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Bryophyllum Versus Placebo for Overactive Bladder

2014-07-23 21:09:01 | BioPortfolio

Summary

E: The pharmacological effect of Bryophyllum pinnatum could be shown on uterine smooth muscle cells, on spontaneous and oxytocin-stimulated contractions. Smooth muscle relaxation is not only required for preventing premature labour but also for symptom's relief of overactive bladder (OAB). According to previous preclinical and clinical studies, an inhibiting effect of Bryophyllum on OAB is assumed.

20 women are included in this phase 2 drug study, treated with Bryophyllum pinnatum in form of the commercially available Bryophyllum tablets into capsules (verum: 3x2capsules/day) or lactose capsules (placebo: 3x2 capsules/day), 10 women in each group. Duration of the drug administration is 8 weeks.

Primary endpoint is the reduction of micturitions per 24 hours (measured by filling in a voiding dairy), secondary endpoints are the improvement of quality of life (measured by using the King's Health Questionnaire and the ICIQ-OAB, two questionnaires, validated for the german language, for women with incontinence), increase of the micturition volumes and reduction of urge episodes (measured by the patients and recorded in a voiding dairy) and the registration of adverse events during the study phase. Ethics committee approval has been given 10th March 2010. - Trial with medicinal product

Description

In the therapeutic concept of the treatment of OAB, antimuscarinic drugs play a central role. Antimuscarinics are known to inhibit the contraction of detrusor muscle (smooth muscle cells) and block the muscarinic receptor (M2/M3) important for efferent nerve conduction. This conventional therapy for OAB can have important adverse effects, notably on the gastrointestinal tract with constipation, on the excretory glands in the sense of xerostomia/xerophthalmia, on the nerve cells of the brain inhibiting cognitive function and in the heart muscle cells accelerating the heart rate. Especially elderly people are affected by these undesirable effects. Because of changes in the receptor profile, the effect of antimuscarinics and improvement of symptoms might be lowered in elderly people and another substance with less side effects would be of great interest. No such adverse effects are reported for B. pinnatum. Until now, there are no data for its use in OAB. Efficacy and tolerability of B. pinnatum in the treatment of OAB are the major outcome measures of this clinical trial.

- 20 women are included in this phase 2 drug study, treated with Bryophyllum pinnatum in form of the commercially available Bryophyllum tablets into capsules (verum: 3x2capsules/day) or lactose capsules (placebo: 3x2 capsules/day), 10 women in each group. Recruitment time is planned from July 2010 to June 2011.

- Duration of the drug administration is 8 weeks.

- Primary endpoint is the reduction of micturitions per 24 hours (measured by filling in a voiding dairy)

- secondary endpoints are the improvement of quality of life (measured by using the King's Health Questionnaire and the ICIQ-OAB, two questionnaires, validated for the german language, for women with incontinence), increase of the micturition volumes and reduction of urge episodes (measured by the patients and recorded in a voiding dairy) and the registration of adverse events during the study phase. Ethics committee decision has been given.

Study Design

Allocation: Randomized, Control: Placebo Control, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor), Primary Purpose: Treatment

Conditions

Overactive Bladder

Intervention

Bryophyllum pinnatum, Placebo in form of Lactose

Location

Department of Obstetrics and Gynecology
Zurich
Switzerland
8091

Status

Not yet recruiting

Source

University of Zurich

Results (where available)

View Results

Links

Published on BioPortfolio: 2014-07-23T21:09:01-0400

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Medical and Biotech [MESH] Definitions

Symptom of overactive detrusor muscle of the URINARY BLADDER that contracts with abnormally high frequency and urgency. Overactive bladder is characterized by the frequent feeling of needing to urinate during the day, during the night, or both. URINARY INCONTINENCE may or may not be present.

The condition resulting from the absence or deficiency of LACTASE in the MUCOSA cells of the GASTROINTESTINAL TRACT, and the inability to break down LACTOSE in milk for ABSORPTION. Bacterial fermentation of the unabsorbed lactose leads to symptoms that range from a mild indigestion (DYSPEPSIA) to severe DIARRHEA. Lactose intolerance may be an inborn error or acquired.

Plasmids which determine the ability of a bacterium to ferment lactose.

A measure of a patient's ability to break down lactose.

An enzyme of the transferase class that catalyzes the transfer of galactose from UDPgalactose to glucose, forming lactose. The enzyme is a complex of the enzyme N-ACETYLLACTOSAMINE SYNTHASE and alpha-lactalbumin; the latter protein is present in lactating mammary gland cells where it alters the usual specificity of the former to make lactose synthesis the preferred reaction. (Dorland, 28th ed) EC 2.4.1.22.

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