Tag Archive for: BRCA mutation

Hereditary Ovarian Cancer: What’s Your Risk?

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Hereditary Ovarian Cancer: What’s Your Risk? from Patient Empowerment Network on Vimeo.

What should patients know about ovarian cancer and hereditary risk? Expert Dr. Ebony Hoskins explains the incidence rate of hereditary ovarian cancer and shares advice about when it’s important to ensure you get genetic testing.

Dr. Hoskins is a board-certified gynecologic oncologist at MedStar Washington Hospital Center and assistant professor of Clinical Obstetrics and Gynecology at Georgetown University Medical Center. Hoskins sees women for gynecological malignancies, which include the treatment of endometrial, ovarian, vulva, vaginal and cervical cancers.

[ACT]IVATION TIP

“…if you know someone who has ovarian cancer or if you’re affected yourself, make sure you have gotten genetics testing standard of care.”

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Transcript:

Mikki:

Dr. Hoskins, can ovarian cancer be hereditary? Should patients suggest that their family members undergo genetic testing?

Dr. Ebony Hoskins:

So, yes, ovarian cancer can be hereditary. Approximately 10 to 15 percent are associated with an increased risk with family history. It is now recommended that any patient with ovarian cancer get genetics testing period, even if there’s no family history that they should be offered genetics testing. I always recommend that an affected person, when I say affected person, I mean the person that have the cancer diagnosis get the genetics testing first. So sometimes I see patients where they’re…have several family members with, say, breast cancer, which could be indicative of a breast like a BRCA mutation, which is associated with an ovarian cancer. And come to find out they’ve had genetics testing, but they don’t have the gene for ovarian cancer. So again, it’s important that the affected person, meaning the person that have the cancer, get genetics testing. My activation tip for this is if you know someone who has ovarian cancer or if you’re affected yourself, make sure you have gotten genetics testing standard of care. 

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How Do Genomic Testing Results Impact Breast Cancer Treatment Options?

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How Do Genomic Testing Results Impact Breast Cancer Treatment Options? from Patient Empowerment Network on Vimeo.

Understanding a breast cancer patient’s individual disease is vital to personalizing their care. Dr. Jame Abraham explains how genomic testing results could impact a patient’s treatment path.

Dr. Jame Abraham is the chairman of the Department of Hematology & Medical Oncology at Cleveland Clinic and professor of medicine at Cleveland Clinic Lerner College of Medicine. Learn more about Dr. Abraham.

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Transcript:

Katherine:

Dr. Abraham, how do genomic test results impact treatment options?  

Dr. Abraham:

So, let’s just kind of think about the germline mutation. Let’s just say, we do a genetic testing for a patient with a stage two breast cancer. And let’s just say, if the patient has BRCA1 mutation, basically, we are saying, if somebody has a BRCA1 mutation, there’s about a 20 to 40 percent chance of developing contralateral breast cancer, breast cancer on the other side, and then, about 20 to 40 percent chance of developing ovarian cancer. 

So, if I’m seeing somebody who is in their 40s or 50s, those who completed their family, completed the family, then, with the mutation, we will talk to them about potential risk reduction surgeries for the other breast. 

And then, in addition, we’ll talk about removing the ovaries for prevention of ovarian cancer. 

So, that’s one major decision point. And then, let’s just say, with the BRCA mutation, there are new drugs, FDA-approved, what we call as, PARP inhibitors, or olaparib (Lynparza). After completing their chemotherapy and other treatments, we can add a PARP inhibitor or olaparib to their adjuvant treatment. That means, after surgery and chemo, we can add this medicine, for their treatment, for a year. 

So, this has tremendous implications for their treatment. And then, let’s just say, if she has other family members, there’s about 50 percent chance that they may have the same. 

So, you can probably talk to them about doing the testing for them, and that may influence their screening methods, to see if she has kids, and what 50 percent chance that they can inherit this gene. Again, that can influence how we screen and manage them.  

