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Herbal Treatment for Perennial Allergic Rhinitis

NCT00456755 · Status: COMPLETED · Phase: PHASE2 · Type: INTERVENTIONAL · Enrollment: 126

Last updated 2010-01-06

Study results available
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Summary

Allergic rhinitis(AR) is one of the most common allergic disorders throughout the world.The conventional therapies are effective in alleviating symptoms but the efficacy are limited and not persistent. Furthermonre, the cost and side-effect are known defects. A classical Chinese herbal formula, has been used for AR for centries. Our study purpose is to evaluate the clinical efficacy and safety of this formula verus placebo in perennial allergic rhinitis (PAR).

Hypothesis: the classical herbal formula would improve the symptoms of PAR patients and change some immunological parameters in the peripheral blood when comparing with the placebo.

Conditions

  • Perennial Allergic Rhinitis

Interventions

DRUG

Shi-Bi-Lin

4 weeks of treatment, dose of 1 g (two capsules), twice daily

OTHER

Placebo

4 weeks of colormatched placebo capsules, dose of 1 g (two capsules), twice daily

Sponsors & Collaborators

  • Chinese University of Hong Kong

    lead OTHER

Principal Investigators

  • Zhao Yu, PhD · Department of ENT, Prince of Wales Hospital, The Chinese University of Hong Kong

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
QUADRUPLE
Model
PARALLEL

Eligibility

Min Age
18 Years
Max Age
65 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2004-03-31
Primary Completion
2006-04-30
Completion
2006-04-30

Countries

  • Hong Kong

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT00456755 on ClinicalTrials.gov