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In December 2019, coronavirus pneumonia (COVID-19) was detected in many cases in Wuhan, China. With the rapid spread of the coronavirus, cases of COVID-19 were also reported in other cities of China and other countries. COVID-19 can cause amplification of the pulmonary inflammatory responses, including the production of a large amount of free radicals and the release of inflammatory factors, in a short time after infection, leading to lung tissue damage and dysfunction, even resulting in life-threatening respiratory distress syndrome and respiratory failure. At present, there are no effective drugs targeting COVID-19. Previous studies have shown that Buzhong Yiqi Decoction has anti-bacterial, anti-viral, and anti-allergy effects. High-dose vitamin C also has anti-oxidative and anti-toxin effects, possibly exhibiting good effects in the treatment of viral infection and critical respiratory diseases. The study objectives include (1) investigate whether Buzhong Yiqi Decoction can improve the clinical symptoms of patients with mild and severe COVID-19 and accelerate recovery and to further investigate the clinical efficacy of high-dose vitamin C combined with traditional Chinese medicine in the treatment of mild and severe COVID-19; (2) to assess the safety of high-dose vitamin C combined with Chinese medicine in the treatment of mild and severe COVID-19.
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Chinese medicine treatments Chinese medicine treatments include oral administration of concentrated Chinese herbal decoction, fumigation/inhalation of Chinese medicine and vitamin C, and bolus administration of vitamin C.
Traditional Chinese and western medicine prescription details Traditional Chinese medicine treatment details Prescription 1: Buzhong Yiqi plus and minus formula (recommended for patients who had no fever and those who are in the convalescent period): This formula is composed of Radix Astragali 30 g, Radix Ginseng 15 g, Radix Glycyrrhizae 15 g, Rhizoma Atractylodis Macrocephalae 10 g, Pericarpium Citri Reticulatae 6 g, Radix Angelicae Sinensis 10 g, Fructus Jujubae 6, Rhizoma Zingiberis Recens 9 pieces, Radix Bupleuri 12 g, Rhizoma Cimicifugae 6 g.
Preparation method: The aforementioned herbs are decocted with water. After removal of macromolecules, 50 g concentrate is left, and then packaged, 25 g/dose.
Suggested usage: 1 dose once, twice a day, taking with warm water.
Prescription 2: Huhuang Detoxicity Paste (recommended for patients who have no fever): This formula is composed of Rhizoma Coptidis 20 g, Radix Et Rhizoma Rhei 10 g, Rhizoma Atractylodis 10 g, Radix Asteris 10 g, Herba Houttuyniae 10 g, Herba Taraxaci 10 g, Rhizoma Polygoni Cuspidati 10 g, Radix Astragali 20 g.
Preparation method: The aforementioned herbs are boiled with water. The extract was subjected to high-speed centrifugation. After removal of impurities, 50 g concentrate is left, and then packaged, 25 g/dose.
Suggested usage: One dose once, twice a day, taking with warm water.
Prescription 3: Baimu Qingre Jiedu Paste This formula is composed of Radix Puerariae 15 g, Radix Angelicae Dahuricae 12 g, Flos Magnoliae 9 g, Radix Isatidis 30 g, Fructus Forsythiae 15 g, Bulbus Fritillariae Thunbergii 12 g Preparation method: The aforementioned herbs are boiled with water. The extract was subjected to high-speed centrifugation. After removal of impurities, 50 g concentrate is left, and then packaged, 25 g/dose.
Suggested usage: One dose once, twice a day, taking with warm water.
Prescription 4: Fumigation/inhalation of Chinese herbs and vitamin C The formula consists of Rhizoma Coptidis 20 g, Radix Et Rhizoma Rhei 10 g, Rhizoma Atractylodis Macrocephalae 10 g, Radix Astragali 10 g, Radix Asteris 10 g, Herba Houttuyniae 10 g, Herba Taraxaci 10 g, Rhizoma Polygoni Cuspidati 10 g, Radix Astragali 20 g.
Preparation method: The aforementioned herbs are boiled with water. The extract was subjected to high-speed centrifugation. After removal of impurities, 50 g concentrate is left, and then packaged, 25 g/dose.
Fumigation/inhalation method: 3L of water is added to the intelligent rice cooker (specification 5L), and then the aforementioned semifluid paste is also placed in the cooker. After boiling, 10 g vitamin C is added. The oxygen tube is inserted into the bottom of the traditional Chinese medicine solution (oxygen flow is about 3-4 L/min). The steam is sucked with the mouth and nose alternately, 30-40 minutes once, 3-7 times a day. Patients take vitamin E capsule and folic acid every day.
Bolus administration of vitamin C 100 mL of 5% glucose containing vitamin C (10 g/60 kg body mass) is intravenously administered twice a day.
Western medicine treatment details Atomized inhalation of 5 million U α-interferon and 2 mL sterilized water, twice a day; 0.2 g arbidol, three times a day, treatment course no more than 10 days; intravenous administration of ribavirin 500 mg, once every 12 hours, treatment course no more than 10 days; intravenous administration of 10 g immunoglobulin C, once a day, 3-5 days. Anti-bacterial infection treatment is given to the patients who have yellow sputum and increased levels of procalcitonin and other bacterial infection specific indicators.
Notes for case and course record The medical record of integrated Chinese and western medicine treatment for each case should be carefully filled. A summary of the medical record is made every three days. The name and dosage of the traditional Chinese medicine and western medicine used, the route of administration, curative effect, and side effects are recorded. The record form of the curative effect should be filled every day.
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30 participants in 6 patient groups
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Data sourced from clinicaltrials.gov
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