Nifurtimox

Treatment for Chagas Disease

Typical Dosage: 8-10 mg/kg/day for adults, 10-20 mg/kg/day for children, divided into 3 doses

Effectiveness
70%
Safety Score
30%
Clinical Trials
12
Participants
3K

Comparative Safety Scale(Higher is safer)

Cyanide☠️
Meth💀
Cigarettes🚬
Chemo☢️
Alcohol🍺
Morphine💊
Antibiotics💉
Tylenol💊
Exercise🏃
Water💧
30
DangerousModerateSafe
Treatment Details
Dosage Range
8-10 mg/kg/day for adults, 10-20 mg/kg/day for children, divided into 3 doses
Time to Effect
Weeks to months for parasiticidal effect, years for clinical benefit
Treatment Duration
60-90 days
Evidence Quality
HIGH
Number Needed to Harm (NNH)
4(Treat 4 patients to see 1 additional serious adverse event)
Confidence Score
80%confidence in effectiveness data
Health Economics
Annual Cost of Care
Drug Cost:$1,500
Monitoring:$2,750
Side Effect Mgmt:$1,000
Total Annual:$5,250
Cost-Effectiveness Analysis
Cost-Effectiveness Rating
EXCELLENT
ICER
$15,681/QALY
QALYs Gained
0.1
Outcome-Based Costs
Cost per Responder
$9,545
Cost per Remission
$15,000
Comparison vs Benznidazole
Cost Difference
+$500/year
More expensive
QALY Difference
-0.05 QALYs
Worse outcomes
Dominance
No dominance
Nifurtimox Outcomes

for Chagas Disease

Efficacy Outcomes
Overall Effectiveness
+70%
Response Rate
+55%
Remission Rate
+35%
Common Side Effects
Gastrointestinal disturbances (anorexia, nausea, vomiting, abdominal pain)
+65%
Neurological symptoms (dizziness, insomnia, headache)
+40%
Peripheral neuropathy
+15%
Skin reactions
+15%
Weight loss
+15%

WARNING: LIMITED TRIALS AVAILABLE

You can search for trials, but you probably can't join any because the 1% Treaty hasn't passed yet. Most trials are severely limited by lack of funding and bureaucratic barriers. Help change this!

Active Clinical Trials
1 active trial recruiting for Nifurtimox in Chagas Disease

An Observational Pregnancy Safety Study in Women Who Were Exposed to the Drug Nifurtimox During Pregnancy to Learn About the Risk of Pregnancy Complications and About the Mother's and Baby's Health

NCT05477953NOT YET RECRUITING
View Study
50 participants
OBSERVATIONAL
Multiple Locations, United States +9 more
Started: Jun 30, 2026
Completed Clinical Trials
9 completed trials for Nifurtimox in Chagas Disease

New Therapies and Biomarkers for Chagas Infection

NCT03981523COMPLETEDPHASE2
View Study
450 participants
INTERVENTIONAL
Cochabamba, Bolivia +2 more
Started: Dec 18, 2019

Study to Assess the Food Effect on the Pharmacokinetics of Nifurtimox Tablets in Chronic Chagas' Patients

NCT02606864COMPLETEDPHASE1
View Study
36 participants
INTERVENTIONAL
Buenos Aires, Argentina
Started: Dec 1, 2015

Study on Benefits of Therapy With Nifurtimox in Chagas Disease, a Parasitic Illness Mostly Transmitted to Humans by a Bug, Using Information From Patient Medical Records in Argentina

NCT03784391COMPLETED
View Study
3K participants
OBSERVATIONAL
Multiple Locations, Argentina
Started: Dec 14, 2018

Study Will Evaluate the Relative Bioavailability, Safety, and Tolerability of Single Doses of Nifurtimox 30 mg Tablets Exhibiting Different in Vitro Dissolution Characteristics, and to Evaluate the Relative Bioavailability of Nifurtimox 30 mg and 120 mg

NCT03350295COMPLETEDPHASE1
View Study
48 participants
INTERVENTIONAL
Buenos Aires, Argentina
Started: Jun 14, 2018

Study to Assess the Food Effect on the Pharmacokinetics of Nifurtimox Tablets in Chronic Chagas' Patients - Dietary Habits Study

NCT03334838COMPLETEDPHASE1
View Study
36 participants
INTERVENTIONAL
Buenos Aires, Argentina
Started: Jun 10, 2019

A Study to Learn How Well Nifurtimox Works and How Safe it is in Children Aged 0 to 17 Years With Chagas' Disease, an Inflammatory, Infectious Disease Caused by the Parasite Trypanosoma Cruzi

NCT02625974COMPLETEDPHASE3
View Study
330 participants
INTERVENTIONAL
La Plata, Argentina +24 more
Started: Jan 27, 2016

Study to Assess Bioequivalence of 30 and 120 mg Nifurtimox Tablets in Chronic Chagas' Patients

NCT01927224COMPLETEDPHASE1
View Study
37 participants
INTERVENTIONAL
Buenos Aires, Argentina
Started: Nov 1, 2013

Study Of Nifurtimox Transfer Into Breastmilk In Lactating Women With Chagas Disease

NCT01744405COMPLETED
View Study
12 participants
OBSERVATIONAL
Buenos Aires, Argentina
Started: Dec 1, 2012

Study to Assess Bioequivalence of a New Nifurtimox Oral Tablet Formulation

NCT03708133COMPLETEDPHASE1
View Study
24 participants
INTERVENTIONAL
Buenos Aires, Argentina
Started: Dec 5, 2018