Tag Archive for: bone marrow biopsies

How Can Bone Marrow Biopsies Be Used in AML Care?

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How Can Bone Marrow Biopsies Be Used in AML Care? from Patient Empowerment Network on Vimeo.

How do AML care providers use bone marrow biopsies in patient care? Expert Dr. Sara Taveras Alam from UTHealth Houston explains how the tests are used and shares patient advice for lifestyle and dietary precautions against infections.

[ACT]IVATION Tip

“…in terms of going out in the world, I would avoid for our AML patients to be in crowded spaces, and if they are going to be in crowded spaces to use a mask so that they’re protected from respiratory infection.”

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Transcript: 

Lisa Hatfield:

Dr. Taveras, can a bone marrow biopsy be used to monitor response to treatment in AML, and are there other tests to help monitor treatment and kind of a unique question, are there any specific dietary or lifestyle recommendations for patients undergoing a bone marrow biopsy or diagnosed with AML?

Dr. Sara Taveras Alam:

Well, the response to treatment in AML is measured with a bone marrow biopsy as the best test to assess response; however, we can have a clue into the response based on the blood test for the patient, so typically patients with acute myeloid leukemia will have anemia and thrombocytopenia, so low hemoglobin, low platelets and will likely be needing transfusions for this. 

Sometimes patients with acute myeloid leukemia will have an elevated white blood cell count or low white blood cell count. Ideally, if a patient has responded to treatment, we would see the hemoglobin and platelets improving and less transfusion requirements. They might not normalize that, they would usually improve if there is response to treatment, and similarly, when it comes to the white blood cells, if the patient has responded to treatment, ideally the white blood cell count should normalize and you should not be seeing any abnormal immature blood cells in the blood work, so we should not be seeing any blasts and ideally we would be having…I’m sorry, a good number of healthy white blood cells.

So that is a surrogate marker for the bone marrow biopsy to assess response, how is the patient doing? What symptoms are they having? What is their CBC or blood count looking like? Ultimately, the bone marrow biopsy is the best test, because then we look at the place where the blood cells are being born and confirm that the blast count has been eradicated, that we see no blasts or at least less than 5 percent, which would be what we call a morphologic remission, then we do deeper assessments by sending the tests about the karyotype or chromosomes that are driving the disease and the mutations that could be driving the disease.

Ideally, if the patient has a very good response, all of those should be gone, sometimes the mutations are still there, but we’re not seeing the deceased being active, and really the bone marrow biopsy will guide the treatment to see if we’re in the right trajectory, if we can continue whatever treatment the patient is on or if we need to switch gears and treat with a different regimen to get the disease back in control.

As it relates to specific dietary or lifestyle recommendations for patients undergoing bone marrow biopsies, I wouldn’t say that there are any specific recommendations for that. On occasion, if a patient is on a blood thinner, they may be asked to stop the blood thinner for the bone marrow biopsy. Of course, that depends on what the indication for the blood thinner is. But in terms of dietary lifestyle changes, I don’t think that any change is necessary.

In terms of patients overall going through acute myeloid leukemia in terms of lifestyle recommendations, it is recommended that the patient be extra careful with infections because they are at higher risk for infection and this may mean different things at different stages of treatment and may be guided by what blood counts are looking like, specifically the neutrophils, which are the healthy white blood cells that help protect us from infections.

So patients that are neutropenic, meaning have low neutrophil count are at really high risk of infections, and we recommend for them to avoid undercooked meat or raw seafood, for example, ceviche or sushi. Any meat should be well cooked and any vegetables have to be very clean, very washed, so that we eliminate the risk of infection.

Oftentimes, I tell my patients to stick to cooked vegetables rather than raw because, unfortunately, if there is some bacteria, then the risk for our patients is much higher than the general population. Additionally, in terms of going out in the world, I would avoid for our AML patients to be in crowded spaces, and if they are going to be in crowded spaces to use a mask so that they’re protected from respiratory infection.

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AML Diagnosis | Exploring Bone Marrow Biopsy and Alternatives

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AML Diagnosis | Exploring Bone Marrow Biopsy and Alternatives from Patient Empowerment Network on Vimeo.

What are the purpose and alternatives to bone marrow biopsy? Expert Dr. Sara Taveras Alam from UTHealth Houston explains what’s involved in bone marrow biopsy, what is analyzed, patient advice for the procedure, and alternative testing methods.

[ACT]IVATION Tip

“…ask the providers what to expect from the bone marrow in the facility where you are in. Usually in all facilities, lidocaine, or local anesthesia is used, but if you foresee that in general, you are anxious about procedures or susceptible to pain, you are welcome to request for some medications for pain and anxiety to help you get through that procedure, and generally, once patients have undergone a first bone marrow biopsy, they know what to expect and what accommodations may be needed for them in subsequent bone marrow biopsies.”

