Dosages
Side effects in children
Warnings & precautions in children
Contra-indications in children

Interactions
PK
Renal impairment
References

Ivacaftor + Tezacaftor + Elexacaftor

Generic name
Ivacaftor + Tezacaftor + Elexacaftor
Brand name
ATC Code
R07AX32

Pharmacokinetics in children

Pharmacokinetic parameters for children ≥12 years [SmPC Kaftrio]:

  Dose Cmax (µg/ml)
Elexacaftor 200 mg/day 9,15 ± 2,09
Tezacaftor 100 mg/day 7,67 ± 1,68
Ivacaftor 150 mg/2 dd 1,24 ± 0,34

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dose recommendation of formulary compared to licensed use (on-label versus off-label)

No information is present at this moment.

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Available formulations

No information is present at this moment.

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General Dose Info

The dose should be adjusted when combined with Cyp3A4 inhibiting drugs or in hepatic impairment (see SmPC)


Dosages

Cystic fibrosis
  • Oral
    • 6 years up to 18 years and ≥ 30 kg
      • In the morning: ivacaftor / tezacaftor / elexacaftor: 150 / 100 / 200 mg/dosis 
        In the evening: ivacaftor: 150 mg/dosis

    • 6 years up to 18 years and < 30 kg
      • In the morning: ivacaftor / tezacaftor / elexacaftor: 75 / 50 / 100 mg/dosis 
        In the evening: ivacaftor: 75 mg/dosis

    • 2 years up to 6 years and 10 up to 14 kg
      • In the morning: ivacaftor / tezacaftor / elexacaftor: 60 / 40 / 80 mg/dosis 
        In the evening: ivacaftor: 59,5 mg/dosis

    • 2 years up to 6 years and ≥ 14 kg
      • In the morning: ivacaftor / tezacaftor / elexacaftor: 75 / 50 / 100 mg/dosis 
        In the evening: ivacaftor: 75 mg/dosis

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Renal impaiment in children > 3 months

No dose adjustment is recommended for patients with mild and moderate renal impairment.

[SmPC Kaftrio]

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The complete list of all undesirable drug reactions can be found in the national Summary of Product Characteristics (SmPC) – click here

Side effects in children

Side effects in children are comparable to those observed in adults. 

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The complete list of all contra-indications can be found in the national Summary of Product Characteristics (SmPC) – click here

Contra-indications

No information available on specific contra indications in children.

The complete list of all warnings and precautions can be found in the national Summary of Product Characteristics (SmPC) – click here

Warnings & precautions in children

Cataract: Ophthalmic examinations are recommended in children prior to and dureing treatment, as cases of cloudiness of the eye lens have been reportet [SmPC Kaftrio].

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Interactions

The complete list of all interactions can be found in the national Summary of Product Characteristics (SmPC) – click here

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Reference

  1. Vertex Pharmaceuticals (Ireland) Limited, SmPC Kaftrio (EU/1/20/1468/001) Rev 24. 24-10-2024, www.ema.europa.eu

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Changes

Changes