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NCT01477177 · ClinicalTrials.gov registry record · NA
Polar Wand Carbon Dioxide Cryotherapy for Barrett's Esophagus
A NA study, sponsored by Mayo Clinic.
- Terminated
- Registry status
- NA
- Development phase
- 4
- Enrollment target
NCT01477177: Clinical Trial NA study, sponsored by Mayo Clinic.
NCT01477177 is a NA study that was terminated before completion, run by Mayo Clinic. The registered enrollment target is 4 participants, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (100% lower). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT01477177, a NA study, was terminated before completion, sponsored by Mayo Clinic.
- TERMINATED
- Registry status
- NA
- Development phase
- 4 participants
- Enrollment target
Study Summary
The purpose of this pilot study is to provide an initial assessment of the feasibility, safety and efficacy of Polar Wand carbon dioxide cryotherapy for treatment of Barrett's low grade and high grade dysplasia by use in a small number of patients so as to support, or otherwise, the development of a full-scale trial.
Primary Outcome
The reduction of Barrett's segment length and histology classification will be measured at 12 months.
Interventions
- DEVICE Polar Wand carbon dioxide cryotherapy
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 4 participants |
| Start Date | 2011-08 |
| Est. Completion | 2014-04 |
| Phase | NA |
Why NCT01477177 stopped before completion
NCT01477177 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 4 participants, a relatively small participant target, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (100% lower).
The record links to 0 conditions, and to 1 intervention - of which Polar Wand carbon dioxide cryotherapy is the first listed.
NCT01477177 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT01477177 about?
NCT01477177 is a clinical study titled "Polar Wand Carbon Dioxide Cryotherapy for Barrett's Esophagus". The purpose of this pilot study is to provide an initial assessment of the feasibility, safety and efficacy of Polar Wand carbon dioxide cryotherapy for treatment of Barrett's low grade and high grade dysplasia by use in a small number of patients so as to support, or otherwise, the development of a...
What is the current status of trial NCT01477177?
This trial is currently terminated. It is a NA study. The enrollment target is 4 participants. The study started on 2011-08. Estimated completion is 2014-04.
What interventions are being tested in trial NCT01477177?
The interventions under investigation include: Polar Wand carbon dioxide cryotherapy (DEVICE).
Who is sponsoring clinical trial NCT01477177?
This trial is sponsored by Mayo Clinic, which has 2,844 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT01477177's enrollment target sits among peer trials
4 1996th of 2000 higher than 5 of 2,000 other NA trials
participants (enrollment target), bucketed by value
Each bar is a band; taller bars hold more other NA trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source ClinicalTrials.gov registry export · 2026-08-08
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