# The Role of Canine Fossa Trephination in the Severely Diseased Maxillary Sinus

> **NCT01615536** · NA · WITHDRAWN · sponsor: **IWitterick**

## Conditions studied

- Disorder of Maxillary Sinus
- Aspirin-sensitive Asthma With Nasal Polyps
- Rhinosinusitis

## Interventions

- **PROCEDURE:** Canine fossa trephine technique
- **PROCEDURE:** Standard Endoscopic Sinus Surgery

## Key facts

- **NCT ID:** NCT01615536
- **Lead sponsor:** IWitterick
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** WITHDRAWN
- **Start date:** 2010-12
- **Primary completion:** 2013-12
- **Final completion:** 2014-01
- **Target enrollment:** 0 (ACTUAL)
- **Why stopped:** Inability to recruit subjects
- **Last updated:** 2014-01-10


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01615536

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01615536, "The Role of Canine Fossa Trephination in the Severely Diseased Maxillary Sinus". Retrieved via AI Analytics 2026-05-26 from https://api.ai-analytics.org/clinical/NCT01615536. Licensed CC0.

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