NCT03043612

Brief Summary

The purpose of this study is to evaluate the feasibility of the Cook Ureteral Stent to reduce post-stent placement pain and urinary symptoms in patients following ureteroscopy for urolithiasis.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
56

participants targeted

Target at P25-P50 for not_applicable

Timeline
Completed

Started Jun 2015

Typical duration for not_applicable

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

June 10, 2015

Completed
1.6 years until next milestone

First Submitted

Initial submission to the registry

January 31, 2017

Completed
6 days until next milestone

First Posted

Study publicly available on registry

February 6, 2017

Completed
4 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 16, 2017

Completed
14 days until next milestone

Study Completion

Last participant's last visit for all outcomes

June 30, 2017

Completed
Last Updated

July 2, 2017

Status Verified

June 1, 2017

Enrollment Period

2 years

First QC Date

January 31, 2017

Last Update Submit

June 30, 2017

Conditions

Keywords

Ureteroscopy for urolithiasis

Outcome Measures

Primary Outcomes (1)

  • Patient-reported body pain score

    Comparing the patient-reported body pain score from the USSQ 1 survey between the two study arms

    7-days post stent placement

Study Arms (2)

Ureteral Study Stent

EXPERIMENTAL

Commercially available Cook Sof-Flex® Double Pigtail Ureteral Stent that is coextruded with an alpha-blocker medication

Device: Cook Sof-Flex® Double Pigtail Ureteral Stent coextruded with doxazosin

Ureteral Control Stent

ACTIVE COMPARATOR

Commercially available Cook Sof-Flex® Double Pigtail Ureteral Stent

Device: Cook Sof-Flex® Double Pigtail Ureteral Stent

Interventions

Placement of drug-coated ureteral stent when temporary ureteral stenting is indicated following ureteroscopy for urolithiasis

Ureteral Study Stent

Placement of a commercially available ureteral stent when temporary ureteral stenting is indicated following ureteroscopy for urolithiasis

Ureteral Control Stent

Eligibility Criteria

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

You may qualify if:

  • Patient is undergoing ureteroscopy for urolithiasis in which temporary ureteral stenting is indicated

You may not qualify if:

  • Patient is unwilling or unable to sign and date the informed consent
  • Patient is unwilling to comply with the follow-up study schedule
  • Patient is pregnant, breast-feeding, or planning to become pregnant during the course of the study
  • Patient is currently taking anti-cholinergic or other anti-spasm medications
  • Patient is currently taking sildenafil, tadalafil, or vardenafil
  • Patient has a known sensitivity to alpha-blocker medications
  • Patient is currently undergoing chemotherapy or radiation therapy
  • Patient has an active urinary tract infection
  • Patient is in chronic renal failure, on hemodialysis, or on chronic peritoneal dialysis
  • Patient requires bilateral shock wave lithotripsy, bilateral stents, or has bilateral symptomatic kidney stones
  • Patient has had a ureteral stent within the past three months in either ureter
  • Patient is unable to accurately detect or report bladder function or pain
  • Patient has chronic pain

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Prince of Wales/Chinese University of Hong Kong

Shatin, Hong Kong

Location

MeSH Terms

Conditions

Urolithiasis

Condition Hierarchy (Ancestors)

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

Study Officials

  • Chi-Fai Ng

    Prince of Wales Hospital

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
DEVICE FEASIBILITY
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

January 31, 2017

First Posted

February 6, 2017

Study Start

June 10, 2015

Primary Completion

June 16, 2017

Study Completion

June 30, 2017

Last Updated

July 2, 2017

Record last verified: 2017-06

Data Sharing

IPD Sharing
Will not share

Locations