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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT04851093
Other study ID # TCM for AECOPD Risk Window
Secondary ID
Status Recruiting
Phase N/A
First received
Last updated
Start date March 15, 2021
Est. completion date December 31, 2022

Study information

Verified date April 2021
Source Henan University of Traditional Chinese Medicine
Contact Hailong Zhang, doctor
Phone +86-0371-66248624
Email zhanghailong6@126.com
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

This study aims to objectively evaluate the clinical efficacy and safety of Traditional Chinese Medicine in the treatment of AECOPD Risk Window, providing a basis for the formulation of TCM treatment plan with AECOPD.


Description:

The incidence, mortality, and prevalence of chronic obstructive pulmonary disease (COPD) are high, with a prevalence among people 40 years of age or older of 10.1% worldwide and 13.7% in China. COPD has become the third leading cause of death worldwide. Acute exacerbations of COPD (AECOPD) are important events in the management of COPD because they negatively impact health status, readmission, and disease progression. Due to the non-random and non-accidental occurrence of AECOPD,with acute exacerbations occurring mainly in a centralized period after an acute exacerbation, and wide open to attack easily in this period, we call this "highly dangerous period" as "AECOPD Risk Window". The AECOPD Risk Window has persistent systemic inflammation and unstable lung function, which increases the risk of AECOPD recurrence and readmission. At present, western medicine has relatively mature treatment measures for COPD at the acute exacerbation stage and stable stage, however, there is no specific guidance on the medication of AECOPD Risk Window. COPD have been effectively treated with Chinese medicine for a long time. The study of syndrome regularity of "AECOPD Risk Window" provides a basis for the formulation of syndrome differentiation plan. This is a multi-center, randomized, double-blind, controlled trial to compare the efficacy of two therapies for patients with AECOPD Risk Window. 336 subjects will be randomly assigned in a 1:1 ratio to experimental group or control group for 8 weeks treatment and 18 weeks follow-up. On the basis of health education and conventional treatment, the experimental group will receive TCM granule according to the TCM syndrome, while the control group will receive TCM placebo granule according to the TCM syndrom. The primary outcomes are acute exacerbation rate in the AECOPD Risk Window, COPD Assessment Test (CAT) in the AECOPD Risk Window; and secondary outcomes are time to the first acute exacerbation, degree of acute exacerbation in the AECOPD Risk Window, acute exacerbation rate in the follow-up period, degree of acute exacerbation in the follow-up period, COPD Assessment Test (CAT) in the follow-up period, lung function, clinical symptom scores, mMRC, quality of life and index of security.


Recruitment information / eligibility

Status Recruiting
Enrollment 336
Est. completion date December 31, 2022
Est. primary completion date December 31, 2022
Accepts healthy volunteers No
Gender All
Age group 40 Years to 80 Years
Eligibility Inclusion Criteria: 1. A confirmed diagnosis of AECOPD Risk Window; 2. Age ranges from 40 years to 80 years; 3. Syndrome differentiation meets criteria of qi deficiency and internal cold fluid syndrome, qi and yin deficiency and unclean phlegm heat syndrome, or lung and spleen qi deficiency and phlegm-damp amassing in lung syndrome; 4. Without participations in other interventional trials in the previous one month; 5. With the informed consent signed. Exclusion Criteria: 1. Pregnant and lactating women; 2. Dementia, mental disorders and reluctant partners; 3. Complicated with heart failure (NYHA Class IV), or Serious cardiac arrhythmias, or unstable hemodynamics; 4. Current respiratory disorders other than COPD (e.g., bronchiectasis, active tuberculosis, pneumothorax, Pleural effusion, pulmonary thromboembolic, or Neuromuscular diseases affect respiratory movement function); 5. Complicated with serious hepatic and renal diseases (liver cirrhosis, portal hypertension, bleeding of varicose veins, dialysis, or renal transplantation); 6. Bedridden for various reasons; 7. Allergic to the used medicine.

Study Design


Related Conditions & MeSH terms


Intervention

Drug:
TCM granule plus conventional drug
All patients will receive conventional drug according to 2020 Global Initiative for Chronic Obstructive Lung Disease (GOLD) and Chinese Medicine Diagnosis Treatment Guidelines. Yiqiwenfei granule for qi deficiency and internal cold fluid syndrome. Fuzhengqinghua granule for qi and yin deficiency and unclean phlegm heat syndrome. Fuzhengzaohua granule for lung and spleen qi deficiency and phlegm-damp amassing in lung syndrome. TCM granule (Jiangyin Tian Jiang Pharmaceutical Co.,Ltd, 10g/packet) will be administered twice daily for 8 weeks.
TCM placebo granule plus conventional drug
All patients will receive conventional drug according to 2020 Global Initiative for Chronic Obstructive Lung Disease (GOLD) and Chinese Medicine Diagnosis Treatment Guidelines. Placebo Yiqiwenfei granule for qi deficiency and internal cold fluid syndrome. Placebo Fuzhengqinghua granule for qi and yin deficiency and unclean phlegm heat syndrome. Placebo Fuzhengzaohua granule for lung and spleen qi deficiency and phlegm-damp amassing in lung syndrome. TCM placebo granule (Jiangyin Tian Jiang Pharmaceutical Co.,Ltd, 10g/packet) will be administered twice daily for 8 weeks. The appearance, weight, color and odor of the preparation are the same as those of experimental group. The placebo granule consists of dextrin, bitter and 5% of the TCM granule.

