Tag Archive for: FDA Approved

Current Treatment Approaches for Bladder Cancer

Current Treatment Approaches for Bladder Cancer from Patient Empowerment Network on Vimeo.

Dr. Shilpa Gupta provides an overview of available bladder cancer treatment approaches and discusses the factors that impact therapy decisions.

Dr. Shilpa Gupta is the Director of the Genitourinary Medical Oncology at Taussig Cancer Institute and Co-Leader of the Genitourinary Oncology Program at Cleveland Clinic. Dr. Gupta’s research interests are novel drug development and understanding biomarkers of response and resistance to therapies in bladder cancer. Learn more about Dr. Gupta, here.

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You’ve touched upon treatment options but let’s walk through the treatment approaches for bladder cancer and who they might be right for, and I’d like to start with surgery. Who would be a good candidate for surgery?

Dr. Gupta:                  

I think patients who are otherwise fit, that is, they have good performance status, don’t have a lot of cardiac or other comorbidities, are not very obese, and of course have to be fit for any major procedure are usually considered good surgical candidates. But, as far as – In terms of staging, the patients with stage I, if BCG does not work in them or immunotherapy doesn’t work, they are recommended surgery if they are good candidates.

If they are not good candidates, we then – our role as medical oncologists is to offer other systemic therapies. As far as stage II cancer is concerned, the gold standard has been chemotherapy, followed by surgery but that’s the gold standard.

It may not apply for every patient. Depending on how fit patients are. Are they – we don’t usually just go by their chronological age but how fit they are? What are their comorbidities? If surgery is going to be a big burden for them moving forward, then we do talk about radiation and chemotherapy and other bladder preservation approaches.


What about immunotherapy and targeted therapies? Who would you use those on?

Dr. Gupta:                  

Well, since the advent of immunotherapies back in 2016 they’ve really – we’ve made a lot of progress and changed the way treat bladder cancer and the overall survival has improved by leaps and bounds with all these drugs.

Immunotherapy now plays a role in different stages. It is approved for superficial or non-muscle invasive bladder cancer if, let’s say, BCG doesn’t work. In muscle invasive disease we have along with others shown that immunotherapy is safe and effective, although it is not yet FDA approved, so there is a lot of clinical trials going on to prove its superiority in combination and by itself.                                   

And, in metastatic disease or locally advanced disease immunotherapy plays a huge role for patients who have either disease recurrence after chemotherapy or are not good candidates for any chemotherapy.

I would say that immunotherapy is a very big – plays a very big role in the treatment. Unfortunately, not everybody responds to immunotherapy only about 20 to 25 percent of patients do.

 That’s why we have these other novel therapies that have been coming through, like antibody drug conjugates, namely enfortumab vedotin, sacituzumab govitecan, and targeted therapy in the form of an FGFR inhibitor was the first targeted therapy that was approved a couple of years ago for patients who have a mutation in their tumors.

That’s really personalized medicine for those patients.


Right. What about biomarker testing? Does the presence of certain biomarkers impact certain treatment options?

Dr. Gupta:                  

That’s a great question and we’re all striving to find the perfect biomarker in bladder cancer. In the past we thought that expression of PD-L1 in the tumor cells and immune cells is a marker of how well the immunotherapy will work, but we have learned over the past couple of years that biomarker has turned out to be quite useless.

We don’t really need that to guide our treatment. We’re still depending on clinical biomarkers for immunotherapy use or chemotherapy use. I would say that the biomarker question is still being looked at and eventually I would say it’s not going to be one biomarker, but a composite of several different biomarkers that we will be able to use comprehensively.

What Are the Benefits of MPN Inhibitor Treatment?

What Are the Benefits of MPN Inhibitor Treatment? from Patient Empowerment Network on Vimeo.

MPN expert Dr. John Mascarenhas shares an overview of how inhibitor therapy works to treat myelofibrosis (MF) and the benefits of this type of treatment.

Dr. John Mascarenhas is Associate Professor of Medicine at the Icahn School of Medicine at Mount Sinai (ISMMS) and the Director of the Adult Leukemia Program and Leader of Clinical Investigation within the Myeloproliferative Disorders Program at Mount Sinai. Learn more about Dr. Mascarenhas, here.

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Katherine Banwell:

Dr. Mascarenhas, what is inhibitor therapy and how does that work?

Dr. Mascarenhas:       

So, inhibitor therapy in general are usually oral drugs for the most part, small molecule inhibitors that are geared and usually specific but not totally specific because then they can have off-target effects, but geared to inhibiting usually an enzyme that is overactive or is contributing to the pathophysiology of the disease.

I think in MF, probably one of the best examples is a JAK2 inhibitor. So, there are a number of JAK2 inhibitors that have been in clinical testing. There are two that are approved, ruxolitinib and fedratinib which are excellent drugs in inhibiting JAK2 protein itself in the cells that could be either upregulated or hyperactive in the signaling pathway, and it quiets down a signaling pathway in the hematopoietic cells that leads to a lot of the manifestations of the disease, namely symptoms and spleen.

So, one of the clear benefits of JAK inhibitors that was established many years ago and reinforced by multiple drugs that are either approved or in late-stage testing is these drugs are excellent in improving the symptom burden in the patients and reducing their spleen. Unfortunately, as a class, we’ve not seen these drugs induce remissions or cure patients. So, there’s still interest in developing, obviously, non-JAK inhibitor therapies. But inhibitors in general are inhibiting proteins that are either inappropriately activated or part of a cascade of signaling molecules that are contributing to the disease.

And they are not chemotherapeutic, which might be an important point to make. In past days, we’ve relied heavily in hematologic malignancies in using chemotherapies which are nonspecific and just kill dividing cells whereas inhibitors typically are targeted, and in some sense, it’s personalized to the disease with toxicity profiles that are usually quite distinct from the traditional chemotherapies that we use.