Phoenix Children’s Hospital Research
Institute (PCRI) Website Clinical Trial Listing
** Please complete and return to Shy Walker at
swalker@phoenixchildrens.com
Study Title: Prospective Trial Comparing Oxybutynin and Tamsulosin for Stent Pain in the Pediatric
Population
Study Purpose
The primary objective of this study is to evaluate the efficacy and safety tamsulosin in reducing stent
discomfort in the pediatric population in the peri-operative period. The secondary objective is to compare
the efficacy of tamsulosin with that of oxybutynin in reducing stent discomfort.
Study Summary
Primary Outcome Measures:

Number of doses of pain medication used.
After surgery, each child will be prescribed the standard dosage of oxycodone/acetaminophen based on
their weight. We will have the patient's family record the number of doses of narcotics used from postoperative day #1 to post-operative day #5 to assess their pain needs.

Pain scale based on the faces pain score
We will have the family members record the child's pain score in the morning and evening using the FACES
pain scale and record the score.
Basic Eligibility Criteria
Inclusion Criteria:

Patients aged 4-18 years will be enrolled in this study. We will include all patients who will have a
ureteral stent placement after their procedure.
Exclusion Criteria:

Patients with developmental delay or unable to verbalize their pain level will be excluded.
Study Location(s):
Phoenix Children’s Hospital
Study Contact(s):
Michael Nguyen, MD
Catherine Chen, MD
Division of Urology