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Transcript: 

Lisa Hatfield:

Dr. Taveras, what specific features are pathologists looking for in the bone marrow sample when diagnosing AML, and are there any alternative diagnostic methods or tests available for AML besides a bone marrow biopsy?

Dr. Sara Taveras Alam:

And that is a great question. I think that many patients may be scared of what bone marrow biopsy entails. It is a procedure after all, and it can be painful. I do know that they’re able to get some details about the diagnosis from the peripheral blood just from blood tests alone; however, the best diagnosis is performed through the bone marrow biopsy, so it can provide more information about the email, than what we’re able to obtain from the blood, sometimes the blood count, the white blood cell counts are elevated in AML and that may make it easy to do some of our testing from the blood work, but in other patients, the white blood cells may be low at presentation and that can make it very difficult to obtain any meaningful diagnostic and prognostic information without a bone marrow biopsy.

The bone marrow biopsy would also allow to tell if the patient had a preceding blood disorder like a myeloid dysplasia and this may have treatment implications. This is not something that we would be able to tell from the blood alone unfortunately, so when our pathologists look at the bone marrow sample, they are looking at some of the blood that is obtained from that boom marrow space where the blood is produced, and a tiny piece of the bone from there as well, and they’re looking at the amount of cells, especially the normal red cells, the normal white blood cells, normal platelets, and specifically the abnormal white blood cells or blasts that are quantified in a percentage fashion to diagnose the AML.

There are also different types of blasts, so they may be able to sub-classify the AML from just looking at the morphology or how these cells look under the microscope. There are many ancillary tests that are performed on the sample as well to look into the genetics for the driving forces behind the acute myeloid leukemia.

We look at a chromosome analysis to see what the chromosomes are for the leukemia. We look at mutations during FISH testing, and we do molecular testing that are looking at specific point mutations that may be associated with AML and provide insight into the treatment options as well as the prognosis, the patient’s disease, and whether or not they may benefit from a stem cell transplant to increase the chances of maintaining a remission and obtaining a cure.

My advice for patients who may be anxious about the bone marrow biopsy would be to voice their concerns for their providers. I believe that different centers have different practices as it relates to pre-medication, so some places may provide anxiety medications and pain medications in advance of the procedure, but some other facilities may not. So my activation tip for this question is to ask the providers what to expect from the bone marrow in the facility where you are in.

Usually in all facilities, lidocaine, or local anesthesia is used, but if you foresee that in general, you are anxious about procedures or susceptible to pain, you are welcome to request for some medications for pain and anxiety to help you get through that procedure, and generally, once patients have undergone a first bone marrow biopsy, they know what to expect and what accommodations may be needed for them in subsequent bone marrow biopsies.

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A CLL Expert Addresses Common Clinical Trial Misconceptions

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A CLL Expert Addresses Common Clinical Trial Misconceptions from Patient Empowerment Network on Vimeo.

CLL patients and care partners often have misconceptions about clinical trials. CLL expert Dr. Adam Kittai addresses common patient questions and concerns about trials.

Dr. Adam Kittai is a hematologist and an assistant professor at the The Ohio State University Comprehensive Cancer Center – The James. Learn more about Dr. Kittai, here.

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Transcript:

Katherine:

Right. So, I’d like to walk through a few common questions that patients have about clinical trials. And here’s a concern we received from a patient prior to the webinar. “I’m nervous that I will receive a placebo if I join a clinical trial.” So, first of all, would you define a placebo? 

Dr. Kittai:

Sure. A placebo is usually a sugar pill or something that has no effect. That’s what a placebo is.  

Katherine:

And is it true then, would a patient possibly get a placebo in a CLL clinical trial? 

Dr. Kittai:

Not typically. So, in terms of clinical trials for CLL, we have a lot of treatments that are effective and safe in CLL. And so, we don’t typically design trials where you’re not getting some kind of active therapy. It would be extremely rare, and I don’t know of any trials currently that involve patients getting a placebo for CLL. Because it wouldn’t be ethical for us to enroll a patient on a trial where they would get a placebo instead of active therapy. 

Katherine:

Here’s another question from an audience member, and I think this is probably a common concern for patients. “Is a clinical trial only something I should consider if there are no other options?” 

