AML Treatments and Clinical Trials

When it comes to treatment, AML patients and their care partners have much to consider. There are often many options available, each with advantages and disadvantages. Some people may seek clinical trials, others may have few feasible options. Understanding treatment options, goals, and what to expect are vital to achieving the best possible outcome for you.

More resources for AML Treatments and Clinical Trials from Patient Empowerment Network.

What Does Transfusion Burden Mean in Acute Myeloid Leukemia?

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What Does Transfusion Burden Mean in Acute Myeloid Leukemia? from Patient Empowerment Network on Vimeo.

What do acute myeloid leukemia (AML) patients need to know about transfusion burden? Dr. Catherine Lai from Penn Medicine explains transfusion burden for AML patients. Learn about the range of transfusion burden and advice from an expert. 

[ACT]IVATION TIP from Dr. Lai: “Discuss how frequently transfusions are needed and how long you may be able to go without needing a blood or platelet transfusion with your physician.“

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Related Resources:

What Is MRD-Positive Acute Myeloid Leukemia

What Is MRD-Positive Acute Myeloid Leukemia?

 The Importance of the FLT3 Mutation In AML

The Importance of the FLT3 Mutation In AML

 A Look at Treatment Strategies for High-Risk AML Patients

A Look at Treatment Strategies for High-Risk AML Patients

Transcript: 

Art:

Dr. Lai, what does transfusion burden mean in AML?

Dr. Catherine Lai:

Yeah, so transfusion burden is the amount of either patients’ blood that you have to receive and or platelets that you have to receive.

So when we say that somebody is transfusion-dependent, that means that they on their weekly blood checks or having to receive transfusions multiple times, whether it be twice a week or once a week, but somebody who cannot make enough blood and our platelets on their own to stay within a safe range and that they need to receive transfusions. 

Typically. now, this is again specific for an individual patient, but in general, most centers use parameters such as the hemoglobin less than 7, in which they get transfused red blood cells and a platelet count less than 10,000 for platelet counts, assuming that patients are feeling well and are healthy and they’re not bleeding.

So here the activation tip would be to discuss how frequently transfusions are needed and how long you may be able to go without needing a blood or platelet transfusion with your physician.  

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Assessing Untreated AML Patients Who Are Ineligible for Intensive Chemotherapy

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Assessing Untreated AML Patients Who Are Ineligible for Intensive Chemotherapy from Patient Empowerment Network on Vimeo.

How are acute myeloid leukemia (AML) patients assessed for intensive chemotherapy? Dr. Catherine Lai from Penn Medicine explains eligibility criteria. Learn factors that impact patient eligibility and treatment options for AML patients who are categorized as ineligible for intensive chemotherapy.

[ACT]IVATION TIP from Dr. Lai: “Talk with your physician about how they will determine whether or not you are fit or unfit for intensive chemotherapy.“

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Related Resources:

What AML Treatment Options Are Available for MRD-Positive Patients

What AML Treatment Options Are Available for MRD-Positive Patients?

 AML Treatment Approaches Expand for Older and High-Risk Patients

 What Does Triplet Therapy in AML Mean for the Future (2)

What Does Triplet Therapy in AML Mean for the Future?

Transcript: 

Art:

Okay, Dr. Lai, what are we learning about patients with untreated AML who are ineligible for intensive chemotherapy?

Dr. Catherine Lai:

To define ineligible for intensive chemotherapy, I think that that is a moving target because historically, we would define patients as eligible for intensive or less intensive chemotherapy based on an age cut-off. And as the population is becoming more fit and is also getting older, what I would like to say is that we should use physiologic age, not chronologic age to determine who is eligible for intensive chemotherapy, and that is…in terms of how that is assessed, that is not uniformly done. 

But, in general, it takes into account how active a patient is and what they’re able to do on a day-to-day basis, so mostly their physical function, we also take into consideration their cognitive function as well, but to a lesser extent.

So, for patients who are ineligible for intensive chemotherapy, the standard practice would be the combination of azacitidine (Onureg or Vidaza) or decitabine (Dacogen), both of which are hypomethylating agents in combination with venetoclax (Venclexta), and that combination has really changed the landscape in terms of how we treat patients, it can be given as an outpatient, so it’s much better tolerated and has fewer side effects compared to intensive chemotherapy.

So the activation tip here is to talk with your physician about how they will determine whether or not you are fit or unfit for intensive chemotherapy. 

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What AML Treatment Options Are Available for MRD-Positive Patients?

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What AML Treatment Options Are Available for MRD-Positive Patients? from Patient Empowerment Network on Vimeo.

For acute myeloid leukemia (AML) patients who are MRD-positive, what treatment options are available? Dr. Catherine Lai from Penn Medicine discusses MRD-positive concerns. Learn about recent guideline updates for MRD-positive and genetically adverse patients and key questions to ask your care provider. 

[ACT]IVATION TIP from Dr. Lai: “For genetically adverse risk, it would be to have a conversation about whether or not you should be going to transplant. And for MRD-positive patients, I would say is to ask about how frequently my testing should be done to monitor for MRD, MRD-positive disease.“

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Related Resources:

What Is MRD-Positive Acute Myeloid Leukemia

What Is MRD-Positive Acute Myeloid Leukemia?

