# LURN: Urinary Urgency Phenotyping Protocol

> **NCT04557748** · — · ACTIVE_NOT_RECRUITING · sponsor: **Arbor Research Collaborative for Health** · enrollment: 840 (estimated)

## Conditions studied

- Lower Urinary Tract Symptoms

## Interventions

- **OTHER:** 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

## Key facts

- **NCT ID:** NCT04557748
- **Lead sponsor:** Arbor Research Collaborative for Health
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** ACTIVE_NOT_RECRUITING
- **Start date:** 2021-02-17
- **Primary completion:** 2026-12
- **Final completion:** 2026-12
- **Target enrollment:** 840 (ESTIMATED)
- **Last updated:** 2026-02-09

## Collaborators

- National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
- University of Michigan
- Northwestern University
- Duke University
- University of Iowa
- University of Washington
- Washington University School of Medicine

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04557748

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04557748, "LURN: Urinary Urgency Phenotyping Protocol". Retrieved via AI Analytics 2026-07-20 from https://api.ai-analytics.org/clinical/NCT04557748. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*
