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Evaluation of efficacy and safety of Qiangzhu-qinggan formula as an adjunctive therapy in adult patients with severe influenza: study protocol for a randomized parallel placebo-controlled double-blind multicenter trial.
Qiu, Lei; Wu, Xian-Wei; Zhang, Shao-Yan; Yang, Ming; Zhang, Shun-Xian; Fu, Ji-You; Li, Cui; Zhang, Zhi-Jie; Zheng, Pei-Yong; Lu, Zhen-Hui.
  • Qiu L; Institute of Respiratory Diseases, Longhua Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, No.725 South Wanping Road, No.7 building, Xuhui District, Shanghai, People's Republic of China.
  • Wu XW; Institute of Respiratory Diseases, Longhua Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, No.725 South Wanping Road, No.7 building, Xuhui District, Shanghai, People's Republic of China.
  • Zhang SY; Institute of Respiratory Diseases, Longhua Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, No.725 South Wanping Road, No.7 building, Xuhui District, Shanghai, People's Republic of China.
  • Yang M; Institute of Respiratory Diseases, Longhua Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, No.725 South Wanping Road, No.7 building, Xuhui District, Shanghai, People's Republic of China.
  • Zhang SX; Institute of Respiratory Diseases, Longhua Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, No.725 South Wanping Road, No.7 building, Xuhui District, Shanghai, People's Republic of China.
  • Fu JY; Institute of Respiratory Diseases, Longhua Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, No.725 South Wanping Road, No.7 building, Xuhui District, Shanghai, People's Republic of China.
  • Li C; Institute of Respiratory Diseases, Longhua Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, No.725 South Wanping Road, No.7 building, Xuhui District, Shanghai, People's Republic of China.
  • Zhang ZJ; Department of Epidemiology, School of Public Health, Fudan University, 130 Dongan Road, No.8 building, Xuhui District, Shanghai, People's Republic of China.
  • Zheng PY; Institute of Respiratory Diseases, Longhua Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, No.725 South Wanping Road, No.7 building, Xuhui District, Shanghai, People's Republic of China. zpychina@sina.com.
  • Lu ZH; Institute of Respiratory Diseases, Longhua Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, No.725 South Wanping Road, No.7 building, Xuhui District, Shanghai, People's Republic of China. Dr_luzh@shutcm.edu.cn.
Trials ; 22(1): 955, 2021 Dec 27.
Article in English | MEDLINE | ID: covidwho-2318366
ABSTRACT

BACKGROUND:

Influenza can fall into three categories according to severity mild influenza, severe influenza, and critical influenza. Severe influenza can result in critical illness and sometimes death particularly in patients with comorbidities, advanced age, or pregnancy. Neuraminidase inhibitors (NAIs) are the only antiviral drugs in widespread use for influenza. However, the effectiveness of NAIs against severe influenza is uncertain. New effective drugs or regimens are therefore urgently needed. Qiangzhu-qinggan (QZQG) formula has been found to be effective against influenza virus infection during long-term application in China, which lacks support of evidence-based clinical trial till now. This study is designed to assess the efficacy and safety of QZQG formula as an adjuvant therapy in adult patients with severe influenza.

METHODS:

This protocol is drawn up in accordance with the SPIRIT guidelines and CONSORT Extension for Chinese herbal medicine formulas. This is a randomized, placebo-controlled, double-blind, multicenter trial. Two hundred twenty-eight adults with severe influenza are randomly assigned in a 11 ratio to QZQG or placebo for 7 days. All participants need to receive 1 day of screening before randomization, 7 days of intervention, and 21 days of observation after randomization. The primary outcome is the proportion of clinical improvement, defined as the proportion of patients who met the criteria of 3 points or less in the seven-category ordinal scale or 2 points or less in National Early Warning Score 2 within 7 days after randomization.

DISCUSSION:

This is the first randomized, controlled, parallel, double-blind clinical trial to evaluate the efficacy and safety of traditional Chinese herbal formula granules as an adjuvant therapy in adult patients with severe influenza. This study aims to redefine the value of traditional Chinese herbal medicines in the treatment of virus-related respiratory infectious diseases and serves as an example of evidence-based clinical trials of other Chinese herbal medicines.
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Full text: Available Collection: International databases Database: MEDLINE Main subject: Drugs, Chinese Herbal / Influenza, Human Type of study: Diagnostic study / Experimental Studies / Observational study / Prognostic study / Randomized controlled trials Topics: Long Covid / Traditional medicine Limits: Adult / Humans Language: English Journal: Trials Journal subject: Medicine / Therapeutics Year: 2021 Document Type: Article

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Full text: Available Collection: International databases Database: MEDLINE Main subject: Drugs, Chinese Herbal / Influenza, Human Type of study: Diagnostic study / Experimental Studies / Observational study / Prognostic study / Randomized controlled trials Topics: Long Covid / Traditional medicine Limits: Adult / Humans Language: English Journal: Trials Journal subject: Medicine / Therapeutics Year: 2021 Document Type: Article