Investigating biomarkers for a rare metabolic syndrome related to sphingosine phosphate lyase insufficiency.

Validating absolute lymphocyte count and plasma sphingosine-1-phosphate as disease biomarkers of sphingosine phosphate lyase insufficiency syndrome in anticipation of a pyridoxine clinical trial

NIH-funded research University of California, San Francisco · NIH-10705139

This study is looking for certain markers in the blood that could help identify a rare condition called sphingosine phosphate lyase insufficiency syndrome (SPLIS), and it aims to prepare for a future trial testing vitamin B6 as a treatment for people with this condition.

Quick facts

Grant typeR21 grant
Study typeNIH-funded research
Funding institutionUniversity of California, San Francisco NIH-funded
Lab location1 site (San Francisco, United States)
Project IDNIH-10705139 on NIH RePORTER

What this research studies

This research focuses on identifying specific biomarkers, namely absolute lymphocyte count and plasma sphingosine-1-phosphate, that could indicate the presence of sphingosine phosphate lyase insufficiency syndrome (SPLIS). The study aims to validate these biomarkers in preparation for a clinical trial involving vitamin B6 treatment. By analyzing blood samples from affected individuals, researchers hope to better understand the disease's progression and response to potential therapies. This work is crucial for developing effective treatments for patients suffering from this severe condition.

Who could benefit from this research

Good fit: Ideal candidates for this research include individuals diagnosed with sphingosine phosphate lyase insufficiency syndrome or those exhibiting symptoms related to this condition.

Not a fit: Patients without a diagnosis of sphingosine phosphate lyase insufficiency syndrome or those who do not exhibit relevant symptoms may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to improved diagnostic methods and targeted therapies for patients with sphingosine phosphate lyase insufficiency syndrome.

How similar studies have performed: While the specific approach of validating these biomarkers is novel, similar research has shown promise in identifying biomarkers for other metabolic disorders.

Where this research is happening

San Francisco, 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 Addison's disease
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.