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CANCER: THE BRAND

Delivering more than expected...

11/15/2020

 
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I completed one of those rare data projects for a client. It was perfect. So perfect I am changing the actual data question, and the data identities but creating a mini-version so perhaps you can use it as either a blueprint for your next project or a goal post as you build a data team. Survey after survey (especially in continuing medical education)--identifies finding and working with data as the biggest challenge. It doesn’t have to be this way.

​I will pick the second most requested data delivery topic. Immuno-oncology. Let’s see where we might start thinking about the question.

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Let’s pretend (similar to my last project) that you are an academic center with a robust CME department. You want to avoid data dumps and attempting to educate community oncologists or physicians on simply the epidemiology. They know the science--the problem is, the data is problematic.

​For example, in the last 5 years there have been 28 randomized controlled trials published. If I decide to limit to simply clinical trials, there are 71. If I filter simply by key word search immuno-oncology and 5 years, there are 1,761 results. Educators need to start here. Focus and distill the information into meaningful topics.

A recent article, Clinical Trial Evidence Supporting US Food and Drug Administration Approval of Novel Cancer Therapies Between 2000 and 2016 revealed the following key points:
Question  What are the available data on cancer treatment outcomes for new cancer therapies approved by the US Food and Drug Administration?
Findings  In this comparative effectiveness study of 92 novel cancer therapies approved for 100 indications over 17 years, 44% of drug approvals were based on data from nonrandomized clinical trials. Randomized clinical trials typically reported that these drugs were associated with substantial tumor responses and delays in the time to progression or death, but the median absolute increase in overall survival was only 2 months.
Meaning  This study’s findings indicate that, at the time of drug approval, limited supporting data are available to decision-makers, and the increase in overall survival associated with new cancer drugs is typically small.
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I don’t want to gloss over the importance of understanding a clinical graphic (you need to learn how. Period.) but in this case I found the data in this clinical report secondary to identifying the education gap for health care providers treating patients at the point of care.

Which patient might benefit, from which drug, at what cost, and at what dose? Interviewed physicians revealed they had no idea the overall survival benefits were so small.

First, we can explore the FDA Adverse Events Reporting System (FAERS) Public Dashboard. I am picking a drug for purposes of demonstration--I selected nivolumab from the graphic above, brand name Opdivo. Opdivo has a broad list of indications and although FAERS is free, I recommend using MedDRA (small fee) for complete data. But for our illustrative purpose--this will be fine.

What we see in the data (search term “nivolumab") shows that there were 44,893 adverse events reported in FAERS. A total of 40, 152 are reported as serious (including deaths) with 13, 549 deaths reported as of June 30th, 2020.

As we search for a focus for an educational intervention, although healthcare professionals reported the AEs 81% (36,614) of the time, patients or consumers reported 18% (8,171).
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There are also serious side effects to be aware of and education to limit the prescribing of Opdivo in unapproved indications.

Schema for relational database...

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Accessing the clinical trial database also provides data on recruitment, reasons for trials being terminated, phases of different trials and a lot of information important for identifying potential knowledge gaps.

​The Clinical Trials Transformation Initiative allows you to create a local database for analyzing granular questions from Aggregate Content of ClinicalTrials.gov (ACCT). 

You still can access clinicaltrials.gov but for a deep analysis it is better to explore ACCT.

A quick glance at clinical trials.gov yields quick information for example, how many (and which type of funder) submitted a statistical plan with their study documents? You might be surprised how many are missing this important document.

For example, 17 Studies found for: Completed Studies | Studies With Results | Interventional Studies | Colon Cancer | United States | Adult, Older Adult | Phase 3 | NIH, U.S. Fed, Industry, Other--No statistical plan.
This list is certainly not complete but I wanted to show how a small fraction of available data can yield big insights for developing need assessments or any conversations about therapeutics--especially comparative highlights.

There has been interest in examining inequity in screening and diagnosis for a variety of cancers. I am picking an example from one of the indications of our reference drug, nivolumab. Interesting trends to examine that begin to diverge after mid-forties.
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When working with populations, it is also important to locate demographic challenges to care access. There are many variables to examine, but here is one that is available from Health Resources & Services Administration (HRSA).
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Do you have any data questions? Click the collaborator page and enter your data challenges.

​We might select your challenge for the next round of data sourcing.

Comments are closed.
    Bonny is a data enthusiast applying curated analysis and visualization to persistent tensions between health policy, economics, and clinical research in oncology.
    Follow @datamongerbonny

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  • Data & Donuts (thinky thoughts)
  • COLLABORATor
  • Data talks, people mumble
  • Cancer: The Brand
  • Time to make the donuts...
  • donuts (quick nibbles)
  • Tools for writers and soon-to-be writers
  • datamonger.health
  • The "How" of Data Fluency