’s much, much lower than if you have a lot of myeloma coming in.

So, again, for my patients who have disease that I know I have other therapies to keep it knocked down or to knock it down during that bridging, that really is the main difference between, can I take this patient to CAR T or not? But I think there’s some nuances too, again, that idea that one CAR T is approved in second line, another one is approved in third line, I do think they’ve never been tested head to head, so we don’t have data in a clinical trial, but in the real world, we’ve used both of these products, a lot of us have, and I think most of us will say that one of the products is probably stronger, it probably works better cilta-cel, and that is the one that’s approved in second line, which is great.

So for my fit patients who don’t have a lot of comorbidities, who do really have high-risk disease that I need to be as aggressive as possible and do something very different, hands down, it makes sense that cilta-cel is the right thing to do right at second line, but the toxicity is also a little bit higher with that, meaning that patients are more likely to potentially get some of these strange neurotoxicities that we see, that we didn’t really see before with other therapies, some of our myeloma patients get neuropathy and we think about that as neurotoxicity, but this is different.

This is more patients after 30 days of having had their T cells can all of a sudden get a facial palsy where they’re having drooping of their face and it can affect their eating and their speaking. Now those things are not fatal, we can treat it with steroids, things like that, but they can affect your quality of life. And if it doesn’t resolve, that can affect down the road, all the other therapies we want to give you, right? But the more dangerous one is something called delayed Parkinsonianism or delayed motor neurotoxicities.

And again, we know the best prevention of that is decreasing the myeloma burden before going to CAR T, but if we can’t do that or some patients can still potentially get this Parkinsonianism, we really want to make sure there’s a risk-benefit discussion, right? That we say, okay, this is why we should go in second line.

Again, the risk is less than 1 percent now based on how we’ve done things for prevention. But on the other hand, with ide-cel, most of our patients, even on dialysis, our patients that are getting CAR T and doing well, patients with heart failure, I’ve had a 90-year-old go through ide-cel without any issues and have great responses. So I think both of these offer, one of the first times they offer time without any therapy for myeloma. And so I would say this is something most of my patients should ask their physicians about, but really then it’s nuanced in terms of when we should do it and which product.

Lisa Hatfield:

Okay, thank you. And do you have an activation tip for that question, Dr. Patel?

Dr. Krina Patel:  

Yeah, so I think the activation tip here is bring it up, bring up CAR T to your doctors, right? I think a lot of people have this misunderstanding that CAR T isn’t for everybody, but I will say it’s actually more likely that you’re going to be eligible for CAR T over auto transplant. So I think it’s just bringing it up, talking to them, and seeing a specialist to discuss which ones are the right one for you and when to go.

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Developing Research and New Myeloma Treatment Options

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Developing Research and New Myeloma Treatment Options from Patient Empowerment Network on Vimeo.

What are the new developments in myeloma treatment and research? Dr. Brandon Blue discusses how the landscape of myeloma care has changed in recent years and treatment options for high-risk myeloma, and he shares developing research that patients should know about.

Dr. Brandon Blue is Assistant Member and Clinical Instructor in the Department of Malignant Hematology at Moffitt Cancer Center in Tampa, FL. Learn more about Dr. Brandon Blue.

See More from Evolve Myeloma

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How Is High-Risk Myeloma Assessed?

Transcript:

Katherine Banwell:

Dr. Blue, the landscape of myeloma care has changed significantly in recent years. Are there new factors to consider when working with a patient to choose a treatment approach?   

Dr. Brandon Blue:

Yeah. The good thing about myeloma is it’s literally always changing, and that’s a great thing. Compared to some of the other cancers, or really even other diseases, sometimes we’ve been using the same things since the ‘90s. But luckily for myeloma every couple years we get something that’s bigger, and typically better. So, right now some of the new things that are available for patients are all the way from newly diagnosed, all the way to people who have relapsed disease. So, we have a lot of different options that we can potentially go into.  

Katherine Banwell:

Dr. Blue, what treatment options are available for myeloma that’s considered high-risk?  

Dr. Brandon Blue:

Yeah. So, unfortunately, there’s some people who have multiple myeloma whose disease does not follow the standard pattern. Unfortunately, what happens is that there are certain mutations that actually happen in the biology of those cancer cells that actually cause them to survive when they should be dying. And unfortunately, that means that sometimes the chemotherapy and the medicines that we give them becomes a little bit more resident. 

