Tag Archive for: Dr. Tomasz Beer

An Expert’s Review of Advanced Prostate Cancer Treatment and Research

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An Expert’s Review of Advanced Prostate Cancer Treatment and Research from Patient Empowerment Network on Vimeo.

What’s the latest in advanced prostate cancer treatment and research? Expert Dr. Tomasz Beer shares recent updates, and discusses how developing therapies could impact the future of prostate cancer care.

Dr. Tomasz Beer is Deputy Director at OHSU Knight Cancer Institute. Learn more here: https://www.ohsu.edu/people/tomasz-m-beer-md-facp.

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Transcript:

Katherine:

When it comes to prostate cancer research and emerging treatment options, what are you excited about specifically?

Dr. Beer:                     

Well, there is so much to talk about there. And I do want to say that the things that we’re excited about and that are promising, we want to present them in the proper light, meaning that they’re significant potential advances, but they’re not necessarily cures next year.

You know, we want to raise hopes and excitement at a proper level. So, I think right now, what we’re seeing is progress that is likely to yield drugs that will extend survival, will help us control the disease in a meaningful way. We’re not yet at a point where we can, for advanced prostate cancer, have a reasonable hope of cure in the near term. That doesn’t mean we’re not trying. We’re aiming high, absolutely.

But at the moment, the most exciting thing right in front of us, in my view, is lutetium 177-PSMA 617. That is a radioactive molecule attached to a binder that is specific to prostate-specific membrane antigen, PSMA, and essentially delivers this radioactive drug directly to prostate cancer cells by attaching to that target, the PSMA.

We recently completed and reported at ASCO and published in the New England Journal of Medicine the results of a Phase III trial, where we were able to show extension of life, extension of control of cancer, in a meaningful way, with this drug, and we’re eager to see the FDA’s review, and I think generally hopeful that the FDA will allow this drug on the market hopefully in the coming months. So, that’s a real tangible thing that is not just pie in the sky years away. I think it’s likely to be available sometime in less than a year, hopefully much less than a year. Speculating on those things is always a little risky, but –

Katherine:                  

Of course.

Dr. Beer:                     

– we all think that’s coming.

I think there are several other targeted drugs that may expand the portfolio of things that we can do in response to a mutational analysis. So, I mentioned microsatellite instability and DNA repair defects. There might be treatments for mutations in a pathway called AKT and others. And so, I think we’re going to see more very specific drugs that address segments of prostate cancer. And then a big area of activity that I’m very excited about is immunotherapy. And immunotherapy has been difficult in prostate cancer.

It has made more headway in melanoma and kidney cancer, and a number of other solid tumors, frankly, and we’re a little bit behind, and I think in part because natural prostate cancer doesn’t elicit quite as much of an immune response as some of the other tumor types; so, it’s not so easy.

But some of the newest technologies for synthetic antibodies are being designed that link the T cells from the immune system directly to prostate cancer cells and activate them, I think hold a lot of promise.

And ultimately, when it comes to cure, the immune system right now looks like the most promising strategy for actually eradicating cancer because once you activate the immune system, it can really do quite a job on cancer. Right now, for prostate cancer, that is still almost entirely in clinical trials and still for a minority of patients. So, this is not an answer for everybody, but once we get a hold of something that’s promising, I think the field’s going to work very hard to expand its utility and make it a reality for more and more patients.

 

Key Considerations When Making Prostate Cancer Treatment Decisions

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Key Considerations When Making Prostate Cancer Treatment Decisions from Patient Empowerment Network on Vimeo.

What considerations are vital when making prostate cancer treatment decisions? Expert Dr. Tomasz Beer shares important factors that impact advanced prostate cancer care.

Dr. Tomasz Beer is Deputy Director at OHSU Knight Cancer Institute. Learn more here: https://www.ohsu.edu/people/tomasz-m-beer-md-facp.

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Transcript:

Katherine:          

What are the considerations when choosing treatment for advanced prostate cancer?

