NIH-funded research R01 grant

How fetal hemoglobin is distributed in red blood cells in sickle cell disease

Official title: Understanding cellular variation in fetal hemoglobin distribution

Funded at Versiti Blood Health, INC. · NIH-11341383 · Data updated 2026-11-12

Aims to understand why fetal hemoglobin is unevenly spread among red blood cells in people with sickle cell disease and how this affects illness.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionVersiti Blood Health, INC.
NIH-funded
Lab location1 site (Milwaukee, United States)
Project startJuly 1, 2026
Project endApril 30, 2031
Funding year2026
Award (this year)$704,758
NIH project number1R01DK147185-01
Project IDNIH-11341383 on NIH RePORTER

Who could benefit from this research

Could help

People with sickle cell disease, or those with related HbF regulatory profiles, whose red blood cells can be studied.

Less likely to help

Patients whose disease is not influenced by HbF distribution or whose samples cannot be analyzed may not benefit.

What this research studies

This project looks at sickle cell disease, a condition where blood cells can sickle and cause serious problems. Researchers will study how genetic and epigenetic factors control gamma-globin (HbF) production inside individual red blood cells, using modern sequencing methods. By focusing on the distribution of HbF across cells, they hope to explain why some patients fare worse even with high overall HbF. The study combines lab analyses of patient samples with genetic data to map mechanisms that influence HbF patterns. The goal is to identify targets that could lead to better, more consistent protection against complications.

Why it matters

Potential benefit: If successful, the work could lead to therapies that produce a more favorable HbF distribution, potentially reducing complications in sickle cell patients.

How similar studies have gone: Previous work shows HbF distribution matters for outcomes, but this project seeks to uncover the underlying regulatory mechanisms and translate them into new approaches.

Where this research is happening

  • Versiti Blood Health, INC.
    Milwaukee, United States
    Active

Researchers

  • Principal investigator: Doerfler, Phillip a — Versiti Blood Health, INC.
  • Study coordinator: Doerfler, Phillip a

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.
Last reviewed 2026-11-14 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.