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Showing 25–42 of 18 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Recurrent UTIs Clear all
Completed No phase listed Observational Accepts healthy volunteers

Novel Probiotic Treatment for Prevention of Recurrent UTIs in Children

NCT01696227
View directory record Official record
Conditions
Recurrent UTIs, Catheter-Related Infections
Interventions
Nissle 1917
Drug
Lead sponsor
Nationwide Children's Hospital
Other
Eligibility
Not listed
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 14, 2014 · Synced Jun 26, 2026, 2:43 PM EDT
Completed Not applicable Interventional Results available

Fractional CO2 Vaginal LASER Therapy for Recurrent Urinary Tract Infection

NCT04301934
View directory record Official record
Conditions
Urinary Tract Infections
Interventions
Mona Lisa Touch, Conjugated estrogen, Estradiol
Device · Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older · Female only
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Mar 25, 2024 · Synced Jun 26, 2026, 2:43 PM EDT
Completed Phase 2 Interventional

Cranberry Juice for the Prevention of Recurrent Urinary Tract Infections

NCT00128128
View directory record Official record
Conditions
Urinary Tract Infections
Interventions
Cranberry juice cocktail
Drug
Lead sponsor
National Center for Complementary and Integrative Health (NCCIH)
NIH
Eligibility
18 Years to 45 Years · Female only
Enrollment
176 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
2
States / cities
New Haven, Connecticut • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jun 3, 2015 · Synced Jun 26, 2026, 2:43 PM EDT
Withdrawn Phase 2 Interventional

Probiotics for Girls With Recurring Urinary Tract Infections

NCT00789464
View directory record Official record
Conditions
Recurrent Urinary Tract Infection
Interventions
Lactobacillus reuteri DSM 17938, trimethoprim/sulfamethoxazole
Dietary Supplement · Drug
Lead sponsor
Baylor College of Medicine
Other
Eligibility
3 Months to 17 Years · Female only
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 17, 2020 · Synced Jun 26, 2026, 2:43 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Intravesical Gentamicin to Prevent Recurrent UTI

NCT06332781
View directory record Official record
Conditions
Recurrent Uti
Interventions
Gentamicin, Nitrofurantoin
Drug
Lead sponsor
Women and Infants Hospital of Rhode Island
Other
Eligibility
40 Years and older · Female only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Apr 14, 2026 · Synced Jun 26, 2026, 2:43 PM EDT
Withdrawn Phase 3 Interventional

Clinical Trial on the Preventive Effect of Intravaginal Prasterone on Recurrent Urinary Tract Infections in Postmenopausal Women

NCT03854396
View directory record Official record
Conditions
Recurrent Urinary Tract Infection, Postmenopause, Postmenopausal Syndrome, Postmenopausal Symptoms, Menopause
Interventions
Prasterone, Placebo
Drug
Lead sponsor
Olivia Cardenas-Trowers, M.D.
Other
Eligibility
18 Years and older · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Jun 29, 2021 · Synced Jun 26, 2026, 2:43 PM EDT
Recruiting Phase 1 Interventional

Daily Nitrofurantoin Versus Bladder Fulguration Plus Daily Nitrofurantoin for Women With Recurrent Urinary Tract Infections

NCT06907199
View directory record Official record
Conditions
Recurrent UTIs, Cystitis Recurrent
Interventions
Electrofulguration (EF), Nitrofurantoin (NF)
Procedure · Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 85 Years · Female only
Enrollment
104 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
2
States / cities
Kansas City, Kansas • Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Apr 30, 2026 · Synced Jun 26, 2026, 2:43 PM EDT
Completed Phase 4 Interventional Results available

Vaginal Estrogen for the Prevention of Recurrent Urinary Tract Infection in Postmenopausal Women

NCT01958073
View directory record Official record
Conditions
Recurrent Urinary Tract Infection
Interventions
Conjugated Estrogen Vaginal Cream, Estradiol Ring, Placebo
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 100 Years · Female only
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
2
States / cities
La Jolla, California • New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 20, 2020 · Synced Jun 26, 2026, 2:43 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Rigid Versus Flexible Cystoscopy in Women

