• pediatric-ribbon
    KALYDECO® (ivacaftor) is approved for
    use in children with CF 2 years and older1

    KALYDECO is a cystic fibrosis transmembrane conductance regulator (CFTR) potentiator indicated for the treatment of cystic fibrosis (CF) in patients age 2 years and older who have one mutation in the CFTR gene that is responsive to ivacaftor potentiation based on clinical and/or in vitro assay data.

    If the patient’s genotype is unknown, an FDA-cleared CF mutation test should be used to detect the presence of a CFTR mutation followed by verification with bi‑directional sequencing when recommended by the mutation test instructions for use.

    Oral granules are for use in patients taking KALYDECO who are 2 to less than 6 years of age.

Indications and Usage

KALYDECO is a cystic fibrosis transmembrane conductance regulator (CFTR) potentiator indicated for the treatment of cystic fibrosis (CF) in patients age 2 years and older who have one mutation in the CFTR gene that is responsive to ivacaftor potentiation based on clinical and/or in vitro assay data.

If the patient’s genotype is unknown, an FDA-cleared CF mutation test should be used to detect the presence of a CFTR mutation followed by verification with bi‑directional sequencing when recommended by the mutation test instructions for use.

Important Safety Information

Transaminase (ALT or AST) Elevations

  • Elevated transaminases have been reported in patients with CF receiving KALYDECO. Transaminase elevations were more common in patients with a history of transaminase elevations or in patients who had abnormal transaminases at baseline. It is recommended that ALT and AST be assessed prior to initiating KALYDECO, every 3 months during the first year of treatment, and annually thereafter. For patients with a history of transaminase elevations, more frequent monitoring of liver function tests should be considered
  • Patients who develop increased transaminase levels should be closely monitored until the abnormalities resolve. Dosing should be interrupted in patients with ALT or AST of greater than 5 times the upper limit of normal (ULN). Following resolution of transaminase elevations, consider the benefits and risks of resuming KALYDECO dosing

Concomitant Use with CYP3A Inducers

  • Use of KALYDECO with strong CYP3A inducers, such as rifampin, substantially decreases the exposure of ivacaftor, which may reduce the therapeutic effectiveness of KALYDECO. Co-administration of KALYDECO with strong CYP3A inducers, such as rifampin, rifabutin, phenobarbital, carbamazepine, phenytoin, and St. John’s wort is not recommended

Cataracts

  • Cases of non-congenital lens opacities/cataracts have been reported in pediatric patients treated with KALYDECO. Baseline and follow-up ophthalmological examinations are recommended in pediatric patients initiating KALYDECO treatment

Pediatric Use

  • The safety and efficacy of KALYDECO in patients with CF younger than 2 years of age have not been studied. The use of KALYDECO in children under the age of 2 years is not recommended

Serious Adverse Reactions

  • Serious adverse reactions, whether considered drug-related or not by the investigators, which occurred more frequently in patients treated with KALYDECO included abdominal pain, increased hepatic enzymes, and hypoglycemia

Adverse Reactions

  • The most common adverse reactions in patients with a G551D mutation in the CFTR gene (Trials 1 and 2) with an incidence of ≥8% and at a higher incidence for patients treated with KALYDECO (N=109) than for placebo (N=104) were headache (24% vs 16%), oropharyngeal pain (22% vs 18%), upper respiratory tract infection (22% vs 14%), nasal congestion (20% vs 15%), abdominal pain (16% vs 13%), nasopharyngitis (15% vs 12%), diarrhea (13% vs 10%), rash (13% vs 7%), nausea (12% vs 11%), and dizziness (9% vs 1%)
  • The safety profiles for patients with a G1244E, G1349D, G178R, G551S, G970R, S1251N, S1255P, S549N, or S549R mutation enrolled in Trial 4, for patients with an R117H mutation enrolled in Trial 5, and for patients ages 2 to less than 6 years enrolled in Trial 6 were similar to that observed in Trials 1 and 2

Click here for KALYDECO (ivacaftor) full Prescribing Information.

References: 1. KALYDECO (ivacaftor) [prescribing information]. Boston, MA: Vertex Pharmaceuticals Incorporated; March 2015. 2. US Department of Agriculture. Agricultural Research Service. Nutrient Data Laboratory Web site. http://www.ndb.nal.usda.gov/ndb. Accessed November 3, 2014. 3. Data on file. Boston, MA: Vertex Pharmaceuticals Incorporated; 2015.

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