CryoBalloon Ablation for Treatment of Duodenal Adenomas
Public ClinicalTrials.gov record NCT03847636. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
Safety and Efficacy of Cryoballoon Ablation for Treatment of Sporadic and Familial Nonampullary Nonpolypoid Duodenal Adenomas (the C2D2 Trial)
Study identification
- NCT ID
- NCT03847636
- Recruitment status
- Active, not recruiting
- Study type
- Interventional
- Phase
- Not applicable
- Lead sponsor
- Johns Hopkins University
- Other
- Enrollment
- 44 participants
Conditions and interventions
Conditions
Interventions
- CryoBalloon ablation Device
Device
Eligibility (public fields only)
- Age range
- 18 Years and older
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- May 12, 2019
- Primary completion
- Feb 28, 2025
- Completion
- Feb 28, 2026
- Last update posted
- Mar 10, 2025
2019 – 2026
United States locations
- U.S. sites
- 4
- U.S. states
- 4
- U.S. cities
- 4
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Johns Hopkins Hospital | Baltimore | Maryland | 21287 | — |
| Northwell Health | Manhasset | New York | 11030 | — |
| Geisinger Medical Center | Danville | Pennsylvania | 17822 | — |
| Methodist Dallas Medical Center | Dallas | Texas | 75203 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT03847636, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Mar 10, 2025 · Synced May 18, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT03847636 live on ClinicalTrials.gov.