Lonafarnib
Generic Name: lonafarnib
Brand Names:
Zokinvy
11 DESCRIPTION ZOKINVY (lonafarnib) is a farnesyltransferase inhibitor. The chemical name for lonafarnib is 4-[2-[4-[(11R)-3,10-dibromo-8-chloro-6,11-dihydro-5H- benzo[1,2] cyclohepta [2,4-b]pyridin-11-yl]piperidin-1-yl]-2- oxoethyl]piperidine-1-carboxamide. Its molecular formula is C 27 H 31 Br 2 ClN 4 O 2 , molecular mass is 638.8 g/mol, and its chemical structure is depicted below.
Overview
11 DESCRIPTION ZOKINVY (lonafarnib) is a farnesyltransferase inhibitor. The chemical name for lonafarnib is 4-[2-[4-[(11R)-3,10-dibromo-8-chloro-6,11-dihydro-5H- benzo[1,2] cyclohepta [2,4-b]pyridin-11-yl]piperidin-1-yl]-2- oxoethyl]piperidine-1-carboxamide. Its molecular formula is C 27 H 31 Br 2 ClN 4 O 2 , molecular mass is 638.8 g/mol, and its chemical structure is depicted below.
Uses
1 INDICATIONS AND USAGE ZOKINVY is indicated in patients 12 months of age and older with a body surface area (BSA) of 0.39 m 2 and above: To reduce the risk of mortality in Hutchinson-Gilford Progeria Syndrome (HGPS) For the treatment of processing-deficient Progeroid Laminopathies with either: Heterozygous LMNA mutation with progerin-like protein accumulation Homozygous or compound heterozygous ZMPSTE24 mutations ZOKINVY is a farnesyltransferase inhibitor indicated in patients 12 months of age and older with a body surface area of 0.39 m 2 and above: ( 1 ) To reduce risk of mortality in Hutchinson-Gilford Progeria Syndrome. For treatment of processing-deficient Progeroid Laminopathies with either: Heterozygous LMNA mutation with progerin-like protein accumulation.
Dosage
2 DOSAGE AND ADMINISTRATION Start at 115 mg/m 2 twice daily with morning and evening meals. ( 2.1 ) After 4 months, increase to 150 mg/m 2 twice daily. ( 2.1 ) Round all total daily doses to nearest 25 mg increment. ( 2.1 ) See full prescribing information for dosage modifications due to adverse reactions. ( 2.2 ) See full prescribing information for preparation and administration instructions. ( 2.4 ) 2.1 Recommended Dosage The starting dosage of ZOKINVY for patients with a BSA of 0.39 m 2 and above is 115 mg/m 2 twice daily with morning and evening meals (see Table 1 ) to reduce the risk of gastrointestinal adverse reactions [see Adverse Reactions ( 6.1 )] .
Side Effects
6 ADVERSE REACTIONS The most common adverse reactions (incidence ≥25%) are vomiting, diarrhea, infection, nausea, decreased appetite, fatigue, upper respiratory tract infection, abdominal pain, musculoskeletal pain, electrolyte abnormalities, decreased weight, headache, myelosuppression, increased aspartate aminotransferase, decreased blood bicarbonate, cough, hypertension, and increased alanine aminotransferase. ( 6.1 ) To report SUSPECTED ADVERSE REACTIONS, contact Sentynl Therapeutics, Inc. at 1-888-507-5206 or zokinvysafety@sentynl.com or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch .
Interactions
7 DRUG INTERACTIONS QTc Interval Prolongation Drugs : Avoid concomitant use with ZOKINVY. ( 2.2 , 5.2 , 7.1 , 12.3 ) See full prescribing information for additional clinically significant drug interactions with ZOKINVY and recommended dosage modifications for drug interactions. ( 2.2 , 7 ) 7.1 Effect of Other Drugs on ZOKINVY Table 5 presents clinically significant drug interactions involving drugs that affect ZOKINVY. Table 5: Clinically Significant Drug Interactions (Drugs that Affect ZOKINVY) CYP3A Inhibitors Clinical Impact Lonafarnib is metabolized by CYP3A.
Warnings
5 WARNINGS AND PRECAUTIONS QTc Interval Prolongation : Increases the QTc interval. Avoid use in patients with symptomatic bradycardia, hypokalemia, or hypomagnesemia, and in combination with other drugs known to prolong the QTc interval. ( 5.1 ) Risk of Reduced Efficacy or Adverse Reactions Due to Drug Interactions : Prior to and during treatment, consider potential for drug interactions and review concomitant medications; monitor for adverse reactions. ( 5.2 , 7 ) Laboratory Abnormalities: Monitor for changes in electrolytes, complete blood counts, and liver enzymes. ( 5.3 ) Nephrotoxicity: Caused nephrotoxicity in rats. Monitor renal function at regular intervals. ( 5.4 , 13.2 ) Retinal Toxicity: Caused rod-dependent, low-light vision decline in monkeys. 4 CONTRAINDICATIONS ZOKINVY is contraindicated in patients taking: Strong CYP3A inhibitors [see Drug Interactions ( 7.1 )] Strong or moderate CYP3A inducers [see Drug Interactions ( 7.1 )] Midazolam [see Drug Interactions ( 7.2 )] Lovastatin, simvastatin, or atorvastatin [see Drug Interactions ( 7.2 )] Strong CYP3A inhibitors. ( 4 ) Strong or moderate CYP3A inducers. ( 4 ) Midazolam.
