Status:

COMPLETED

BENEFIT: Evaluation of the Use of Antiparasital Drug (Benznidazole) in the Treatment of Chronic Chagas' Disease

Lead Sponsor:

Population Health Research Institute

Collaborating Sponsors:

Canadian Institutes of Health Research (CIHR)

World Health Organization

Conditions:

Chagas Disease

Trypanosomiasis

Eligibility:

All Genders

18-75 years

Phase:

PHASE3

Brief Summary

Evaluate if benznidazole, an antiparasite drug, given at a dose calculated as 5mg/kg/day for 60 days, now administered as a fixed daily dose of 300mg during 40 to 80 days of treatment - period adjuste...

Detailed Description

A randomized double-blind controlled clinical trial investigating the role of benznidazole in patients with chronic Chagas' heart disease. Chagas disease has 3 phases: acute, undetermined and chronic...

Eligibility Criteria

Inclusion

  • Consenting patients (between 18 and 75 years of age) with serological evidence of Chagas infection (any combination of 2 positive tests) and that have one or more of the following:
  • Abnormal electrocardiogram with at least two components (complete RBBB or LBBB; left anterior or posterior fascicular block; ventricular premature beat; first degree atrioventricular \[AV\] block; Mobitz type I AV block; sinus bradycardia; primary ST-T changes; abnormal Q waves; low voltage QRS; or atrial fibrillation);
  • Abnormal ECG (Mobitz type II, advanced or third degree AV block);
  • Increased cardiothoracic ratio (\> 0.50);
  • Complex ventricular arrythmias on 24 hour ambulatory ECG monitoring;
  • Evidence of regional wall motion abnormality or reduced global left ventricular systolic function or increased left ventricular and diastolic diameter on 2D-Echo.

Exclusion

  • Patients will be excluded if having:
  • NYHA heart failure class IV or decompensated heart failure
  • Evidence of concomitant coronary artery disease (CAD) or other etiology of dilated cardiomyopathy
  • Previous treatment with antitrypanosomal agents or an accepted indication for antiparasitic therapy
  • Inability to comply with follow-up visits
  • History of severe alcohol abuse within 2 years
  • Known chronic renal or hepatic insufficiency or hepatic insufficiency
  • Pregnancy or breast feeding
  • Megaesophagus with swallowing impairment
  • Other severe disease significantly curtailing life expectancy

Key Trial Info

Start Date :

November 1 2004

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

August 1 2015

Estimated Enrollment :

2854 Patients enrolled

Trial Details

Trial ID

NCT00123916

Start Date

November 1 2004

End Date

August 1 2015

Last Update

March 3 2020

Active Locations (47)

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Page 1 of 12 (47 locations)

1

BENEFIT Ivestigational Site

Buenos Aires, Apital Federal, Argentina, 3556

2

BENEFIT Investigational Site

Belén de Escobar, Buenos Aires, Argentina, 1753

3

BENEFIT Investigational Site

Isidro Casanova, Buenos Aires, Argentina, 1282

4

BENEFIT Investigational Site

San Juan, Buenos Aires, Argentina, 1625