# Tissue Immune Interaction in Nasal Polyposis

> **NCT04628442** · — · COMPLETED · sponsor: **University of California, San Francisco** · enrollment: 38 (actual)

## Conditions studied

- Chronic Rhinosinusitis (Diagnosis)
- Chronic Rhinosinusitis With Nasal Polyps
- Asthma

## Interventions

- **PROCEDURE:** Sinonasal Debridement Procedure
- **PROCEDURE:** Nasal Polyp Removal
- **PROCEDURE:** Biopsy

## Key facts

- **NCT ID:** NCT04628442
- **Lead sponsor:** University of California, San Francisco
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2020-11-10
- **Primary completion:** 2023-03-24
- **Final completion:** 2023-03-24
- **Target enrollment:** 38 (ACTUAL)
- **Last updated:** 2025-07-30

## Collaborators

- [object Object]
- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04628442

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04628442, "Tissue Immune Interaction in Nasal Polyposis". Retrieved via AI Analytics 2026-06-04 from https://api.ai-analytics.org/clinical/NCT04628442. Licensed CC0.

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