UPURS Trial for Patient-centered Management of Symptomatic Obstructing Stones
UPURS
Upfront vs Postponed Ureteroscopy (UPURS) Trial for Patient-centered Management of Symptomatic Obstructing Stones
1 other identifier
interventional
100
1 country
2
Brief Summary
A prospective, non-blinded, randomized controlled trial studying the management of symptomatic ureteral stones. This study will compare upfront ureteroscopy vs observation and delayed intervention for patients presenting to the emergency department with a symptomatic ureteral stone.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for not_applicable
Started Sep 2023
Longer than P75 for not_applicable
2 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
December 16, 2022
CompletedFirst Posted
Study publicly available on registry
February 6, 2023
CompletedStudy Start
First participant enrolled
September 6, 2023
CompletedPrimary Completion
Last participant's last visit for primary outcome
December 31, 2030
ExpectedStudy Completion
Last participant's last visit for all outcomes
December 31, 2030
September 15, 2026
September 1, 2026
7.3 years
December 16, 2022
September 11, 2026
Conditions
Keywords
Outcome Measures
Primary Outcomes (2)
Pain Score
Measure on a scale of 1-10, with zero indicating no pain and 10 indicating the worst pain.
3 months
Anxiety Score
Measure on a scale of 1-10, the score ranges from 0-10, with zero indicating no anxiety and 10 indicating the worst anxiety.
3 months
Secondary Outcomes (1)
Hospital visit length
3 months
Other Outcomes (2)
Days of work lost
3 months
Hospital visits
3 months
Study Arms (2)
Group A (Upfront ureteroscopy)
ACTIVE COMPARATORGroup B (Observation/delayed ureteroscopy)
NO INTERVENTIONInterventions
Eligibility Criteria
You may qualify if:
- Presenting to the Emergency Department (ED)
- Adult (\> 18 yo)
- ≥5mm ureteral stone diagnosed on CT scan
- Presence of symptoms (pain, nausea, vomiting, hematuria)
You may not qualify if:
- Strict indication for stent
- Stone burden not amenable to Ureteroscopy (URS)
- Dirty urine analysis (UA) or positive urine culture (UCx)
- Transplant kidney
- Presence of conduit
- Comorbidities not optimized for surgery
- Strong preference for surgery or observation
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (2)
University of California, San Francisco
San Francisco, California, 94143, United States
University of Colorado
Aurora, Colorado, 80045, United States
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Officials
- STUDY CHAIR
Heiko Yang, MD
University of Colorado, Denver
Central Study Contacts
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
December 16, 2022
First Posted
February 6, 2023
Study Start
September 6, 2023
Primary Completion (Estimated)
December 31, 2030
Study Completion (Estimated)
December 31, 2030
Last Updated
September 15, 2026
Record last verified: 2026-09
Data Sharing
- IPD Sharing
- Will not share