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Pinaverium and Herbs for Irritable Bowel Syndrome Treatment: an Onset and Offset Study (PHIBEST)

Irritable Bowel Syndrome Clinical Trial

Official title:
A Randomized, Double-blind, and Placebo-controlled Study on the Treatments of Irritable Bowel Syndrome

Clinical Trial Summary

The purpose of this study is to test the onset of action, offset of action, efficacy, and safety of pinaverium and an herbal medication for irritable bowel syndrome (IBS) for a long term (over one year). Pinaverium has been in many countries, but there is no randomized, double-blind, large sample size, and placebo-controlled study on this medication yet. Tong Xie Yao Fang (Formula for pain and diarrhea) is a historically and contemporarily used traditional Chinese medicine that can be used for IBS. The hypothesis is that the two remedies are effective and safe for IBS treatment with no significant different onset and offset of actions when tested by modern clinical standards and criteria.

Clinical Trial Description

Pinaverium bromide (pinaverium), an antispasmodics, is one of the most commonly used IBS medication worldwide. However, original clinical studies on pinaverium are scarce. Only five original clinical studies from Europe, one from Latin America, and one from Asian were found. These studies were single-centered and small sample sized (19 - 53 IBS patients) studies.

Tong Xie Yao Fang has long been used in China. Its efficacy and safety has not been evaluated by modern scientific method.

Effectiveness, onset and offset of actions are the most considered factors when physicians choose medications for IBS. Yet, to our knowledge, there are no clinical studies studied the onset and offset of actions of pinaverium, which remains one of the most transcribed IBS medications, and herbs, which are becoming more popular for treating IBS.

This study is designed to evaluate onset and offset of actions, efficacy, and safety over a long term (>1 year) of pinaverium and Tong Xie Yao Fang for IBS treatment in a double-blind, randomized, and large sample size clinical trial using placebo as a control. ;

Study Design

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

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT02330029
Study type Interventional
Source Macrohard Institute of Health
Contact
Status Active, not recruiting
Phase N/A
Start date August 2012
Completion date May 2017
View Details
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