Understanding Tryptophan Metabolism in Fibroids

Tryptophan metabolism and its role in fibroid pathogenesis

NIH-funded research Lundquist Institute for Biomedical Innovation at Harbor-UCLA Medical Center · NIH-11112421

This research explores how a specific metabolic process called tryptophan metabolism contributes to the development of uterine fibroids, especially in African American women.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionLundquist Institute for Biomedical Innovation at Harbor-UCLA Medical Center NIH-funded
Lab location1 site (Torrance, United States)
Project IDNIH-11112421 on NIH RePORTER

What this research studies

Our team found that certain enzymes, TDO2 and IDO1, are much more active in fibroid tissues. We observed that the increase in TDO2 activity is particularly high in fibroids from African American women and in those with a specific genetic change called MED12 mutation. When we blocked TDO2 in lab-grown fibroid cells, we saw a decrease in their growth and in genes linked to fibroid development. This suggests that controlling tryptophan metabolism could be a new way to help manage fibroids.

Who could benefit from this research

Good fit: This research is relevant for patients with uterine fibroids, particularly African American women, who may be interested in understanding the underlying causes of their condition.

Not a fit: Patients without uterine fibroids or those not interested in the biological mechanisms of fibroid development may not directly benefit from this specific research.

Why it matters

Potential benefit: If successful, this work could lead to new treatments for uterine fibroids by targeting specific metabolic pathways, potentially offering more effective options, especially for African American women.

How similar studies have performed: While the role of tryptophan metabolism in fibroids is a relatively new area, similar approaches targeting metabolic pathways have shown promise in other disease contexts.

Where this research is happening

Torrance, 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.
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.