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ClinicalTrials.gov public records Last synced Oct 20, 2026, 4:57 PM EDT

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Showing 1–24 of 42 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Recurrent UTIs Clear all
Terminated Phase 4 Interventional Results available

Efficacy and Mechanism of Action of Methenamine Hippurate (Hiprex™) in Women With Recurring Urinary Tract Infections.

NCT04709601
View directory record Official record
Conditions
Urinary Tract Infections
Interventions
Hiprex
Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
50 Years to 85 Years · Female only
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Feb 24, 2026 · Synced Oct 20, 2026, 4:57 PM EDT
Completed No phase listed Observational

Asymptomatic Renal Calculi in Recurrent Urinary Tract Infections

NCT04495699
View directory record Official record
Conditions
Urinary Tract Infections, Kidney Stone
Interventions
None - observational
Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
94 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
5
States / cities
Phoenix, Arizona • San Diego, California • Boston, Massachusetts + 2 more
Source: ClinicalTrials.gov public record
Updated Oct 21, 2025 · Synced Oct 20, 2026, 4:57 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 14, 2023 · Synced Oct 20, 2026, 4:57 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Withdrawn Phase 3 Interventional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 30, 2021 · Synced Oct 20, 2026, 4:57 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Fecal Microbiota Transplantation for the Treatment of Recurrent Urinary Tract Infections

NCT03050515
View directory record Official record
Conditions
Recurrent Urinary Tract Infection
Interventions
Fecal Microbiota Transplantation
Biological
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years to 100 Years · Female only
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Orange, California
Source: ClinicalTrials.gov public record
Updated Jun 18, 2020 · Synced Oct 20, 2026, 4:57 PM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Uqora Supplements in Women With UTIs

NCT04024046
View directory record Official record
Conditions
Urinary Tract Infections
Interventions
Uqora, Group1, Group 2
Dietary Supplement
Lead sponsor
Hawthorne Effect Inc.
Other
Eligibility
18 Years and older · Female only
Enrollment
360 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Sep 27, 2022 · Synced Oct 20, 2026, 4:57 PM EDT
Recruiting Phase 4 Interventional

Topical Steroids to Prevent Recurrent Urinary Tract Infections in Uncircumcised Male Infants: a Pilot Study

NCT07508124
View directory record Official record
Conditions
Urinary Tract Infection
Interventions
betamethasone valerate 0.1% cream, Placebo cream
Drug
Lead sponsor
Baylor College of Medicine
Other
Eligibility
0 Months to 5 Months · Male only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
3
States / cities
Houston, Texas • Katy, Texas • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Aug 7, 2026 · Synced Oct 20, 2026, 4:57 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

A Novel Probiotic-antibiotic Combination to Prevent Recurrent Urinary Tract Infections

NCT06149676
View directory record Official record
Conditions
Recurrent Uti
Interventions
Saccharomyces Boulardii 250 MG [Florastor]
Drug
Lead sponsor
Ann & Robert H Lurie Children's Hospital of Chicago
Other
Eligibility
2 Years to 17 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 1, 2026 · Synced Oct 20, 2026, 4:57 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 Jul 23, 2026 · Synced Oct 20, 2026, 4:57 PM EDT
Not yet recruiting No phase listed Observational

Emotional Urinary Tract Infection

NCT07191041
View directory record Official record
Conditions
Urinary Tract Infection(UTI), Recurrent Urinary Tract Infections
Interventions
Not listed
Lead sponsor
Northwell Health
Other
Eligibility
18 Years and older · Female only
Enrollment
170 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Syosset, New York
Source: ClinicalTrials.gov public record
Updated Sep 24, 2025 · Synced Oct 20, 2026, 4:57 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

EHR-integrated rUTI Texting Platform

NCT06035601
View directory record Official record
Conditions
Recurrent Urinary Tract Infection
Interventions
EHR-integrated texting platform (Urotrust), Usual care
Device · Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 100 Years · Female only
Enrollment
102 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 20, 2026 · Synced Oct 20, 2026, 4:57 PM EDT
Completed Not applicable Interventional

Vaginal Care System for Menopausal Women With Urinary Tract Infections

NCT05573334
View directory record Official record
Conditions
Urinary Tract Infections, Vaginal Flora Imbalance
Interventions
BioNourish
Device
Lead sponsor
Vaginal Biome Science
Other
Eligibility
Up to 89 Years · Female only
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Newark, Delaware
Source: ClinicalTrials.gov public record
Updated Jan 28, 2026 · Synced Oct 20, 2026, 4:57 PM EDT
Recruiting Not applicable Interventional