A Look at Ongoing Acute Myeloid Leukemia Phase III Trials

 What Are the Latest Acute Myeloid Leukemia Therapies

What Are the Latest Acute Myeloid Leukemia Therapies?

Transcript: 

Art:

Okay, Dr. Lai, what treatment strategies are available for genetically adverse risk patients, as well as measurable residual disease or MRD-positive AML patients?

Dr. Catherine Lai:

Yeah, so I’ll take those two separately. So for the genetically adverse patients, and so just also as an update in 2020, in the summer of 2022, both the World Health Organization and the European Leukemia Network, they both updated their guidelines. So it’s called WHO 2022 and ELN 2022 in terms of how we help prognostic and risk-stratify our patients.

And so for the ELN 2022, there are a handful of additional mutations that do put patients at adverse risk, and so it would be good just to know to bring up with your physician, which in risk category am I in? 

And so in general, for the adverse risk patients, the long-term goal is bone marrow transplant once in complete remission. And so I would say that the initial treatment hasn’t really changed, but we are recommending more patients for transplant because there are a larger number of patients who are now in that adverse risk category.

For the MRD-positive patients, there are clinical trials that are targeted, are enrolling specifically for MRD-positive patients for the most part, once you’re in complete remission, if you’re MRD-positive, you just would continue on your current therapy. And for some patients who continue their current therapy that MRD, that MRD will eventually go away.

If they are done with therapy, it would be something that you would want to monitor very closely, and at the site at the time at which that that MRD is growing, you would want to consider re-initiating treatment, although that is not standard, so it’s a very tailored and individual discussion with your physician.

So, I say, in general, the activation tips for genetically adverse risk, it would be to have a conversation about whether or not you should be going to transplant. And for MRD-positive patients, I would say is to ask about how frequently my testing should be done to monitor for MRD, MRD-positive disease. 

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What Is MRD-Positive Acute Myeloid Leukemia?

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What Is MRD-Positive Acute Myeloid Leukemia? from Patient Empowerment Network on Vimeo.

What do acute myeloid leukemia (AML) patients need to know about MRD-positive AML? Dr. Catherine Lai from Penn Medicine discusses minimal residual disease (MRD). Learn about the meaning of MRD, complete remission, and MRD testing methods.

[ACT]IVATION TIP from Dr. Lai: “Ask if MRD testing can be done on your bone marrow biopsy at the time at which you or after you’ve had your chemotherapy.” 

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Related Resources:

What AML Treatment Options Are Available for MRD-Positive Patients

What AML Treatment Options Are Available for MRD-Positive Patients?

 Assessing Untreated AML Patients Who Are Ineligible for Intensive Chemotherapy

 AML Clinical Trials Critical to Treatment Breakthroughs and Improvements

AML Clinical Trials Critical to Treatment Breakthroughs and Improvements

Transcript: 

Art:

Dr. Lai, what is MRD-positive AML?

Dr. Catherine Lai:

So, that’s a really good question. And to answer that question, I’m going to actually answer a different question, which is, What is the definition of complete remission? So the definition of complete remission is when we do a bone marrow biopsy, and we have less than 5 percent of those blasts or leukemia cells in the bone marrow, and that is also in the setting of a relatively normal immune system or normal other blood counts have improved, so that your neutrophil count is above 1,000, and your platelet count is above 100,000. So, MRD, which stands for measurable residual disease, means that you’re in complete remission, so you have less than 5 percent blasts, but you’re more than zero.

And we, in general, when patients who are MRD-positive, we know that if you were to do nothing, that those patients have a high likelihood of relapse. We know for the patients who are going to transplant, if you’re MRD-positive before transplant, those patients also have a higher likelihood of relapsing after transplant. And so we tend to monitor it if possible…the tricky thing is, is that there is not a standard way to measure MRD testing as of yet, the common approaches are right now are with either flow cytometry or with PCR or next-generation sequencing, if you have a particular targeted mutation that we can follow.

So your activation from that standpoint is to ask if MRD testing can be done on your bone marrow biopsy at the time at which you or after you’ve had your chemotherapy. 

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What Is FLT3-Mutated Acute Myeloid Leukemia?

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What Is FLT3-Mutated Acute Myeloid Leukemia? from Patient Empowerment Network on Vimeo.

Some acute myeloid leukemia (AML) patients may have an FLT3 mutation. Dr. Catherine Lai from Penn Medicine shares insight about the two types of FLT3 mutation, treatment options for FLT3-mutated AML, and progress in research

[ACT]IVATION TIP from Dr. Lai: “Ask your oncologist, if your FLT3 mutation testing was done, ask which type of mutation they have, if it’s the ITD or TKD, if they are FLT3-positive and what the drug options are available for them.”

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The Importance of the FLT3 Mutation In AML

The Importance of the FLT3 Mutation In AML

 Challenges in Treating TP53-Mutated AML, Hope on the Horizon

 BIPOC Patients Living With AML _ Mortality Rate and Favorable Genetics

BIPOC Patients Living with AML | Mortality Rate and Favorable Genetics

Transcript: 

Art: 

Dr. Lai, what is FLT3 mutated AML and what treatment options do patients with FLT3 AML have?

