Related Experiment Video
Updated: Aug 24, 2026

Sexual Transmission of American Trypanosomes from Males and Females to Naive Mates
Published on: January 27, 2019
New Approaches for the Treatment of Chagas Disease
Ramendra Pati Pandey1, Marilda Savoia Nascimento2, Catrin E Moore3
1Centre for Drug Design Discovery and Development (C4D), SRM University, DelhiNCR, Rajiv Gandhi Education City, Sonepat - 131 029, Haryana, India.
Insights
Drug repurposing shows promise for treating Chagas disease. Combining existing drugs with benznidazole may offer a safer, more effective chronic phase treatment, potentially reducing toxicity via nanoparticle formulations.
Area of Science:
- Neglected tropical diseases
- Parasitology
- Drug discovery and development
Background:
- Chagas disease affects millions, primarily in Latin America, causing severe cardiac complications.
- Current treatments (benznidazole, nifurtimox) have limited efficacy in the chronic phase, exhibit frequent side effects, and face drug resistance.
- Chagas disease management represents a significant healthcare cost, particularly in Brazil's public health system.
Purpose of the Study:
- To explore the potential of drug repurposing for treating chronic Chagas disease.
- To evaluate the efficacy of combined drug regimens, specifically repurposing drugs with benznidazole.
- To investigate nanoparticle formulations for reduced toxicity and improved therapeutic outcomes in Chagas disease treatment.
Main Methods:
- In vitro and animal model studies are proposed to assess treatment efficacy.
- Research will focus on drug combinations and nanoparticle drug delivery systems.
- The study aims to validate findings before proceeding to human clinical trials.
Main Results:
- Hypothesizes that combined drug therapy with benznidazole will be more effective than benznidazole alone.
- Suggests nanoparticle formulations could decrease drug toxicity and enhance therapeutic utility.
- Further research is required to confirm these hypotheses in preclinical models.
Conclusions:
- Drug repurposing presents a viable strategy for developing improved Chagas disease therapies.
- Combination therapies and novel drug delivery systems like nanoparticles hold potential for safer and more effective treatment.
- Preclinical validation is crucial to advance new Chagas disease treatment options.
Abstract:
Chagas disease, caused by the protozoan Trypanosoma cruzi is a neglected tropical disease with high prevalence (5.7 million in Latin America, WHO 2015), significant burden, and significant morbimortality mostly due to severe heart disorders during the chronic phase of infection. Chagas disease is endemic in Latin America, and medical care for the disease is the major expense for Brazil's Universal Healthcare System (Sistema Único de Saúde (SUS). The efficacy of the available drugs benznidazole and nifurtimox are low for the chronic phase of Chagas disease, the phase in which most patients are diagnosed, and there are frequent side effects, and drug resistance occurs. The rapid deployment of new drug regimens that are effective for the chronic phase treatment is low-cost and less toxic than the currently available therapy, which is a global priority. Repurposing drugs already in clinical use with other combinations would be the fastest and safest strategy for treating Chagas disease patients. We hypothesize that the combined treatment using repurposing drugs with benznidazole will be more efficacious than benznidazole alone. This needs to be tested further both in vitro and in animal models to understand the efficacy of the treatment before performing human clinical trials. We further hypothesize that producing nanoparticle formulation of the drugs can reduce their toxicity and improve therapeutic use.
Related Concept Videos
Microorganisms in Medicine and Therapeutics
American Trypanosomiasis
Anthelminthic Agents
Antiprotozoal Agents

