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Concomitant Renal and Urinary Bladder Allograft Transplantation

Primary Purpose

Chronic Kidney Diseases, Bladder Dysfunction, Bladder Absence

Status
Recruiting
Phase
Early Phase 1
Locations
United States
Study Type
Interventional
Intervention
Concomitant Renal and Urinary Bladder Allograft Transplantation
Sponsored by
Mayo Clinic
About
Eligibility
Locations
Arms
Outcomes
Full info

About this trial

This is an interventional treatment trial for Chronic Kidney Diseases focused on measuring Urinary Bladder Transplant, Bladder Transplant, Bladder Augment, Neobladder, Ileocystoplasty

Eligibility Criteria

1 Year - 60 Years (Child, Adult)All SexesDoes not accept healthy volunteers

Inclusion Criteria:

  • Male or female patients between 1 yr. and 60 years of age.
  • Subject is willing and able to give signed informed consent, or have a legally authorized representative who is willing and able to give consent. Informed assent will be required for children 6-17 years of age as appropriate or warranted.
  • Patients with CKD secondary to neurogenic bladder, lower urinary tract obstruction or other disorders of the urinary bladder.
  • Medical need for a bladder transplant, as defined by the presence of exhibiting "hostile bladders" defined as end filling pressure or detrusor leak point pressure (DLPP) of or greater than 40 cm H20 or at below estimated bladder capacity for age, or detrusor overactivity with detrusor sphincter dyssynergia, or new onset of upper urinary tract changes (hydronephrosis, vesicoureteral reflux) in the last 12 months
  • If a concomitant kidney transplant is being considered, additionally, estimated GFR less than or equal to 20 mL/min or dialysis. If GFR 20-25 mL/min would also qualify if expected progression is rapid (>10 mL/min/year)
  • Vetting and approval by the Mayo Clinic multidisciplinary transplant team (MDC) for renal transplantation.
  • Ability of subject and/or care provider to be successfully trained in clean intermittent catheterization and bladder cycling. Or current use of CIC.
  • Utilization of maximally-tolerated dose and regimen of medical therapy (e.g. anticholinergics) or failure to tolerate/contraindications to such agents.
  • Psychosocial clearance: Demonstrated commitment to psychological evaluation perioperatively, in which the psychologist must confirm that the subject has the maturity and stable psychosocial environment necessary for this research study.
  • Agree to avoid pregnancy for 1 year after surgery through abstinence or approved contraception as noted in Appendix A (female subjects only)
  • If patient has a history of malignancy (with the exception of localized non-melanoma skin cancer) the patient must be at least 5 years from termination of treatment without evidence of recurrent disease.

Exclusion Criteria:

  • They are pregnant or breastfeeding, or planning a pregnancy during the course of the study, or who are of child bearing potential and not willing to continue using an effective method of birth control (i.e. with a low failure rate of less than 1 percent per year including injectables, combined oral contraceptives, some intrauterine devices, sexual abstinence, or a vasectomized partner), or
  • Any contraindication to general anesthesia or evaluation reveals that the subject cannot safely undergo general anesthesia and post-operative recovery due to severe cardiovascular, pulmonary, neurological, metabolic, or rheumatologic disease (requires special consultation)
  • Any contraindication or known anaphylactic or severe systemic reaction to either human blood products or materials of bovine origin
  • Subjects with a current positive (>=5 mm induration for high-risk subjects; otherwise >=10 mm of induration) purified protein derivative (PPD) test are excluded unless they have completed a full course of treatment for latent TB and have a negative chest x-ray film at enrollment.
  • Known history of hypersensitivity to aminoglycosides or fluoroquinolones
  • Use of any investigational product within 3 months
  • Prior participation in the study
  • Currently smoking
  • Current incarceration for any reason
  • Unwillingness, inability, or unlikely compliance of individual and/or primary caregiver with study related schedules procedures, management, or follow -up in the opinion of the PI and/or co-investigators
  • Any circumstance in which the investigator deems participation in the study is not in the subject's best interest
  • Subjects with an ALT or AST value >3 times the upper limit of normal
  • Subjects with acute or chronic abdominal skin infections and/or acute or chronic abdominal inflammatory conditions such as inflammatory bowel disease
  • Subjects with uncontrolled diabetes defined as HgA1c>10, unstable cardiac and/or pulmonary disorders, or bleeding disorders
  • Active malignant neoplasm (with the exception of localized non-melanoma skin cancer) that is untreated, unresponsive to available treatment, or too recently treated to determine relapse risk.
  • Surgical procedure for transplantation cannot be successfully performed for anatomical reasons
  • Life expectancy with successful transplantation is estimated to be <5 years for any reason.
  • There is any other disease, physical examination finding, or clinical laboratory result that provides a reasonable suspicion of a disease or condition that contraindicates the procedure or the interpretation of results or render the subject at high risk for treatment complications, or
  • Serious or uncontrolled psychiatric illness or disorder that could compromise their understanding of, or compliance with, follow-up visits/care after transplant, or
  • Taking medications on specified hourly intervals that may be affected by changes to renal clearance, or
  • Hypertension stage II > 99th percentile, unless they had a complete workup to exclude secondary etiologies other than being overweight, or
  • Presence of severe coagulopathy, (hyper or hypo)
  • Patient is not up to date on current CDC recommended vaccines

