Investigating a transporter that affects a toxic compound in certain genetic diseases

The ABCG2 transporter in protoporphyrin IX disposition: from toxicity to therapy

NIH-funded research University of Pittsburgh at Pittsburgh · NIH-11083696

This study is looking for new ways to help people with erythropoietic protoporphyria (EPP) and X-linked protoporphyria (XLP) by creating treatments that can reduce the harmful effects of a substance called protoporphyrin IX, which can cause serious skin and liver issues.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of Pittsburgh at Pittsburgh NIH-funded
Lab location1 site (Pittsburgh, United States)
Project IDNIH-11083696 on NIH RePORTER

What this research studies

This research focuses on two genetic conditions, erythropoietic protoporphyria (EPP) and X-linked protoporphyria (XLP), which cause harmful effects due to a compound called protoporphyrin IX (PPIX). The researchers aim to develop new treatments by targeting a specific protein, ABCG2, that influences how PPIX is processed in the body. By creating inhibitors of ABCG2, they hope to reduce the toxic effects of PPIX, which can lead to severe skin and liver problems. The study involves synthesizing and testing these inhibitors for their effectiveness and safety in managing the toxicities associated with these conditions.

Who could benefit from this research

Good fit: Ideal candidates for this research are individuals diagnosed with erythropoietic protoporphyria or X-linked protoporphyria.

Not a fit: Patients without these specific genetic conditions or those not affected by PPIX-mediated toxicities may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to new therapies that significantly reduce the harmful effects of PPIX in patients with EPP and XLP.

How similar studies have performed: Previous research has shown promise in targeting similar transporters for managing toxicities, suggesting a potential for success in this novel approach.

Where this research is happening

Pittsburgh, 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.