Lumacaftor And Ivacaftor
Generic Name: lumacaftor and ivacaftor
Brand Names:
Orkambi
11 DESCRIPTION The active ingredients in ORKAMBI tablets are lumacaftor, which has the following chemical name: 3-[6-({[1-(2,2-difluoro-1,3-benzodioxol-5-yl)cyclopropyl]carbonyl}amino)-3-methylpyridin-2-yl]benzoic acid, and ivacaftor, a CFTR potentiator, which has the following chemical name: N -(2,4-di-tert-butyl-5-hydroxyphenyl)-1,4-dihydro-4-oxoquinoline-3-carboxamide. The molecular formula for lumacaftor is C 24 H 18 F 2 N 2 O 5 and for ivacaftor is C 24 H 28 N 2 O 3 .
Overview
11 DESCRIPTION The active ingredients in ORKAMBI tablets are lumacaftor, which has the following chemical name: 3-[6-({[1-(2,2-difluoro-1,3-benzodioxol-5-yl)cyclopropyl]carbonyl}amino)-3-methylpyridin-2-yl]benzoic acid, and ivacaftor, a CFTR potentiator, which has the following chemical name: N -(2,4-di-tert-butyl-5-hydroxyphenyl)-1,4-dihydro-4-oxoquinoline-3-carboxamide. The molecular formula for lumacaftor is C 24 H 18 F 2 N 2 O 5 and for ivacaftor is C 24 H 28 N 2 O 3 .
Uses
1 INDICATIONS AND USAGE ORKAMBI is indicated for the treatment of cystic fibrosis (CF) in patients aged 1 year and older who are homozygous for the F508del mutation in the CFTR gene. If the patient's genotype is unknown, an FDA-cleared CF mutation test should be used to detect the presence of the F508del mutation on both alleles of the CFTR gene. ORKAMBI is a combination of ivacaftor, a cystic fibrosis transmembrane conductance regulator (CFTR) potentiator, and lumacaftor, indicated for the treatment of cystic fibrosis (CF) in patients aged 1 year and older who are homozygous for the F508del mutation in the CFTR gene. If the patient's genotype is unknown, an FDA-cleared CF mutation test should be used to detect the presence of the F508del mutation on both alleles of the CFTR gene.
Dosage
2 DOSAGE AND ADMINISTRATION Age Group Weight Dose Administration 1 through 2 years 7 kg to < 9 kg 1 packet of lumacaftor 75 mg/ivacaftor 94 mg granules Mixed with one teaspoon (5 mL) of soft food or liquid and administered orally every 12 hours with fat-containing food 9 kg to < 14 kg 1 packet of lumacaftor 100 mg/ivacaftor 125 mg granules ≥14 kg 1 packet of lumacaftor 150 mg/ivacaftor 188 mg granules 2 through 5 years <14 kg 1 packet of lumacaftor 100 mg/ivacaftor 125 mg granules ≥14 kg 1 packet of lumacaftor 150 mg/ivacaftor 188 mg granules 6 through 11 years - 2 tablets of lumacaftor 100 mg/ivacaftor 125 mg (lumacaftor 200 mg/ivacaftor 250 mg per dose) Taken orally every 12 hours with fat-containing food 12 years and older - 2 tablets of lumacaftor 200 mg/ivacaftor 125 mg (lumacaftor 40...
Side Effects
6 ADVERSE REACTIONS The following adverse reactions are discussed in greater detail in other sections of the label: Use in Patients with Advanced Liver Disease [see Warnings and Precautions (5.1) ] Liver-related Events [see Warnings and Precautions (5.2) ] Hypersensitivity Reactions, Including Anaphylaxis [see Warnings and Precautions (5.3) ] Intracranial Hypertension [see Warnings and Precautions (5.4) ] Respiratory Events [see Warnings and Precautions (5.5) ] Effect on Blood Pressure [see Warnings and Precautions (5.6) ] Cataracts [see Warnings and Precautions (5.8) ] The most common adverse reactions to ORKAMBI (occurring in ≥5% of patients with CF homozygous for the F508del mutation in the CFTR gene) were dyspnea, nasopharyngitis, nausea, diarrhea, upper respiratory tract infection, fa...
Interactions
5.7 Drug Interactions Substrates of CYP3A Lumacaftor is a strong inducer of CYP3A. Administration of ORKAMBI may decrease systemic exposure of medicinal products that are substrates of CYP3A, which may decrease therapeutic effect. Co-administration with sensitive CYP3A substrates or CYP3A substrates with a narrow therapeutic index is not recommended. ORKAMBI may substantially decrease hormonal contraceptive exposure, reducing their effectiveness and increasing the incidence of menstruation-associated adverse reactions, e.g., amenorrhea, dysmenorrhea, menorrhagia, menstrual irregular (27% in women using hormonal contraceptives compared with 3% in women not using hormonal contraceptives).