Sites / Locations

  • Mayo ClinicRecruiting
  • Mayo Clinic in RochesterRecruiting

Arms of the Study

Arm 1

Arm Type

Experimental

Arm Label

Intervention group

Arm Description

Patients will undergo a cadaveric donor bladder transplant in addition to or after their kidney transplant rather than using intestinal segments for bladder reconstruction or construction.

Outcomes

Primary Outcome Measures

Establish if concomitant renal and vascularized urinary bladder allograft transplantation is feasible.
The primary endpoint will be bladder compliance and/or the end fill pressure at bladder capacity as assessed by standardized urodynamic measures at 12 months and yearly until year 4 Urodynamic measures assessed multiple times in each subject over the follow up period will be modeled with linear mixed effects models. A discrete time relationship will estimate the mean bladder compliance or end fill pressure at 12 months and yearly until year 4. Models will adjust for baseline value, and random intercepts and slopes will be considered using model fit criteria. From this linear mixed effects model, we estimate the expected change from baseline to 12 months (and yearly until year 4), adjusting for baseline value. Results will be reported as estimated 12 month mean with confidence interval.
Study the long term function of vascularized bladder allotransplantation in patients receiving a concomitant renal and bladder graft
End-filling pressure at age-related nomogram derived bladder capacity at baseline, 6 months, 12 months, and 24 months. a. Ratio of measured bladder volume to age-related nomogram derived bladder capacity at baseline, 2,4, 6, 9, 12, and 48 months Filling pressure at 25, 33, 50, 66, and 75 percent of the age-related nomogram-derived bladder capacities Neurogenic detrusor overactivity Frequency of incontinence episodes . 3. Individual subject data including resolution of vesicoureteral reflux, hydronephrosis or recovery of renal function . 4. Evaluating the effect of improved genitourinary function on overall health and mental health using QoL questionaires 5. Rejection and other histological changes will be monitored with protocol biopsies at month 2, 4, 12, 24, 48 and annually until year 4. For cause biopsies for clinical changes such as decreased compliance or hematuria will also be performed.

Secondary Outcome Measures

Incidence of all serious adverse events including unanticipated adverse events
All adverse events will be captured and graded for severity using Common Terminology Criteria for Adverse Events (CTCAE) scale.

Full Information

First Posted
October 13, 2020
Last Updated
June 30, 2023
Sponsor
Mayo Clinic
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1. Study Identification

Unique Protocol Identification Number
NCT04626167
Brief Title
Concomitant Renal and Urinary Bladder Allograft Transplantation
Official Title
Concomitant Renal and Urinary Bladder Allograft Transplantation
Study Type
Interventional

2. Study Status

Record Verification Date
June 2023
Overall Recruitment Status
Recruiting
Study Start Date
June 1, 2021 (Actual)
Primary Completion Date
January 2026 (Anticipated)
Study Completion Date
January 2026 (Anticipated)

3. Sponsor/Collaborators

Responsible Party, by Official Title
Principal Investigator
Name of the Sponsor
Mayo Clinic

4. Oversight

Studies a U.S. FDA-regulated Drug Product
No
Studies a U.S. FDA-regulated Device Product
No
Data Monitoring Committee
No

5. Study Description

Brief Summary
The purpose of this study is to establish if concomitant renal and vascularized urinary bladder allograft transplantation is feasible.
Detailed Description
This is a single-center, prospective, single-group unblinded phase I study that will enroll subjects with chronic kidney disease secondary to bladder dysfunction or bladder absence that is refractory to medical treatment and requires surgical intervention to prevent long-term sequelae. The primary inclusion criteria will be patients who are diagnosed with chronic kidney disease secondary to disorders involving the urinary bladder or absence of a urinary bladder. Patients exhibiting "hostile bladders" defined as end filling pressure or detrusor leak point pressure (DLPP) of 40 cm H2O or greater as measured by urodynamic studies or detrusor overactivity with detrusor sphincter dyssynergia will be included. Candidates for renal transplantation will be vetted and approved by the Mayo Clinic multidisciplinary transplant team (MDC). Subjects meeting these primary inclusion criteria can be referred to the PI, co-investigators, or study coordinator to approach for possible participation in this research study. If the subject still meets all the inclusion and exclusion criteria after the baseline evaluations are completed, the subject will undergo concomitant renal and vascularized urinary bladder allograft transplantation.

