Product Surveillance Registry; Ear, Nose and Throat - EXTEND Cohort
← catalyst calendarNCT06671561 · readout ≤ 12 d
Sponsored by Medtronic (industry) · MDT — their whole pipeline →.
Phase
—
Status
Withdrawn
Study type
Observational
Enrollment
0actual
Every value on this page is a field the sponsor filed with ClinicalTrials.gov, reproduced. Dates are their own estimates, revised as a study runs, unless the registry marks them actual. sources →
Source: ClinicalTrials.gov, retrieved 2026-08-19
Why the sponsor stopped it
New study design and data collection needed
As filed on the registry record, in the sponsor's own words.
Dates
each axis at the precision it was filed, with the registry's own basis| Date | Filed | Basis | What it is |
|---|---|---|---|
| Start | 2025-01-30 | estimated | When the study began enrolling |
| Primary completion | Aug 2026 | estimated | The date the last participant is measured for the primary outcome — the readout window |
| Study completion | Apr 2027 | estimated | The whole study's end, after follow-up |
| First posted | 2024-11-04 | actual | When this record first appeared on the registry |
| Results posted | — | When the sponsor posted results to the registry | |
| Record updated | 2025-05-15 | actual | The sponsor's own last edit to this record — every projection above is as current as this date |
What it studies
Condition
- Chronic Rhinosinusitis (CRS)
Intervention
- Device: Observational data collection from patients with chronic rhinosinusitis (CRS) receiving PROPEL sinus implant(s) following functional endoscopic sinus surgery (FESS)
Primary outcome
what the primary-completion date above is the date OFTo characterize the SNOT-22 total score change from baseline to Month 6 in patients with CRS undergoing FESS
measured From baseline (prior to FESS procedure and sinus implant) to 6 months post procedure
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