Pregnancy
8.1 Pregnancy Risk Summary Based on findings from animal studies, ZOKINVY can cause embryofetal harm when administered to a pregnant woman. There are no human data on ZOKINVY use in pregnant women to evaluate for a drug-associated risk of major birth defects, miscarriage or adverse maternal or fetal outcomes. Advise pregnant women of the risk to a fetus. In animal reproduction studies, oral administration of lonafarnib to pregnant rats during organogenesis produced embryo-fetal toxicity at exposures that were 1.2-times the human exposure at the recommended dose of 150 mg/m 2 twice daily.
Storage
16 HOW SUPPLIED/STORAGE AND HANDLING ZOKINVY is supplied as: 50 mg capsules: Size 4 hard capsule, opaque yellow with “LNF” and “50” printed in black. Bottles of 30 capsules each (NDC 42358-450-30) 75 mg capsules: Size 3 hard capsule, opaque light orange with “LNF and “75” printed in black.
Frequently Asked Questions
What is Lonafarnib used for?▼
1 INDICATIONS AND USAGE ZOKINVY is indicated in patients 12 months of age and older with a body surface area (BSA) of 0.39 m 2 and above: To reduce the risk of mortality in Hutchinson-Gilford Progeria Syndrome (HGPS) For the treatment of processing-deficient Progeroid Laminopathies with either: Heterozygous LMNA mutation with progerin-like protein accumulation Homozygous or compound heterozygous ZMPSTE24 mutations ZOKINVY is a farnesyltransferase inhibitor indicated in patients 12 months of age and older with a body surface area of 0.39 m 2 and above: ( 1 ) To reduce risk of mortality in Hutchinson-Gilford Progeria Syndrome. For treatment of processing-deficient Progeroid Laminopathies with either: Heterozygous LMNA mutation with progerin-like protein accumulation.
What are the side effects of Lonafarnib?▼
6 ADVERSE REACTIONS The most common adverse reactions (incidence ≥25%) are vomiting, diarrhea, infection, nausea, decreased appetite, fatigue, upper respiratory tract infection, abdominal pain, musculoskeletal pain, electrolyte abnormalities, decreased weight, headache, myelosuppression, increased aspartate aminotransferase, decreased blood bicarbonate, cough, hypertension, and increased alanine aminotransferase. ( 6.1 ) To report SUSPECTED ADVERSE REACTIONS, contact Sentynl Therapeutics, Inc. at 1-888-507-5206 or zokinvysafety@sentynl.com or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch .
Can I take Lonafarnib during pregnancy?▼
8.1 Pregnancy Risk Summary Based on findings from animal studies, ZOKINVY can cause embryofetal harm when administered to a pregnant woman. There are no human data on ZOKINVY use in pregnant women to evaluate for a drug-associated risk of major birth defects, miscarriage or adverse maternal or fetal outcomes. Advise pregnant women of the risk to a fetus. In animal reproduction studies, oral administration of lonafarnib to pregnant rats during organogenesis produced embryo-fetal toxicity at exposures that were 1.2-times the human exposure at the recommended dose of 150 mg/m 2 twice daily.
What are the important warnings for Lonafarnib?▼
5 WARNINGS AND PRECAUTIONS QTc Interval Prolongation : Increases the QTc interval. Avoid use in patients with symptomatic bradycardia, hypokalemia, or hypomagnesemia, and in combination with other drugs known to prolong the QTc interval. ( 5.1 ) Risk of Reduced Efficacy or Adverse Reactions Due to Drug Interactions : Prior to and during treatment, consider potential for drug interactions and review concomitant medications; monitor for adverse reactions. ( 5.2 , 7 ) Laboratory Abnormalities: Monitor for changes in electrolytes, complete blood counts, and liver enzymes. ( 5.3 ) Nephrotoxicity: Caused nephrotoxicity in rats. Monitor renal function at regular intervals. ( 5.4 , 13.2 ) Retinal Toxicity: Caused rod-dependent, low-light vision decline in monkeys. 4 CONTRAINDICATIONS ZOKINVY is contraindicated in patients taking: Strong CYP3A inhibitors [see Drug Interactions ( 7.1 )] Strong or moderate CYP3A inducers [see Drug Interactions ( 7.1 )] Midazolam [see Drug Interactions ( 7.2 )] Lovastatin, simvastatin, or atorvastatin [see Drug Interactions ( 7.2 )] Strong CYP3A inhibitors. ( 4 ) Strong or moderate CYP3A inducers. ( 4 ) Midazolam.
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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.