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OpenTrials
Completed

NCT Number: NCT03042273

High Strength Cranberry Supplementation for Prevention of Recurrent Urinary Tract Infection

This clinical trial is a Phase 2, multicenter, placebo-controlled, double-blind, parallel-arm study to evaluate the efficacy and safety of High Strength Cranberry (500mg Pacran®) in preventing UTI (cystitis) in women with a history of recurrent UTI (rUTI).

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Key information

Age range

18 year–65 year

Sex eligibility

Female

Study type

Interventional

Phase

Phase 2

Primary location

Holdsworth House Medical Centre, Sydney, New South Wales, Australia

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Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Females aged 18-65 years, inclusive
  • A history of recurrent urinary tract infection defined as ≥3 UTIs in the last year OR at least 2 UTIs occurring in the last 6 months. Each infection requires confirmation by a health professional
  • Willing to answer questionnaires and comply with the study requirements
  • Ability to swallow capsules
  • Provided Written Informed Consent
  • BMI >17.5kg m2 and <35kg m2

Exclusion criteria

  • Microbial growth on urine culture of ≥107 cfu/L (104cfu/mL) within 7 days of Day 1
  • A history of >5 UTIs in the last 6 months (confirmed by self-report or health professional)
  • Use of antibiotics or antibiotics for prophylaxis within 28 days of Day 1
  • Use of any antibacterial products, that in the opinion of the Medical Investigator may interfere with the study outcomes, within 28 days of Day 1
  • Regular use of Vaccinium containing products (e.g. all forms of blueberries, cranberries, bilberry, lingonberry , etc i.e fruit, dried fruit, pills, juices or supplements) within 28 days of Day 1 at the discretion of the Medical Investigator
  • Presence of an intermittent or indwelling urinary catheter
  • Anatomical abnormalities of the urinary tract
  • History of or known clinically significant renal or urological disease(self-reported)
  • Positive urine dipstick pregnancy test at screening onDay 1, currently pregnant and/or breastfeeding
  • Women of Childbearing potential not willing to use adequate and effective methods of contraception throughout the study
  • Women of child bearing potential that have not been using effective methods of contraception for 14 days prior to Day 1
  • History of or known clinically significant cardiac disease
  • History of or known clinically significant liver disease
  • History of or known clinically significant gastrointestinal disease
  • History of or known metabolic disorder or diabetes
  • History or presence of alcohol or illicit drug abuse,any surgical history, clinical condition or organ dysfunction that in the opinion of the Medical Investigator may affect the participant's ability to participate in the study or the study results
  • Currently hospitalised or any planned hospitalisations within 1 month following the last dose of study product
  • Immunocompromised participants or participants receiving immunosuppressive medication
  • History of an adverse reaction or known hypersensitivity or suspected allergy to the investigational product ingredients
  • Currently taking warfarin or has received Warfarin within 28 days of Day 1
  • Received an investigational drug within 28 days of Day 1

Treatment and study plan

High Strength Cranberry

Dietary Supplement

Softgel capsule

Other names: 25,000mg Vaccinium macrocarpon

Placebo

Dietary Supplement

Soy oil to match High Strength Cranberry Softgel Capsule

Other names: Placebo (for High Strength Cranberry)

Primary outcomes

  1. Incidence of UTI

    Time frame: 6 months

    cultured confirmed UTIs at a level of >108cfu/L (105cfu/mL)

Sponsors and collaborators

Lead sponsor

Swisse Wellness Pty Ltd

Industry

Collaborators

  • Commonwealth Scientific and Industrial Research Organisation, Australia

Registry information

Official study title

A Randomised, Double-blind, Placebo Controlled Study to Investigate the Efficacy and Safety of High Strength Cranberry (Pacran®) in Women With Recurrent Urinary Tract Infections (Cystitis)

Important dates

Study start
2017
Primary completion
2019
Study completion
2019
First posted
Feb 3, 2017
Registry last updated
Mar 18, 2020

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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