Caffeine Reduction and Overactive Bladder Symptoms

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

TERMINATED

Clinical Phase

NA

Total Enrollment

42 participants

Study Classification

INTERVENTIONAL

Study Start Date

2008-03-31

Study Completion Date

2009-06-30

Brief Summary

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A. Statement of Objective: To conduct a randomized trial to evaluate the impact of caffeine restriction on Overactive Bladder(OAB) symptoms including urinary frequency, nocturia, incontinence episodes, symptom severity and bother and quality of life.

B. Specific Aims/Hypothesis:

1. To determine if reduction in caffeine intake decreases urinary frequency, nocturia and incontinence episodes as measured on a 3-day voiding diary in women with Overactive Bladder (OAB).

We hypothesize that women with overactive bladder will report less frequent urination and decreased nocturia and incontinence episodes with caffeine reduction.
2. To determine whether caffeine reduction results in decreased symptom severity and bother and improved quality of life scores as measured by the Questionnaire for Incontinence Severity Index (ISI), Questionnaire for Urinary Incontinence Diagnosis (QUID), Urogenital Distress Inventory (UDI-6) and the Incontinence Impact Questionnaire (IIQ-7).

We hypothesize that women with OAB who reduce their intake of caffeine will report decreased symptom bother and improved quality of life as measured by the ISI, UDI-6 and the IIQ-

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Detailed Description

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Objective: To evaluate the impact of caffeine reduction education on urinary frequency.

Methods: Women with overactive bladder (OAB) symptoms who scored a 6 on the Questionnaire for Urinary Incontinence Diagnosis and who consumed at least 200 mg of caffeine daily were recruited. After completing baseline 3-day bladder diaries including amount and type of caffeine consumption, as well as validated urinary symptom severity, bother and quality of life questionnaires, women were randomized to receive caffeine reduction education vs. a control group who reviewed their voiding diary with no counseling to reduce caffeine; both groups were asked to maintain total fluid intake. Participants repeated the 3-day bladder diary and validated questionnaires following randomization. A total of 80 women were required to achieve 80% power with an alpha error of 0.05 to detect a difference of 1.3 in mean number of daily voids averaged over a 3-day voiding diary.

Conditions

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Overactive Bladder

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

SINGLE

Investigators

Study Groups

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Caffiene reduction group

Caffeine reduction group Intervention is to counseling to reduce caffeine intake

Group Type EXPERIMENTAL

Caffeine reduction

Intervention Type BEHAVIORAL

patients are randomized to receive caffeine reduction counseling versus no caffeine reduction counseling

No caffeine reduction group

No Caffeine reduction group Intervention is to not counsel regarding caffeine intake

Group Type NO_INTERVENTION

No interventions assigned to this group

Interventions

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Caffeine reduction

patients are randomized to receive caffeine reduction counseling versus no caffeine reduction counseling

Intervention Type BEHAVIORAL

Eligibility Criteria

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Inclusion Criteria

* only women 18 years and older with Overactive Bladder syndrome and who report that they consume an average of two cups of caffeinated beverages (approximately 200mg caffeine) daily will be included.

Exclusion Criteria

* Women presenting with stress predominate bladder symptoms as evaluated by the QUID, urinary tract infection or hematuria as evaluated on urine dip analysis, currently pregnant or pregnant within the past six months or history of radiation to the pelvic floor will be excluded from participation

Minimum Eligible Age

18 Years

Eligible Sex

FEMALE

Accepts Healthy Volunteers

Yes