Clinical trial Recruiting at 9 sites Observational Ages 18 to 99

Examining the effects of sinus surgery on cystic fibrosis patients

Official title: The Impact of Sinus Surgery in the Era of Highly Effective Modulatory Therapy

Run by University of California, Los Angeles · NCT04469439 · Data updated 2026-11-12

This study is testing whether sinus surgery can improve health and quality of life for cystic fibrosis patients who have ongoing sinus problems, compared to those just getting medical treatment.

More Cystic Fibrosis trials

Quick facts

Study typeObservational
Ages18 Years to 99 Years
SexAll
Enrollment170 (estimated)
SponsorUniversity of California, Los Angeles
Academic / other
Locations9 sites (Los Angeles, California and 8 other locations)
StatusRecruiting
StartedJuly 1, 2020
Main results expectedJanuary 31, 2027
Study endsJanuary 31, 2027
Registry record updatedSeptember 10, 2026
Trial IDNCT04469439 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are adults aged 18 to 99 with cystic fibrosis and chronic rhinosinusitis symptoms that persist despite medical treatment.

Probably not a fit

Patients who have undergone endoscopic sinus surgery in the past year or those unable to complete follow-up surveys may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This observational study investigates the outcomes of endoscopic sinus surgery in patients with cystic fibrosis who suffer from chronic rhinosinusitis. It includes a control group of patients receiving medical treatment for their condition. The study will assess various outcomes, including pulmonary function and quality of life, to determine the impact of surgical intervention compared to medical management. Participants will be monitored over time to evaluate their health status and treatment preferences.

Why it matters

Potential benefit: If successful, this study could improve treatment strategies for cystic fibrosis patients suffering from chronic rhinosinusitis, enhancing their quality of life.

How similar studies have gone: Other studies have shown promising results regarding the benefits of sinus surgery in cystic fibrosis patients, suggesting that this approach may be effective.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

1. Subjects between the ages of 18 years old (inclusive) and 99 years old (inclusive, subjects over the age of 89 will be recorded to be 89 years old).
2. Diagnosed with cystic fibrosis as established by genetic testing combined with clinical assessment and/or sweat chloride
3. Diagnosed with chronic rhinosinusitis by multidisciplinary sinusitis guidelines
4. chronic rhinosinusitis symptoms persisting beyond initial medical treatment
5. Counseled for endoscopic sinus surgery and ongoing medical therapy with each patient electing their preferred treatment

Exclusion Criteria:

1. Underwent endoscopic sinus surgery in past 12 months
2. Will obtain follow up care at non-participating institutions
3. Unable to complete follow-up surveys

Where it's running

  • University of California, Los Angeles
    Los Angeles, California, United States
    Recruiting
  • Stanford University
    Stanford, California, United States
    Recruiting
  • University of Colorado
    Aurora, Colorado, United States
    Recruiting
  • National Jewish Health
    Denver, Colorado, United States
    Recruiting
  • University of North Carolina
    Chapel Hill, North Carolina, United States
    Recruiting
  • Oregon Health Science University
    Portland, Oregon, United States
    Recruiting
Show 3 more locations
  • Medical University of South Carolina
    Charleston, South Carolina, United States
    Recruiting
  • Vanderbilt University Medical Center
    Nashville, Tennessee, United States
    Recruiting
  • University of Utah
    Salt Lake City, Utah, United States
    Recruiting

Study contacts

  • Principal investigator: Daniel M Beswick, MD — University of California, Los Angeles
  • Study coordinator: Daniel M Beswick, MD
  • Email: dbeswick@mednet.ucla.edu
  • Phone: 310-206-8457

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.