Herbal Medicine Maekmundong-Tang on Patients with Nonspecific Chronic Cough: Study Protocol for a Double-Blind, Randomized Controlled Clinical Trial

As the treatment of nonspecific chronic cough with conventional medications that treat cough according to the cause is limited, (comprising Liriopis seu Ophiopogonis Tuber, Pinelliae Tuber, Oryzae Semen, Zizyphi Fructus, Ginseng Radix, and Glycyrrhizae Radix et Rhizoma) has been used empirically in...

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Bibliographic Details
Published in:International journal of environmental research and public health 2023-02, Vol.20 (5), p.4164
Main Authors: Lee, Boram, Park, Hyo-Ju, Jung, So-Young, Kwon, O-Jin, Park, Yang-Chun, Yang, Changsop
Format: Article
Language:English
Subjects:
Asthma
Chronic Disease
Clinical medicine
Clinical practice guidelines
Clinical trials
Cough
Cough - etiology
Disease
Double-Blind Method
Double-blind studies
Drugs, Chinese Herbal - adverse effects
Evaluation
Feasibility studies
Gastroesophageal reflux
Ginseng
Herbal medicine
Histamine
Hospitals
Humans
Laboratory tests
Medicine
Patients
Plant Extracts - therapeutic use
Plants, Medicinal
Quality of Life
Randomized Controlled Trials as Topic
Semen
Study Protocol
Substance abuse treatment
Treatment Outcome
Tuberculosis
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Summary:As the treatment of nonspecific chronic cough with conventional medications that treat cough according to the cause is limited, (comprising Liriopis seu Ophiopogonis Tuber, Pinelliae Tuber, Oryzae Semen, Zizyphi Fructus, Ginseng Radix, and Glycyrrhizae Radix et Rhizoma) has been used empirically in the clinical setting of East Asian traditional medicine. This study is the first to explore the feasibility, preliminary effect, safety, and cost-effectiveness of for nonspecific chronic cough. This study protocol is that of a double-blind, randomized, active-controlled, parallel-group clinical trial for comparing with (comprising Liriopis seu Ophiopogonis Tuber, Ginseng Radix, and Schisandrae Fructus), a Korean national health insurance-covered herbal medicine for cough. A total of 30 nonspecific chronic cough patients will participate and receive the assigned herbal medicine for 6 weeks, and clinical parameters will be assessed at weeks 0 (baseline), 3 (midterm assessment), 6 (primary endpoint), 9, and 24 (follow-up). Study feasibility outcomes, including recruitment, adherence, and completion rates, will be assessed. Preliminary effects on cough severity, frequency, and quality of life will be evaluated using outcome measures, such as the Cough Symptom Score, Cough Visual Analog Scale, and the Leicester Cough Questionnaire. Adverse events and laboratory tests will be monitored for safety evaluation, and exploratory economic evaluations will be conducted. The results will provide evidence of in the treatment of nonspecific chronic cough.
ISSN:1660-4601
1661-7827
1660-4601
DOI:10.3390/ijerph20054164