NCT06491524

Brief Summary

Observation efficacy and safety of disposable f7.5 electronic flexible ureteroscope combined f10 ureteral guide sheath for treatment of renal stone \<2cm.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
23

participants targeted

Target at below P25 for not_applicable

Timeline
Completed

Started Apr 2022

Geographic Reach
1 country

1 active site

Status
completed

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 Start

First participant enrolled

April 20, 2022

Completed
7 months until next milestone

First Submitted

Initial submission to the registry

November 23, 2022

Completed
11 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

October 6, 2023

Completed
22 days until next milestone

Study Completion

Last participant's last visit for all outcomes

October 28, 2023

Completed
9 months until next milestone

First Posted

Study publicly available on registry

July 9, 2024

Completed
Last Updated

July 9, 2024

Status Verified

December 1, 2022

Enrollment Period

1.5 years

First QC Date

November 23, 2022

Last Update Submit

July 8, 2024

Conditions

Keywords

flexible ureteroscopeureteral guide sheath

Outcome Measures

Primary Outcomes (1)

  • Success rate of Accessing

    success rate of UAS placement (SRUP)

    1 day

Secondary Outcomes (4)

  • Evaluation of intraoperative ureteral injury

    1 day

  • Stone free rate

    1 and 30 days

  • overactive bladder symptom score (OABSS)

    1 month

  • Quality of life (QOL) questionnaire

    1 month

Study Arms (1)

7.5Fr flexible ureteroscope combined 10Fr ureteral access sheath

EXPERIMENTAL

Using disposable 7.5Fr electronic flexible ureteroscope combined 10Fr ureteral access sheath to treat renal stone \<2cm

Device: Using disposable 7.5Fr electronic flexible ureteroscope combined 10Fr ureteral access sheath to treat renal stone <2cm

Interventions

Using disposable 7.5Fr electronic flexible ureteroscope combined 10Fr ureteral access sheath to treat renal stone \<2cm

7.5Fr flexible ureteroscope combined 10Fr ureteral access sheath

Eligibility Criteria

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

You may qualify if:

  • Patients with kidney stones less than 2cm who choose to perform "Flexible ureteroscopic holmium laser lithotripsy";
  • Over 18 years old, male or female;
  • No hydronephrosis or mild to moderate hydronephrosis (collection system separation is less than 2cm);
  • The subject has no mental illness or language dysfunction, can understand the situation of this study and has signed an informed consent form, and is estimated to be able to cooperate with the completion of the entire study;
  • No urinary tract infection or no clinical manifestations of urinary tract infection;
  • Patients with urinary tract infection, negative urine culture, and no fever need to undergo antibiotic treatment for more than 3 days; urinary routine examination suggests urinary tract infection, positive urine culture, and patients without fever need to undergo antibiotic treatment for more than 7 days, till the urine culture turns negative.

You may not qualify if:

  • Patients with a previous history of ureteral stenosis or who have undergone open, laparoscopic ureteral, nephrectomy and lithotripsy;
  • Pregnant women and women's menstrual periods;
  • Cannot tolerate anaesthesia or surgery due to serious systemic diseases, heart disease, lung insufficiency and failure of important organs;
  • Anatomical malformations such as polycystic kidneys, horseshoe kidneys, and ectopic kidneys;
  • Patients with high suspicion of ureteral stenosis or diseases that are considered unsuitable to participate in this clinical study;
  • Patients indwelling double J stent preoperatively;
  • Patients who need bilateral upper urinary tract surgery at the same time.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Ningbo First hospital

Ningbo, Zhejiang, 315010, China

Location

MeSH Terms

Conditions

Urolithiasis

Condition Hierarchy (Ancestors)

Urologic DiseasesFemale Urogenital DiseasesFemale Urogenital Diseases and Pregnancy ComplicationsUrogenital DiseasesMale Urogenital Diseases

Study Officials

  • Li Fang, Doctor

    Urology of NIngbo First Hospital

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
NA
Masking
NONE
Purpose
TREATMENT
Intervention Model
SINGLE GROUP
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

November 23, 2022

First Posted

July 9, 2024

Study Start

April 20, 2022

Primary Completion

October 6, 2023

Study Completion

October 28, 2023

Last Updated

July 9, 2024

Record last verified: 2022-12

Data Sharing

IPD Sharing
Will not share

Locations