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Antibiotics for Kidney Transplant Recipients

Study acronym: TASK
StatusNot Yet Recruiting
PhasePhase 4
Started2028-10
View on ClinicalTrials.gov ↗
Trial flagged as At Risk
Primary completion moved at least 35 months later Dec 2028 → Dec 2031
See other at-risk trials from University of California, San Francisco

Amendment history

2026-09-08
critical
Study Status, Eligibility v3
Primary completion pushed: 2028-12 → 2031-12
Completion pushed: 2029-01 → 2033-12
Start date2026-11→2028-10
Eligibility criteria-619 characters
Inclusion Criteria: Must be ableAble to take capsules orally Kidney transplant performed at a UC [...] ia, allergic reaction, or unexpected/excessive neutropenia) Considered "high risk for UTI" after kidney transplant, as defined by one or more of the following: (1) Congenital anomaly of kidney/urinary tract as kidney failure etiology, (2) Diagnosis of neurogenic bladder and/or use of clean intermittent catheterization and/or nightly continuous urinary draina [...] Exclusion Criteria: History of intolerance or allergy to tri [...]
2025-10-29
minor
Study Status, Eligibility v2
Eligibility criteria-2 characters
Inclusion Criteria: AgeMust 13-29be yearsable atto timetake ofcapsules recruitmentorally Kidney transplant performed at a UCSF facility within the l [...]
2025-09-17
minor
Study Status, Outcome Measures, Eligibility v1
Eligibility criteria+54 characters
[...] aly of kidney/urinary tract as kidney failure etiology, (2) Diagnosis of neurogenic bladder and/or use of clean intermittent catheterization and/or nightly continuous urinary drainage, (3) Diabetes mellitus (diagnosed either prior to or new-onset after transplant), (34) History of recurrent UTIs as diagnosed by a provider prior to transplant, (45) Occurrence of any UTI in first 6 months after transplant, (56) Delayed graft function (defined as need for dialysis within 7 days of transplant) Patient and/or caregiver ability to read and understand English or Spanish Exclusion Criteria: History of [...]
Secondary endpointsdetails revised at 4 of 4 entries
2025-07-29
minor
Original filing
The goal of this clinical trial is to learn if a common antibiotic called trimethoprim-sulfamethoxazole (TMP-SMX) can help prevent urinary tract infections (UTIs) in children and young adults who recently had a kidney transplant. Most people take TMP-SMX for about 6 months after getting a kidney transplant. In this study, researchers want to see what happens if people keep taking it for 6 more months. The main questions this study is asking are: * Does TMP-SMX lower the number of UTIs in the first year after transplant? * What side effects or problems do participants have while taking TMP-SMX? Researchers will compare TMP-SMX to a placebo (a look-alike pill that does not contain any medication) to see if TMP-SMX works to prevent UTIs. Participants will: * Take either TMP-SMX or a placebo pill by mouth every day for 6 months * Have three visits to touch base with the study team about any issues * Complete short monthly online surveys about any symptoms or side effects * Share blood and urine test results from their regular transplant clinic visits
Trial Details
NCT Number NCT07106125
Lead Sponsor University of California, San Francisco
Conditions Kidney Transplant, Urinary Tract Infection(UTI), Antibiotic Prophylaxis, Remote Patient Monitoring, Feasibility Pilot Study
Enrollment 50 participants
Start Date 2028-10
Primary Completion 2031-12 (estimated)
Study Completion 2033-12 (estimated)
Updated on ClinicalTrials.gov 2026-09-11