Cranberry Juice for the Prevention of Recurrent Urinary Tract Infections
Cranberry and Prevention of UTI A Comprehensive Approach
1 other identifier
interventional
176
1 country
2
Brief Summary
This study will determine whether cranberry juice is effective in reducing recurrent urinary tract infections (UTIs) in women who have had a UTI within the past year.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for phase_2
Started Aug 2005
Typical duration for phase_2
2 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
August 1, 2005
CompletedFirst Submitted
Initial submission to the registry
August 5, 2005
CompletedFirst Posted
Study publicly available on registry
August 9, 2005
CompletedPrimary Completion
Last participant's last visit for primary outcome
December 1, 2008
CompletedStudy Completion
Last participant's last visit for all outcomes
June 1, 2009
CompletedJune 4, 2015
May 1, 2015
3.3 years
August 5, 2005
May 14, 2015
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Rate of UTIs
6 months
Secondary Outcomes (2)
Compliance
6 months
vaginal and rectal colonization with E. coli
6 months
Study Arms (4)
Arm 1
ACTIVE COMPARATORCranberry Juice Cocktail- 4 ounces
Arm 2
ACTIVE COMPARATORCranberry Juice Cocktail-8 ounces
Arm 3
PLACEBO COMPARATORPlacebo- 4 ounces
Arm 4
PLACEBO COMPARATORPlacebo- 8 ounces
Interventions
Participants will consume 4 or 8 ounces of Cranberry Juice Cocktail or Placebo daily for 6 months.
Eligibility Criteria
You may qualify if:
- At least one UTI within 12 months prior to study entry
- Premenopausal
- Agree to avoid all foods that contain plants from the genus Vaccinium (related to cranberries) for the duration of the study
You may not qualify if:
- Anatomic abnormalities of the urinary tract
- History of kidney stones
- Bacteria in the urine (bacteriuria)
- Use of prophylactic antibiotics within 7 days prior to study entry
- Use of investigational drugs within 30 days prior to study entry
- Current use of warfarin
- Diabetes
- Cancer. Participants with skin cancer are not excluded.
- Allergy or intolerance of cranberry products
- Symptomatic vaginitis
- Pregnant or breastfeeding
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (2)
Yale New Haven Hospital
New Haven, Connecticut, 06520, United States
University of Washington
Seattle, Washington, 02195, United States
Related Publications (3)
Stapleton AE, Dziura J, Hooton TM, Cox ME, Yarova-Yarovaya Y, Chen S, Gupta K. Recurrent urinary tract infection and urinary Escherichia coli in women ingesting cranberry juice daily: a randomized controlled trial. Mayo Clin Proc. 2012 Feb;87(2):143-50. doi: 10.1016/j.mayocp.2011.10.006.
PMID: 22305026RESULTWilliams G, Stothart CI, Hahn D, Stephens JH, Craig JC, Hodson EM. Cranberries for preventing urinary tract infections. Cochrane Database Syst Rev. 2023 Nov 10;11(11):CD001321. doi: 10.1002/14651858.CD001321.pub7.
PMID: 37947276DERIVEDWilliams G, Hahn D, Stephens JH, Craig JC, Hodson EM. Cranberries for preventing urinary tract infections. Cochrane Database Syst Rev. 2023 Apr 17;4(4):CD001321. doi: 10.1002/14651858.CD001321.pub6.
PMID: 37068952DERIVED
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Kalpana Gupta, MD, MPH
Boston University
Study Design
- Study Type
- interventional
- Phase
- phase 2
- Allocation
- RANDOMIZED
- Masking
- QUADRUPLE
- Who Masked
- PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
- Purpose
- PREVENTION
- Intervention Model
- PARALLEL
- Sponsor Type
- NIH
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
August 5, 2005
First Posted
August 9, 2005
Study Start
August 1, 2005
Primary Completion
December 1, 2008
Study Completion
June 1, 2009
Last Updated
June 4, 2015
Record last verified: 2015-05