Validation of the Wisconsin Stone-QOL

Status Completed

Clinical Trial Summary

The overall purpose of this study is to evaluate criterion-related validity of a newly-developed disease-specific instrument to assess the health-related quality of life (HRQOL) of patients who have had kidney stones. Specific aims of this study are: 1. Aim 1. Evaluate the population/external validity (generalizability) of the Wisconsin Stone-QOL by answering the question, "Is the Wisconsin Stone-QOL useful for assessing the HRQOL of patients who form kidney stones from a broad region of North America?" 2. Aim 2. Assess the ability of the Wisconsin Stone-QOL to detect changes within patients related to stone interventions and other disease-specific outcomes by answering the question, "Is the Wisconsin Stone-QOL sensitive to changes in stone-related outcomes within individuals?"

Clinical Trial Description

The Wisconsin Stone-QOL was developed as the only known HRQOL instrument designed specifically for patients with kidney stones. Its development has been published. Internal and other validity tests on the instrument have been conducted and reported. Further validity testing of the instrument is needed to confirm its broader utility in the context of surgical and medical management of patients with kidney stones. Upon enrollment at each site, patients will be asked to complete a medical history form and the Wisconsin Stone-QOL. To supplement the information provided in the medical history forms, patients' medical records will be reviewed in order to collect and enter approved data into a spreadsheet. Further patient interventions include completion of the Wisconsin Stone-QOL at 3 months, 12 months, 24 months, and 36 months post-enrollment. These post-enrollment surveys will usually be mailed to patients to the addresses they provide. Alternatively, patients may be provided the surveys at a urology encounter if it falls on or near the intervention time points. At each time point, patients' medical records will also be searched to document any changes in the data entered at enrollment. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT02188108
Study type	Interventional
Source	University of Wisconsin, Madison
Contact
Status	Completed
Phase	N/A
Start date	July 2014
Completion date	June 30, 2023

View Details

See also
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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.