Dr. Beer:                     

Well, here, the considerations in advanced prostate cancer are first and foremost, what is the best treatment for this particular individual, right?

That’s what we want to do, and by the best treatment, I mean most effective with the fewest side effects, protecting their quality of life. But that’s an oversimplification. In reality, to arrive at what the best treatment is, we need to really understand quite a bit about the patient’s cancer. Sometimes it’s mutational status, as we discussed earlier, but also, the way it’s presenting, how aggressively it’s growing, is it involving the liver or lungs, or is it only in the bones, is it fast, is it slow.

And then the other thing that is extremely important is the patient’s health, other medical conditions. Some treatments are really more difficult to give when somebody has cardiovascular disease, or diabetes, or nerve damage, or other causes preexisting to the cancer treatment.

So, those kinds of things which we call comorbidities in the medical arena are really important in refining the risk-benefit ratio for each treatment. And finally, and critically, what prior treatments patients have received, that’s a major consideration. We obviously wouldn’t be using the same treatments again in many patients. There are exceptions to that, but for the most part, if a treatment’s failed once, it’s not likely to be of great benefit.

So, we integrate the cancer presentation, perhaps genomics in some situations, patient-specific health conditions, patient’s prior treatments, and then of course, patient’s values and personal priorities and what’s most important to them. And from all of that information, we take a look at the available portfolio and suggest one or two options, which we as physicians, based on our experience, expertise, and the knowledge of the literature, believe that fit most closely and are most likely to be successful.

Using Your Voice to Partner in Your Prostate Cancer Treatment Decisions

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Using Your Voice to Partner in Your Prostate Cancer Treatment Decisions from Patient Empowerment Network on Vimeo.

How can prostate cancer patients work to become partners in their care? Expert Dr. Tomasz Beer discusses “shared decision-making” in prostate cancer care and offers his perspective about the patient role in treatment decisions.

Dr. Tomasz Beer is Deputy Director at OHSU Knight Cancer Institute. Learn more here: https://www.ohsu.edu/people/tomasz-m-beer-md-facp.

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Transcript:

Katherine:

The term “shared decision” is being used lately when talking about patient care. What does this term mean for you?

Dr. Beer:                     

Well, you know, at some level in my view, at least in the United States, virtually all medical decisions are shared decisions. We have a culture of advising our patients about their options, perhaps recommending a course of action, if it’s clearly preferable in our judgment to other options, but really involving patients in those decisions and taking serious consideration of the patient’s personal preferences and values.

And oftentimes in cancer care, especially when we’re dealing with noncurative treatments, treatments that are designed to keep the cancer at bay, perhaps shrink it, prevent or reduce cancer-related symptoms, protect quality of life, we really need to understand each individual patient’s willingness to undergo treatments, take on treatment-related risks, and their personal priorities. Is it their goal to live as long as possible and accept more risks? Is it their goal to focus on the quality of life today and avoid risks to the extent possible and only take them on when they’re absolutely necessary?

These are the kinds of discussions that we have with patients every time we consider a treatment change. So, to me, shared decision-making is really what we do with every patient and almost every visit. In some cases, it’s particularly important because there are areas in medicine where there’s really equipoise, and we don’t have a very clear recommendation one way or another.

Prostate cancer screening is an example for that. We all would dearly love to believe that early detection of prostate cancer is helpful, but early detection of prostate cancer comes with its own harms, the risk of overdetection, overdiagnosis, overtreatment, all because we pick up not just the aggressive cancers but also very slow-moving cancers that are not life-threatening. And so, folks undergoing cancer screening really need to know upfront what they’re getting into and make a decision about their view of the balance between the risks and the benefits. That’s a classic example of shared decision-making.

Katherine:                  

What is the role of the patient in making treatment decisions?