Dr. Kittai:

So, in my opinion, you should always consider a clinical trial, even if there are other options. And it’s because of those two reasons that I mentioned earlier. Number one, it benefits the CLL community as a whole to participate in the trial so that way doctors and researchers can collect data to improve outcomes for patients with CLL. And also, even though our drugs currently work really well, we don’t know how well they’ll last for, right? So, they still don’t know for certain how long our current drugs are going to work for in the future.  

And we’re always trying to do better. We’re always trying to create some sort of treatment, some sort of treatment paradigm that might be safer, as well as work better, and either of those goals is approvable. All of our drugs come with toxicity, right? And even though they’re really safe and they work really well, we’re hoping to develop something that is even safer and works even better.  

Katherine:

Yeah. It sounds, then, like trials can be considered throughout a patient’s life with CLL. What concerns do you hear from your patients?  

Dr. Kittai:

Yeah, so I think the primary concern I hear about a trial and the difference between going on a trial and standard of care, is that typically for a trial, it does require a little bit more from the patient. Meaning that there’s usually more visits – whether it is to monitor the effect of the new medication or new medication combination on the patient, whether or not it’s affecting their laboratory values or how they’re feeling.  

Or there might be parts of the trial that require invasive procedures. So, for instance, many trials will require bone marrow biopsies where a standard of care won’t. And the reason why the collection of those bone marrow biopsies is important for the trial is to better get an idea of how the treatment is working on a patient’s body.  

So, I think those are the two primary concerns I hear from the patient. Number one, it typically is a bigger time commitment with more visits to the doctor because we have to closely monitor the patients while they’re on trial. And number two is sometimes the trial involves procedures that otherwise wouldn’t be indicated for standard of care.  

How Is AML Treatment Effectiveness Monitored?

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How Is AML Treatment Effectiveness Monitored? from Patient Empowerment Network on Vimeo.

How can acute myeloid leukemia (AML) treatment effectiveness be monitored over time? Expert Dr. Ellen Ritchie explains when testing is typically done following AML treatment, which methods are used for monitoring, and when retesting may be appropriate.

Dr. Ellen K. Ritchie is assistant professor of medicine and a member of the Leukemia Program at the Weill Cornell Medical College of Cornell University and the New York Presbyterian Hospital. More about Dr. Ritchie, here.

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Transcript:

Katherine:

Once a patient has begun treatment, how do you monitor whether it’s working?

Dr. Ritchie:

So, one of the more frustrating things about being an AML patient, is you don’t know right off the bat whether or not that you have gone into remission. So, what happens is you receive the chemotherapy, and the day you start chemotherapy is really day one. And somewhere around day 14, you’re at your lowest point. So, your blood counts are low, and you often feel really terrible, and you really wonder, is this working? But unfortunately, I can’t really tell you. Some institutions do bone marrow biopsies if you have intensive chemotherapy on day 14, or if you’re getting venetoclax (Venclexta) therapy somewhere around day 21 to look and see whether they still see leukemia cells, but the utility of that is different per institution.

The real test of whether chemotherapy x, is at the end of about 28-35 days, are your blood counts coming up, and are you making normal blood cells. Are you making platelets, which are the part of the blood that clots the blood? Or are you making neutrophils, which are the important cells needed to help you fight infection. So, the real proof of a remission, is are your platelets over 100,000? Is your neutrophil count over 1,000? And when we look in the bone marrow around that time, do we see normal cells developing and no leukemia?

Katherine:

How often should testing take place? And should patients be retested over time?

Dr. Ritchie:

So, the bone marrow biopsy is done frequently once you have a diagnosis of acute leukemia. So certainly, it’s done upon diagnosis of the disease.

And as I mentioned earlier in certain institutions, about halfway through your chemotherapy cycle, they’ll do a bone marrow biopsy to see whether or not they see any residual leukemia cells. That’s not done everywhere, and it’s done differently depending upon institutions sometimes. At the end of the chemotherapy treatment, if you recover your blood counts, we do a bone marrow biopsy to confirm a remission. If by day 35, we haven’t seen that your blood counts are recovering, we may do a bone marrow biopsy to see whether or not we see leukemia cells in there, or early recovery. So, you’re definitely going to have bone marrows at those time points. If you’ve gone into remission, it depends on what we’d do next as to when you would have another bone marrow biopsy. So, if you’re going to bone marrow transplant you may have one more biopsy, just prior to going into transplant, and another biopsy at the end of the first month after transplant.

If you’re going to have what we call ongoing therapy, roughly every three or four months, we may do a bone marrow biopsy to determine whether or not the remission is holding. If during ongoing therapy, we see that there is blood count abnormalities that we weren’t expecting, that might be a reason that we would do a bone marrow biopsy. And that’s unpredictable as to when that would be.