NCT00214045
View directory record Official record
Conditions
Hematuria, Urination Disorders, Voiding Dysfunction, Recurrent Urinary Tract Infection
Interventions
Flexible Cystoscopy, Rigid Cystoscopy
Device
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older · Female only
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2009
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated May 14, 2019 · Synced Jun 26, 2026, 2:43 PM EDT
Completed Phase 4 Interventional Results available

Preventing Recurrent UTI With Vaginal Estrogen

NCT05551949
View directory record Official record
Conditions
Recurrent Urinary Tract Infection, Urinary Tract Infections, Cystitis Recurrent
Interventions
Vaginal estradiol tablets
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
55 Years to 100 Years · Female only
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2026 · Synced Jun 26, 2026, 2:43 PM EDT
Terminated Early Phase 1 Interventional

Hyperbaric Oxygen Therapy for Inflammatory Conditions of the Urinary Bladder

NCT03143920
View directory record Official record
Conditions
Chronic Interstitial Cystitis, Painful Bladder Syndrome, Recurrent Urinary Tract Infection
Interventions
Hyperbaric Oxygen Therapy-
Combination Product
Lead sponsor
University of California, San Diego
Other
Eligibility
35 Years to 70 Years · Female only
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Jul 10, 2022 · Synced Jun 26, 2026, 2:43 PM EDT
Completed No phase listed Observational

Diagnosis, Antibiotic Prescribing Practices and Outcomes of cUTI in an Outpatient Setting

NCT05091931
View directory record Official record
Conditions
Urinary Tract Infections
Interventions
Not listed
Lead sponsor
Pathnostics
Industry
Eligibility
18 Years and older
Enrollment
3,308 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
2
States / cities
Louisville, Kentucky • Royal Oak, Michigan
Source: ClinicalTrials.gov public record
Updated May 27, 2025 · Synced Jun 26, 2026, 2:43 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Methenamine Hippurate Versus Trimethoprim in the Prevention of Recurrent UTIs

NCT03077711
View directory record Official record
Conditions
Urinary Tract Infections, Recurrent
Interventions
Trimethoprim, Methenamine hippurate
Drug
Lead sponsor
Endeavor Health
Other
Eligibility
18 Years to 99 Years · Female only
Enrollment
92 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Skokie, Illinois
Source: ClinicalTrials.gov public record
Updated Jan 13, 2020 · Synced Jun 26, 2026, 2:43 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of a Cranberry Beverage on Women With Recent History of Urinary Tract Infections

NCT01776021
View directory record Official record
Conditions
Urinary Tract Infections, Infection, Urologic Diseases
Interventions
cranberry juice, placebo beverage
Other
Lead sponsor
Ocean Spray Cranberries, Inc.
Industry
Eligibility
20 Years to 70 Years · Female only
Enrollment
330 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
17
States / cities
Chandler, Arizona • Scottsdale, Arizona • San Diego, California + 14 more
Source: ClinicalTrials.gov public record
Updated Apr 26, 2015 · Synced Jun 26, 2026, 2:43 PM EDT
Terminated Phase 2Phase 3 Interventional Results available

Nutraceutical Efficacy for rUTI

NCT03395288
View directory record Official record
Conditions
Urinary Tract Infections
Interventions
D-Mannose
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
20 Years and older · Female only
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Feb 3, 2022 · Synced Jun 26, 2026, 2:43 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Fecal Microbiota Transplantation (FMT) for MDRO UTI

NCT03367910
View directory record Official record
Conditions
Urinary Tract Infections
Interventions
Fecal microbiota transplant
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Mar 17, 2022 · Synced Jun 26, 2026, 2:43 PM EDT
Completed Phase 2 Interventional Results available

Intravaginal LACTIN-V for Prevention of Recurrent Urinary Tract Infection

NCT00305227
View directory record Official record
Conditions
Urinary Tract Infection
Interventions
Lactin-V, Placebo
Drug
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2012
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Apr 13, 2023 · Synced Jun 26, 2026, 2:43 PM EDT
Completed Not applicable Interventional

Effects of Flourish on Recurrent Urinary Tract Infection

NCT05397782
View directory record Official record
Conditions
Urinary Tract Infections
Interventions
BioNourish, a component of Flourish HEC
Device
Lead sponsor
Vaginal Biome Science
Other
Eligibility
18 Years to 52 Years · Female only
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 6, 2024 · Synced Jun 26, 2026, 2:43 PM EDT