Dr. Catherine Lai: 

Yeah, so FLT3, FLT3 mutations occur in about 25 percent to 30 percent of patients. There are two different types of FLT3 mutations. There’s a FLT3, the ITD mutation and the FLT3, the TKD mutation. They just are there, different parts of the mutation on different parts of the cell, and so how I think about that is, if you think of a leukemia cell and each leukemias has a different color-coded flag, and so the FLT3 mutation I think of is just having a specific color coding, and while a FLT3 mutation in general does predict for a worse prognosis for patients, we do have targeted treatments. In a newly diagnosed setting, we have midostaurin (Rydapt), which is added to intensive chemotherapy for those fit enough to tolerate it. 

And in the relapsed refractory setting, we have a medication called gilteritinib (Xospata), which is given as a single agent, so a chemo pill, and that was compared to all types of chemotherapy, both intensive and low intensive chemotherapy, and that pill alone and the refractory and relapsed setting was better than either of the chemotherapies alone, so we’ve made a lot of progress for the FLT3-mutated patients to the majority of those patients end up going to transplant if possible, and so there are studies that are looking at FLT3 inhibitors in the post-transplant setting to also help improve long-term survival and overall survival. So the activation tip from that standpoint, that is to ask your oncologist, if your FLT3 mutation testing was done, ask which type of mutation they have, if it’s the ITD or TKD, if they are FLT3-positive and what the drug options are available for them. 

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What Are the Latest Acute Myeloid Leukemia Therapies?

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What Are the Latest Acute Myeloid Leukemia Therapies? from Patient Empowerment Network on Vimeo.

What are the latest treatments in acute myeloid leukemia (AML)? Dr. Catherine Lai from Penn Medicine discusses the increase in available AML treatments. Learn about combination therapies and treatment options for patients with IDH1, IDH2, and FLT3 mutations.

[ACT]IVATION TIP from Dr. Lai: “Ask your physician and your oncologist when you’re talking with them about what all the newest therapies are and what would be specifically the best treatment for their specific leukemia with respect to the different mutations.”

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How Can We Address Disparities in AML Among Diverse Populations

How Can We Address Disparities in AML Among Diverse Populations?

 What Are the ASH 2022 Takeaways for AML Patients

 What Promising AML Treatments Are Available for Newly Diagnosed Patients

What Promising AML Treatments Are Available for Newly Diagnosed Patients?

Transcript: 

Art:

Dr. Lai, for newly diagnosed AML patients, what are the latest available therapies?

Dr. Catherine Lai:

That’s a great question. The last, I would say, a handful of years have really seen a dramatic increase in the number of new treatment options for AML patients, specifically since 2017, the FDA has approved 10 new drugs for AML, that’s both for patients who are newly diagnosed and in the relapsed refractory setting.

And so what I would say is that we break our patients into two different categories in terms of being able to tolerate intensive chemotherapy versus non-intensive chemotherapy, and as well as looking at specifically targeted mutations that patients may have so that we can better understand the disease but also treat these patients more specifically to try to maximize efficacy while minimizing toxicity. 

And so specifically, I would say for patients who have FLT3 mutations, there are drugs such as midostaurin (Rydapt) and gilteritinib (Xospata), there are drugs for mutations in IDH1 and IDH2, enasidenib (Idhifa) and ivosidenib (Tibsovo) and recently, or in December of  2022, olutasidenib (Rezlidhia) was also approved for IDH1-mutated patients as well.

We have a general targeted agent that’s an oral chemotherapy that probably has made the biggest difference in how we treat patients called venetoclax (Venclexta), and that’s used in combination with azacitidine (Onureg) or decitabine (Dacogen), or low dose cytarabine (Cytosar).

Although most commonly in the United States, we use azacitidine or decitabine in combination with the venetoclax, and that I think is really what I’d say has been practice changing for the most part, in terms of both increasing the complete remission rates as well as the overall survival for these patients. So I would say there are a lot of new drugs. It is all very exciting.

The biggest activation tip in terms of takeaways is to ask your physician and your oncologist when you’re talking with them about what all the newest therapies are and what would be specifically the best treatment for their specific leukemia with respect to the different mutations.

Art:

Okay. Dr. Lai, what are the latest approaches to combination chemotherapy to treat AML?

Dr. Catherine Lai:

So, the latest approaches for combination chemotherapy would be in the combination of a hypomethylating agent, azacitidine or decitabine in combination with venetoclax. This is the most practice-changing combination that has been approved since 2017 to 2018, and now more recently, what’s been happening is now looking, so we call that a doublet, and now it’s been looking at…what we’ve been studying is now whether or not triplets are more effective, when we do have triple combinations, we do see an increase in toxicity and so on, we haven’t come up with the right algorithm in terms of what that exact formula should be, but often I think about it in kind of a three-fold in terms of wins the right time, what’s the right combination, and how do we see in the drugs, and I think the sequencing is the biggest thing that we don’t yet know, and how do we combine the two different..two different drugs in a way, and how do we give them in a way that will maximize efficacy, will minimize the toxicity, so as an example is, Do we give two drugs for a specific period of time, and then after some determined time point, do we…

And change it to a different set of combination of drugs to make sure that patients are getting the most benefit of the drugs, and we don’t know that yet, but I think that that’s where the general direction…where the landscape is heading, so the activation tip I would take home from this is just to have a conversation with your physician about potential clinical trials and how combination therapies are being used. 

