LURN: Urinary Urgency Phenotyping Protocol
Public ClinicalTrials.gov record NCT04557748. 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
Symptoms of Lower Urinary Tract Dysfunction Research Network (LURN) Urinary Urgency Phenotyping Protocol
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The purpose of this study is to define and characterize important subtypes of patients with urinary urgency to improve our understanding of the pathophysiology, risk factors, experiences, and comorbidities to lay the foundation for more effective treatment by focusing on the most bothersome and difficult to treat symptoms of urinary urgency and urgency urinary incontinence.
Study identification
- NCT ID
- NCT04557748
- Recruitment status
- Completed
- Study type
- Observational
- Phase
- Not listed
- Enrollment
- 1,030 participants
Conditions and interventions
Conditions
Interventions
- Observational Other
- Observational Controls Other
- Central Sensitization Other
- Physical Activity and Sleep Tracker Other
- Physical Activity and Sleep Tracker Controls Other
- Organ-Based Other
- Qualitative Assessment of Patients with Urinary Urgency Other
Other
Eligibility (public fields only)
- Age range
- 18 Years and older
- Sex
- All
- Healthy volunteers
- Accepts healthy volunteers
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Feb 16, 2021
- Primary completion
- Aug 11, 2025
- Completion
- Aug 11, 2025
- Last update posted
- Jul 23, 2026
2021 – 2025
United States locations
- U.S. sites
- 6
- U.S. states
- 6
- U.S. cities
- 6
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Northwestern University | Chicago | Illinois | 60611 | — |
| University of Iowa | Iowa City | Iowa | 52242 | — |
| University of Michigan | Ann Arbor | Michigan | 48109 | — |
| Washington University in St. Louis | St Louis | Missouri | 63110 | — |
| Duke University | Durham | North Carolina | 27715 | — |
| University of Washington | Seattle | Washington | 98195 | — |
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 NCT04557748, 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 Jul 23, 2026 · Synced Sep 5, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04557748 live on ClinicalTrials.gov.