🏛️ Verified NIH Record • Updated 2026-04-17
Ivacaftor for Acquired CFTR Dysfunction in Chronic Rhinosinusitis (EDSPD Protocol) (NCT02997020)
🔵 Active, Not Recruiting Interventional Protocol 📊 Observational Clinical Research Sponsor: University of Alabama at Birmingham
🩺 Plain-English Summary (8th-Grade Level)
The purpose of this study is to establish the novel endoscopically-directed sinus potential difference (EDSPD) assay as an endpoint for therapy of sinus disease.
Who can join: Review the eligibility criteria below.
Location: University of Alabama at Birmingham — Birmingham, Alabama
Age range: 18 Years
🧪 Interventions in This Study
- EDSPD (OTHER)
📋 "Do I Qualify?" — 1-Minute Self Screener
Instant ChecklistFull eligibility criteria are available on the official NIH protocol. View the criteria ↗
📍 All Participating Trial Locations (1 Sites)
- University of Alabama at Birmingham — Birmingham, Alabama
💰 Cost, Insurance & Patient Rights
- 100% Free Items: The investigational treatment and protocol-required procedures are supplied at zero cost by the sponsor.
- Routine Patient Care: Under federal law (ACA § 2709) and many state statutes, routine care costs are covered during participation.
- Voluntary Participation: You may withdraw at any time without affecting your standard medical care.
Explore by condition: All CRS clinical trials
💡 How to Participate
- Check the checklist above to see if you may qualify.
- Review the official NIH record below to find the coordinating site.
- Ask about the visit schedule, what is covered at no cost, and any travel support.
- Confirm with your own doctor before making a decision.