Targeting a parasite enzyme to find new Chagas disease medicines

Validation of Trypanosoma cruzi dihydroorotate dehydrogenase as a drug target for Chagas´disease.

NIH-funded research University of Sao Paulo · NIH-11143812

Trying to block a key enzyme in the Chagas parasite to create new medicines for people with Chagas disease.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of Sao Paulo NIH-funded
Lab location1 site (Sao Paulo, Brazil)
Project IDNIH-11143812 on NIH RePORTER

What this research studies

Researchers are searching for chemical compounds that stop an essential enzyme in the Trypanosoma cruzi parasite, which causes Chagas disease. They combine computer modeling, lab tests of the enzyme, 3D structural studies, parasite experiments, and medicinal chemistry to find molecules that fit and block the enzyme selectively. The work aims to produce promising lead compounds that can later be turned into drugs. This is preclinical laboratory research rather than a patient treatment program.

Who could benefit from this research

Good fit: This project does not enroll patients, but people with chronic or treatment-resistant Chagas disease would be the intended future beneficiaries of any resulting medicines.

Not a fit: People without Chagas disease or those with irreversible organ damage from very advanced disease may not directly benefit from this early drug-discovery work.

Why it matters

Potential benefit: If successful, this work could lead to new drugs that treat chronic or drug-resistant Chagas disease.

How similar studies have performed: DHODH has been targeted successfully in other infectious and proliferative diseases, but applying DHODH inhibition to T. cruzi is relatively new and still at the preclinical stage.

Where this research is happening

Sao Paulo, Brazil

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 Animal Disease Models
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.