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Quizartinib in FLT3-ITD-Positive AML

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Introduction 

I generally think of treatments for AML as old, meaning they were around when I was diagnosed in 1992, or new ones that were developed after that. In the first 25 or so years since I was diagnosed, there were very few new treatments. In the last 5-7 years, however, there have been several new treatments. There are targeted treatments like, Ivosidenib (which I wrote about in November: Ivosidenib and Azacitidine for IDH1-Mutated AML) as well as Ventoclax which is used with a number of different drugs (Azacitidine, Decitibine and low dose Ara C). This post is about a new (to the U.S. anyway) drug, Quizartinib, which is used in AML patients who have a specific mutation FLT3 (fms-like tyrosine kinase 3), specifically a FLT3-ITD (internal tandem duplication) mutation. 

Overview of FLT-3 

There are two different mutations in the FLT3 gene, ITD and tyrosine kinase domain mutations (TKD). The most common mutation in AML is in the FLT3 gene. About 30% of AML patients have an FlT3 mutation, with FLT3-ITD mutations more common than FLT3-TKD ones. Some of the existing drugs for FLT3 mutations treat both. Midostaurin (Rydapt) and Gilteritinib (Xospata) are used in patients with either FLT3 mutation. Quizartinib is only used to treat patients with a FLT3-ITD mutation. 

Current Study of Quizartinib 

The current study, the results of which were presented at the 2022 European Hematology Association (EHA) Annual Meeting in Vienna, tested standard chemotherapy with Quizartinib or with a placebo, followed by maintenance with Quizartinib or placebo for 3 years. More than 500 patients with a FLT3-ITD mutation were treated in the trial. Quizartinib or a placebo were added to the “7+3” standard induction therapy, which consists of 7 days of cytarabine (Ara-C) plus 3 days of daunorubicin or idarubicin. Patients who were in remission after induction either went on to up to 4 rounds of high dose cytarabine consolidation with Quizartinib or placebo and/or an allogeneic (donor) stem cell transplant, followed by up to 3 years of maintenance therapy with Quizartinib or placebo. 

The patients who received Quizartinib had a median overall survival of more than double the patients who received the placebo. Almost all patients in both arms experienced side effects of the treatment (emergent adverse events or AEs). This is not a surprise, most patients treated for AML have significant side effects. Patients who received Quizartinib had more side effects, in particular there was a higher incidence of significant neutropenia (low white counts) and more patients who received Quizartinib discontinued treatment because of adverse events. There were 56 treatment related deaths in the trial, somewhat more in those who received Quizartinib. 

Quizartinib looks like a promising treatment for FLT3-ITD AML patients. I believe that this is the only randomized (Phase III) trial that has been completed of a drug that treats mutations in the FLT-3 gene along with standard chemotherapy. It will be interesting to see how it compares to other drugs for patients with FLT-3 mutations. On the downside, it is only used for FLT3-ITD mutations, unlike Midostaurin and Gilteritinib. 

Further Reading 

Quizartinib Doubles Overall Survival in FLT3-ITD-Positive AML, article from Medscape on the trial of Quizartinib and Chemotherapy, June 13, 2022. 

Quizartinib Prolonged Survival VS Placebo Plus Intensive Induction and Consolidation Therapy Followed by Single-Agent Continuation in Patients Aged 18-75 Years With Newly Diagnosed FLT3-ITD+ AML, from 2022 European Hematology Association (EHA) Annual Meeting in Vienna. 

Daiichi Sankyo’s survival data mean it may finally be ready to compete with Novartis’, Astellas’ marketed AML meds, an article from Fierce Biotech, which covers the biotechnology industry. 

Xospata FDA Approval History, from Drugs.com, gives a history of the FDA approval of Xospata (gilteritinib). 

Overcoming Resistance: FLT3 Inhibitors Past, Present, Future and the Challenge of Cure, Capelli, D.; Menotti, D.; Fiorentini, A.; Saraceni, F.; Olivieri, A. Cancers 2022, 14, 4315. A long journal article on treating FLT-3 AML (I have not read all of it). 

FLT3 Inhibitor Quizartinib Improves Survival in AML reports on an older study showing patients with relapsed/refractory FLT3-ITD-positive AML have improved survival with Quizartinib, given as a single agent compared with standard-of-care chemotherapy. Medscape, July 02, 2018. 

INSIST! on Better AML Care Resource Guide

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Does Maintenance Therapy Have a Role in AML Care?

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Does Maintenance Therapy Have a Role in AML Care? from Patient Empowerment Network on Vimeo.

Acute myeloid leukemia (AML) expert Dr. Farhad Ravandi-Kashani discusses the role of new and developing maintenance therapies that may improve remission and how this treatment phase may fit into the future of AML care.

Dr. Farhad Ravandi-Kashani is professor of medicine and Chief of the Section of Developmental Therapeutics in the Department of Leukemia at The University of Texas MD Anderson Cancer Center in Houston, TX. Learn more about Dr. Ravandi-Kashani.

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How Does the Presence of Molecular Markers Affect AML Care

 Diagnosing and Treating AML_ What Testing Is Essential

 Advances in AML Research _ Where Do Clinical Trials Fit In

Transcript:

Laura Beth:

Dr. Ravandi, does maintenance therapy have a role in AML?  

