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    <title>Joaquin Vizcarra, M.D. — Writing</title>
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    <description>Essays on Parkinson's disease, clinical uncertainty, translational research, and practical uses of artificial intelligence in neurology.</description>
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      <title><![CDATA[The FDA's New Bayesian Guidance and the Hardest Question in Parkinson's Trials]]></title>
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      <description><![CDATA[The FDA's new Bayesian guidance changes what clinical trials can ask and answer. For Parkinson's disease, where proving disease modification has always been the hardest problem, this matters more than most.]]></description>
      <pubDate>Tue, 24 Mar 2026 00:00:00 GMT</pubDate>
      <dc:creator>Joaquin Vizcarra, M.D.</dc:creator>
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      <title><![CDATA[What a Week of Real-World Walking Data Reveals About Parkinson's Disease]]></title>
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      <description><![CDATA[The Mobilise-D consortium validated 24 digital mobility outcomes in 601 people with Parkinson's disease across five European sites. The data make a careful case for rethinking how trials measure what matters.]]></description>
      <pubDate>Tue, 17 Mar 2026 00:00:00 GMT</pubDate>
      <dc:creator>Joaquin Vizcarra, M.D.</dc:creator>
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      <title><![CDATA[The Wearable Worked. The Outcomes Didn't Move.]]></title>
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      <description><![CDATA[A 35-center randomized trial tested whether wearable-guided medication adjustment improved outcomes in Parkinson's disease. The result opens questions about where these tools work best.]]></description>
      <pubDate>Mon, 09 Mar 2026 00:00:00 GMT</pubDate>
      <dc:creator>Joaquin Vizcarra, M.D.</dc:creator>
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      <title><![CDATA[The Implementation Problem in Parkinson's AI: Lessons from Cardiology]]></title>
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      <description><![CDATA[Why real-world workflow adoption, not just model performance, will determine impact for Parkinson's AI in primary care.]]></description>
      <pubDate>Fri, 27 Feb 2026 00:00:00 GMT</pubDate>
      <dc:creator>Joaquin Vizcarra, M.D.</dc:creator>
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      <title><![CDATA[AI in Parkinson's Disease Diagnosis: Context Determines the Standard]]></title>
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      <description><![CDATA[Why the clinical value of AI in Parkinson's disease diagnosis depends on context, intended use, and measurable decision impact.]]></description>
      <pubDate>Thu, 19 Feb 2026 00:00:00 GMT</pubDate>
      <dc:creator>Joaquin Vizcarra, M.D.</dc:creator>
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