A lot of times when we give people treatment the one question they ask is, “How long will it last?” But, unfortunately, there’s some people who have those high-risk features that unfortunately, despite whatever numbers we tell them of how long it may last, theirs actually may last a little bit shorter, and the disease may come back a little bit quicker. So, what we have to do as the doctors, and as the team, taking care of these patients is maybe do things a little bit more outside of the box, and do things that might tend to be a little bit more aggressive. 

Because sometimes we have to match the aggressiveness of the disease. If the cancer itself is starting to be high-risk or aggressive, sometimes we may have to do some nontraditional things to kind of make sure that they have a good outcome and a good result.  

Katherine Banwell:

Dr. Blue, is there developing research that myeloma patients should know about? And what are you hopeful about?  

Dr. Brandon Blue:

Yeah. One of the things that happens right now is that we have CAR T that’s available for patients got approved by the FDA. However, the CAR T product that we currently have available only have one target, which is called the BCMA, or B-cell maturating antigen. 

Which is part of the plasma cells, however, there are so many other targets on the plasma cells that potentially can be targets for new medications. And the good thing is that there are actually new CAR T and medications that are being developed that actually target other things other than the BCMA.  

So then, it may come to the point where people get more than one CAR T down the road, and I think those are exciting clinical trials. Because if there’s multiple targets, and there’s multiple CAR T, maybe we can sequence them in a way that maybe we find a cure for the disease one day.  

Katherine Banwell:

That’s exciting.  

Dr. Brandon Blue:

It is.  

Katherine Banwell:

Dr. Blue, thank you so much for joining us. Do you have anything else you’d like to mention?  

Dr. Brandon Blue:

I just want people to know that it’s okay to get a second opinion. I think that regardless of what’s happening in your care, sometimes it’s always good just to have someone, especially someone who’s what they call a myeloma specialist, to review your case, and just make sure that you’re on the right road, and that things are going well for you. So, it’s something that I would recommend for anyone to do. 

Key Factors That Guide Myeloma Treatment Decisions

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Key Factors That Guide Myeloma Treatment Decisions from Patient Empowerment Network on Vimeo.

Treatment for myeloma varies from one patient to the next. Dr. Joshua Richter, a myeloma specialist, reviews the factors that are considered when choosing a treatment approach.

Dr. Joshua Richter is director of Multiple Myeloma at the Blavatnik Family – Chelsea Medical Center at Mount Sinai. He also serves as Assistant Professor of Medicine in The Tisch Cancer Institute, Division of Hematology and Medical Oncology. Learn more about Dr. Richter, here.

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Transcript:

Katherine:

What I would like to look at is because everyone’s different, what’s going to work for one patient might not work for another. So, how do you choose which treatment is right for a patient? 

Dr. Richter:

Really great question. So, unfortunately, myeloma, we don’t have the granularity just yet to say exactly what’s going to work for everyone. Our goal is to kind of be what I like to think of as urinary tract infections. You have a UTI, you pee on a dish, we put little discs of antibiotics and a couple of days later, we’re like, “You have an E. coli and Cipro will work.” You get the Cipro, and it goes way. We don’t really have that outside of a few drugs. We do know that the drug venetoclax (Venclexta) works really well in people who have a very specific type of translocation in their myeloma cells, something we call translocation (11;14).  

But for the most part, we don’t know, and we have lots of options and we decide what drugs to use based on three factors: disease-related factors, treatment-related factors, patient-related factors. So, patient-related factors. Are you older or younger? Fit or frail? Do you have comorbidities? If you have a lot of neuropathy from diabetes, I don’t want to give you a drug that’s going to cause more neuropathy. If you have a lot of cardiac issues, I’m not going to give you a cardiac drug. Disease-related factors. Is your disease growing fast or slow? Can I give you some pills or do I need to give you intravenous immediately to stop it? Is it pressing on a nerve? Do I need to add radiation?  

So, those are some of the big factors. And then, treatment-related factors. Have you had certain other drugs? So, if you’re refractory to lenalidomide (Revlimid), I may not want to give you Revlimid again. 

If you have a lot of side effects or didn’t respond well to Revlimid, I may not want to use another drug similar to Revlimid like pomalidomide (Pomalyst).  

I may want to choose another class. So, that’s kind of putting all of that together to come up with a treatment choice because there’s no clear guideline.