A Trial of D-mannose for the Prophylaxis of Recurrent Urinary Tract Infections

NCT06940622
View directory record Official record
Conditions
Recurrent UTIs, Recurrent Urinary Tract Infections, Recurrent Urinary Tract Infections in Women, Recurrent Urinary Tract Infection, Cystitis Recurrent, Cystitis Chronic, UTI, UTI - Urinary Tract Infection, UTI - Lower Urinary Tract Infection
Interventions
D-Mannose, Placebo
Dietary Supplement
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
55 Years to 85 Years · Female only
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Sep 22, 2025 · Synced Oct 20, 2026, 4:57 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Vaccine for Recurrent Urinary Tract Infections in Women

NCT00261248
View directory record Official record
Conditions
Recurrent Urinary Tract Infections in Women
Interventions
Immunization with inactivated bacteria
Biological
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 75 Years · Female only
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1996 – 2003
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 5, 2015 · Synced Oct 20, 2026, 4:57 PM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers

Prevention of Recurrent UTI Using Vaginal Testosterone Versus Placebo Placebo

NCT04807894
View directory record Official record
Conditions
Recurrent Urinary Tract Infection, Vaginal Atrophy, Postmenopausal Disorder
Interventions
Vaginal Cream with Applicator
Drug
Lead sponsor
Jefferson Drapkin
Other
Eligibility
60 Years to 90 Years · Female only
Enrollment
67 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2026
U.S. locations
1
States / cities
Brooklyn, New York
Source: ClinicalTrials.gov public record
Updated Sep 17, 2026 · Synced Oct 20, 2026, 4:57 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 18, 2020 · Synced Oct 20, 2026, 4:57 PM EDT
Active, not recruiting Phase 4 Interventional Accepts healthy volunteers

Adherence to Vaginal Estrogen Therapy in Hypoestrogenic Women With Recurrent Urinary Tract Infections

NCT06353269
View directory record Official record
Conditions
Recurrent Urinary Tract Infection, Hypoestrogenism
Interventions
Estring Vaginal Product, Vagifem, Estrace 0.01% Vaginal Cream
Drug
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years and older · Female only
Enrollment
111 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Orange, California
Source: ClinicalTrials.gov public record
Updated Jun 11, 2026 · Synced Oct 20, 2026, 4:57 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 7, 2024 · Synced Oct 20, 2026, 4:57 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 15, 2019 · Synced Oct 20, 2026, 4:57 PM EDT
Completed Early Phase 1 Interventional

Recurrent Urinary Tract Infections and Heparin (RUTIH Trial)

NCT02246270
View directory record Official record
Conditions
Recurrent Urinary Tract Infections
Interventions
Intravesical Heparin, Placebo
Drug · Other
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years to 85 Years · Female only
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2026
U.S. locations
1
States / cities
Tulsa, Oklahoma
Source: ClinicalTrials.gov public record
Updated Apr 6, 2026 · Synced Oct 20, 2026, 4:57 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 27, 2015 · Synced Oct 20, 2026, 4:57 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Probiotics and Multi-Drug Resistant Urinary Tract Infection

NCT03644966
View directory record Official record
Conditions
Urinary Tract Infections, Recurrent UTI, Antibiotic Resistant Infection
Interventions
Bifidobacterium infantis, Placebo, Antibiotics
Dietary Supplement · Other · Drug
Lead sponsor
Ochsner Health System
Other
Eligibility
18 Years to 90 Years · Female only
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
1
States / cities
Jefferson, Louisiana
Source: ClinicalTrials.gov public record
Updated Apr 12, 2023 · Synced Oct 20, 2026, 4:57 PM EDT
Active, not recruiting Phase 4 Interventional

Preference of Women With Recurrent Urinary Tract Infection for Vaginal Estradiol Tablet vs Cream

NCT05723601
View directory record Official record
Conditions
Recurrent Urinary Tract Infection
Interventions
Estradiol vaginal cream, Estradiol Vaginal Tablet
Drug
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
20 Years to 80 Years · Female only
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 2, 2025 · Synced Oct 20, 2026, 4:57 PM EDT
Completed Phase 2 Interventional Results available

Periurethral vs Intravaginal Estrogen for Prevention of Recurrent Urinary Tract Infections

NCT05472779
View directory record Official record
Conditions
Recurrent Urinary Tract Infection
Interventions
Periurethral application of estradiol cream, Intravaginal application of estradiol cream
Drug
Lead sponsor
Stephanie Wang Zuo
Other
Eligibility
18 Years and older · Female only
Enrollment
114 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
4
States / cities
Cranberry Township, Pennsylvania • Erie, Pennsylvania • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 24, 2026 · Synced Oct 20, 2026, 4:57 PM EDT