The Effect of Increased Water Intake on the Frequency of the Clinical Recurrent Urinary Tract Infections in Pre-menopausal Women: S-HYDRACYST (S-HYDRACYST)
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ClinicalTrials.gov Identifier: NCT02444975 |
Recruitment Status :
Completed
First Posted : May 15, 2015
Last Update Posted : September 7, 2016
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Condition or disease | Intervention/treatment | Phase |
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Recurrent Urinary Tract Infection | Dietary Supplement: Mineral water Other: Coaching program Other: No intervention | Not Applicable |
This study aims to assess the effect of increased daily water intake on the frequency of clinical, recurrent urinary tract infections (UTI) among low drinking pre-menopausal women suffering from recurrent community-acquired UTI over 12 consecutive months of study product consumption. It is a prospective, single site, open-label, randomised controlled trial in two parallel groups:
- Control group: not changing their fluid intake habits
- Intervention group: provided with mineral water, fluid intake recommendations and regular hydration coaching support
The study population consists in pre-menopausal women diagnosed with recurrent UTIs and having a 'low drinker' profile.
The total number of randomized subjects in this study is estimated at 140. The study will include only women who are low-drinkers (< 1.5 L fluids per day; urinary volume < 1.2 L per day) since they are most likely to have a predisposition to UTIs due to infrequent voiding.
Study Type : | Interventional (Clinical Trial) |
Actual Enrollment : | 140 participants |
Allocation: | Randomized |
Intervention Model: | Parallel Assignment |
Masking: | None (Open Label) |
Primary Purpose: | Prevention |
Official Title: | The Effect of Increased Water Intake on the Frequency of the Clinical Recurrent Urinary Tract Infections in Pre-menopausal Women: S-HYDRACYST |
Study Start Date : | December 2013 |
Actual Primary Completion Date : | July 2016 |
Actual Study Completion Date : | July 2016 |

Arm | Intervention/treatment |
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Experimental: Increased water intake+coaching program
Women in the intervention group will be asked to increase their mineral water intake of 1.5L/day
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Dietary Supplement: Mineral water
1.5L/day of water on top of the normal fluid intake for 1 year
Other Name: Evian mineral water Other: Coaching program Coaching program to support increased water intake |
No intervention
No intervention
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Other: No intervention
No intervention |
- Incidence of UTI [ Time Frame: 12 months ]Difference between groups in term of UTI recurrence over 12 months of study intervention

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Ages Eligible for Study: | 18 Years and older (Adult, Older Adult) |
Sexes Eligible for Study: | Female |
Accepts Healthy Volunteers: | Yes |
Inclusion Criteria:
- At least 3 clinical recurrences of symptomatic UTI in the last 12 months
- Age ≥ 18 years
Exclusion Criteria:
- Incapacity / non-willingness to consume 1.5 L of drinking water per day on top of their usual consumption
- Women with history of UTI complications (pyelonephritis or other) in the last 12 months
- Subjects with interstitial cystitis
- Subjects with severe or uncontrolled organic disease, likely to interfere with the parameters of the study

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT02444975
Bulgaria | |
Mc "Comac Medical" | |
Sofia, Bulgaria, 1612 |
Responsible Party: | Danone Research |
ClinicalTrials.gov Identifier: | NCT02444975 |
Other Study ID Numbers: |
NU369 |
First Posted: | May 15, 2015 Key Record Dates |
Last Update Posted: | September 7, 2016 |
Last Verified: | September 2016 |
Urinary Tract Infections Water intake |
Infection Communicable Diseases Urinary Tract Infections Urologic Diseases |