Dr. Ravandi:

Maintenance therapy is something that has been used in other leukemias for a long time, and other types of cancer, particularly in ontological cancers. In AML, it hasn’t been normal practice, traditionally, mainly because in AML, we haven’t had many good relatively nontoxic, easily taken drugs.  

So, about 30 years ago, some groups, for example, a German group actually tried to do maintenance with cycles of chemotherapy, and you can imagine if a patient is in remission, and somebody says to you, “I’m going to give you cycles of chemotherapy for the next three years,” most patients wouldn’t take it because they say, “Well, you know, maybe I have three years to live. I want to go to Bahamas and be on the beach rather than getting cycles of chemotherapy.” But over the last several years, in a number of effective, highly effective oral agents that have been developed, and one specific agent that has been developed for maintenance. Now, this specific agent is not curative, as it’s not that if you take it, you will live forever.  

But it does improve survival, and it’s relatively well-tolerated. And there are other clinical trials of maintenance. Agents are being developed, and I think it’s a very important area in AML. And I think in the next several years, it will actually become common practice to do maintenance regimens.  

Laura Beth:

That’s good news. So, once an AML patient is in remission how are they monitored? 

Dr. Ravandi:

So, I mean, I usually tell my patients that once you’re in remission, you’re in remission until something goes wrong with your blood counts. So, in my opinion, it’s not important to do – definitely not important to do weekly blood counts, for example.  

Depending on patient’s anxiety levels and comfort, we do check their labs maybe once a month, once every two or three months, depending on how far they are from their remission. And in my opinion, routine bone marrows are not necessary during remission, unless the patient is a part of a clinical trial that they have accepted to participated in, because we do get a lot of information by doing those bone marrows. So, some studies have follow-up bone marrows, but that’s really as a part of a clinical trial and to help further the knowledge in therapy.  

Advances in AML Research | Where Do Clinical Trials Fit In?

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Advances in AML Research | Where Do Clinical Trials Fit In? from Patient Empowerment Network on Vimeo.

How do clinical trials advance acute myeloid leukemia (AML) research? Dr. Farhad Ravandi-Kashani discusses newer AML treatments that have changed the landscape of care and how patient trial participation moves research forward.

Dr. Farhad Ravandi-Kashani is professor of medicine and Chief of the Section of Developmental Therapeutics in the Department of Leukemia at The University of Texas MD Anderson Cancer Center in Houston, TX. Learn more about Dr. Ravandi-Kashani.

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Related Resources:

How Does the Presence of Molecular Markers Affect AML Care

 Diagnosing and Treating AML_ What Testing Is Essential

 Does Maintenance Therapy Have a Role in AML Care

Transcript:

Laura Beth:

When it comes to AML research and emerging treatment options, what are you excited about right now?  

Dr. Ravandi:

Well, I think one of the biggest, I would call, revolutionary changes in AML was the introduction of venetoclax (Venclexta), because AML is a disease of the older population.  

The median age is about 68, which means half of the patients are older than 68, and among the other half, majority are older than 55. And when you go beyond 60, 65, traditional chemotherapy is not well-tolerated. But the introduction of venetoclax plus azacitidine (Onureg) or decitabine (Dacogen), depending on the center, has really completely changed the management of older AML patients from a situation that it was dismal treatment to a situation that’s still not great, but it’s a lot better, as in we don’t cure the majority, but many people have a tolerable therapy and live with their disease for several months if not several years.  

And personally, I have treated a 97-year-old patient, and she did well for three years, so. Because of this drug, age is no longer as frightening as it used to be for advanced age. 

Laura Beth:

So, where do clinical trials fit in when it comes to choosing treatment?   

Dr. Ravandi:

So, the best drugs that we have available now, the venetoclax that I mentioned and all the other drugs that I mentioned, targeted drugs, came from clinical trials.  

If we don’t do clinical trials, we would be still doing the same treatments that we were doing in the 1970s and ‘80s.  

In fact, up until about seven or eight years ago, many places were still doing the same treatments that was developed in 1970s, which in the era of computers, and Apple, and everything else, it’s mindboggling that we should be doing something that we were doing in the ‘70s. So, clinical trials are important to move the field forward. They are at major academic centers, all the clinical trials are extremely well-vetted and scientifically vetted, as well as with institutional review boards, ethically vetted. So, patients can be sure that they’re not going to get anything less and potentially more than what they would normally get.  

How Does the Presence of Molecular Markers Affect AML Care?

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How Does the Presence of Molecular Markers Affect AML Care? from Patient Empowerment Network on Vimeo.

Dr. Farhad Ravandi-Kashani reviews how the presence of gene mutations can influence acute myeloid leukemia (AML) treatment choices and discusses new molecular markers being researched for future AML care.

Dr. Farhad Ravandi-Kashani is professor of medicine and Chief of the Section of Developmental Therapeutics in the Department of Leukemia at The University of Texas MD Anderson Cancer Center in Houston, TX. Learn more about Dr. Ravandi-Kashani.

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Related Resources:

Diagnosing and Treating AML_ What Testing Is Essential

 Advances in AML Research _ Where Do Clinical Trials Fit In

 Does Maintenance Therapy Have a Role in AML Care

Transcript:

Laura Beth:

How do test results impact AML care and treatment decisions?  