Dr. Beer:                     

Well, I think that the role of the patient is absolutely critical. I mean, they’re the ones receiving the therapy, and there are many things that we look for from our patients. To me, the most important is a clear understanding of their options and the reality within which we operate, having a set of hopes that are forward-looking, hopeful, and optimistic but also grounded in reality, so that good decisions can be made based on reasonable expectations. No. 2, a clear and honest articulation of the priorities, and that can be difficult.

You know, sometimes it’s hard to balance priorities. We obviously want to live as long as possible with a good quality of life. But what if the choice is better quality of life with a shorter lifespan or a longer lifespan but more side effects? And that’s really hard to sort out for some folks. And in my experience as a physician in the trenches, I can also tell you that sometimes the goals of the patients and the goals of their loving spouses and families are a little different.

And trying to help us – as physicians, our primary responsibility is to address the patient’s goals, but we all know that what we really want for our patients is a consensus of all the people they love that are important to them so that everyone can be supportive and on the same team. Those differences can be really stressful.

So, another thing that I look for in my patients and try to help with is building a family and friend support network that’s aligned, that’s on the same team, really. And then really strong communication with the physician or the provider about how things are going, letting us know about side effects honestly, and many people do that, but some people are afraid to share side effects for fear that their treatment might be taken away. And that honest, straightforward communication is really important for the best decision-making. And then, you know, of course, knowledge about the treatments and understanding of what we’re talking about is helpful, but actually, to me, it’s not the most important thing.

Having read the detailed papers on docetaxel chemotherapy while helpful, is not as important as having a really clear understanding of one’s values and priorities and a candid assessment of one’s quality of life and the ability to share that with a physician. I can cover the technical medical stuff, but what I can’t do is guess what’s important to my patients.  

 

Could Genetic Mutations Impact Your Prostate Cancer Treatment Options?

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Could Genetic Mutations Impact Your Prostate Cancer Treatment Options? from Patient Empowerment Network on Vimeo.

Can prostate cancer treatment options be impacted by a patient’s genetic mutations? Expert Dr. Tomasz Beer defines precision oncology and explains how DNA repair and mutations can affect treatment options.

Dr. Tomasz Beer is Deputy Director at OHSU Knight Cancer Institute. Learn more here: https://www.ohsu.edu/people/tomasz-m-beer-md-facp.

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Transcript:

Katherine:

Are there genetic mutations that affect the choices for prostate cancer treatment?

Dr. Beer:                     

Increasingly so. So, this is an exciting era in terms of those kinds of approaches. You may have heard the term “precision oncology” or “personalized oncology.” The ideas behind precision oncology is that each individual patient’s tumor is analyzed in detail for their biologic differences, and for the most part, those are mutations; although, it can be other. And that treatments may be available that work particularly well for patients whose cancers have a particular mutation. And so, today, there are a couple of categories of treatments that are FDA-approved and that can be used in prostate cancer treatment if the right mutations are present.

And one of those is a class of drugs called PARP inhibitors and those are indicated in patients with advanced prostate cancer who received some of our most commonly used routine treatments and who harbor mutations in a series of genes that are responsible for DNA repair. BRCA-2 or BRCA-2 is the most common of those, and that may be a gene that is familiar to people because it’s also a significant gene in terms of conferring risk of breast and ovarian cancer.

So, that’s the same gene we’ve been thinking about for breast cancer is also important in prostate cancer. There are other DNA repair genes as well that may sensitize a cancer to PARP inhibitors. Another area is something called microsatellite instability, which is a measure of how mutation prone a cancer is.

And cancers that acquire a large number of mutations are more likely to respond to immune therapies. And one might ask why that is, and it’s an interesting question. We believe it’s because, as a large number of mutations accumulate, we see more and more abnormal proteins that are made from those mutated genes, and those abnormal proteins, some of them are different enough from our native proteins, to cause the immune system to recognize them. And when we have an immune system that actually recognizes our cancer as foreign, we’re often able to amplify that immune signal and turn it into a potent anticancer weapon.

So, those are the two categories of mutations that we use in the clinic today, DNA repair and this microsatellite instability, but others are coming as we develop more targeted, specific agents designed for people with specific cancers who have specific mutations.

