Arbidol for COPD Exacerbations

  • STATUS
    Recruiting
  • End date
    Aug 31, 2022
  • participants needed
    990
  • sponsor
    Shengjing Hospital
Updated on 23 January 2021

Summary

Chronic Obstructive Pulmonary Disease (COPD) is currently the fourth leading cause of death in the world. Acute exacerbations of COPD (AECOPD) are the most important events in the course of the disease because they negatively impact health status, life quality, disease progression, patients survival and economic and social burden. Reducing frequency of AECOPD is the key goal of management for COPD. Since respiratory viral infections are the mainly trigger of AECOPD, anti-viral therapy would be the affective method to prevent the exacerbation or reduce the attack severity. However, there are no positive study results of treating or preventing AECOPD used by current anti-viral drugs approved by FDA so far.

Arbidol is a non-nucleoside antiviral drug. It inhibits viral DNA and RNA synthesis by inhibiting fusion of viral lipid vesicle membrane with host cell membranes. Arbidol has broad-spectrum antiviral activity. In addition to inhibition of influenza virus, it against a variety of viruses including respiratory syncytial disease (RSV), parainfluenza virus, human rhinovirus, coxsackie virus (CV), adenovirus (ADV) and so on. In recent years, some fundamental and clinical researches have shown that arbidol has a significant role in prevention and treatment of influenza virus and other acute respiratory viral infections. Therefore, the investigators speculate that Arbidol will effectively control COPD combined with upper respiratory virus infection, thereby reducing acute exacerbations of COPD.

This is a prospective, multicenter, randomized, double-blind, placebo-controlled, 52-week study. The purpose of this study is to evaluate the efficacy and safety of arbidol in improving the frequency and extent of moderate or severe acute exacerbations in patients with COPD. Eligible subjects will be randomly assigned to treatment group or placebo group at a 2:1 ratio. Subjects of treatment group receive an on-demand arbidol 200 mg three times per day while placebo group receives matched placebo. When the subject has a new respiratory infection, original respiratory symptoms worsen, or fever (the lower body temperature is greater than 37.3), oral medication is given immediately. The subjects are required to receive the first dose of drug within 8 hours after the symptoms of upper respiratory tract infection.

Details
Condition COPD Patients
Treatment placebos, Arbidol
Clinical Study IdentifierNCT03851991
SponsorShengjing Hospital
Last Modified on23 January 2021

Eligibility

Yes No Not Sure

Inclusion Criteria

Patients from Outpatient clinic
Informed consent and assent must be obtained before any study assessment is performed
Aged 40 years
Continuous respiratory symptoms, such as chronic cough, sputum or shortness of breath etc
Exposure to risk factors: Host factors, Tobacco, Occupation, Indoor/outdoor pollution
FEV1/FVC less than 0.70 after withholding bronchodilator
2 or more acute exacerbations of COPD within the 12 months prior to visit 0. Or more than 1 hospitalizations due to AECOPD within the 12 months prior to visit 0
Good compliance

Exclusion Criteria

Patients with any chronic diseases except COPD which in the opinion of the investigator may interfere with study evaluation or optimal participation in the study
Patients with a history of chronic lung disease other than COPD, including (but not limited to) active tuberculosis, lung cancer, clinically significant bronchiectasis, primary pulmonary hypertension, sarcoidosis, interstitial lung disease, asthma (other than asthma COPD overlap), severe cor pulmonale
Patients with acute coronary syndrome(ACS) or acute left heart failure within the 6 months prior to visit 0. Patients accepted Coronary interventional therapy or coronary artery bypass grafting due to ACS within the 3 months prior to visit 0
Patients with uncontrolled hypertension
Patients who started oral >10mg prednisolone or Equivalent systemic corticosteroids within 4 weeks prior to Visit 1. Or patients who received antibiotics within 4 weeks prior to Visit 1. Or patients who received standard treatment for COPD within 4 weeks prior to Visit 1. Or use of other investigational drugs within 5 half-lives of enrollment, or within 30 days, whichever is longer
Patients who received influenza vaccine or other viral vaccine within the 12 months prior to visit 0
The end of AECOPD therapy was within the 4 weeks prior to visit 0. Or Occurrence of AECOPD within the 6 weeks prior to visit 0
History of arbidol sensitivity
No person directly associated with the administration of the study is allowed to participate as a study subject
Use of other investigational intervention within within 30 days
Patients with obviously abnormal liver function, AST or ALT>2 times the upper limit of normal value or total bilirubin>1.3 times the upper limit of normal value
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If you are confirmed eligible after full screening, you will be required to understand and sign the informed consent if you decide to enroll in the study. Once enrolled you may be asked to make scheduled visits over a period of time.

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