Making Diagnosis, Research & Treatments Possible for All

A world where no family with an undiagnosed or ultra-rare condition has to fight alone for a diagnosis, research, treatment or support.

The Latest News from the UDNF

  • UDNF Statement on Rare Disease Day 2025 Cancellation, Research Funding, and Policy Impacts on the Ultra-Rare and Undiagnosed Community...

  • Read the December E-News Highlights Advancing Hope: A Year of Research Progress in Undiagnosed and Ultra-rare Diseases Until Rare is Not a Barrier: How Your Donation Helps Help Make the Impossible Possible...

  • Read the November E-News Highlights Undiagnosed. Ultra-rare. United. UDNF Community Events 2024 Wrap-up The UDNF public statement for the FDA Rare Disease Innovation Hub Celebrating Cargivers Month with Jessica Patay from We Are Brave Together...

What the UDN offers patients like myself extends far beyond the obvious search for diagnosis and treatment. It offers a far more elusive gift; one that we struggle at times to find, and at other times to hang on to. One that we frequently abandon when caught in the throes of nihilistic despair.

It offers HOPE.

– Ingrid Kovitch, UDN Participant

Undiagnosed Patient and Family Stories

Christin Siscoe

Aldis Hodge was recently quoted as saying, “What makes a superhero? They’re supposed to represent hope, opportunity, and strength for everybody.” As a mom, I find this statement a true reflection on my Cooper and every UDN participant. Our journey began shortly after Cooper was

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Sanam Kadhoda

Eli is a very energetic and playful kid. He loves Superheroes! His favorite characters are the PJ Masks, and he loves to run around the house imitating them. Eli is the most loving and pure child. He LOVES hugs and kisses and asks for them

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Luke Shantz

I prefer to start my story from the end, because who doesn’t like a happy ending. Right? Or at least an ending in which the bad guy doesn’t win. I enjoy life with my service dog Sophie, spending winters in tropical Colombia and summers on

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