Laxative Effectiveness of a Phytotherapeutic Tea

Status Completed

Clinical Trial Summary

The aim of this study is to evaluate the efficacy and safety of a phytotherapeutic laxative tea, composed by Pimpinella anisum, Foeniculum vulgare, Sambucus nigra and Cassia angustifolia, in a randomized crossover placebo-controlled clinical trial in patients with chronic constipation.

Clinical Trial Description

The Klein Laxative Tea is a pharmaceutical phytotherapeutic product that's been used for several years in Brazil for the treatment of constipation. This product contains fruit of Pimpinella anisum (green anises), fruit of Foeniculum vulgare (fennel), flowers of Sambucus nigra (elder tree) and flowers of Cassia angustifolia (senna). In spite of the beneficial effects of its components, separately demonstrated in vitro, it never had its effectiveness appraised in a randomized clinical trial.The purpose of this study was to evaluate the efficacy and safety of this product in a randomized crossover placebo-controlled clinical trial. Twenty patients presenting with the criteria of the American Association of Gastroenterology for chronic constipation were included, and concluded a two-phase crossover study. The primary endpoint was the evaluation of the intestinal transit time measured through radiological technique. The secondary endpoints were the number of evacuations, subjective impression of the quality in the intestinal habit, quality of life appraised through WHOQOL-brief and adverse effects. ;

Study Design

Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Crossover Assignment, Masking: Single Blind (Subject), Primary Purpose: Treatment

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT00872430
Study type	Interventional
Source	Hospital de Clinicas de Porto Alegre
Contact
Status	Completed
Phase	Phase 2
Start date	July 2002
Completion date	June 2003

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