๐Ÿ›๏ธ Verified NIH Record โ€ข Updated 2026-01-05

Estimating Risk of Respiratory Infections Attributable to CFTR Heterozygosity (NCT05474430)

Estimating the Risk for and Severity of Respiratory Infections Attributable to CFTR Heterozygosity

๐ŸŸข Recruiting Interventional Protocol ๐Ÿ“Š Observational Clinical Research Sponsor: Philip Polgreen

๐Ÿฉบ Plain-English Summary (8th-Grade Level)

A research team member will brush the inferior surface of the subjects' middle turbinate (nasal cavity) using a cytology brush to obtain the cells needed to perform our functional respiratory assays. An individual trained in phlebotomy will draw one 3 ml lavender top tube of blood to test c-reactive protein, calprotectin, and lactoferrin. They will also draw a 5 ml gold top serum separator tube of blood to test fibroblast growth factor-19. The participant will answer questions from the baseline survey and report their current medications interview-style with the research team member.

Who can join: Review the eligibility criteria below.

Location: University of Iowa Hospitals and Clinics โ€” Iowa City, Iowa

Age range: 18 Years to 100 Years

๐Ÿ“‹ "Do I Qualify?" โ€” 1-Minute Self Screener

Instant Checklist

Full eligibility criteria are available on the official NIH protocol. View the criteria โ†—

๐Ÿ“ All Participating Trial Locations (1 Sites)

  • University of Iowa Hospitals and Clinics โ€” Iowa City, Iowa

๐Ÿ“ž Contact the Study Coordinator

Phone: (319) 384-6194

Email: philip-polgreen@uiowa.edu

Coordinator details come directly from the registered NIH protocol. Confirm the study is still recruiting before traveling.

๐Ÿ’ฐ 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 ยง 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.

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๐Ÿ’ก How to Participate

  1. Check the checklist above to see if you may qualify.
  2. Contact the study coordinator using the phone/email above.
  3. Ask about the visit schedule, what is covered at no cost, and any travel support.
  4. Confirm with your own doctor before making a decision.
๐Ÿ›๏ธ View Official NIH Record โ†—