Warnings
5 WARNINGS AND PRECAUTIONS Use in patients with advanced liver disease: ORKAMBI should be used with caution in these patients and only if the benefits are expected to outweigh the risks. If ORKAMBI is used in these patients, they should be closely monitored after the initiation of treatment and the dosage should be reduced. Liver function decompensation, including liver failure leading to death, has been reported in CF patients with pre-existing cirrhosis with portal hypertension. ( 2.2 , 5.1 , 6.1 ) Liver-related events: Elevated transaminases (ALT/AST) have been observed in some cases associated with elevated bilirubin. Measure serum transaminases and bilirubin before initiating ORKAMBI, every 3 months during the first year of treatment, and annually thereafter. 4 CONTRAINDICATIONS None. None. ( 4 )
Pregnancy
8.1 Pregnancy Risk Summary There are limited and incomplete human data from clinical trials and postmarketing reports on use of ORKAMBI or its individual components, lumacaftor or ivacaftor, in pregnant women to inform a drug-associated risk. In animal reproduction studies, oral administration of lumacaftor to pregnant rats and rabbits during organogenesis demonstrated no adverse effects on fetal development at doses that produced maternal exposures up to approximately 8 (rats) and 5 (rabbits) times the exposure at the maximum recommended human dose (MRHD).
Storage
Store at 20°C - 25°C (68°F - 77°F); excursions permitted to 15°C - 30°C (59°F - 86°F) [see USP Controlled Room Temperature].
Frequently Asked Questions
What is Lumacaftor And Ivacaftor used for?▼
1 INDICATIONS AND USAGE ORKAMBI is indicated for the treatment of cystic fibrosis (CF) in patients aged 1 year and older who are homozygous for the F508del mutation in the CFTR gene. If the patient's genotype is unknown, an FDA-cleared CF mutation test should be used to detect the presence of the F508del mutation on both alleles of the CFTR gene. ORKAMBI is a combination of ivacaftor, a cystic fibrosis transmembrane conductance regulator (CFTR) potentiator, and lumacaftor, indicated for the treatment of cystic fibrosis (CF) in patients aged 1 year and older who are homozygous for the F508del mutation in the CFTR gene. If the patient's genotype is unknown, an FDA-cleared CF mutation test should be used to detect the presence of the F508del mutation on both alleles of the CFTR gene.
What are the side effects of Lumacaftor And Ivacaftor?▼
6 ADVERSE REACTIONS The following adverse reactions are discussed in greater detail in other sections of the label: Use in Patients with Advanced Liver Disease [see Warnings and Precautions (5.1) ] Liver-related Events [see Warnings and Precautions (5.2) ] Hypersensitivity Reactions, Including Anaphylaxis [see Warnings and Precautions (5.3) ] Intracranial Hypertension [see Warnings and Precautions (5.4) ] Respiratory Events [see Warnings and Precautions (5.5) ] Effect on Blood Pressure [see Warnings and Precautions (5.6) ] Cataracts [see Warnings and Precautions (5.8) ] The most common adverse reactions to ORKAMBI (occurring in ≥5% of patients with CF homozygous for the F508del mutation in the CFTR gene) were dyspnea, nasopharyngitis, nausea, diarrhea, upper respiratory tract infection, fa...
Can I take Lumacaftor And Ivacaftor during pregnancy?▼
8.1 Pregnancy Risk Summary There are limited and incomplete human data from clinical trials and postmarketing reports on use of ORKAMBI or its individual components, lumacaftor or ivacaftor, in pregnant women to inform a drug-associated risk. In animal reproduction studies, oral administration of lumacaftor to pregnant rats and rabbits during organogenesis demonstrated no adverse effects on fetal development at doses that produced maternal exposures up to approximately 8 (rats) and 5 (rabbits) times the exposure at the maximum recommended human dose (MRHD).
What are the important warnings for Lumacaftor And Ivacaftor?▼
5 WARNINGS AND PRECAUTIONS Use in patients with advanced liver disease: ORKAMBI should be used with caution in these patients and only if the benefits are expected to outweigh the risks. If ORKAMBI is used in these patients, they should be closely monitored after the initiation of treatment and the dosage should be reduced. Liver function decompensation, including liver failure leading to death, has been reported in CF patients with pre-existing cirrhosis with portal hypertension. ( 2.2 , 5.1 , 6.1 ) Liver-related events: Elevated transaminases (ALT/AST) have been observed in some cases associated with elevated bilirubin. Measure serum transaminases and bilirubin before initiating ORKAMBI, every 3 months during the first year of treatment, and annually thereafter. 4 CONTRAINDICATIONS None. None. ( 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.