Comparing Different Diameter fURSs With Similar RESDs for the Treatment of Upper Urinary Tract Stones

NCT ID: NCT06987760

Last Updated: 2025-05-23

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

Get a concise snapshot of the trial, including recruitment status, study phase, enrollment targets, and key timeline milestones.

Recruitment Status

RECRUITING

Clinical Phase

NA

Total Enrollment

206 participants

Study Classification

INTERVENTIONAL

Study Start Date

2025-03-19

Study Completion Date

2026-12-30

Brief Summary

Review the sponsor-provided synopsis that highlights what the study is about and why it is being conducted.

Comparing the Efficiency, Effectiveness, and Safety of fURS lithotripsy with Similar RESDs in the Treatment of Upper Urinary Tract Stones.

Detailed Description

Dive into the extended narrative that explains the scientific background, objectives, and procedures in greater depth.

Comparing the Efficiency, Effectiveness, and Safety of fURS lithotripsy with Similar RESDs in the Treatment of Upper Urinary Tract Stones.

Conditions

See the medical conditions and disease areas that this research is targeting or investigating.

Ureter Injury Urolithiasis; Lower Urinary Tract Efficacy, Self

Study Design

Understand how the trial is structured, including allocation methods, masking strategies, primary purpose, and other design elements.

Allocation Method

RANDOMIZED

Intervention Model

FACTORIAL

7.5Fr disposable electronic flexible ureteroscope combine with 10Fr distally deflectable ureteral access sheath.
Primary Study Purpose

TREATMENT

Blinding Strategy

SINGLE

Participants
9.0Fr disposable electronic flexible ureteroscope combine with 12Fr distally deflectable ureteral access sheath.

Study Groups

Review each arm or cohort in the study, along with the interventions and objectives associated with them.

7.5Fr fURS and 10Fr UAS

7.5Fr disposable electronic flexible ureteroscope combine with 10Fr distally deflectable ureteral access sheath.

Group Type EXPERIMENTAL

flexible ureteroscope urolithiasis

Intervention Type PROCEDURE

Using flexible ureteroscope combine with urethral access sheath to treatment urolithiasis

9.0Fr fURS and 12Fr UAS

9.0Fr disposable electronic flexible ureteroscope combine with 12Fr distally deflectable ureteral access sheath.

Group Type ACTIVE_COMPARATOR

flexible ureteroscope urolithiasis

Intervention Type PROCEDURE

Using flexible ureteroscope combine with urethral access sheath to treatment urolithiasis

Interventions

Learn about the drugs, procedures, or behavioral strategies being tested and how they are applied within this trial.

flexible ureteroscope urolithiasis

Using flexible ureteroscope combine with urethral access sheath to treatment urolithiasis

Intervention Type PROCEDURE

Eligibility Criteria

Check the participation requirements, including inclusion and exclusion rules, age limits, and whether healthy volunteers are accepted.

Inclusion Criteria

\- 1.Patients with kidney stones or upper ureteral stones with a cumulative diameter of less than 3 cm are selected for ureteral soft lens holmium laser lithotripsy.

2.Age 18 to 80 years old, gender unlimited. 3.The subjects have no mental illness or language dysfunction, can understand the situation of the study and can sign informed consent.

Exclusion Criteria

* 1.Patients with a history of ureteral stenosis or who have undergone open or laparoscopic ureteral or renal lithotomy.

2.Patients with fever one week before surgery 3.Pregnant women and menstruating patients. 4.Patients with combined systemic disease or inability to tolerate anesthesia. 5.Patients undergoing simultaneous surgery for bilateral upper urinary tract stones.

6.Patients with ureteral stent indwelling before surgery. 7.In patients with severe hydronephrosis, the separation of the renal collecting system is greater than 4 cm.

8.Patients with renal anatomic malformations such as polycystic kidney, horseshoe kidney, and ectopic kidney.
Minimum Eligible Age

18 Years

Maximum Eligible Age

80 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

Meet the organizations funding or collaborating on the study and learn about their roles.

The First People's Hospital of Fuyang District, Hangzhou City

UNKNOWN

Sponsor Role collaborator

The Central Hospital of Lishui City

OTHER

Sponsor Role collaborator

Ningbo No. 1 Hospital

OTHER

Sponsor Role lead

Responsible Party

Identify the individual or organization who holds primary responsibility for the study information submitted to regulators.

Responsibility Role SPONSOR

Locations

Explore where the study is taking place and check the recruitment status at each participating site.

The First Affiliated Hospital of Ningbo University

Ningbo, Zhejiang, China

Site Status RECRUITING

Countries

Review the countries where the study has at least one active or historical site.

China

Central Contacts

Reach out to these primary contacts for questions about participation or study logistics.

Li Fang

Role: CONTACT

+86-13586681743

Facility Contacts

Find local site contact details for specific facilities participating in the trial.

Li Fang, Dr

Role: primary

057487085111

Boyang Song, Dr

Role: backup

057487085111

Other Identifiers

Review additional registry numbers or institutional identifiers associated with this trial.

MNWK202401

Identifier Type: -

Identifier Source: org_study_id

More Related Trials

Additional clinical trials that may be relevant based on similarity analysis.

Treatment of Upper Ureteric Stones
NCT02469766 UNKNOWN PHASE4
F-URS and Mini PCNL for Pediatric Urolithiasis
NCT06571617 NOT_YET_RECRUITING NA