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Cystic Fibrosis CFTR Modulator Therapy

Targeted small molecules that restore CFTR protein function in cystic fibrosis.

Written by: Saygı Hospital Health Guide Editorial Board
Published:

This content is for general information; please consult your physician for diagnosis and treatment.

References (5)

This content is for informational purposes only and does not constitute medical advice. You can book an appointment at our Göğüs Hastalıkları department. Book Appointment →

What is Cystic Fibrosis CFTR Modulator Therapy?

Cystic fibrosis (CF) is an autosomal recessive disorder caused by mutations in the CFTR gene, leading to defective chloride and bicarbonate transport, viscous airway secretions, recurrent infections, pancreatic insufficiency, and progressive lung disease.

CFTR modulators are small-molecule therapies that target the underlying molecular defect: potentiators (ivacaftor) increase channel gating, while correctors (lumacaftor, tezacaftor, elexacaftor) improve protein folding and trafficking; the triple-combination elexacaftor/tezacaftor/ivacaftor benefits the majority of patients with at least one F508del allele.

These therapies improve lung function, reduce pulmonary exacerbations, decrease sweat chloride, improve weight, and prolong survival, redefining the natural history of CF and the focus of multidisciplinary care.

Symptoms

Chronic productive cough
Recurrent pulmonary exacerbations
Pancreatic insufficiency and steatorrhea
Failure to thrive in children
Salty taste of skin
Nasal polyps and chronic sinusitis
Male infertility from absent vas deferens

Risk Factors

Family history of cystic fibrosis
Both parents are CFTR carriers
Specific population ancestry (Northern European)
Newborn screening positive for elevated trypsinogen
Previous CF diagnosis with eligible mutations
Prior pulmonary exacerbations
Pancreatic insufficiency and chronic infections

When to See a Doctor?

If you experience any of the following symptoms, seek medical attention promptly:

  • Confirmed cystic fibrosis diagnosis
  • Discussion of modulator eligibility based on genotype
  • Recurrent exacerbations on standard therapy
  • Declining lung function on routine therapy
  • Pregnancy planning in CF patients
  • Family planning and carrier screening
  • Adverse effects on current modulator therapy

Treatment Methods

01
Genotype testing to determine modulator eligibility
02
Elexacaftor/tezacaftor/ivacaftor for eligible mutations
03
Liver function and ophthalmologic monitoring
04
Continued airway clearance and antibiotics
05
Pancreatic enzyme replacement and nutrition
06
Mental health support and adherence assessment
07
Long-term registry follow-up and outcome tracking

Which Department to Visit?

You can visit our Göğüs Hastalıkları department for these complaints. Our specialist physicians will create the most suitable treatment plan for you.

Learn About Göğüs Hastalıkları Department

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Health Disclaimer: The information on this page is prepared for general informational purposes only. It does not replace medical diagnosis and treatment. Please consult your physician for your complaints. Saygı Hospital does not accept responsibility for actions taken based on the information on this page.