NCT05715086

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

77
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
100

participants targeted

Target at P50-P75 for not_applicable

Timeline
2mo left

Started Aug 2023

Typical duration for not_applicable

Geographic Reach
1 country

1 active site

Status
recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Progress95%
Aug 2023Jun 2026

First Submitted

Initial submission to the registry

December 16, 2022

Completed
2 months until next milestone

First Posted

Study publicly available on registry

February 6, 2023

Completed
7 months until next milestone

Study Start

First participant enrolled

August 23, 2023

Completed
2.9 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 30, 2026

Expected
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

June 30, 2026

Last Updated

January 17, 2025

Status Verified

January 1, 2025

Enrollment Period

2.9 years

First QC Date

December 16, 2022

Last Update Submit

January 15, 2025

Conditions

Keywords

Symptomatic ureteral stones

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 COMPARATOR
Procedure: Ureteroscopy

Group B (Observation/delayed ureteroscopy)

NO INTERVENTION

Interventions

UreteroscopyPROCEDURE

Upfront ureteroscopy

Group A (Upfront ureteroscopy)

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

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 (1)

University of California, San Francisco

San Francisco, California, 94143, United States

RECRUITING

MeSH Terms

Conditions

Ureterolithiasis

Interventions

Ureteroscopy

Condition Hierarchy (Ancestors)

Ureteral DiseasesUrologic DiseasesFemale Urogenital DiseasesFemale Urogenital Diseases and Pregnancy ComplicationsUrogenital DiseasesUrolithiasisMale Urogenital Diseases

Intervention Hierarchy (Ancestors)

EndoscopyDiagnostic Techniques, SurgicalDiagnostic Techniques and ProceduresDiagnosisDiagnostic Techniques, UrologicalMinimally Invasive Surgical ProceduresSurgical Procedures, OperativeUrologic Surgical ProceduresUrogenital Surgical Procedures

Study Officials

  • Thomas Chi, MD

    University of California, San Francisco

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Catherine Arevalo, BA

CONTACT

Heiko Yang, MD

CONTACT

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
PARALLEL
Model Details: A prospective, non-blinded, randomized controlled trial with two study arms.
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

December 16, 2022

First Posted

February 6, 2023

Study Start

August 23, 2023

Primary Completion (Estimated)

June 30, 2026

Study Completion (Estimated)

June 30, 2026

Last Updated

January 17, 2025

Record last verified: 2025-01

Data Sharing

IPD Sharing
Will not share

Locations