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Is MGUS More Prevalent in BIPOC Communities?

Is MGUS More Prevalent in BIPOC Communities? from Patient Empowerment Network on Vimeo

Does the multiple myeloma precursor of monoclonal gammopathy of undetermined significance (MGUS) occur more frequently in minority (BIPOC) patients? Expert Dr. Sarah Holstein from the University of Nebraska Medical Center shares information that myeloma studies are researching on Black, Indigenous, and People of Color patients and how to improve myeloma awareness and care.

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Transcript:

Dr. Sarah Holstein:

:  When we look at data sources like the SEER (The Surveillance Epidemiology, and End Results) data source, it’s not necessarily so granular that we can always distinguish whether the population is Black/Hispanic, Black/non-Hispanic, but really where I’ve seen the increased risk is whenever there are population-based studies and they describe the population at least in the U.S. as Black. I will admit I don’t know the details as to further sub-division amongst the category of Black and whether or not it’s appropriate to use the term BIPOC in this setting with respect to why do Black Americans have higher risk of plasma cell disorders than white Americans? I think that’s still a question that we can’t completely answer. There are a lot of really good research teams in this country and really worldwide that are trying to understand the different genetic-based risks, and it’s clear based on some studies that there’s some differential with respect to for example, what the frequency is of particular genetic abnormalities that happen in the plasma cells as they go from normal to abnormal. So, one example that I’ve seen is a higher frequency of translocation 11;14 in patients who are Black compared to patients who are white, but ultimately, I don’t think there’s an easy, easily understood answer to that very complex question right now with respect to why the risk is two to three-fold higher in Black individuals compared to white individuals. 

And then that’s a little bit of a separate—I mean it’s related, but in some ways, and that’s somewhat separate from the issue of when Black individuals actually get diagnosed with myeloma, whether that’s at a more advanced state of the disease than in white people that I think is a little bit more dependent on access to care as well, as knowledge of the disease. I would say that in general, myeloma is not a cancer that most Americans are actually that familiar with, and that’s regardless of white, Black, race or ethnicity, it’s still a relatively rare cancer and most people have never heard of it and don’t know other people who’ve had it. But I think what is key in the Black community is to really increase awareness of not only myeloma, but the precursor condition MGUS just like there have been enormous efforts to increase awareness of the risks of high blood pressure and diabetes, and how that can affect health later on, there’s also… I think sometimes a decreased frequency of access to primary care, sometimes myeloma is picked up just because of routine blood work, and that can be done sometimes on an annual basis by a primary care provider. And if individuals aren’t getting their annual physical and annual labs drawn, then by the time myeloma presents itself, sometimes it’s at the point where it’s presenting, because bad things have happened, like bones are breaking, or patients are very anemic, or there are serious infections, etcetera, as opposed to being found in a more asymptomatic stage when abnormalities such as high protein levels in the blood are noted that patients are otherwise feeling well. So I think you raise some really excellent questions, and I think there’s a lot of room for improvement in this country for not only improving the research so that we understand what the genetic bases are for developing plasma cell disorders, but also increasing education throughout this country, but specifically in the Black population, and then making sure that everybody has access to care.

What Standard Testing Follows a Myeloma Diagnosis?

What Standard Testing Follows a Myeloma Diagnosis? from Patient Empowerment Network on Vimeo

What tests will you have following a myeloma diagnosis? Are there additional tests you should request? Dr. Joshua Richter provides an overview of key testing for myeloma and why each test is necessary.

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 standard testing follows a myeloma diagnosis?

Dr. Richter:

So, the standard testing that follows a myeloma diagnosis is multifaceted. So, the first one is blood work. And we draw a lot of blood tests to look at the bad protein that the cancer cells make. So, we send tests like a protein electrophoresis which tells us how high that bad protein is. We send immunofixation. That test tells us what type of bad protein it is. You’ll hear names like IgG kappa and IgA lambda.

These are the different types of bad proteins made by myeloma cells. Oftentimes, we’ll send urine tests to find out how much of that bad protein that was in the blood is coming out in the urine. We will, typically, do a bone marrow biopsy. It’s a test where we put a needle into the back of the hip bone to look at the marrow itself. And we’ll use that marrow to figure out how much myeloma there is, any other characteristics like the genetic changes in those cells.

The other big thing is imaging. So, the classic imaging that we do with myeloma is something called a skeletal survey. It’s, basically, a listing of X-rays from head to toe. But nowadays, we have newer techniques, things like whole body low-dose CAT scans, something called a PET-CT scan, and MRI scans. And your care team may have to figure out which one is right for you at what given time.

Katherine:

Mm-hmm. Are there additional tests that patients should ask for?

Dr. Richter:

Absolutely. One of the most important things from myeloma has to do with the genetic risk stratification.

So, for almost all cancers, the staging has a very big impact. And people will often think of cancer in stages I, II, III, and IV, and they’re managed very differently depending upon what stage it is. Myeloma has three stages, stage I, II, and III. But the most important thing is, actually, beyond the staging is what’s called the cytogenetics risk stratification. So, it’s really important when the bone marrow is sent to be sure that it is sent for, kind of, advanced techniques. Because you really want that snapshot of exactly what the genetic profile is, because that gives us information of A) how to treat, and B) prognostic, you know, who will tend to do better or worse based on this information. And even though that may not tell us which drugs to use, specifically, it may say, should we do something like a transplant or not? Should we consider a clinical trial early or not?

Katherine:

I see. How do test results affect treatment choices?

Dr. Richter:

So, test results can affect treatment choices in a number of ways. Probably, the most common one is thinking about the routine blood tests like your CBC or complete blood count and your chemistry, which looks at things like your kidney function. Some drugs tend to have more toxicity to the blood counts. So, if your blood counts are very low, we may choose drugs that don’t lower the blood counts very much.

Kidney function which we, usually, measure by something called the creatinine. Creatinine is made by the muscles and cleared out by the kidneys. So, if your kidneys aren’t working very well, you don’t pee out creatinine, and that creatinine level will rise in the blood. If your creatinine level is high, we may choose certain drugs that don’t affect the kidneys or not metabolized or broken down by the kidneys.

The genetic studies that we use – we’re not quite at this base yet where we can say, if you have this genetic abnormality in your myeloma, we should use this drug except there’s some really great data on the cutting edge about a drug called venetoclax.

Venetoclax is a pill that’s used to treat other diseases like lymphoma and leukemia. And it turns out that people who have what’s called a translocation (11:14) which means part of the 11th chromosome and part of the 14th chromosome in the cancer cells swap material.

Those people respond amazingly well to venetoclax. So, we’re starting to have what we would call precision medicine where we find your genetic abnormalities, not that you got from your parents or passed to your kids, but the genetics inside the tumor cells to tell us which treatments will work best for you.