Helping immune recovery after bone marrow (stem cell) transplant

Promoting T cell reconstitution after hematopoietic cell transplantation

NIH-funded research Fred Hutchinson Cancer Center · NIH-11245761

This project develops ways to speed T cell recovery for people who have had hematopoietic stem cell (bone marrow) transplants.

Quick facts

Grant typeNIH-funded research
Study typeNIH-funded research
Funding institutionFred Hutchinson Cancer Center NIH-funded
Lab location1 site (Seattle, United States)
Project IDNIH-11245761 on NIH RePORTER

What this research studies

Researchers are studying how the thymus — the organ that makes T cells — repairs itself after the damage caused by cancer treatments and transplant conditioning. They focus on two natural repair signals, IL-22 from innate lymphoid cells and BMP4 from endothelial (blood vessel) cells, and how different types of cell death change those repair signals. Using laboratory models and relevant patient-derived samples, the team will test approaches to boost these repair pathways so thymic epithelial cells can better produce new T cells. The aim is to shorten the prolonged period of low T cells after transplant and reduce infection and immune-complication risks.

Who could benefit from this research

Good fit: Ideal candidates are people who have received or will receive allogeneic hematopoietic stem cell transplantation and face prolonged T cell lymphopenia.

Not a fit: People without recent stem cell transplants or whose immune problems are unrelated to thymic damage are unlikely to see direct benefit.

Why it matters

Potential benefit: If successful, this work could speed immune recovery after stem cell transplants, lowering infection risk and improving outcomes for transplant recipients.

How similar studies have performed: Preclinical work has shown that IL-22 and BMP4 can support thymic repair, but translating these mechanisms into therapies for patients is still largely untested.

Where this research is happening

Seattle, 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 Cancer Treatment
Last reviewed 2026-06-13 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.