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Dietary Supplement

Effects of Cranberry-Containing Products in Women With Recurrent Urinary Tract Infections (UTIs)

Phase 2
Waitlist Available
Led By Lynn Stothers, MD
Research Sponsored by National Center for Complementary and Integrative Health (NCCIH)
Eligibility Criteria Checklist
Specific guidelines that determine who can or cannot participate in a clinical trial
Must have
Be older than 18 years old
Timeline
Screening 3 weeks
Treatment Varies
Follow Up end of study

Summary

The purpose of this study is to determine the role of cranberry-containing products in preventing urinary tract infections (UTIs).

Eligible Conditions
  • UTI

Timeline

Screening ~ 3 weeks
Treatment ~ Varies
Follow Up ~end of study
This trial's timeline: 3 weeks for screening, Varies for treatment, and end of study for reporting.

Treatment Details

Study Objectives

Study objectives can provide a clearer picture of what you can expect from a treatment.
Primary study objectives
Minimum dose of cranberry-containing product necessary to achieve a 30% prophylaxis of UTIs in women with recurrent UTIs
Whether proanthocyanidin concentration in the urine correlates with UTI prophylaxis
Whether the degree of UTI prophylaxis is related to the dose of cranberry-containing product (dose response curve)

Trial Design

2Treatment groups
Active Control
Placebo Group
Group I: Cranberry JuiceActive Control2 Interventions
Cranberry Juice provided by Ocean Spray
Group II: Placebo cranberry juicePlacebo Group1 Intervention
Taken orally

Find a Location

Who is running the clinical trial?

National Center for Complementary and Integrative Health (NCCIH)Lead Sponsor
865 Previous Clinical Trials
673,942 Total Patients Enrolled
Office of Dietary Supplements (ODS)NIH
54 Previous Clinical Trials
54,137 Total Patients Enrolled
Lynn Stothers, MDPrincipal InvestigatorBladder Care Centre, University of British Columbia
~19 spots leftby Dec 2025