Safety and Effectiveness Study of the Zenflow Spring System
Public ClinicalTrials.gov record NCT04987138. 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 Effectiveness Study of the Zenflow Spring System - A Minimally Invasive Treatment for LUTS Associated With BPH
Study identification
- NCT ID
- NCT04987138
- Recruitment status
- Not listed
- Study type
- Interventional
- Phase
- Not applicable
- Lead sponsor
- Zenflow, Inc.
- Industry
- Enrollment
- 279 participants
Conditions and interventions
Interventions
- Zenflow Spring System Device
- Sham Procedure Device
Device
Eligibility (public fields only)
- Age range
- 45 Years and older
- Sex
- Male
- 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
- Sep 29, 2021
- Primary completion
- Jun 29, 2024
- Completion
- May 31, 2026
- Last update posted
- Apr 10, 2024
2021 – 2026
United States locations
- U.S. sites
- 7
- U.S. states
- 6
- U.S. cities
- 6
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| American Institute of Research | Los Angeles | California | 90017 | — |
| Northshore University Health System | Glenview | Illinois | 60026 | — |
| Sheldon Freedman, MD, LTD | Las Vegas | Nevada | 89144 | — |
| Carolina Urologic Research Associates | Myrtle Beach | South Carolina | 29572 | — |
| Midtown Urology Associates | Austin | Texas | 78705 | — |
| Urology Austin, PLLC | Austin | Texas | 78745 | — |
| Urology of Virginia, PLLC | Virginia Beach | Virginia | 23462 | — |
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 NCT04987138, 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 Apr 10, 2024 · Synced Jul 24, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04987138 live on ClinicalTrials.gov.