6. Conditions and Keywords

Primary Disease or Condition Being Studied in the Trial, or the Focus of the Study
Chronic Kidney Diseases, Bladder Dysfunction, Bladder Absence, Posterior Urethral Valve, Neurogenic Bladder, Bladder Exstrophy, Bladder Outlet Obstruction, Failure, Kidney, Transplant
Keywords
Urinary Bladder Transplant, Bladder Transplant, Bladder Augment, Neobladder, Ileocystoplasty

7. Study Design

Primary Purpose
Treatment
Study Phase
Early Phase 1
Interventional Study Model
Single Group Assignment
Masking
None (Open Label)
Allocation
N/A
Enrollment
30 (Anticipated)

8. Arms, Groups, and Interventions

Arm Title
Intervention group
Arm Type
Experimental
Arm Description
Patients will undergo a cadaveric donor bladder transplant in addition to or after their kidney transplant rather than using intestinal segments for bladder reconstruction or construction.
Intervention Type
Procedure
Intervention Name(s)
Concomitant Renal and Urinary Bladder Allograft Transplantation
Intervention Description
This is a single-center, prospective, single-group unblinded phase I study that will enroll subjects with chronic kidney disease secondary to bladder dysfunction or bladder absence that is refractory to medical treatment and requires surgical intervention to prevent long-term sequelae. Patients will undergo a cadaveric donor bladder transplant in addition to or after their kidney transplant rather than using intestinal segments for bladder reconstruction or contruction.
Primary Outcome Measure Information:
Title
Establish if concomitant renal and vascularized urinary bladder allograft transplantation is feasible.
Description
The primary endpoint will be bladder compliance and/or the end fill pressure at bladder capacity as assessed by standardized urodynamic measures at 12 months and yearly until year 4 Urodynamic measures assessed multiple times in each subject over the follow up period will be modeled with linear mixed effects models. A discrete time relationship will estimate the mean bladder compliance or end fill pressure at 12 months and yearly until year 4. Models will adjust for baseline value, and random intercepts and slopes will be considered using model fit criteria. From this linear mixed effects model, we estimate the expected change from baseline to 12 months (and yearly until year 4), adjusting for baseline value. Results will be reported as estimated 12 month mean with confidence interval.
Time Frame
Year 1-4
Title
Study the long term function of vascularized bladder allotransplantation in patients receiving a concomitant renal and bladder graft
Description
End-filling pressure at age-related nomogram derived bladder capacity at baseline, 6 months, 12 months, and 24 months. a. Ratio of measured bladder volume to age-related nomogram derived bladder capacity at baseline, 2,4, 6, 9, 12, and 48 months Filling pressure at 25, 33, 50, 66, and 75 percent of the age-related nomogram-derived bladder capacities Neurogenic detrusor overactivity Frequency of incontinence episodes . 3. Individual subject data including resolution of vesicoureteral reflux, hydronephrosis or recovery of renal function . 4. Evaluating the effect of improved genitourinary function on overall health and mental health using QoL questionaires 5. Rejection and other histological changes will be monitored with protocol biopsies at month 2, 4, 12, 24, 48 and annually until year 4. For cause biopsies for clinical changes such as decreased compliance or hematuria will also be performed.
Time Frame
Year 1-4
Secondary Outcome Measure Information:
Title
Incidence of all serious adverse events including unanticipated adverse events
Description
All adverse events will be captured and graded for severity using Common Terminology Criteria for Adverse Events (CTCAE) scale.
Time Frame
Year 1-4