Dr. Ravandi:

So, in the first place, the presence or absence of certain mutations can be predictable outcome. Some subsets of leukemias are, for the lack of a better term, more favorable.  

I personally don’t think there is anything favorable about any leukemia, but some are easier to treat, and some are easier to cure than others. There is one specific subtype called acute promyelocytic leukemia that we actually completely treat differently. We don’t use even chemotherapy in that subset of leukemia.  

It has almost 100 percent success rate. And the treatment of other subsets can also be tailored, depending on these molecular and chromosomal changes. So, the initial therapy can be actually changed. There are now, for example, targeted agents that can be added to the chemotherapy, during initial chemotherapy.  

And also, once the patient is in remission, depending on favorable or unfavorable their leukemia is, they may be offered allogeneic stem cell transplant. So, yes, this information is highly important. In fact, I would say crucial for our decision-making in leukemia therapy these days.  

Laura Beth:

So, what is new in AML research related to molecular markers?  

Dr. Ravandi:

Well, it depends on your definition of new, but FLT3 mutations are very important because they’re now several FLT3 inhibitors, and as I mentioned, the initial therapies are different, to some extent. The IDH mutations are very important, again, because they are specific targeted agents.  

TP53 mutations are important because, unfortunately, they are particularly unfavorable.  

This is completely hot off the press, but there are subsets of AML called MLL rearranged leukemias that can respond to these drugs called Menin inhibitors.  

There are other mutations that have been discovered, many other ones, that there are no specific treatments for at the moment, but there’s a lot of research on.  

Diagnosing and Treating AML: What Testing Is Essential?

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Diagnosing and Treating AML: What Testing Is Essential? from Patient Empowerment Network on Vimeo.

How do test results affect the diagnosis and care of patients with acute myeloid leukemia (AML)? Dr. Farhad Ravandi-Kashani reviews essential testing for AML patients, including molecular testing and what these test results might reveal about the disease.

Dr. Farhad Ravandi-Kashani is professor of medicine and Chief of the Section of Developmental Therapeutics in the Department of Leukemia at The University of Texas MD Anderson Cancer Center in Houston, TX. Learn more about Dr. Ravandi-Kashani.

See More From INSIST! AML

Related Resources:

How Does the Presence of Molecular Markers Affect AML Care

 Advances in AML Research _ Where Do Clinical Trials Fit In

 Does Maintenance Therapy Have a Role in AML Care

Transcript:

Laura Beth:

Dr. Ravandi, can you define molecular testing for AML patients?  

Dr. Ravandi:

We have progressed on our understanding of cancer, in general. And we have progressed in our technology, so we know that various cancers are likely caused by a number of molecular events, and this is best characterized in leukemias because we have been doing this in leukemia for many years now, simply because leukemias are much more accessible than other cancers. Leukemic cells are in blood and easily obtained and even in bone marrow, are much easier obtained than other solid tumor cancers.  

And so, we’ve been able to identify a number of gene and chromosome changes that we have discovered to be prognostic, but also, have become the targets for developing effective drugs.  

Laura Beth:

Beyond molecular testing, what other testing should take place following an AML diagnosis?  

Dr. Ravandi:

I mean, the classical patient presents because there is something in their blood counts, so they usually have had a blood count testing done. And, of course, you need to do a number of other tests, for example, the chemistry profile, because that can show us some of the problems that can be caused by leukemia.  

And the most important thing is bone marrow aspiration and biopsy, which is still, unfortunately, absolutely necessary, first to make the diagnosis, and second, to obtain the specimens for those biomarker testing that you mentioned.  

Laura Beth:

If a patient relapses, does all of this testing need to be repeated?  

Dr. Ravandi:

Unfortunately, yes. And so, when you said all of these testing, actually, again, compared to some other cancers, this is limited testing. Taking blood for the blood tests, and even doing a bone marrow is generally much easier than taking tissue in a colonoscopy for a colon cancer, or doing a biopsy, a lung biopsy in lung cancer, etc.  

But yes, they all need to be tested, and actually, we do like to repeat the genetic testing because leukemias are dynamic, and after initial therapy, they may change in ways. They may develop new targets or new molecular changes that may be potentially amenable to new targeted therapies.  

Laura Beth:

And is it common for a mutation to appear at a relapse?  

Dr. Ravandi:

It is, yes. I mean, I would say it’s – I wouldn’t say it’s common, but it is frequent.  

Ivosidenib and Azacitidine for IDH1-Mutated AML

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There has been another significant advance in the treatment of Acute Myeloid Leukemia (AML) at least for the small subset of patients (6-10%) who have a mutation in one of their genes called IDH1 (isocitrate dehydrogenase 1).   

Until 5-7 years ago, the typical initial treatment (called induction) for patients with AML consisted of relatively high doses of cytarabine (Ara-C) and another chemotherapy called an anthracycline (usually either daunorubicin or idarubicin).  Cytarabine is given as a continuous infusion for seven days and a daunorubicin or idarubicin is given on the first 3 days (this is commonly referred to as “7 + 3“regimen). There are other regimens that are sometimes used although most contain cytarabine.  This regimen is effective, but quite toxic and usually reserved for healthier fitter patients (generally under 65 without comorbidities like diabetes, or certain heart conditions). 

