Measuring blood biomarkers for diagnosing parkinsonian syndromes after death

Can diagnostic biomarkers for parkinsonian syndromes be measured in postmortem blood samples?

NIH-funded research University of California Los Angeles · NIH-10572535

This study is looking at how blood samples taken after someone has passed away can help find markers that tell the difference between Parkinson's disease and other similar conditions, which could lead to better and more accurate diagnoses for people with these disorders.

Quick facts

Grant typeR21 grant
Study typeNIH-funded research
Funding institutionUniversity of California Los Angeles NIH-funded
Lab location1 site (Los Angeles, United States)
Project IDNIH-10572535 on NIH RePORTER

What this research studies

This research investigates the potential of using blood samples collected postmortem to identify biomarkers that can accurately distinguish between Parkinson's disease and atypical parkinsonian disorders. By analyzing the concentration of α-synuclein in extracellular vesicles from these blood samples, the study aims to improve diagnostic accuracy, which is often hindered by misdiagnosis. The approach involves a minimally invasive blood draw, making it a promising method for developing reliable diagnostic tests. The study will validate the diagnoses pathologically to ensure the biomarkers are effective in distinguishing between different parkinsonian syndromes.

Who could benefit from this research

Good fit: Ideal candidates for this research are individuals who have been diagnosed with Parkinson's disease or atypical parkinsonian disorders and have passed away.

Not a fit: Patients who are currently alive and have not been diagnosed with parkinsonian syndromes will not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to more accurate diagnoses for patients with parkinsonian syndromes, reducing stress and improving treatment options.

How similar studies have performed: Other research has shown promise in using blood biomarkers for diagnosing neurological conditions, suggesting that this approach could be effective.

Where this research is happening

Los Angeles, United States

Researchers

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page below.
Conditions Brain DiseasesBrain DisordersEncephalon Diseases
Last reviewed 2026-06-10 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.