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ORKAMBI
Overview
What is ORKAMBI?
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: -(2,4-di-tert-butyl-5-hydroxyphenyl)-1,4-dihydro-4-oxoquinoline-3-carboxamide. The molecular formula for lumacaftor is CHFNO and for ivacaftor is CHNO. The molecular weights for lumacaftor and ivacaftor are 452.41 and 392.49, respectively. The structural formulas are:
Lumacaftor is a white to off-white powder that is practically insoluble in water (0.02 mg/mL). Ivacaftor is a white to off-white powder that is practically insoluble in water (<0.05 microgram/mL).
ORKAMBI is available as a pink, oval-shaped, film-coated tablet for oral administration containing 200 mg of lumacaftor and 125 mg of ivacaftor. Each ORKAMBI tablet contains 200 mg of lumacaftor and 125 mg of ivacaftor, and the following inactive ingredients: cellulose, microcrystalline; croscarmellose sodium; hypromellose acetate succinate; magnesium stearate; povidone; and sodium lauryl sulfate. The tablet film coat contains carmine, FD&C Blue #1, FD&C Blue #2, polyethylene glycol, polyvinyl alcohol, talc, and titanium dioxide. The printing ink contains ammonium hydroxide, iron oxide black, propylene glycol, and shellac.
ORKAMBI is also available as a pink, oval-shaped, film-coated tablet for oral administration containing 100 mg of lumacaftor and 125 mg of ivacaftor. Each ORKAMBI tablet contains 100 mg of lumacaftor and 125 mg of ivacaftor, and the following inactive ingredients: cellulose, microcrystalline; croscarmellose sodium; hypromellose acetate succinate; magnesium stearate; povidone; and sodium lauryl sulfate. The tablet film coat contains carmine, FD&C Blue #1, FD&C Blue #2, polyethylene glycol, polyvinyl alcohol, talc, and titanium dioxide. The printing ink contains ammonium hydroxide, iron oxide black, propylene glycol, and shellac.
What does ORKAMBI look like?
What are the available doses of ORKAMBI?
Tablets: 100 mg lumacaftor and 125 mg ivacaftor; supplied as pink, oval-shaped, film-coated, fixed-dose combination tablets containing 100 mg of lumacaftor and 125 mg of ivacaftor. Each tablet is printed with the characters "1V125" in black ink on one side and plain on the other.
Tablets: 200 mg lumacaftor and 125 mg ivacaftor; supplied as pink, oval-shaped, film-coated, fixed-dose combination tablets containing 200 mg of lumacaftor and 125 mg of ivacaftor. Each tablet is printed with the characters "2V125" in black ink on one side and plain on the other.
What should I talk to my health care provider before I take ORKAMBI?
How should I use ORKAMBI?
ORKAMBI is a combination of lumacaftor and ivacaftor indicated for the treatment of cystic fibrosis (CF) in patients age 6 years and older who are homozygous for the mutation in the gene. If the patient's genotype is unknown, an FDA-cleared CF mutation test should be used to detect the presence of the mutation on both alleles of the gene.
Examples of appropriate fat-containing foods include eggs, avocados, nuts, butter, peanut butter, cheese pizza, whole-milk dairy products (such as whole milk, cheese, and yogurt), etc. If a patient misses a dose and remembers the missed dose within 6 hours, the patient should take the dose with fat-containing food. If more than 6 hours elapsed after the usual dosing time, the patient should skip that dose and resume the normal schedule for the following dose. A double dose should not be taken to make up for the forgotten dose .
What interacts with ORKAMBI?
Sorry No Records found
What are the warnings of ORKAMBI?
Sorry No Records found
What are the precautions of ORKAMBI?
Sorry No Records found
What are the side effects of ORKAMBI?
Sorry No records found
What should I look out for while using ORKAMBI?
None.
What might happen if I take too much ORKAMBI?
There have been no reports of overdose with ORKAMBI.