So, let’s just say, if I’m seeing somebody who stage I breast cancer, you’re positive, and then, we do a genomic testing. It’s not exactly somatic, but it’s, still, it’s a genomic testing. 

So, we do a genomic testing, such as Oncotype, or MammaPrint – so, again, that’s an early-stage breast cancer – that specifically looked at certain things within the tumor, which are markers for proliferation. So, those tests will help us, again, in a specific subset of patients, ER-positive, HER2-negative, early-stage patients, tests, such as Oncotype and MammaPrint, will help us to identify who will need chemo, or whom we can spare more aggressive treatments like chemo. 

And then, in metastatic setting, when we do this testing, we can see certain mutations within the tumor that will allow us to recommend treatments based upon that. 

What Are Some Hereditary Factors Impacting Prostate Cancer Patients?

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What Are Some Hereditary Factors Impacting Prostate Cancer Patients? from Patient Empowerment Network on Vimeo.

Along with aging, hereditary factors also contribute to prostate cancer incidence. Expert Dr. Leanne Burnham details some of the hereditary factors, their mechanism of action, and some treatments under study in prostate cancer clinical trials for African American men.

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Transcript:

Dr. Leanne Burnham

So, cancer is a disease of aging, and cancer is a hereditary disease for a lot of different kinds of cancers, not all, but for a lot of them. And so prostate cancer is one of those that we know for sure that there are some genetic variations that are passed down from our parents that would make men either predisposed or not to get prostate cancer and also would predispose them to get aggressive prostate cancer.

And so, for example, if you have a father, an uncle, grandfather, if you have family members that have had prostate cancer, and beyond that, if you had women in your family that have had breast cancer, then that increases your chance as a man to get prostate cancer and to get it even younger than other races would. And so certain things that we look at in the lab and in the clinic at City of Hope are really trying to understand what those hereditary factors are, and then how you can target them with drug treatments specifically.

So, for example, we have a clinical trial that a team of us developed, and we are looking at the ability of something called PARP inhibitor not to get too technical with you, but PARP inhibitors, if you want to Google it, they are at the forefront of prostate cancer treatments right now, and especially a few running in clinical trials. And so there is a hereditary disposition, there is a mutation on the BRCA gene that leads to PARP inhibitors benefiting any person that would have that BRCA mutation.

What we’re doing in our clinical trial is we are using a PARP inhibitor called talazoparib (Talzenna), and we are not only providing that to patients that have the spark commutation, but we are extending it to patients that may not have that mutation, and the reason for is because, and I definitely don’t want to get crazy technical, but the reason for it in a nutshell, as we know in cancer there is an interaction between PARP inhibition and androgen receptor function and reaction to treatments. And so, you may have heard of androgen and androgen receptor when it comes to prostate cancer, it’s really the fancy way of saying testosterone, and prostate cancer needs testosterone, or it needs androgen and androgen receptor to function and to grow. And so, what we want to see in this clinical trial is if we target, if we use PARP inhibitors in combination with hormone therapy that’s targeting androgen production androgen receptor, will we see better treatment and better response to the drugs in those patients. And the extra cool part to me is we know that there are variations in DNA segments that affect androgen receptor function in African American men. And so, for a specific mechanism that I won’t dive into, it involves trinucleotide repeats and link, segments links and all this, but because of these variations and androgen receptor in African American men that we know was associated with their ancestry and what they’ve inherited in their own DNA, this drug should work better in African American men. And we will be able to tease that out in this clinical trial. So, it’s an opportunity for African American men who have prostate cancer who have not developed castration resistance yet, but who do have metastatic prostate cancer so, at that point, there is not a cure, right, and so you can go to your physician, and you can get a standard of care therapy, or you may want to consider this clinical trial where you would receive standard care therapy. And then also, as I said before this VIP access to this new drug, this PARP inhibitor that we think may improve outcomes in men.