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Chagas disease in the United States: a call for increased investment and collaborative research

Nelson Iván Agudelo Higuita1,2, Norman L Beatty3,4, Colin Forsyth5

  • 1Department of Medicine, Section of Infectious Diseases, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA.

Lancet Regional Health. Americas
|May 27, 2024
PubMed

Insights

Chagas disease, caused by Trypanosoma cruzi, affects 300,000 in the U.S. Research and public health initiatives are crucial for developing diagnostics, treatments, and understanding genetic variations for better patient outcomes.

Area of Science:

  • Neglected tropical diseases
  • Parasitic infections
  • American trypanosomiasis

Background:

  • Chagas disease, caused by Trypanosoma cruzi, is a significant public health concern in the United States, affecting an estimated 300,000 individuals.
  • The disease often remains asymptomatic for years, progressing to severe complications like cardiomyopathy in 30-40% of cases.
  • While prevalent in Latin America, local vector transmission in the southern U.S. and diagnostic/treatment challenges highlight its overlooked status.

Purpose of the Study:

  • To emphasize the critical need for enhanced research and public health initiatives in the United States concerning Chagas disease.
  • To highlight the role of U.S. research institutions in advancing treatment and diagnostic biomarker development.
  • To underscore the importance of investigating Trypanosoma cruzi genetic variations between North and South America for improved strategies.

Main Methods:

  • This viewpoint discusses current challenges and proposes future research directions.
  • It emphasizes the need for a multi-faceted approach involving public health programs and institutional research.
  • Analysis of genetic variations in Trypanosoma cruzi is proposed as a key methodological area.

Main Results:

  • Chagas disease poses a significant, yet underestimated, health burden in the U.S. with substantial long-term complications.
  • Current diagnostic and treatment access is limited, with gaps in healthcare systems and understanding of disease pathogenesis.
  • Genetic diversity of Trypanosoma cruzi is a critical factor influencing disease presentation and treatment efficacy.

Conclusions:

  • Urgent implementation of national and local programs is required to bolster healthcare responses for Chagas disease.
  • Focused research by U.S. institutions is vital for developing novel treatments and reliable biomarkers.
  • Understanding Trypanosoma cruzi genetic variations is essential for refining diagnostic and therapeutic approaches in the U.S.

Keywords:
Chagas diseaseNeglected tropical diseasesTrypanosoma cruzi

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