10. Eligibility

Sex
All
Minimum Age & Unit of Time
1 Year
Maximum Age & Unit of Time
60 Years
Accepts Healthy Volunteers
No
Eligibility Criteria
Inclusion Criteria: Male or female patients between 1 yr. and 60 years of age. Subject is willing and able to give signed informed consent, or have a legally authorized representative who is willing and able to give consent. Informed assent will be required for children 6-17 years of age as appropriate or warranted. Patients with CKD secondary to neurogenic bladder, lower urinary tract obstruction or other disorders of the urinary bladder. Medical need for a bladder transplant, as defined by the presence of exhibiting "hostile bladders" defined as end filling pressure or detrusor leak point pressure (DLPP) of or greater than 40 cm H20 or at below estimated bladder capacity for age, or detrusor overactivity with detrusor sphincter dyssynergia, or new onset of upper urinary tract changes (hydronephrosis, vesicoureteral reflux) in the last 12 months If a concomitant kidney transplant is being considered, additionally, estimated GFR less than or equal to 20 mL/min or dialysis. If GFR 20-25 mL/min would also qualify if expected progression is rapid (>10 mL/min/year) Vetting and approval by the Mayo Clinic multidisciplinary transplant team (MDC) for renal transplantation. Ability of subject and/or care provider to be successfully trained in clean intermittent catheterization and bladder cycling. Or current use of CIC. Utilization of maximally-tolerated dose and regimen of medical therapy (e.g. anticholinergics) or failure to tolerate/contraindications to such agents. Psychosocial clearance: Demonstrated commitment to psychological evaluation perioperatively, in which the psychologist must confirm that the subject has the maturity and stable psychosocial environment necessary for this research study. Agree to avoid pregnancy for 1 year after surgery through abstinence or approved contraception as noted in Appendix A (female subjects only) If patient has a history of malignancy (with the exception of localized non-melanoma skin cancer) the patient must be at least 5 years from termination of treatment without evidence of recurrent disease. Exclusion Criteria: They are pregnant or breastfeeding, or planning a pregnancy during the course of the study, or who are of child bearing potential and not willing to continue using an effective method of birth control (i.e. with a low failure rate of less than 1 percent per year including injectables, combined oral contraceptives, some intrauterine devices, sexual abstinence, or a vasectomized partner), or Any contraindication to general anesthesia or evaluation reveals that the subject cannot safely undergo general anesthesia and post-operative recovery due to severe cardiovascular, pulmonary, neurological, metabolic, or rheumatologic disease (requires special consultation) Any contraindication or known anaphylactic or severe systemic reaction to either human blood products or materials of bovine origin Subjects with a current positive (>=5 mm induration for high-risk subjects; otherwise >=10 mm of induration) purified protein derivative (PPD) test are excluded unless they have completed a full course of treatment for latent TB and have a negative chest x-ray film at enrollment. Known history of hypersensitivity to aminoglycosides or fluoroquinolones Use of any investigational product within 3 months Prior participation in the study Currently smoking Current incarceration for any reason Unwillingness, inability, or unlikely compliance of individual and/or primary caregiver with study related schedules procedures, management, or follow -up in the opinion of the PI and/or co-investigators Any circumstance in which the investigator deems participation in the study is not in the subject's best interest Subjects with an ALT or AST value >3 times the upper limit of normal Subjects with acute or chronic abdominal skin infections and/or acute or chronic abdominal inflammatory conditions such as inflammatory bowel disease Subjects with uncontrolled diabetes defined as HgA1c>10, unstable cardiac and/or pulmonary disorders, or bleeding disorders Active malignant neoplasm (with the exception of localized non-melanoma skin cancer) that is untreated, unresponsive to available treatment, or too recently treated to determine relapse risk. Surgical procedure for transplantation cannot be successfully performed for anatomical reasons Life expectancy with successful transplantation is estimated to be <5 years for any reason. There is any other disease, physical examination finding, or clinical laboratory result that provides a reasonable suspicion of a disease or condition that contraindicates the procedure or the interpretation of results or render the subject at high risk for treatment complications, or Serious or uncontrolled psychiatric illness or disorder that could compromise their understanding of, or compliance with, follow-up visits/care after transplant, or Taking medications on specified hourly intervals that may be affected by changes to renal clearance, or Hypertension stage II > 99th percentile, unless they had a complete workup to exclude secondary etiologies other than being overweight, or Presence of severe coagulopathy, (hyper or hypo) Patient is not up to date on current CDC recommended vaccines
Central Contact Person:
First Name & Middle Initial & Last Name or Official Title & Degree
Vidhu Joshi
Phone
(507) 538-5772
Email
Kroeninger.Tessa@mayo.edu
First Name & Middle Initial & Last Name or Official Title & Degree
Patricio Gargollo, MD
Email
gargollo.patricio@mayo.edu
Overall Study Officials:
First Name & Middle Initial & Last Name & Degree
Patricio Gargollo, MD
Organizational Affiliation
Mayo Clinic
Official's Role
Principal Investigator
Facility Information:
Facility Name
Mayo Clinic
City
Rochester
State/Province
Minnesota
ZIP/Postal Code
55901
Country
United States
Individual Site Status
Recruiting
Facility Contact:
First Name & Middle Initial & Last Name & Degree
Tessa Kroeninger
Phone
507-538-6107
Email
Kroeninger.Tessa@mayo.edu
Facility Name
Mayo Clinic in Rochester
City
Rochester
State/Province
Minnesota
ZIP/Postal Code
55905
Country
United States
Individual Site Status
Recruiting

12. IPD Sharing Statement

Plan to Share IPD
No
Links:
URL
https://www.mayo.edu/research/clinical-trials
Description
Mayo Clinic Clinical Trials

Learn more about this trial

Concomitant Renal and Urinary Bladder Allograft Transplantation

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