Katherine:                  

Dr. Beer, why should prostate cancer patients ask their doctor about genetic testing?

Dr. Beer:                     

Well, there are a couple main reasons for that. One is, of course, to examine their cancer and determine if they’re eligible for one of these targeted therapies. If we find those mutations, those patients have an extra treatment available to them. They can still be treated with all the hormonal therapies, chemotherapy, radiation-based treatments, but in addition to those, they have an additional targeted option. And so, that’s a real advantage for those patients who harbor those mutations. So, that’s really reason number one reason, number two is to potentially protect their families.

So, if a germline mutation is identified, that mutation can be passed on to kids. It may also be in other family members, brothers and sisters, and potentially be passed onto their kids. Important to understand that these mutations, as I alluded to earlier, are not just prostate cancer mutations. They can be passed through the mother. They can predispose folks to bre  ast cancer. So, a germline mutation may be something the family would benefit from knowing about. It’s a complicated area, learning about inherited cancer mutation in the family, could be very stressful and frightening.

So, I wouldn’t say this lightly. I think it needs to be done within the context of genetic counseling and good advice about how to communicate things like that and what to do with them. We want to be able to help people reduce their risk of cancer without taking an emotional toll on multiple members of the family.

So, it’s important, and it’s also important to do it thoughtfully and carefully.  

 

                  

 

What Do Prostate Cancer Patients Need to Know About Genetic Testing?

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What Do Prostate Cancer Patients Need to Know About Genetic Testing? from Patient Empowerment Network on Vimeo.

 What should men with prostate cancer know about genetic testing? Expert Dr. Tomasz Beer explains inherited mutations versus cancer-specific mutations and discusses the roles they can play in the development of prostate cancer.

Dr. Tomasz Beer is Deputy Director at OHSU Knight Cancer Institute. Learn more here: https://www.ohsu.edu/people/tomasz-m-beer-md-facp.

See More From INSIST! Prostate Cancer

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Why Should You Ask Your Doctor About Prostate Cancer Genetic Testing?

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Prostate Cancer Treatment Decisions: How Do Genetic Test Results Impact Your Options?

Transcript:

Katherine:

Excellent. Let’s talk a bit about genetic testing and the role it plays in prostate cancer. I’d like to start by defining a few terms that are often confusing for patients. First of all, what is a somatic mutation?

Dr. Beer:                     

Well, so let’s first start with what is a mutation. So, we all have DNA that is the code of life in every cell in our body in the nucleus of the cell, and that is where all of the encoding for all the genes that then identify the proteins that make up our cells in our body exist. A mutation is a change in the sequence of that gene of that DNA, a missing letter, or a letter that’s been replaced by another letter, that can lead to a faulty protein being made. Sometimes, a mutation can cause a protein to be activated inappropriately.

Otherwise, we can see situations where the protein is silenced and inactive when it’s needed. So, those are mutations. Now, somatic mutations occur in a cancer. The person does not carry those mutations in their genome. They’re not passed along to their children or inherited from their parents. They happen in the cancer itself, and that’s the nature of cancer. Many cancers have a propensity to accumulate mutations, and so, a somatic mutation represents a cancer-specific mutation.

Katherine:                  

What then is the difference between somatic and a germline mutation?

Dr. Beer:                     

Yeah. So, germline is an inherited mutation. That is a mutation that is in the genetic code that that individual is born with, almost always inherited from their parents.

And I say almost always because in rare circumstances, a new mutation emerges in the fetus and becomes a germline mutation, but almost always this is a mutation that’s inherited.

And an important thing to understand about those is that because it’s in the germline, in the parent DNA, that mutation is present in every cell in the body of that human being, including the eggs and sperm, and that’s how it’s then transmitted to the next generation. Those germline mutations, they predispose people to cancer, can turn out to be deleterious and can lead to the development of cancer, typically when an additional mutation develops, and the two together team up to begin the process of cancer development.