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Cranberry for Prevention of Urinary Tract Infections in Multiple Sclerosis Patients (CANNEBERGE)

This study is ongoing, but not recruiting participants.
Information provided by Rennes University Hospital

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Descriptive Information Fields
Brief Title  Cranberry for Prevention of Urinary Tract Infections in Multiple Sclerosis Patients
Official Title  Prospective, Randomized, Double-Blind, Placebo-Controlled Study on Parallel Groups Evaluating the Efficacy and Safety of Cranberry (Vaccinium Macrocarpon) in Prevention of Urinary Tract Infections in Multiple Sclerosis Patients.
Brief Summary

Bladder dysfunction occurs at some time in most patients with multiple sclerosis and these patients are prone to have recurrent urinary tract infections. Cranberry has been traditionally used for the treatment and prophylaxis of urinary tract infections but there is no reliable randomized controlled trial demonstrating evidence of cranberry's utility in this disease. The aim of our study is to assess the efficacy and safety of cranberry in the prophylaxis of urinary tract infections in patients with multiple sclerosis with a prospective randomized, double-blind and placebo-controlled clinical trial.

Detailed Description

Bladder dysfunction occurs at some time in 70 to 90% of patients with multiple sclerosis and these patients are prone to have recurrent urinary tract infections (UTI), leading to an important morbidity. Cranberry has been traditionally used for the treatment and prevention of UTI and research suggests that its mechanism of action is preventing bacterial adherence to host cell surface membrane.

However, systematic reviews show the small sample sizes and the poor quality of available trials, determining that there is no reliable evidence of effectiveness of cranberry in UTI prophylaxis. Therefore, to assess whether cranberry is effective in reducing UTI in patients with multiple sclerosis, we have designed a randomized, double-blind, placebo-controlled trial. Efficacy will be evaluated on the time to onset of a UTI in the first year of treatment.

Study Phase Phase III
Study Type  Interventional
Study Design  Prevention, Randomized, Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor), Placebo Control, Parallel Assignment, Safety/Efficacy Study
Primary Outcome Measure  Time to onset of a first UTI within one year of treatment. [ Time Frame: one year ] [ Designated as safety issue: No ]
Secondary Outcome Measure  Rate of patients with at least one UTI during the one-year treatment [ Time Frame: Determined at M3, M6, M9 and M12 ] [ Designated as safety issue: No ]
Number of UTI [ Time Frame: Determined at M3, M6, M9 and M12 ] [ Designated as safety issue: No ]
Score on Qualiveen® scale [ Time Frame: Determined at M3, M6, M9 and M12 ] [ Designated as safety issue: No ]
Symptomatology of urinary disorders [ Time Frame: Determined at M3, M6, M9 and M12 ] [ Designated as safety issue: No ]
EDSS score [ Time Frame: Determined at M3, M6, M9 and M12 ] [ Designated as safety issue: No ]
Number of multiple sclerosis attacks [ Time Frame: Determined at M3, M6, M9 and M12 ] [ Designated as safety issue: No ]
Antibiotics consumption [ Time Frame: Determined at M3, M6, M9 and M12 ] [ Designated as safety issue: No ]
Safety of cranberry [ Time Frame: Determined at M3, M6, M9 and M12 ] [ Designated as safety issue: Yes ]
Patients' observance to treatment [ Time Frame: Determined at M3, M6, M9 and M12 ] [ Designated as safety issue: No ]
Condition  Multiple Sclerosis
Urinary Tract Infections
Bladder Dysfunction
Intervention  Drug: Cranberry
Drug: Placebo
MEDLINE PMIDs
Links
Recruitment Information Fields
Recruitment Status  Active, not recruiting
Enrollment  290
Start Date  January 2006
Completion Date June 2008
Eligibility Criteria 

Inclusion Criteria:

  • Adults aged 18 to 70, with multiple sclerosis, neurologically stable for at least 3 months
  • With an EDSS score ≥ 3
  • Symptomatic bladder dysfunction: frequency, urgency, dysuria, incontinence (at least one of these symptoms), needing intermittent catheterization or not
  • Ambulatory at inclusion
  • Able to undergo evaluation
  • Informed written consent

Exclusion Criteria:

  • Regular consumption of cranberry within 3 months before inclusion
  • Symptomatic urinary tract infection at inclusion
  • Chronic renal failure (creatininemia < 10ml/min)
  • Patients with urinary permanent catheterization
  • Patients with hyperuricemia and risk of uric acid lithiasis
  • Patients with oral anticoagulant treatment (antivitamins K)
  • Peptic ulcer
  • Intolerance to cranberry and/or excipients
Gender Both
Ages 18 Years to 70 Years
Accepts Healthy Volunteers No
Contacts ††
Location Countries  France
Administrative Information Fields
NCT ID  NCT00280592
Organization ID AFSSAPS 051016
Secondary IDs †† PHRC/04-03, CIC0203/039
Study Sponsor  Rennes University Hospital
Collaborators †† Pierre Fabre Laboratories
Ministry of Health, France
Investigators 
Study Chair:     Jean-Michel Reymann, PhD     CHU Rennes    
Principal Investigator:     Philippe Gallien, MD     CHU Rennes    
Information Provided By Rennes University Hospital
Verification Date May 2008
First Received Date  January 20, 2006
Last Updated Date May 21, 2008

 †    Required WHO trial registration data element.
††   WHO trial registration data element that is required only if it exists.




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