Study of the Effects of Chinese Herbal Medicine on Chronic Urticaria

Status Completed

Clinical Trial Summary

Urticaria is a common dermatology disease. Urticaria affects nearly 25% of the population at some time in their lives. Recurrent skin itch, insomnia, daily activities limitation greatly affect the quality of life. Some patient with chronic urticaria who had poor response to antihistamine may need second line medication. In United States, up to 54% chronic urticarial patient use oral corticosteroid to control. However, long-term use of oral steroids still needs to consider the impact of its side effects. Therefore, patients may seek for alternative medicine as an adjuvant therapy.

It is still lack large-scale clinical trials in Traditional Chinese Medicine research of chronic urticarial. The aim of this study is to conduct a double-blind, randomized clinical trial to analyze the effectiveness of Chinese medicine in chronic urticaria and its possible mechanisms.

Clinical Trial Description

Traditional Chinese medicine has been used widely in Taiwan for several diseases, such as allergic rhinitis, atopic dermatitis. For urticaria,certain antipruritic Chinese herbal medicine, such and Xiao-feng-san (XFS), Qing-shang-fang-fen-tang (QSFFT), have been commonly used in clinical practice, yet no clinical trials have been done to prove the effectiveness.

In this study, a double-blinded, randomized, placebo control trial is designed and total 100 chronic urticaria patients will be enrolled. All subjects will be divided into Chinese herbal medicine (CHM) and placebo control groups, in 1:1 allocation ratio. CHM group will receive capsule of mixture of XFS and QSFFT, 4gm four times a day, total 16 gm in a single day; while control group will receive placebo capsule with similar look, smell, and taste with same scheme. Total 1 month treatment course with 1 month follow-up study course will be done. Changes in symptom severity is the primary outcome, while improvement in sleep disturbance, and serologic marker evolution are the secondary outcome. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT01715740
Study type	Interventional
Source	Chang Gung Memorial Hospital
Contact
Status	Completed
Phase	Phase 3
Start date	November 2012
Completion date	November 2015

View Details

See also
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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.