The highest repeated dose was lumacaftor 1000 mg once daily/ivacaftor 450 mg q12h administered to 49 healthy subjects for 7 days in a trial evaluating the effect of ORKAMBI on electrocardiograms (ECGs). Adverse events reported at an increased incidence of ≥5% compared to the lumacaftor 600 mg/ivacaftor 250 mg dosing period and placebo included: headache (29%), transaminase increased (18%), and generalized rash (10%).
No specific antidote is available for overdose with ORKAMBI. Treatment of overdose consists of general supportive measures including monitoring of vital signs and observation of the clinical status of the patient.
How should I store and handle ORKAMBI?
Store at 20° to 25°C (68° to 77°F) [See USP Controlled Room Temperature]. The USP defines controlled room temperature as a temperature maintained thermostatically that encompasses the usual and customary working environment of 20° to 25°C (68° to 77°F); that results in a mean kinetic temperature calculated to be not more than 25°C; and that allows for excursions between 15° and 30°C (59° and 86°F) that are experienced in pharmacies, hospitals, and warehouses.ORKAMBI (lumacaftor 200 mg/ivacaftor 125 mg) is supplied as pink, oval-shaped tablets; each tablet contains 200 mg of lumacaftor and 125 mg of ivacaftor, printed with "2V125" in black ink on one side and plain on the other, and is packaged as follows:ORKAMBI (lumacaftor 100 mg/ivacaftor 125 mg) is supplied as pink, oval-shaped tablets; each tablet contains 100 mg of lumacaftor and 125 mg of ivacaftor, printed with "1V125" in black ink on one side and plain on the other, and is packaged as follows:ORKAMBI (lumacaftor 200 mg/ivacaftor 125 mg) is supplied as pink, oval-shaped tablets; each tablet contains 200 mg of lumacaftor and 125 mg of ivacaftor, printed with "2V125" in black ink on one side and plain on the other, and is packaged as follows:ORKAMBI (lumacaftor 100 mg/ivacaftor 125 mg) is supplied as pink, oval-shaped tablets; each tablet contains 100 mg of lumacaftor and 125 mg of ivacaftor, printed with "1V125" in black ink on one side and plain on the other, and is packaged as follows:
Clinical Information
Chemical Structure
No Image foundClinical Pharmacology
The CFTR protein is a chloride channel present at the surface of epithelial cells in multiple organs. The
mutation results in protein misfolding, causing a defect in cellular processing and trafficking that targets the protein for degradation and therefore reduces the quantity of CFTR at the cell surface. The small amount of F508del-CFTR that reaches the cell surface is less stable and has low channel-open probability (defective gating activity) compared to wild-type CFTR protein.
Lumacaftor improves the conformational stability of F508del-CFTR, resulting in increased processing and trafficking of mature protein to the cell surface. Ivacaftor is a CFTR potentiator that facilitates increased chloride transport by potentiating the channel-open probability (or gating) of the CFTR protein at the cell surface. studies have demonstrated that both lumacaftor and ivacaftor act directly on the CFTR protein in primary human bronchial epithelial cultures and other cell lines harboring the mutation to increase the quantity, stability, and function of F508del-CFTR at the cell surface, resulting in increased chloride ion transport. responses do not necessarily correspond to pharmacodynamic response or clinical benefit.
Non-Clinical Toxicology
None.Worsening of liver function, including hepatic encephalopathy, in patients with advanced liver disease has been reported. Liver function decompensation, including liver failure leading to death, has been reported in CF patients with pre-existing cirrhosis with portal hypertension while receiving ORKAMBI. Use ORKAMBI with caution in patients with advanced liver disease 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 dose should be reduced .
The following adverse reactions are discussed in greater detail in other sections of the label:
Reference
This information is obtained from the National Institute of Health's Standard Packaging Label drug database.
"https://dailymed.nlm.nih.gov/dailymed/"
While we update our database periodically, we cannot guarantee it is always updated to the latest version.
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