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Clinical Trial Details — Status: Active, not recruiting

Administrative data

NCT number NCT02439060
Other study ID # 4B-14-2
Secondary ID NCI-2015-002784B
Status Active, not recruiting
Phase N/A
First received
Last updated
Start date November 25, 2015
Est. completion date November 25, 2025

Study information

Verified date February 2024
Source University of Southern California
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

This randomized phase III trial studies how well biologic mesh works in preventing parastomal hernia in patients with bladder cancer who are undergoing radical cystectomy, or removal of the bladder, and ileal conduit diversion. An ileal conduit is a tube created from your small intestine that will be used as a tube for urine to flow out of your body. Parastomal hernia is a type of hernia that can occur in the stomach area where the ileal conduit is placed. Biologic mesh may help prevent parastomal hernia following surgery and ileal conduit diversion.


Description:

PRIMARY OBJECTIVES: I. To estimate the rate of developing parastomal hernia detected either clinically or radiologically in patients with radical cystectomy and ileal conduit, with or without mesh. SECONDARY OBJECTIVES: I. To estimate the rate of developing symptomatic parastomal hernia requiring surgical intervention in patients with radical cystectomy and ileal conduit with or without mesh. II. To estimate the time from cystectomy with an ileal conduit to diagnosis of clinical parastomal hernia development in patients with radical cystectomy and ileal conduit with or without mesh. III. To estimate the time from cystectomy with an ileal conduit to diagnosis of radiological parastomal hernia development in patients with radical cystectomy and ileal conduit with or without mesh. IV. To estimate the rate of stomal prolapse and time to its development in patients with radical cystectomy and ileal conduit with or without mesh. V. To evaluate mesh-related complications in mesh group. OUTLINE: Patients are randomized to 1 of 2 arms. ARM I: Patients undergo placement of biologic mesh during radical cystectomy and placement of the ileal conduit. ARM II: Patients undergo standard of care radical cystectomy and placement of the ileal conduit. After completion of study, patients are followed up every 2-4 months for 2 years.


Recruitment information / eligibility

Status Active, not recruiting
Enrollment 110
Est. completion date November 25, 2025
Est. primary completion date November 25, 2024
Accepts healthy volunteers No
Gender All
Age group N/A and older
Eligibility Inclusion Criteria: - Bladder cancer, undergoing radical cystectomy and ileal conduit diversion - Ability to understand and the willingness to sign a written informed consent - Follow-up either here at University of Southern California (USC) or centers that are available to transfer the requested clinical and radiological data Exclusion Criteria: - Previous scar or mesh at the level of ileal conduit - Survival less than 12 months after surgery (either predicted survival before surgery or actual survival after surgery < 12 months) - History of allergic reactions attributed to compounds of similar chemical or biologic composition to cadaveric component, i.e. Flex HD

Study Design


Related Conditions & MeSH terms


Intervention

Other:
Acellular Cadaveric Dermal Matrix
Undergo intraperitoneal prophylactic mesh placement

Locations

Country Name City State
United States USC / Norris Comprehensive Cancer Center Los Angeles California

Sponsors (3)

Lead Sponsor Collaborator
University of Southern California Musculoskeletal Transplant Foundation, National Cancer Institute (NCI)

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary Rate of development of a clinical or radiologic parastomal hernia Cumulative incidence curves (using death, local recurrence, other surgical procedures unrelated to the development of parastomal hernias as competing risks) and their associated estimates (at 2 years) and standard errors will be used. To compare the two arms, the Wald test for the estimate at two years will be used, and the log-rank test for the timing of the events will be used. All tests will be one-sided at the 0.05 level. Up to 2 years
Secondary Incidence of mesh-related complications in Mesh group (Arm I) All patients randomized, who undergo a radical cystectomy with an ileal conduit, will be classified according to whether or not they received the mesh implant. Observed toxicities and complications during and after surgery will be summarized by treatment received, severity, timing (time from surgery), and frequency. Up to 2 years
Secondary Rate of development of symptomatic parastomal hernia requiring surgical intervention Cumulative incidence curves (using death, local recurrence, other surgical procedures unrelated to the development of parastomal hernias as competing risks) and their associated estimates (at 2 years) and standard errors will be used. To compare the two arms, the Wald test for the estimate at two years will be used, and the log-rank test for the timing of the events will be used. All tests will be one-sided at the 0.05 level. Up to 2 years
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