Locations

Country Name City State
China The First Affiliated Hospital of Henan University of Traditional Chinese Medicine Zhengzhou Henan

Sponsors (1)

Lead Sponsor Collaborator
Henan University of Traditional Chinese Medicine

Country where clinical trial is conducted

China, 

Outcome

Type Measure Description Time frame Safety issue
Primary Acute exacerbation rate in the AECOPD Risk Window The numbers of acute exacerbation in the AECOPD Risk Window will be recorded. in 8 weeks of the treatment period.
Primary COPD Assessment Test (CAT) in the AECOPD Risk Window The COPD assessment test (CAT) is a self-administered questionnaire that measures health-related quality of life. It is an 8-item questionnaire on a 0-5 point scale with higher values indicating greater impact of COPD. The item response values of CAT are summed to produce a single score that ranges from 0-9 (low impact), 10-20 (medium impact), 21-30 (high impact) and 31-40 (very high impact). Change from baseline CAT scores at week 0, 8 of the treatment period.
Secondary Time to the first acute exacerbation Time from the first exacerbation to the last exacerbation will be recorded. up to week 26 during the study period.
Secondary Degree of acute exacerbation in the AECOPD Risk Window The numbers of acute exacerbation of different severity in the AECOPD Risk Window will be recorded.. in 8 weeks of the treatment period.
Secondary Acute exacerbation rate in the follow-up period The numbers of acute exacerbation in the follow-up period will be recorded. in 18 weeks of the follow-up period.
Secondary Degree of acute exacerbation in the follow-up period The numbers of acute exacerbation of different severity in the follow-up period will be recorded. in 18 weeks of the follow-up period.
Secondary COPD Assessment Test (CAT) in the follow-up period The COPD assessment test (CAT) is a self-administered questionnaire that measures health-related quality of life. It is an 8-item questionnaire on a 0-5 point scale with higher values indicating greater impact of COPD. The item response values of CAT are summed to produce a single score that ranges from 0-9 (low impact), 10-20 (medium impact), 21-30 (high impact) and 31-40 (very high impact). Change from baseline CAT scores at week 16, 26 of the follow-up period.
Secondary Pulmonary function The Forced expiratory volume in one second ( FEV1), Forced Vital Capacity (FVC), FEV1% (FEV1/FVC) will be used to assess pulmonary function. at week 0, 8 of the treatment period and at week 26 of the follow-up period.
Secondary Clinical symptom scores Clinical symptom scores of COPD will be used to assess symptoms. The clinical symptoms to be evaluated in this study include cough, expectoration, wheezing, chest tightness, shortness of breath, and fatigue. A score of 0-3 will be given to every symptom or sign with a higher score indicating a worse conditoin. Change from baseline clinical symptom scores at week 0, 8 of the treatment period and at week 16, 26 of the follow-up period.
Secondary mMRC The modified Medical Research Council (mMRC) scale is a 5-point (0-4) scale based on the severity of dyspnoea. "0" means no dyspnea perception, "4" means severe dyspnea perception. Change from baseline mMRC scores at week 0, 8 of the treatment period and at week 16, 26 of the follow-up period.
Secondary SGRQ The St. George's Respiratory Questionnaire (SGRQ) scores will be used to evaluate quality of life with a total score of 0-100. The higher scores will indicate the worse outcomes. Change from baseline SGRQ scores at week 0, 8 of the treatment period and at week 16, 26 of the follow-up period.
Secondary mCOPD-PRO The modified COPD Patient-Reported Outcome scale (mCOPD-PRO) will be used to assess quality of life. The mCOPD-PRO contains 27 items in three domains. mCOPD-PRO scores range from 0 to 4 with a decrease in score showing higher health status. Change from baseline mPRO-COPD scores at week 0, 8 of the treatment period and at week 16, 26 of the follow-up period
Secondary mESQ-COPD The modified Effectiveness Satisfaction Questionnaire for COPD (mESQ-COPD) will be used to assess treatment satisfaction. The mESQ-COPD contains 19 items in four domains. mESQ-COPD scores range from 0 to 4 with a decrease in score showing higher treatment satisfaction. Change from baseline mESQ-COPD scores at week 0, 8 of the treatment period and at week 16, 26 of the follow-up period.
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