In 2018, the Food and Drug Administration (FDA) approved venetoclax and azacitidine for use in older patients or those with comorbidities.  Earlier this year, FDA approved Iivosidenib (used in combination with azacytidine) for newly diagnosed AML patients an IDH1 mutation.  The approval was for “adults 75 years or older, or who have comorbidities that preclude use of intensive induction chemotherapy”.  This was based on a clinical trial reported in the New England Journal of Medicine (NEJM): Ivosidenib and Azacitidine in IDH1-Mutated Acute Myeloid Leukemia,.  Ivosidenib is not a brand new drug, it was approved in 2018 for relapsed or refractory AML. 

The current approval was based on a global, double-blind, randomized, placebo-controlled trial comparing AML patients with an IDH1 mutation treated with ivosidenib and azacytidine with patients treated with azacytidine alone.  The primary end point of the trial was event-free survival (EFS), defined as the time until treatment failure (i.e., the patient did not have complete remission by week 24), relapse or death.  The first group of patients, who received ivosidenib had an EFS at 12 months of about 37% versus 12% in the placebo group.  In addition, the median overall survival (that is half of the patients lived at least this long) was 24.0 months with ivosidenib and azacitidine versus 7.9 months with azacitidine alone.  This is a big difference, although there is still a lot of room for improvement.  In addition, there were fewer infections in the ivosidenib, group although there were more incidences of low white blood counts (neutropenia) and bleeding in that group. 

While this is good news, showing ivosidenib (Tibsovo) and azacitidine (Vidaza) is better than azacitidine alone, most patients with AML with an IDH1 mutation who are not good candidates for intensive induction chemotherapy during the time period of the trial would likely have been treated with azacitidine and venetoclax (Venclexta).  The combination has been shown to be much more effective than azacitidine alone.  My guess is that azacitidine alone was chosen as the comparison, since the ivosidenib trial started enrolling patients in March 2018 (presumably the protocol for the trial was completed several months before that) and venetoclax was not approved until November, 2018.  The question remains, which is better ivosidenib and azacitidine or azacitidine and venetoclax.  I believe we will probably never know.  Given that AML is already a rare disease and no more that 10% of AML patients have an IDH1 mutation, it is not likely such a trial would be done.  Instead, it seems more likely that trials will look at the 3-drug combination of ivosidenib, venetoclax and azacitidine.  Perhaps a trial with 3 arms may be done, comparing azacitidine with ivosidenib, or venetoclax or both.  I hope the 3-drug combination will be more effective than either ivosidenib or venetoclax combined with azacitidine.  If the side effects are not much worse, then standard therapy for AML patients with an IDH1 mutation who are not good candidates for intensive chemotherapy would become the 3-drug combination.  This would happen faster than first comparing ivosidenib to venetoclax and then comparing the better of those two to the 3-drug combination.   For younger healthier patients, ivosidenib is being combined with intensive chemotherapy in clinical trials.

Further reading: 

Ivosidenib and Azacitidine in IDH1-Mutated Acute Myeloid Leukemia, the original article from the New England Journal of Medicine (N Engl J Med 2022; 386:1519-1531). 

Ivosidenib and Azacitidine for IDH1-Mutated AML, mostly a repeat of the abstract of the above NEJM article, but also includes some commentary. 

Ivosidenib with Chemotherapy New Option for Some People with AML an article on Ivosidenib and Azacytidine from Cancer Currents: An NCI Cancer Research Blog. 

This AML Treatment Option is an Alternative to Induction Therapy an article on Ivosidenib and Azacytidine from PatientPower. 

FDA approves ivosidenib in combination with azacitidine for newly diagnosed acute myeloid leukemia an article about the drug approval, from Practice Update (registration may be required). 

Ivosidenib or enasidenib combined with intensive chemotherapy in patients with newly diagnosed AML: a phase 1 study, an article in Blood (Volume 137, Issue 13, April 1 2021) about a preliminary study of Ivosidenib and Enasidenib (for patients who have a mutation in IDH2) along with intensive chemotherapy (“7+3” induction, Ara-C consolidation). 

FDA grants regular approval to venetoclax in combination for untreated acute myeloid leukemia, an article from the FDA on the approval of Venetoclax for treating AML (October, 2020). 

FDA approves first targeted treatment for patients with relapsed or refractory acute myeloid leukemia who have a certain genetic mutation, an article from the FDA on the initial approval of Ivosidenib for treating AML (July, 2018).FDA approves first targeted treatment for patients with relapsed or refractory acute myeloid leukemia who have a certain genetic mutation, an article from the FDA on the initial approval of Ivosidenib for treating AML (July, 2018). 

The Benefits of Being Pro-Active in Your AML Care

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The Benefits of Being Pro-Active in Your AML Care from Patient Empowerment Network on Vimeo.

Dr. Eytan Stein, an AML expert, discusses the importance of communicating regularly with your healthcare team and shares what makes him hopeful about the future of AML care.

Dr. Eytan Stein is a hematologist oncologist at Memorial Sloan Kettering Cancer Center and serves as Director of the Program for Drug Development in Leukemia in Division of Hematologic Malignancies. Learn more about Dr. Stein, here.

