Nifurtimox
Generic Name: nifurtimox
Brand Names:
Lampit
11 DESCRIPTION LAMPIT contains nifurtimox, an antiprotozoal. The chemical name is (E)-N-(3-Methyl-1,1-dioxidothiomorpholin-4-yl)-1-(5-nitro-2-furyl)methanimine. The molecular weight is 287.29 and the molecular formula is C 10 H 13 N 3 O 5 S. The structural formula is: LAMPIT (nifurtimox) tablets are yellow round, biconvex tablets, each containing 30 mg or 120 mg of nifurtimox, intended for oral use. The 30 mg tablets are functionally scored on one side and marked with ‘30’ on the other side.
Overview
11 DESCRIPTION LAMPIT contains nifurtimox, an antiprotozoal. The chemical name is (E)-N-(3-Methyl-1,1-dioxidothiomorpholin-4-yl)-1-(5-nitro-2-furyl)methanimine. The molecular weight is 287.29 and the molecular formula is C 10 H 13 N 3 O 5 S. The structural formula is: LAMPIT (nifurtimox) tablets are yellow round, biconvex tablets, each containing 30 mg or 120 mg of nifurtimox, intended for oral use. The 30 mg tablets are functionally scored on one side and marked with ‘30’ on the other side.
Uses
1 INDICATIONS AND USAGE LAMPIT is indicated in pediatric patients (birth to less than 18 years of age and weighing at least 2.5 kg) for the treatment of Chagas disease (American Trypanosomiasis) caused by Trypanosoma cruzi [see Clinical Studies ( 14 )]. LAMPIT is a nitrofuran antiprotozoal, indicated in pediatric patients (birth to less than 18 years of age and weighing at least 2.5 kg) for the treatment of Chagas disease (American Trypanosomiasis), caused by Trypanosoma cruzi . ( 1 )
Dosage
2 DOSAGE AND ADMINISTRATION • LAMPIT tablets must be taken with food ( 2.1 ) Dosage of LAMPIT in Pediatric Patients (birth a to less than 18 years of age) (2.2) Body Weight Group Total Daily Dose of nifurtimox (mg/kg) 41 kg or greater 8 to 10 Less than 41 kg 10 to 20 a Term newborn with body weight greater than or equal to 2.5 kg • Administer LAMPIT tablets orally, three times daily with food for 60 days. ( 2.2 ) • Obtain a pregnancy test in females of reproductive potential prior to initiating treatment with LAMPIT ( 2.3 , 8.3 ) . • See Full Prescribing Information for additional important administration instructions. ( 2.1 , 2.2 , 2.4, 2.5 ) 2.1 Important Administration Instructions • LAMPIT (30 mg and 120 mg) tablets are for oral use and must be taken with food.
Side Effects
6 ADVERSE REACTIONS The following serious or otherwise important adverse reactions are discussed elsewhere in the labeling: • Potential for Genotoxicity, Carcinogenicity, and Mutagenicity [see Warnings and Precautions ( 5.1 )] • Worsening of Neurological and Psychiatric Conditions [see Warnings and Precautions ( 5.3 )] • Hypersensitivity [see Warnings and Precautions ( 5.4 )] • Decreased Appetite and Weight Loss [see Warnings and Precautions ( 5.5 )] • Porphyria [see Warnings and Precautions ( 5.6 )] The most frequently reported adverse reactions (≥5%) are vomiting, abdominal pain, headache, decreased appetite, nausea, pyrexia, and rash. ( 6 ) To report SUSPECTED ADVERSE REACTIONS, contact Bayer HealthCare Pharmaceuticals Inc.
Interactions
7 DRUG INTERACTIONS Concomitant use of LAMPIT with alcohol may increase the incidence and severity of undesirable effects similar to other nitrofurans and nitroheterocyclic compounds. LAMPIT is contraindicated in patients who consume alcohol during treatment [see Dosage and Administration ( 2.2 ) Contraindications ( 4 )].
