NCT06579924

Brief Summary

A feasibility randomised controlled trials comparing re-usable versus disposable nephroscope when treating kidney stones during mini-PCNLs

Trial Health

43
At Risk

Trial Health Score

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

Trial has exceeded expected completion date
Enrollment
100

participants targeted

Target at P50-P75 for not_applicable

Timeline
Completed

Started Sep 2024

Shorter than P25 for not_applicable

Geographic Reach
1 country

1 active site

Status
not yet 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

First Submitted

Initial submission to the registry

August 11, 2024

Completed
19 days until next milestone

First Posted

Study publicly available on registry

August 30, 2024

Completed
2 days until next milestone

Study Start

First participant enrolled

September 1, 2024

Completed
7 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

March 30, 2025

Completed
1 month until next milestone

Study Completion

Last participant's last visit for all outcomes

April 30, 2025

Completed
Last Updated

August 30, 2024

Status Verified

August 1, 2024

Enrollment Period

7 months

First QC Date

August 11, 2024

Last Update Submit

August 28, 2024

Conditions

Outcome Measures

Primary Outcomes (1)

  • Stone free rate

    ability of used scope in determining a complete stone clearance, or absence of clinically significant residual fragments

    90 days post-op

Secondary Outcomes (2)

  • complication rate

    30 days post-op

  • adequacy of used instrument

    intra-operative assessment

Study Arms (2)

Mini-PCNL with disposable scope

EXPERIMENTAL

PCNLs carried out using disposable scope

Procedure: Disposable mini-PCNL

Mini-PCNL using re-usable scope

ACTIVE COMPARATOR

Mini-PCNLs carried out using re-usable scope

Procedure: Re-usable mini-PCNL

Interventions

Mini-PCNL carried out using disposable scope

Mini-PCNL with disposable scope

Mini-PCNL carried out using re-usable scope

Mini-PCNL using re-usable scope

Eligibility Criteria

Age18 Years - 99 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Patients undergoing mini PCNL to treat renal stones with a cumulative stone diameter 2-5 cm and completing at least a 3 month's follow-up
  • Cases performed by surgeons beyond their learning curves
  • Patients aged \> 18
  • Unenhanced CT scan carried out within 3 months pre-operatively
  • Post-operative follow-up carried out according to our study protocol, with NCCT carried out within 2-3 months after surgery
  • ASA 1-2
  • Patients with normal weight (BMI: 18-25)
  • Participant is willing and able to give informed consent to the proposed surgical treatment and agreeing to be enrolled in the study.

You may not qualify if:

  • PCNL performed for proximal ureteric stones
  • Urinary tract with abnormal anatomy
  • Obese patients
  • ASA\>3
  • Patients with pyonephrosis
  • Patients on anticoaugulants
  • Preoperative CT scan not within 3 months before surgery
  • Pregnant patients
  • Patients younger than 18 years of age

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Department of Urology, Minimally Invasive Surgery Center, The First Affiliated Hospital of Guangzhou Medical University

Guangzhou, Guangdong, 510230, China

Location

MeSH Terms

Conditions

Kidney Calculi

Condition Hierarchy (Ancestors)

NephrolithiasisKidney DiseasesUrologic DiseasesFemale Urogenital DiseasesFemale Urogenital Diseases and Pregnancy ComplicationsUrogenital DiseasesUrolithiasisUrinary CalculiMale Urogenital DiseasesCalculiPathological Conditions, AnatomicalPathological Conditions, Signs and Symptoms

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
PARTICIPANT
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Professor

Study Record Dates

First Submitted

August 11, 2024

First Posted

August 30, 2024

Study Start

September 1, 2024

Primary Completion

March 30, 2025

Study Completion

April 30, 2025

Last Updated

August 30, 2024

Record last verified: 2024-08

Data Sharing

IPD Sharing
Will not share

Locations