See More from Thrive AML

Related Resources:

Considerations When Choosing an AML Treatment

Tips for Thriving With AML | Setting Treatment Goals

 What Are Current and Emerging AML Treatment Approaches?

Transcript:

Katherine Banwell:

Why is it essential for patients to share any issues they may be having with their healthcare team, specifically, sharing their symptoms and side effects?   

Dr. Eytan Stein:

Well, it’s important because we want to help you. I mean, I think that’s what it comes down to. All of us, whether it’s your doctor or your nurses or your nurse practitioner or physician’s assistant or anyone who is part of the healthcare system, we went into this business to help people. I mean, we knew what we were getting into when we went into this, and we want to help people. And one of the ways you help people is you help with their symptoms. So, if you’re not feeling well, you call up, and you say, “I’m not feeling well,” we can help you with that. You shouldn’t suffer in silence.  

I sometimes have patients who will say to me, “Oh, I was going to call you, but I didn’t want to bother you.” You’re not bothering us. This is what – it’s not like you’re calling and asking for mortgage advice, right? This is what we do. So, it’s very important to call us because the other thing is that you’re going to be more – it’s more likely that you’ll be able to complete your treatment if we manage the side effects that you’re having rather than just ignoring them.  

Katherine Banwell:

What advice do you have for patients to help them feel confident in speaking up and becoming a partner in their own care? 

Dr. Eytan Stein:

My advice is, speak up. You just speak up. It’s very important. It’s your – you know, at the end of the day, this is a disease that you are experiencing. Your doctor is there to partner with you and to guide you, but it’s your body. It’s your disease, and you need to be very vocal in what you’re experiencing and advocate for yourself.  

Katherine Banwell:

If a patient has difficulty voicing their questions or concerns, are there members of the support staff who could help?  

Dr. Eytan Stein:

Most centers have a social worker on staff that can help them out. I highly, highly encourage all of my patients to meet with a therapist or a psychologist that specializes in taking care of patients with cancer. I have become more vocal about this that I see really, it’s probably the best thing a patient can do for themselves, and there’s no downside. If you don’t like it, you don’t have to go back. You can do one appointment and not go back. But that can be extremely helpful, extremely helpful.  

So, it’s important in both ways. You need to alert your doctor that you might be feeling one way, but I think it’s also on the doctor to sort of take visual cues from the patient when they see them to understand what they might need and to make those kind of recommendations.  

Katherine Banwell:

Yeah. As we close out our conversation, Dr. Stein, I wanted to get your take on the future of AML. What makes you hopeful?  

Dr. Eytan Stein:

Oh, so many things make me hopeful. I mean, we understand this disease so much more than we understood it even 10 years ago. There are all sorts of new treatments that are being developed. We’re improving the survival of our patients with the new treatments that have already been approved over the past 10 years. And I really think the golden age of AML treatment is upon us, and I really think that – and some people might think I’m crazy – but I really think that by the time I’m done with this, you know, one day, I’ll get too old, and I’ll decide I need to go retire and spend time with my family. But I think by that time, we’re going to be curing the vast majority of our patients. 

Katherine Banwell:

That’s so positive. It’s great to hear that there’s been so much advancement and that there’s so much hope out there for AML patients.  

I want to thank you so much for taking the time to join us today, Dr. Stein.  

Dr. Eytan Stein:

Okay, thank you. It was really nice to be here.   

Managing Your Oral AML Treatment | Tips for Staying on Schedule

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Managing Your Oral AML Treatment | Tips for Staying on Schedule from Patient Empowerment Network on Vimeo.

With oral AML therapies becoming more available, patients now play a role in administering their own treatment. Dr. Eytan Stein shares tips for patients managing their at-home treatment regimens.

Dr. Eytan Stein is a hematologist oncologist at Memorial Sloan Kettering Cancer Center and serves as Director of the Program for Drug Development in Leukemia in Division of Hematologic Malignancies. Learn more about Dr. Stein, here.

See More from Thrive AML

Related Resources:

What Are Current and Emerging AML Treatment Approaches?

 The Benefits of Being Pro-Active in Your AML Care

 Tips for Thriving With AML | Setting Treatment Goals

Transcript:

Katherine Banwell:

With more oral therapies becoming available, patients now have a role in self-administering their treatment. So, what happens if a patient forgets to take a medication? Does that impact its effectiveness? 

Dr. Eytan Stein:

The easy answer to that question is probably not. You know, if you forget to take a medication for three weeks, that’s not a good thing, but if there’s a – you know, this happens all the time, right?  

You’re busy, and you just forget. If you forget to take a medication one night or one day, it almost certainly is not going to make a huge difference. Having said that, you shouldn’t see that as license to not be careful. So, it is important to try. So, set an alarm; put out a pill container do the kinds of things that can help you.  

The other thing, there is a certain what I would call pill fatigue that sets in. Often, patients with AML are taking multiple medications at multiple times a day, and it can be hard. And at my center, we have pharmacists who do a lot of different things, but one of the things they can help with is sort of streamlining patients’ pill burden to make it easier for them to remember and to take the medications when they’re supposed to take them. 

Katherine Banwell:

When a patient does forget to take a dose or even a couple of days’ doses, should they call their healthcare team and let them know? 

Dr. Eytan Stein:

Yes, always call. Always call.