Warnings
5 WARNINGS AND PRECAUTIONS • Potential for Genotoxicity and Carcinogenicity. ( 5.1 ) • Embryo-Fetal Toxicity: May cause fetal harm. Pregnancy testing is recommended for females of reproductive potential. Advise females of reproductive potential of the potential risk to a fetus and to use effective contraception. Advise males to use condoms with female partners of reproductive potential. ( 2.3 , 5.2 , 8.1 , 8.3 ) • Worsening Neurological and Psychiatric Conditions: Patients with a history of brain injury, seizures, psychiatric disease, serious behavioral alterations may experience worsening of their conditions when receiving LAMPIT. Administer LAMPIT under close medical supervision in these patients or if neurological disturbances or psychiatric drug reactions occur. 4 CONTRAINDICATIONS LAMPIT tablets are contraindicated in: • Patients with known hypersensitivity to nifurtimox or any of the excipients in LAMPIT [see Warnings and Precautions ( 5.4 )]. • Patients who consume alcohol during treatment [see Drug Interactions ( 7 )] • Known hypersensitivity to nifurtimox or to any of the excipients in LAMPIT. ( 4 ) • Alcohol consumption during treatment. (4)
Pregnancy
8.1 Pregnancy Risk Summary Based on animal studies, LAMPIT may cause fetal harm when administered to a pregnant woman. Published postmarketing reports on nifurtimox use during pregnancy are insufficient to inform a drug-associated risk of birth defects and miscarriage. There are risks to the fetus associated with Chagas disease ( see Clinical Considerations).
Storage
16 HOW SUPPLIED/STORAGE AND HANDLING 16.1 How Supplied LAMPIT tablets are supplied as follows: • 30 mg, yellow, round, biconvex tablets, functionally scored on one side and marked with ‘30’ on the other side. • 120 mg, yellow, round, biconvex tablets, functionally scored on one side and marked with ‘120’ on the other side.
Frequently Asked Questions
What is Nifurtimox used for?▼
1 INDICATIONS AND USAGE LAMPIT is indicated in pediatric patients (birth to less than 18 years of age and weighing at least 2.5 kg) for the treatment of Chagas disease (American Trypanosomiasis) caused by Trypanosoma cruzi [see Clinical Studies ( 14 )]. LAMPIT is a nitrofuran antiprotozoal, indicated in pediatric patients (birth to less than 18 years of age and weighing at least 2.5 kg) for the treatment of Chagas disease (American Trypanosomiasis), caused by Trypanosoma cruzi . ( 1 )
What are the side effects of Nifurtimox?▼
6 ADVERSE REACTIONS The following serious or otherwise important adverse reactions are discussed elsewhere in the labeling: • Potential for Genotoxicity, Carcinogenicity, and Mutagenicity [see Warnings and Precautions ( 5.1 )] • Worsening of Neurological and Psychiatric Conditions [see Warnings and Precautions ( 5.3 )] • Hypersensitivity [see Warnings and Precautions ( 5.4 )] • Decreased Appetite and Weight Loss [see Warnings and Precautions ( 5.5 )] • Porphyria [see Warnings and Precautions ( 5.6 )] The most frequently reported adverse reactions (≥5%) are vomiting, abdominal pain, headache, decreased appetite, nausea, pyrexia, and rash. ( 6 ) To report SUSPECTED ADVERSE REACTIONS, contact Bayer HealthCare Pharmaceuticals Inc.
Can I take Nifurtimox during pregnancy?▼
8.1 Pregnancy Risk Summary Based on animal studies, LAMPIT may cause fetal harm when administered to a pregnant woman. Published postmarketing reports on nifurtimox use during pregnancy are insufficient to inform a drug-associated risk of birth defects and miscarriage. There are risks to the fetus associated with Chagas disease ( see Clinical Considerations).
What are the important warnings for Nifurtimox?▼
5 WARNINGS AND PRECAUTIONS • Potential for Genotoxicity and Carcinogenicity. ( 5.1 ) • Embryo-Fetal Toxicity: May cause fetal harm. Pregnancy testing is recommended for females of reproductive potential. Advise females of reproductive potential of the potential risk to a fetus and to use effective contraception. Advise males to use condoms with female partners of reproductive potential. ( 2.3 , 5.2 , 8.1 , 8.3 ) • Worsening Neurological and Psychiatric Conditions: Patients with a history of brain injury, seizures, psychiatric disease, serious behavioral alterations may experience worsening of their conditions when receiving LAMPIT. Administer LAMPIT under close medical supervision in these patients or if neurological disturbances or psychiatric drug reactions occur. 4 CONTRAINDICATIONS LAMPIT tablets are contraindicated in: • Patients with known hypersensitivity to nifurtimox or any of the excipients in LAMPIT [see Warnings and Precautions ( 5.4 )]. • Patients who consume alcohol during treatment [see Drug Interactions ( 7 )] • Known hypersensitivity to nifurtimox or to any of the excipients in LAMPIT. ( 4 ) • Alcohol consumption during treatment. (4)
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Medical Disclaimer
This drug information is for educational purposes only and should not replace professional medical advice. Drug information is sourced from the FDA National Drug Code Directory and Structured Product Labeling. Always consult with a healthcare provider before starting, stopping, or changing any medication.